WO2017166389A1 - 一种资源分配指示的方法、设备及系统 - Google Patents
一种资源分配指示的方法、设备及系统 Download PDFInfo
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- WO2017166389A1 WO2017166389A1 PCT/CN2016/082095 CN2016082095W WO2017166389A1 WO 2017166389 A1 WO2017166389 A1 WO 2017166389A1 CN 2016082095 W CN2016082095 W CN 2016082095W WO 2017166389 A1 WO2017166389 A1 WO 2017166389A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present invention relates to the field of wireless communication technologies, and in particular, to a method, device, and system for resource allocation indication.
- the base station scheduling terminal device transmits uplink data on the unlicensed spectrum resource, and the base station sends scheduling information, such as resource allocation information and adjustment coding, to the terminal device through the control channel.
- the method is such that the terminal device performs the downlink data reception or the uplink data transmission by detecting the scheduling information carried in the control channel, so that the terminal device uses the resource block (English name: Resource Block, English abbreviation: RB) when transmitting the data.
- the resource scheduling unit performs scheduling and allocation.
- the base station When the base station allocates channel resources to the terminal device, it generally allocates one or consecutive multiple RBs in the frequency domain to one UE, or allocates two RB sets that are not consecutive in the frequency domain to one UE, and each RB set includes a frequency. One or more consecutive RBs on the domain.
- the terminal equipment since the terminal equipment transmits data on the unlicensed spectrum resources, it must meet the restrictions imposed by the license-free spectrum: the transmission power of the terminal equipment should not exceed 10 dB per megahertz (English full name; Mega Hertz English abbreviation: MHz). ⁇ (English full name: deciBel Milliwatt, English abbreviation: dBm) or 7dBm, so the existing resource allocation method, the total transmission power of the terminal equipment is limited by the number of consecutive RBs allocated in the frequency domain for the terminal equipment, resulting in exemption The coverage of the licensed spectrum is reduced.
- the base station allocates two or more discontinuous resource block sets in the uplink carrier bandwidth to the terminal device, so that the terminal device can use each resource block.
- the maximum transmit power under the above restrictions can be achieved to some extent, and the coverage of the unlicensed spectrum can be improved.
- the base station does not support the specific resource information of the discontinuous resource block set to be indicated to the terminal device, and the base station can only use one of the first resource set in the bandwidth.
- the information of a resource block is indicated to the terminal device, and the resource blocks belonging to the same interlace by the resource block are allocated to the terminal device by default, and secondly, it is not applicable to the frequency division multiplexing license-free among the multiple terminal devices. Uplink resources of the spectrum.
- the embodiment of the invention provides a method, a device and a system for indicating a resource allocation indication, which can solve the problem that the specific information of the resource allocation of the license-free spectrum cannot be indicated to the terminal device in the prior art.
- a first aspect of the embodiments of the present invention provides a method for resource allocation indication, where the method includes:
- the terminal device sends a resource request to the access network device, where the terminal device acquires the first indication information sent by the access network device;
- the target resource includes a resource block allocated to the terminal device among the M basic resource units, and the resource block location allocated in each of the M basic resource units and the resource in the first resource block set Corresponding to the first frequency domain location of the block, the first frequency domain location of the resource block in the first resource block set is a frequency domain location after the second frequency domain position of the resource block in the second resource block set is shifted, where M Is a positive integer.
- the shift is a cyclic shift
- the first indication information meets one of the following:
- the first indication information is used to indicate a second frequency domain position of the resource block in the second resource block set and a shift value T of the cyclic shift, where T is an integer;
- the first indication information is used to indicate a first frequency domain location of the resource block in the first resource block set.
- the terminal device is capable of accurately determining the resource location of the target resource and reducing the calculation time.
- the first set of resource blocks satisfy:
- the frequency domain location of the kth resource block in the first resource block set corresponds to the frequency domain location of the M resource blocks
- the frequency domain location f k of the kth resource block in the first resource block set corresponds to the first m resource blocks are resource blocks in the mth basic resource unit of the M basic resource units with a frequency domain position of (f k + ⁇ m ), where ⁇ m is a resource corresponding to the mth basic resource unit Mapping reference values, k, m are positive integers, ⁇ m is an integer, 1 ⁇ k ⁇ K, 1 ⁇ m ⁇ K, K is the number of resource blocks included in the one basic resource unit.
- the resource block in the mth basic resource unit corresponding to the frequency domain location f k of the kth resource block in the first resource block set is The frequency domain location (f k + ⁇ m ) is a resource block corresponding to a frequency domain position cyclically shifted in the mth basic resource unit.
- the first set of resource blocks satisfy:
- the frequency domain location of the xth resource block in the first resource block set corresponds to the frequency domain location of the M resource blocks, where the M resource blocks are respectively in each of the M basic resource units. And a resource block having the same frequency domain position as the xth resource block, where x is an integer, and 1 ⁇ x ⁇ K.
- the transmission power of the terminal device is improved under the constraint that the power spectral density is satisfied.
- the terminal device side and the access network device side are pre-configured with a reference resource set group for determining, by the terminal device, a target resource for transmitting uplink data, where the reference resource block set group includes at least one reference resource.
- the second resource block set is a first type of resource block set in a reference resource block set group, the first type of resource block set includes L resource block groups, the resource block group is a resource block, or includes At least two resource blocks adjacent to each other in the frequency domain, and each resource block group in the L resource block groups are not adjacent to each other in the frequency domain;
- the frequency domain location of the first resource block in the Vth resource block group of the L resource block groups corresponds to a basic resource unit Resource blocks, where 1 ⁇ V1 ⁇ P1;
- the frequency domain location of the first resource block in the Vth resource block group of the L resource block sets corresponds to the first one of the one basic resource unit Resource blocks, where P1+1 ⁇ V2 ⁇ L;
- the L resource block groups further satisfy: in frequency domain reordering, the resource blocks included in each of the first P1 resource block groups in the L resource block groups
- the number of the resource blocks included in the P2 resource block groups of the L resource block groups is M2, where M 1 >M 2 , M1 and M2 are positive integers.
- the number of resource blocks included in each of the L resource block groups is as uniform as possible, so that the peak-to-average ratio of the uplink information sent by the terminal device is as low as possible, and the efficiency of transmitting power of the terminal device is improved.
- the cyclically shifted shift value T is any one of the sets [0, 1, ..., l 1 ] One, or any of the sets [l 2 , l 2 +1, ... l 3 ], where
- the shift value T is a cyclic shift in a frequency domain increasing direction with respect to a resource block group.
- the beneficial effect shift value T is a value in the set range, and the resource block group formed after the resource blocks in the L resource block groups are cyclically shifted is still L.
- the reference resource block set group configured by the second terminal device side further includes a second type of resource block set, where the second type of resource block set includes L resource block groups, and the resource block group is a resource. a block, or at least two resource blocks adjacent to each other in the frequency domain, where each resource block group in the L resource block groups are not adjacent to each other in a frequency domain;
- the second type of resource block set includes L resource block groups, and a frequency domain location of a first resource block of the Vth resource block group in the L resource block groups corresponds to the one basic resource unit First Resource blocks, where 1 ⁇ V3 ⁇ L;
- K is the number of resource blocks included in the one basic resource unit. Realize frequency division multiplexing between multiple terminal devices.
- one of the two cases of a&b is satisfied for the second type of resource block set:
- the number of resource blocks included in each of the first P3 resource block groups in the L resource block groups of the second type of resource block group is M 3
- the number of resource blocks included in each of the L resource block groups is as uniform as possible, so that the peak-to-average ratio of the uplink information sent by the terminal device is as low as possible, and the efficiency of transmitting power of the terminal device is improved.
- the cyclically shifted shift value T2 corresponding to the second type of resource block set satisfies:
- the shift value T2 is any one of the sets [0, 1, ..., l 1 ], or is any one of the sets [l 2 , l 2 +1, ..., l 3 ], wherein
- the cyclic shift is a cyclic shift in the frequency domain increasing direction.
- the uniformity of the resource block allocation can be ensured, and the resource blocks in the L resource block groups are also not dispersed.
- the number of resource blocks included in each resource block group in the L resource block groups is M 5 , and the cyclic shift shift value T corresponding to the second type resource block set satisfies:
- the shift value T2 is any one of the sets [0, 1, ..., l 1 ], wherein , M 5 is a positive integer;
- the cyclic shift is a cyclic shift in the frequency domain increasing direction.
- the shift value T is a value in the set range, which can ensure that resource blocks in the L resource block groups are cyclically shifted to form different resource block sets.
- the number O 1 of resource blocks in the second resource block set is satisfied.
- the shift value of the cyclic shift corresponding to the second resource block set is only one type;
- the shift value corresponding to the cyclic shift of the second resource block set is only one type, where O 1 is a positive integer, and K is The number of resource blocks included in a basic resource unit.
- the relationship between the first resource block set and the M basic resource units is as follows:
- T is the cyclic shift
- K is the number of resource blocks included in one basic resource unit, and t1, t2, U 2 , and T are positive integers greater than 0.
- the terminal device only needs to know the frequency domain location of the resource block allocated in the basic resource unit, that is, the first resource block set, and the terminal device can calculate the frequency of the allocated resource block in other basic resource units according to a preset rule.
- the location of the domain effectively reduces the calculation steps of the terminal device and improves the accuracy of determining the location of the resource, and reduces the power consumption of the terminal device to some extent.
- a method for resource allocation indication according to the second aspect comprising:
- the access network device sends the first indication information to the terminal device
- the target resource includes a resource block allocated to the terminal device among the M basic resource units, and the resource block location allocated in each of the M basic resource units and the resource in the first resource block set Corresponding to the first frequency domain location of the block, the first frequency domain location of the resource block in the first resource block set is a frequency domain location after the second frequency domain position of the resource block in the second resource block set is shifted, where M As a positive integer, the M basic resource units are arranged in an increasing order on the frequency domain.
- the terminal device can determine the location of the M resource blocks according to the location of one resource block in the first resource block set, without requiring the access network device to indicate to the terminal device that each of the basic resource units in the M basic resource units is
- the location of the allocated resource block improves the efficiency of the indication information of the access network device.
- the shift is a cyclic shift
- the first indication information satisfies one of the following:
- the first indication information is used to indicate, to the terminal device, a second frequency domain position of the resource block in the second resource block set and the cyclically shifted shift value T1;
- the first indication information is used to indicate a first frequency domain location of the resource block in the first resource block set.
- the first set of resource blocks satisfy:
- the frequency domain location of the kth resource block in the first resource block set corresponds to the frequency domain location of the M resource blocks
- the frequency domain location f k of the kth resource block in the first resource block set corresponds to the first m resource blocks are resource blocks in the mth basic resource unit of the M basic resource units with a frequency domain position of (f k + ⁇ m ), where ⁇ m is a resource corresponding to the mth basic resource unit Mapping reference values, k, m are positive integers, ⁇ m is an integer, 1 ⁇ k ⁇ K, 1 ⁇ m ⁇ K, K is the number of resource blocks included in the one basic resource unit.
- the resource block in the mth basic resource unit corresponding to the frequency domain location f k of the kth resource block in the first resource block set is The frequency domain location (f k + ⁇ m ) is a resource block corresponding to the frequency domain position cyclically shifted in the mth basic resource unit.
- the first set of resource blocks satisfy:
- the frequency domain location of the xth resource block in the first resource block set corresponds to the frequency domain location of the M resource blocks, where the M resource blocks are respectively in each of the M basic resource units.
- the target resource satisfies:
- the target resource includes a resource block corresponding to a frequency domain location of each resource block in the first resource block set, and a resource block corresponding to a frequency domain location f k of the kth resource block in the first resource block set is a resource block in the base resource unit of each of the M basic resource units having a frequency domain location of f k .
- the second resource block set is a first type of resource block set in a reference resource block set group, and the reference resource block set set includes at least one reference resource block set, the first type
- the resource block set includes L resource block groups, the resource block group is one resource block, or is at least two resource blocks adjacent to each other in the frequency domain, and each resource block block group in the L resource block groups They are not adjacent to each other in the frequency domain;
- the frequency domain location of the first resource block in the Vth resource block group of the L resource block groups corresponds to a basic resource unit Resource blocks, where 1 ⁇ V1 ⁇ P1;
- the frequency domain location of the first resource block in the Vth resource block group of the L resource block sets corresponds to the first one of the one basic resource unit Resource blocks, where P1+1 ⁇ V2 ⁇ L;
- the location of the location source block of the first type of resource block set may be such that when the number of resource blocks included in each resource block group in the L resource block groups are unequal, the effect of effectively multiplexing the frequency resources with other terminal devices is achieved. .
- the L resource block groups satisfy: in frequency domain reordering, the resource blocks included in each of the first P1 resource block groups in the L resource block groups are the number of M 1, the number of resource blocks after the L resource block group P2 includes a resource block groups are each M 2, wherein, M 1> M 2, M1 and M2 are positive integers.
- the number of resource blocks included in each of the L resource block groups is as uniform as possible, so that the peak-to-average ratio of the uplink information sent by the terminal device is as low as possible, and the efficiency of the transmission power of the terminal device is improved.
- the maximum transmission power that the terminal device is allowed to transmit cannot be limited by the resource block group in which the number of resource blocks included is large.
- the cyclically shifted shift value T1 satisfies:
- the shift value T1 is any one of the sets [0, 1, ..., l 1 ], or is any one of the sets [l 2 , l 2 +1, ..., l 3 ], wherein
- the shift is a cyclic shift in the direction of the frequency domain ascending order. It is possible to improve the accuracy of determining the target resource by the terminal device and reducing the time for calculating the resource location.
- the access network device may allocate resource blocks in one basic resource unit to multiple terminal devices to implement frequency division multiplexing between multiple terminal devices. And improve the utilization of resources.
- the access network device may configure multiple types of resource block sets in the reference resource block set group, and may also combine some types of resource block sets in the present invention with some types of resource block sets in the existing mechanism. Combined with certain types of resource block sets in the existing mechanism, the resource blocks between the respective terminal devices are not overlapped, and the resource blocks in the entire basic resource unit are allocated to the maximum extent to achieve the purpose of frequency division multiplexing.
- the access network device allocates a target resource from the M basic resource units to another terminal device, and sends the second indication information to the terminal device, and the resources allocated to the two terminal devices do not overlap in the frequency domain. , thereby achieving frequency division multiplexing and improving cell coverage and resource utilization.
- some type of resource block set in the present invention may be used, for example, the resource block set of the first type described above, or some type of the existing mechanism may be used in combination.
- a collection of resource blocks for example.
- the second type of resource block set satisfies:
- the second type of resource block set includes L resource block groups, the resource block group is one resource block, or includes at least two resource blocks adjacent to each other in the frequency domain, and each of the L resource block groups Resource block Block groups are not adjacent to each other in the frequency domain;
- the frequency domain location of the first resource block in the V3 resource block group of the L resource block groups corresponds to the first i-th basic resource unit Resource blocks, where 1 ⁇ V3 ⁇ L;
- K is the number of resource blocks included in the i-th basic resource unit.
- the number of resource blocks included in each of the first P3 resource block groups in the L resource block groups is M 3
- the number of resource blocks included in the P4 resource block groups in the L resource block groups are respectively Is M 4
- the number of resource blocks included in each of the L resource block groups is as uniform as possible, so that the peak-to-average ratio of the uplink information sent by the terminal device is as low as possible, and the efficiency of transmitting power of the terminal device is improved.
- the cyclically shifted shift value T2 may satisfy:
- the shift value T2 is any one of the sets [0, 1, ..., l 1 ], or is any one of the sets [l 2 , l 2 +1, ..., l 3 ], wherein
- the cyclic shift is a cyclic shift in the frequency domain increasing direction.
- the shift value T is a value in the set range, and the resource block group formed after the resource blocks in the L resource block groups are cyclically shifted is still L.
- the number of resource blocks included in each of the L resource block groups is M 5 ;
- the cyclic shift shift value T is any one of the sets [0, 1, ..., l 1 ], where , M 5 is a positive integer.
- the cyclic shift is a cyclic shift in the frequency domain increasing direction.
- the shift value T is a value in the set range, and the resource block group formed after the resource blocks in the L resource block groups are cyclically shifted is still L.
- the number O 1 of resource blocks in the second resource block set is satisfied.
- the shift value of the cyclic shift corresponding to the second resource block set is only one type;
- the shift value corresponding to the cyclic shift corresponding to the second resource block set is only one type; wherein O 1 is a positive integer, K is the The number of resource blocks included in a basic resource unit.
- the relationship between the first resource block set and the M basic resource units is as follows:
- the first set of resource blocks in the t-th position of the frequency domain resource blocks U 1 corresponding to the first resource block is a basic resource unit
- T is the cyclic shift
- K is the number of resource blocks included in one basic resource unit, and t1, t2, U 2 , and T are positive integers greater than 0.
- the implementation only needs to indicate the allocated resource block in the basic resource unit, that is, the first resource block set, and the terminal device can calculate the frequency domain location of the allocated resource block in the other basic resource unit according to the preset rule, thereby effectively reducing the terminal.
- the calculation steps of the device and the improvement of the accuracy of determining the location of the resource to some extent reduce the power consumption of the terminal device.
- a third aspect of the embodiments of the present invention provides a terminal device, which has a function of implementing a method corresponding to the resource allocation indication provided by the foregoing first aspect.
- the functions may be implemented by hardware or by corresponding software implemented by hardware.
- the hardware or software includes one or more modules corresponding to the functions described above, which may be software and/or hardware.
- the terminal device includes:
- a receiving module configured to acquire first indication information
- a processing module configured to determine a target resource according to the first indication information, and send uplink data on the target resource
- the target resource includes a resource block allocated to the terminal device among the M basic resource units, and the resource block location allocated in each of the M basic resource units and the resource in the first resource block set Corresponding to the first frequency domain location of the block, the first frequency domain location of the resource block in the first resource block set is a frequency domain location after the second frequency domain location of the resource block in the second resource block set is shifted, Where M is a positive integer.
- the terminal device includes:
- processors memories, receivers, and transmitters
- the memory is used to store program code
- the processor is configured to invoke program code in the memory to perform the following operations:
- the target resource includes a resource block allocated to the terminal device among the M basic resource units, and the resource block location allocated in each of the M basic resource units and the resource in the first resource block set Corresponding to the first frequency domain location of the block, the first frequency domain location of the resource block in the first resource block set is a frequency domain location after the second frequency domain position of the resource block in the second resource block set is shifted, where M Is a positive integer.
- a fourth aspect of the embodiments of the present invention provides an access network device, which has a function of implementing a method corresponding to the resource allocation indication provided by the foregoing second aspect.
- the functions may be implemented by hardware or by corresponding software implemented by hardware.
- the hardware or software includes one or more modules corresponding to the functions described above, which may be software and/or hardware.
- the access network device includes:
- a sending module configured to send first indication information to the terminal device
- a receiving module configured to receive uplink data sent by the terminal device on the target resource corresponding to the first indication information
- the target resource includes a resource block allocated to the terminal device among the M basic resource units, and the resource block location allocated in each of the M basic resource units and the resource in the first resource block set Corresponding to the first frequency domain location of the block, the first frequency domain location of the resource block in the first resource block set is a frequency domain location after the second frequency domain position of the resource block in the second resource block set is shifted, where M Is a positive integer.
- the access network device includes:
- processors memories, receivers, and transmitters
- the memory is used to store program code
- the processor is configured to call the memory Program code to do the following:
- the target resource includes a resource block allocated to the terminal device among the M basic resource units, and the resource block location allocated in each of the M basic resource units and the resource in the first resource block set Corresponding to the first frequency domain location of the block, the first frequency domain location of the resource block in the first resource block set is a frequency domain location after the second frequency domain position of the resource block in the second resource block set is shifted, where M Is a positive integer.
- a fifth aspect of the embodiments of the present invention provides a communication system having a function of a method for implementing the resource allocation indication.
- the functions may be implemented by hardware or by corresponding software implemented by hardware.
- the hardware or software includes one or more modules corresponding to the functions described above, which may be software and/or hardware.
- the communication system comprises:
- An access network device as in the fourth aspect.
- the terminal device determines the target resource according to the first indication information, where the target resource includes the allocated resource block in the M basic resource units, because each of the M basic resource units The location of the allocated resource block in the basic resource unit corresponds to the first frequency domain location of the resource block in the first resource block set, so that specific information of the resource allocated for the terminal device can be indicated to the terminal device, and the power spectrum is satisfied. Increase the coverage of the unlicensed spectrum under density constraints.
- FIG. 1 is a flowchart of a method for resource allocation indication according to an embodiment of the present invention
- FIG. 2 is a schematic diagram of a correspondence relationship between a target resource and a first resource block set according to an embodiment of the present invention
- FIG. 3 is a schematic diagram of a frequency domain position cyclic shift relationship of a resource block included in a first resource block set and a second resource block set according to an embodiment of the present invention
- FIG. 4 is a resource block distribution diagram of a resource block set of a first type according to an embodiment of the present invention
- FIG. 5 is a resource block distribution diagram of a resource block set of a second type according to an embodiment of the present invention.
- FIG. 6 is another resource block distribution diagram of a resource block set of a second type according to an embodiment of the present invention.
- FIG. 7 is a resource block distribution diagram of resource blocks allocated by one basic resource unit to two terminal devices according to an embodiment of the present invention.
- FIG. 8 is a schematic structural diagram of a terminal device 70 according to an embodiment of the present invention.
- FIG. 9 is a schematic structural diagram of an access network device 80 according to an embodiment of the present invention.
- FIG. 10 is a schematic structural diagram of a communication system according to an embodiment of the present invention.
- FIG. 11 is a schematic structural diagram of a physical apparatus for performing a resource allocation indication according to an embodiment of the present invention.
- the terms “comprises” and “comprises” and “the” and “the” are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or device that comprises a series of steps or modules is not necessarily limited to Those steps or modules, but may include other steps or modules not explicitly listed or inherent to such processes, methods, products or devices, the division of the modules presented herein is merely a logical division. There may be additional divisions in the implementation of the actual application, for example, multiple modules may be combined or integrated into another system, or some features may be ignored, or not executed, and the displayed or discussed mutual coupling.
- the direct coupling or the communication connection may be through some interfaces, and the indirect coupling or communication connection between the modules may be electrical or the like, which is not limited herein.
- the module or the sub-module described as the separate component may or may not be physically separated, may not be a physical module, or may not be divided into a plurality of circuit modules, and may select a part thereof according to actual needs or All modules are used to achieve the objectives of the embodiments of the present invention.
- the embodiment of the invention provides a method, device and system for resource allocation indication, which are used in the technical field of wireless communication. The details are described below.
- the access network device in this document is a device that accesses the terminal device to the wireless network, and is also referred to as a base station, including but not limited to: an evolved Node B (English full name: evolved Node Base, English abbreviation: eNB), Radio network controller (English name: Radio Network Controller, English abbreviation: RNC), node B (English name: Node B, English abbreviation: NB), base station controller (English full name: Base Station Controller, English abbreviation: BSC), Base transceiver station (English name: Base Transceiver Station, English abbreviation: BTS), home base station (for example, Home evolved NodeB, or Home Node B, English abbreviation: HNB), baseband unit (English full name: BaseBand Unit, English abbreviation: BBU ).
- an evolved Node B English full name: evolved Node Base, English abbreviation: eNB
- Radio network controller English name: Radio Network Controller, English abbreviation: RNC
- node B
- the LTE system is taken as an example in the foregoing background, the person skilled in the art should understand that the present invention is not only applicable to the LTE system, but also applicable to other wireless communication systems, such as the global mobile communication system (English full name: Global System for Mobile Communication, English abbreviation: GSM), mobile communication system (English full name: Universal Mobile Telecommunications Systemc, English abbreviation: UMTS), code division multiple access (English full name: Code Division Multiple Access, English abbreviation: CDMA) System, as well as new network systems, etc.
- GSM Global System for Mobile Communication
- UMTS Universal Mobile Telecommunications Systemc
- CDMA Code Division Multiple Access
- the terminal device may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing device connected to a wireless modem.
- the wireless terminal can communicate with one or more core networks via a radio access network (English name: Radio Access Network, English abbreviation: RAN), and the wireless terminal can be a mobile terminal, such as a mobile phone (or "cellular" phone).
- a computer having a mobile terminal for example, can be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges language and/or data with the wireless access network.
- a wireless terminal may also be called a system, a Subscriber Unit, a Subscriber Station, a Mobile Station, a Mobile, a remote station. (Remote Station), Access Point, Remote Terminal, Access Terminal, User Terminal, Terminal Device, User Agent, User Device ), or User Equipment.
- the embodiments of the invention mainly provide the following technical solutions:
- the access network device and the terminal device are pre-configured with transmission rules on both sides, and the transmission rule includes selecting resources according to the reference resource block aggregation group.
- the resource block included in the resource block set in the reference resource block set group is a virtual resource and can be mapped into the base resource unit.
- the length of the resource block set of any type in the reference resource set group, and the frequency domain location of the included resource block correspond to the base resource unit in the frequency domain.
- the reference resource block set group includes a first type of resource block set, or includes a first type of resource block set and a second type of resource block set.
- the first type of resource block set and the second type of resource block set both contain L resource block groups, and each type of resource block set has a common feature. There may be one or more resource block sets of any type in the reference resource collection group. For the same type of resource block set, the number of resource blocks included in each of the L resource block groups may be different.
- the access network device may select a matching resource block set according to the actual resource requirement of the terminal device or the frequency domain location of the idle resource block.
- the resource block group includes one resource block or includes at least two resource blocks adjacent to each other in the frequency domain, and each of the L resource block groups is not adjacent to each other in the frequency domain.
- the length of a basic resource unit is defined as 10 resource blocks
- the reference resource set group has three resource block sets of type A.
- the three resource block sets of the A type include two resource block groups.
- the first resource block group of the first type A resource block includes two resource blocks, and the second resource block group includes one. a resource block; the first resource block group of the second A type resource block set includes 3 resource blocks, the second resource block group includes 2 resource blocks; and the first of the third A type resource block sets
- the resource block includes 4 resource blocks, and the second resource block group includes 3 resource blocks.
- the reference resource block set group includes a first type of resource block set and a second type of resource block set, and different types of resource block sets are allocated for two or more terminal devices, and the M basic resources can be implemented. Different resource blocks in the unit are effectively allocated to two or more terminal devices, improving spectrum utilization and cell coverage.
- the access network device allocates a target resource to the terminal device according to the resource request of the terminal device.
- the access network device determines a second reference resource block set in the reference resource block set group that matches the target resource, and determines a frequency domain location of the target resource and a second resource set to determine a frequency of each resource block in the reference resource set. A cyclic shift of the domain position.
- the access network device sends the first indication information indicating the target resource to the terminal device.
- the first indication information indicates a reference resource set that matches the target resource, and a cyclic shift value of the resource block in the second resource block set that matches the target resource.
- the following provides a method for providing a resource allocation indication.
- the terminal device sends a resource request to an access network device before the first indication information is sent, and the access network device allocates a target resource for the terminal device. And then the access network device determines the content of the first indication information indicating the target resource according to the determination.
- the method includes:
- the access network device sends the first indication information to the terminal device.
- the first indication information is used to indicate information about a second frequency domain location of the resource block in the second resource block set. For example, the frequency domain position after shifting the second frequency domain position, that is, the first frequency domain position of the resource block in the first resource block set finally obtained by the terminal device, may be indicated to the terminal device.
- the first indication information meets one of the following:
- the first indication information is used to indicate a second frequency domain position of the resource block in the second resource block set and a shift value T of the cyclic shift, where T is an integer.
- the first indication information is used to indicate a first frequency domain location of the resource block in the first resource block set.
- the first indication information directly indicates the first frequency domain location, and does not need to indicate the second frequency domain location of the resource block in the second resource block set, and the first resource obtained by indicating that the second frequency domain location is cyclically shifted.
- the shift value of the first frequency domain position in the block set is used to indicate a first frequency domain location of the resource block in the first resource block set.
- the first indication information may be sent to the terminal device by using the uplink scheduling authorization information.
- the uplink scheduling grant information is sent to the physical downlink control channel (English name: Physical Downlink Control Channel, English abbreviation: PDCCH) or the enhanced physical downlink control channel (English full name: Enhanced Physical Downlink Control Channel, English abbreviation: EPDCCH).
- PDCCH Physical Downlink Control Channel
- EPDCCH Enhanced Physical Downlink Control Channel
- the first indication information may indicate that any one of the resource block set groups is the second resource block set, and indicates that the second frequency domain position is determined according to the resource block in the second resource block set.
- the terminal device determines the target resource among the M basic resource units according to the first frequency domain location of the resource block in the first resource block set.
- the first indication information may indicate a first frequency domain location of the resource block in the first resource block set.
- the terminal device determines the target resource among the M basic resource units according to the first frequency domain location of the resource block in the first resource block set.
- the terminal device acquires first indication information.
- the terminal device acquires the first indication information by acquiring an uplink scheduling authorization sent by the access network device.
- the terminal device determines the target resource according to the first indication information, and sends the uplink data on the target resource.
- the target resource includes a resource block allocated to the terminal device in the M basic resource units, where the allocated resource block location in each of the basic resource units and the first resource block in the first resource block set
- the frequency domain location corresponds to: the first frequency domain location of the resource block in the first resource block set is a frequency domain location after the second frequency domain location of the resource block in the second resource block set is shifted.
- the shift may be a cyclic shift, which is not limited.
- the access network device receives the uplink data sent by the terminal device on the target resource corresponding to the first indication information
- the access network device After the first indication information is sent to the terminal device, the access network device receives the uplink data sent by the terminal device on the target resource corresponding to the first indication information.
- Unlicensed spectrum resource on carrier The resource blocks are divided into N basic resource units, such as the total number of resource blocks of the carrier on the unlicensed spectrum resource. It is divided into 10 basic resource units, and each basic resource unit includes 10 resource blocks. The number of resource blocks included in each basic resource unit may also be different. For example, the total number of resource blocks of the carrier on the unlicensed spectrum resource It is divided into 8 basic resource units, wherein the number of resource blocks included in each of the 7 basic resource units is 10, and the number of resource blocks included in the other basic resource unit is 5.
- the access network device and the terminal device divide the resource blocks of the carrier on the unlicensed spectrum resource into how many basic resource units, and which resource blocks in each of the basic resource units are preset to be the same.
- the target resource allocated by the access network device to the terminal device for transmitting data may be distributed in each of the M basic resource units, and M may be equal to N or less than N. That is, the resources allocated by the access network device to the terminal device for transmitting data may be distributed in part or all of all the basic resource units, which is not limited by the present invention.
- the target resource includes a resource block allocated to the terminal device among the M basic resource units, where the allocated resource block position in each of the M basic resource units and the resource block in the first resource block set Corresponding to the first frequency domain location, the first frequency domain location of the resource block in the first resource block set is a frequency domain location after the cyclically shifted second frequency domain location of the resource block in the second resource block set.
- the M resource blocks are respectively the middle resource unit of each of the M basic resource units, because the frequency domain location of any one of the first resource block sets corresponds to the frequency domain location of the M resource blocks.
- One resource block in the first resource block set corresponds to M resource blocks, which are respectively resource blocks in the M basic resource units, and the relative positions of the M resource blocks in the respective basic resource units The location is the same, and is the same as the location of the resource block in the first resource block set. For details, refer to FIG. 2 .
- the target resource includes a resource block corresponding to a frequency domain location of each resource block in the first resource block set, and the target resource satisfies: the resource block corresponding to the frequency domain location fk of the kth resource block in the first resource block set is a resource block in the base resource unit of each of the M basic resource units having a frequency domain location of fk.
- the transmission power of the terminal device is improved under the constraint that the power spectral density is satisfied.
- Figure 2 shows a schematic diagram of one possible implementation of the correspondence between a target resource and a first set of resource blocks.
- the first frequency domain location of the resource block corresponds to. It is assumed here that the first frequency domain location of the resource block in the first resource block is the second and seventh resource blocks in one basic resource unit. Then the target resource is the second and seventh resource blocks in each of the 10 basic resource units.
- the resource block included in the target resource is 2, 7, 12, 17, 22, 27, 32, 37, 42, 47, 52, 57, 62, 67, 72, 77, 82, 87, 92, 97 resource blocks.
- the target resource includes a resource block allocated to the terminal device in each of the M basic resource units, and in the M basic resource units, the third frequency domain location fk is the kth basis a frequency domain location of any resource block allocated to the terminal device in the resource unit, and a fourth frequency domain location f j corresponding to the third frequency domain location is f k +K*(jk), where the The quad-frequency domain location is a frequency domain location of the resource block allocated to the terminal device in the jth basic resource unit, where k, j, and M are positive integers, M ⁇ 2, k ⁇ j ⁇ M.
- the terminal device determines the location of the M resource blocks according to the location of one resource block in the first resource block set, and does not require the access network device to indicate to the terminal device the allocated resources in each of the M basic resource units.
- the location of the block improves the efficiency of the indication information of the access network device.
- the target resource may further satisfy: the resource block corresponding to the frequency domain location f k of the kth resource block in the first resource block set is M resource blocks, and the mth resource block in the M resource blocks is a resource block in the mth basic resource unit of the M basic resource units whose location in the frequency domain is (f k + ⁇ m ) mod K .
- ⁇ m is a resource mapping reference value corresponding to the mth basic resource unit, where 1 ⁇ m ⁇ M.
- the value of ⁇ m is the “resource mapping reference value” of the mth basic resource unit determined by the access network device and the terminal device according to a preset rule.
- Each of the above M basic resource units has a preset, corresponding resource mapping reference value.
- K is the number of resource blocks included in a basic resource unit. The transmission power of the terminal device is improved under the constraint that the power spectral density is satisfied.
- the first frequency domain location of the resource block in the set corresponds.
- the first frequency domain location of the resource block in the first resource block is the first, second, third, sixth, and seventh resource blocks in one basic resource unit.
- the ⁇ m of the 10 basic resource units is 0, 1, 3, 6, 5, 3, 7, 0, 2, 5 in order, then the target resource is the 2nd of each of the 10 basic resource units. , 7 resource blocks.
- the resource blocks included in the target resource are the first, second, third, sixth, seventh, twelfth, thirteenth, and fourteenth of the ten basic resource units. , 17, 18, 24, 25, 26, 29, 30, 32, 33, 37, 38, 39, 41, 42, 46, 47, 48, 54, 55, 56, 59, 60, 63, 64, 68 , 69, 70, 71, 72, 73, 76, 77, 83, 84, 85, 88, 89, 91, 92, 96, 97, 98 resource blocks.
- the first resource block set is a set of resource blocks allocated to the terminal device in one basic resource unit, and the allocated resource blocks in each of the M basic resource units may be determined by referring to the first resource block set. Specifically, the first resource block set satisfies one of the following:
- the frequency domain location of the xth resource block in the first resource block set corresponds to the frequency domain location of the M resource blocks, where the M resource blocks are each of the M basic resource units. a resource block in the unit that has the same frequency domain position as the xth resource block, where x is an integer, 1 ⁇ x ⁇ K, and K is the number of resource blocks included in the one basic resource unit.
- the frequency domain location of the kth resource block in the first resource block set corresponds to the frequency domain location of the M resource blocks
- the frequency domain location f k of the kth resource block in the first resource block set corresponds to
- the mth resource block is a resource block whose frequency domain position is (f k + ⁇ m ) in the mth basic resource unit of the M basic resource units, where ⁇ m is corresponding to the mth basic resource unit
- the resource mapping reference value, k and m are positive integers, ⁇ m is an integer, 1 ⁇ k ⁇ K, 1 ⁇ m ⁇ K, and K is the number of resource blocks included in the one basic resource unit.
- the resource block corresponding to the frequency domain location f k of the kth resource block in the first resource block set is in the mth basic resource unit.
- the resource block is a resource block corresponding to a frequency domain position in which the frequency domain position (f k + ⁇ m ) is cyclically shifted in the Mth basic resource unit.
- the first frequency domain position of the resource block in the first resource block set is a frequency domain position after the cyclic shift of the second frequency domain position of the resource block in the second resource block set.
- K mod (t1, K )
- U 2 mod (U 1 + T, K)
- T the cycle
- K is the number of resource blocks included in one basic resource unit
- t1, t2, U 2 , and T are positive integers greater than 0.
- FIG. 3 is a schematic diagram showing a frequency domain position cyclic shift relationship of a resource block included in a first resource block set and a second resource block set, as the arrow “ ⁇ ” direction is cyclically shifted according to a frequency domain increasing order.
- the direction It is assumed that the second frequency domain location of the resource block included in the second resource block set is the first, second, and sixth resource blocks in one basic resource unit, and the following cyclic shifts are 0, 1, 2, 3, 4, and 5, respectively.
- Bit as an example, After cyclically shifting the second frequency domain position of the resource block in the second resource block set, the first frequency domain position of the resource block in the obtained first resource block set is described:
- the first frequency domain location is the first, second, and sixth resource blocks in a basic resource unit
- the first frequency domain location is the 2nd, 3rd, and 7th resource blocks in a basic resource unit;
- the first frequency domain location is the 3rd, 4th, and 8th resource blocks in a basic resource unit;
- the first frequency domain location is the 4th, 5th, and 9th resource blocks in a basic resource unit;
- the first frequency domain location is the 5th, 6th, and 10th resource blocks in a basic resource unit;
- the first frequency domain location is the first, sixth, and seventh resource blocks in a basic resource unit;
- the first frequency domain location is the 2nd, 7th, and 8th resource blocks in a basic resource unit;
- the first frequency domain location is the 3rd, 8th, and 9th resource blocks in a basic resource unit;
- the first frequency domain location is the 4th, 9th, and 10th resource blocks in a basic resource unit;
- the first frequency domain position of the resource block in the different first resource block set can be obtained by different cyclic shifts of the second frequency domain position of the resource block in the second resource block set.
- FIG. 3 shows a first frequency domain location of a first resource block set obtained by cyclically shifting 0, 1, 4, and 5 of a second frequency domain position of a resource block in a second resource block set.
- the unit of the cyclic shift is a resource block, and the cyclic shift is performed according to the direction of the frequency domain increment in a basic resource unit.
- the result of cyclically shifting 0 bits or n*K bits is the same as not performing cyclic shift.
- the cyclically shifted shift value Y is an integer in [0, K-1], where K is the number of resource blocks included in one base resource unit.
- the second resource block set is a resource block set in the reference resource block set group.
- the first indication information passed by the access network device indicates a set of resource blocks in the reference resource block set to the terminal device.
- the terminal device can acquire the second frequency domain location of the resource block in the second resource block set.
- the second frequency domain location and the first indication information of the resource block in the second resource block set of the terminal device are used to indicate the second frequency domain location of the resource block in the second resource block set and the first indication information
- the cyclically shifted shift value may determine a first frequency domain location of the resource block in the first resource block set, and the terminal device further determines, according to the first frequency domain location of the resource block in the first resource block set, each of the M basic resource units
- the allocated resource block locations in the basic resource unit form a target resource and send uplink data on the target resource.
- the access network device indicates, by using the first indication information, a second frequency domain location of the resource block in the second resource block set, or indicates, by using the first indication information, a first frequency domain location of the resource block in the first resource block set, that is, access
- the network device only needs to indicate the second frequency domain location of the resource block in the second resource block set corresponding to the location of the allocated resource block in one basic resource unit, or the first resource block in the first resource block set
- the frequency domain location is indicated to the terminal device, and the terminal device can calculate the location of the allocated resource block in each basic resource unit according to a preset rule, thereby effectively reducing the calculation step of the terminal device and improving the determining the resource location. Accuracy, to some extent reduce the power consumption of the terminal equipment.
- the access network device may further determine, according to the number of resource blocks O1 in the second resource block set, a valid shift value, so as to determine whether the shift value needs to be carried in the first indication information, specifically:
- the number of resource blocks O 1 in the second resource block set is satisfied
- the shift value of the cyclic shift corresponding to the second resource block set is only one type
- the cyclic shift corresponding to the second resource block set has only one shift value; wherein O 1 is a positive integer, and K is a basic The number of resource blocks included in the resource unit.
- the reference resource block set group includes at least one resource block set.
- the resource block set in the reference resource block set group is a set of candidate resource blocks in which the access network device allocates a second resource block set corresponding to the target resource for transmitting uplink data for the intermediate terminal device.
- the reference resource block set group includes at least a first type of resource block set and a second type of resource block set type.
- the resource block group includes one resource block, or includes at least two resource blocks adjacent to each other in the frequency domain, and each of the L resource block groups is between Not adjacent to each other in the frequency domain;
- the frequency domain location of the first resource block of the Vth resource block group in the L resource block groups corresponds to a basic resource unit Resource blocks, where 1 ⁇ V1 ⁇ P1;
- the frequency domain location of the first resource block in the Vth resource block group of the L resource block groups corresponds to a basic resource unit Resource blocks, where P1+1 ⁇ V2 ⁇ L;
- first resource block refers to the first resource block in the frequency domain in the frequency domain ascending order.
- the number of resource blocks included in each of the first P1 resource block groups in the L resource block groups is M1
- the P2 resource block groups in the L resource block groups are respectively
- the number of resource blocks included is M2, where M 1 >M 2 , and M1 and M2 are positive integers.
- the number of resource blocks included in each of the L resource block groups may be as uniform as possible, so that the peak-to-average ratio of the uplink information sent by the terminal device is as low as possible, and the efficiency of transmitting power of the terminal device is improved.
- the difference in the number of resource blocks included in each of the L resource block groups is the smallest, and the maximum transmission power allowed to be transmitted by the terminal device is not affected by the number of resource blocks included.
- the limitation of multiple resource block groups Since the terminal device transmits uplink data, the transmission power on each resource block is equal. If the number of resource blocks included in each of the L resource block groups is different, the maximum uplink power that the terminal device is allowed to transmit is limited by the resource block group having the largest number of resource blocks included.
- the maximum transmission power of the terminal device will be limited by the maximum transmission power allowed to be transmitted on each resource block in the first resource block group. Therefore, the number of resource blocks included in each resource block group in the L resource block groups should be as equal as possible. However, if the total number of resource blocks included in the L resource block groups is not divisible by L, the number of resource blocks included in each of the first P1 resource block groups in the L resource block groups may be M1. The number of the resource blocks included in the P2 resource block groups in the L resource block groups is M2, that is, the number of resource blocks included in each resource block group in the L resource block groups is as equal as possible.
- the first resource block of the first resource block group is the first resource block in one basic resource unit
- the first resource block of the second resource block group is the seventh one in the basic resource unit.
- Resource block. According to the frequency domain ascending order, the first resource block group includes M1 resource blocks
- the second resource block group includes M2 resource blocks, M 1 > M 2 .
- the reference resource block set group may include any one or any of the three first type resource block sets as shown in (a), b), and (c) in FIG. 4 . combination.
- the frequency domain location of the resource block in the set is the first, second, third, seventh, and eighth resource blocks in one basic resource unit; the frequency domain location of the resource block in the resource block set shown in (c) in FIG. 4 is The first, second, third, fourth, seventh, eighth, and nine resource blocks in a basic resource unit.
- any shift value is selected for the resource block set, a case where L resource block groups are dispersed may occur, for example, the reference resource block set shown in (a) of FIG. 4 .
- the second frequency domain location (1st, 2nd, and 7th resource blocks) of the resource block set is cyclically shifted by 9, the corresponding frequency domain location is the first, sixth, and ten resource blocks in one basic resource unit.
- the shift value T defining the cyclic shift satisfies:
- T is any one of the sets [0, 1, ..., l 1 ], or is any one of the sets [l 2 , l 2 +1, ..., l 3 ], wherein .
- the corresponding supported shift value is in the set [0, 1, 2, 3] or the set [4, 5, 6, 7, 8].
- the corresponding supported shift value is any one of the sets [0, 1, 2], or is in the set [4, 5, 6, 7]. Any of the values.
- the resource block set shown in (c) of FIG. 4 above has a supported shift value corresponding to the set [0, 1] or any one of the sets [4, 5, 6]. .
- the access network device when the access network device indicates the first indication information to the terminal device, if the optional shift value corresponding to the second resource block set is more, if the access network device is If all the eligible shift values are calculated and indicated to the terminal device, the burden on the terminal device resource allocation indication information is not only increased, but also the burden on the terminal device to calculate the cyclic shift value is increased.
- the power consumption of access network devices and terminal devices can be reduced by:
- the burden on the terminal device resource allocation indication information is reduced, and the burden on the UE to obtain the cyclic shift value is reduced correspondingly, that is, the power consumption of the UE is reduced correspondingly, and the processing capability of the UE is not high.
- a resource block set as shown in (a) of FIG. 4 if the corresponding supported shift If the bit value is any one of the set [0, 1, 2, 3, 4, 5, 6, 7, 8], the access network device needs to allocate the corresponding shift value to the resource currently being the terminal device (ie, Which of the set [0, 1, 2, 3, 4, 5, 6, 7, 8] shift values is indicated to the terminal device, ie, which of the nine shift values used for resource allocation is required The information of the shift value is indicated to the terminal device.
- the resource block set shown in (a) of FIG. 4 may support only one of the shift values. Accordingly, the access network device may not need to distinguish the resource allocation corresponding to the current terminal device in the first indication information. Which of these shift values is.
- the resource block set shown in (a) of FIG. 4 above can support only two kinds of shift values.
- the access network device may only need to distinguish which of the two types of shift values corresponding to the current resource allocation of the terminal device in the first indication information, without distinguishing the current resource allocation corresponding to the terminal device.
- Which of the two or more shift values can reduce the burden on the access device to allocate information to the terminal device resources.
- only the shift value is 0, or only the shift value is 4.
- the second type of resource block set satisfies the following features (1) and (2), or satisfies the following features (3) and (4):
- the second type of resource block set includes L resource block groups, and the resource block group includes one a resource block, or at least two resource blocks adjacent to each other in a frequency domain, where each resource block group in the L resource block groups are not adjacent to each other in a frequency domain;
- the frequency domain location of the first resource block in the V3 resource block group in the L resource block group corresponds to a basic resource unit a resource block, where 1 ⁇ V3 ⁇ L; wherein L ⁇ 1, K is the number of resource blocks included in the one basic resource unit.
- first resource block refers to the first resource block in the frequency domain in the frequency domain ascending order.
- the number of resource blocks included in each of the L resource block groups may be as uniform as possible, so that the peak-to-average ratio of the uplink information sent by the terminal device is as low as possible, and the efficiency of transmitting power of the terminal device is improved.
- the difference in the number of resource blocks included in each of the L resource block groups is the smallest, and the maximum transmission power allowed to be transmitted by the terminal device is not affected by the number of resource blocks included.
- the limitation of multiple resource block groups Since the terminal device transmits uplink data, the transmission power on each resource block is equal. If the number of resource blocks included in each of the L resource block groups is different, the maximum uplink power that the terminal device is allowed to transmit is limited by the resource block group having the largest number of resource blocks included.
- the maximum transmit power spectral density on the unlicensed spectrum such as license-free.
- the spectrum requires that the maximum transmit power per MHz does not exceed 10 dBm. If two resource block groups are located in different 1 MHz bandwidths, the maximum transmission power of the 4 resource blocks of the first resource block group is 10 dBm, and the maximum transmission power of the 2 resource blocks of the second resource block group It is 10 dBm, so from the transmission power on each resource block, the maximum power allowed to be transmitted by the resource blocks in the first resource block group is smaller than the maximum power allowed to be transmitted by the resource blocks in the first resource block group.
- the maximum transmission power of the terminal device will be limited by the maximum transmission power allowed to be transmitted on each resource block in the first resource block group. Therefore, the number of resource blocks included in each resource block group in the L resource block groups should be as equal as possible. However, if the total number of resource blocks included in the L resource block groups cannot be divisible by L, it may be the first P1 resource block groups in the L resource block groups.
- the number of resource blocks included in the L resource block group is M1, that is, each resource block group in the L resource block groups is included in the L resource block group. The number of resource blocks is as equal as possible.
- the second type of resource block set includes two resource block groups, where the two resource blocks are included.
- the first resource block of the first resource block group is the first resource block in one basic resource unit
- the first resource block of the second resource block group is the sixth one in the basic resource unit.
- Resource block. According to the frequency domain ascending order, the first resource block group of the two resource block groups includes M 3 resource blocks
- the second resource block group of the two resource block groups includes M 4 resource blocks, M 3 >M 4 .
- the reference resource block set group may include any one of the three second type resource block sets as shown in (a), (b), and (c) in FIG. 5 or random combination.
- the frequency domain position of the resource block in the resource block set shown in (a) of FIG. 5 is the first, second, and sixth resource blocks in one basic resource unit; and the resource block shown in (b) in FIG.
- the frequency domain location of the resource block in the set is the first, second, third, sixth, and seventh resource blocks in one basic resource unit;
- the frequency domain location of the resource block in the resource block set shown in (c) in FIG. 5 is The first, second, third, fourth, sixth, seventh, and eighth resource blocks in a basic resource unit.
- the shift value T is any one of the sets [0, 1, . . . , l 1 ], or is a set [l 2 , l 2 +1,...l 3 ], wherein .
- the corresponding supported shift value is a set of values [0, 1, 2, 3] or sets [4, 5, 6, 7, 8];
- the second second type of resource block set, the corresponding supported shift value is one of the set [0, 1, 2, 3] or the set [5, 6, 7];
- the third and second type The set of resource blocks, the corresponding supported shift values are one of the set [0, 1, 2] or the set [5, 6]. .
- the access network device indicates the first finger to the terminal device
- the optional shift value corresponding to the second resource block set may be more
- the access network device calculates all the eligible shift values and indicates to the terminal device, the access network is not only added.
- the device imposes a burden on the terminal device resource allocation indication information, and correspondingly increases the burden on the terminal device to calculate the cyclically shifted shift value.
- the means for reducing the power consumption of the access network device and the terminal device are as follows:
- a resource block set as shown in (a) of FIG. 5 if the corresponding supported shift value is any one of the sets [0, 1, 2, 3, 4, 5, 6, 7, 8] Value, the access network device needs to allocate the corresponding shift value (ie, which of the set [0, 1, 2, 3, 4, 5, 6, 7, 8] is shifted to the resource currently allocated to the terminal device.
- the value is indicated to the terminal device, that is, information indicating that any one of the nine shift values used for resource allocation needs to be indicated to the terminal device.
- the resource block set shown in (a) of FIG. 5 may support only one of the shift values. Accordingly, the access network device may not need to distinguish the current resource allocation of the terminal device in the first indication information. Which of these shift values corresponds to.
- the access network device may only need to distinguish which of the two types of shift values corresponding to the current resource allocation of the terminal device in the first indication information, without distinguishing the current resource allocation corresponding to the terminal device.
- Which of the two or more shift values can reduce the burden on the access device to allocate information to the terminal device resources.
- the resource block set shown in (a) of FIG. 5 above It can only support a shift value of 4, or only a shift value of 8.
- the resource block set shown in (b) of FIG. 5 above it is possible to support only the shift value of 3, or only the shift value of 7.
- condition that the resource block set of the second type resource block set type included in the reference resource block set group satisfies may be (3) and (4), as follows:
- the second type of resource block set includes L resource block groups, the resource block group includes one resource block, or includes at least two resource blocks adjacent to each other in the frequency domain, where the L resource block groups Each resource block group is not adjacent to each other in the frequency domain;
- the frequency domain location of the first resource block in the V3 resource block group in the L resource block group corresponds to a basic resource unit a resource block, where 1 ⁇ V3 ⁇ L; wherein L ⁇ 2, where K is the number of resource blocks included in the one basic resource unit.
- first resource block refers to the first resource block in the frequency domain in the frequency domain ascending order.
- the number of resource blocks included in each resource block group in the L resource block groups is M 5 , and M 5 is a positive integer.
- the first resource block is the first resource block in a basic resource unit
- the first resource block of the second resource block group in the two resource block groups is the sixth resource block in a basic resource unit.
- Each of the two resource block groups includes M 5 resource blocks. Taking M 5 as 2, 4, 6, 8, and 10 respectively, the reference resource block set group may include (a), (b), (c), (d), (e) in FIG. 6 and (f) Any one or any combination of the six resource blocks of the second type shown.
- the frequency domain position of the resource block in the resource block set shown in (a) of FIG. 6 is the first and sixth resource blocks in one basic resource unit; in the resource block set shown in (b) of FIG. 6 Frequency domain bit of resource block
- the frequency domain location of the resource block in the resource block set shown in (c) of FIG. 6 is the first in a basic resource unit. 2, 3, 6, 7, 8 resource blocks;
- the frequency domain location of the resource blocks in the resource block set shown in (d) of FIG. 6 is the first, second, third, fourth, and sixth in a basic resource unit , 7, 8, and 9 resource blocks;
- the frequency domain position of the resource block in the resource block set shown in (e) of FIG. 6 is the first resource block in one basic resource unit; (f) in FIG.
- the frequency domain location of the resource block in the illustrated resource block set is the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, and ten resource blocks in one basic
- the shift value T is any one of the sets [0, 1, . . . , l 1 ], .
- the corresponding supported shift value is one of the set [0, 1, 2, 3, 4]; as shown in (b) of FIG. 6
- the illustrated resource block set, the corresponding supported shift value is one of the set [0, 1, 2, 3]; the reference resource block set as shown in (c) of FIG. 6 above, corresponding support
- the shift value is a value in the set [0, 1, 2]; as in the resource block set shown in (d) of FIG. 6 above, the corresponding supported shift value is in the set [0, 1] A value.
- the supported shift values corresponding to the resource block set shown in (e) of FIG. 6 above are in the set [0, 1, 2, 3, 4, 5, 6, 7, 8, 9].
- a value of the resource block set shown in (f) of FIG. 6 above, and the corresponding supported shift value is 0.
- the first resource block set is a second type resource block set, for example, the resource block set shown in (a) in FIG. 6
- the shift value may bring the burden on the access network device to the terminal device resource allocation indication information.
- the corresponding supported shift value is any one of the sets [0, 1, 2]
- the access network device needs to allocate the corresponding shift value (ie, the set [0, 1, A value in 2] is indicated to the terminal device, that is, information on which of the three shift values used for resource allocation needs to be indicated to the terminal device.
- the resource block set shown in (a) of FIG. 5 may support only one of the shift values. Accordingly, the access network device may indicate only the resource allocated to the terminal device in the first indication information. Resource block in the second resource block set The second frequency domain location does not need to indicate a corresponding shift value, thereby reducing the burden of access network device and terminal device resource operations.
- the resource block set shown in (a) of FIG. 6 above it is possible to support only the shift value of 0, or only the shift value of 1, or only the shift value of 2. Since the target resources allocated to the terminal devices are distributed in the M basic resource units, the narrowing of the selectable set of shift values has little effect on the frequency selective gain brought about by resource multiplexing between the plurality of terminal devices.
- the shift value of the cyclic shift corresponding to the second resource block set is only one type
- the cyclic shift corresponding to the second resource block set has only one shift value.
- the access network device uses the resource allocation manner corresponding to the second resource block set to allocate the uplink resource to the terminal device A
- the access network device uses the second resource block set used by the uplink resource allocated by the other terminal device B.
- the number of resource blocks O 2 must be less than The terminal device A and the terminal device B share uplink resources in a frequency division multiplexing manner in the same subframe. Then as long as the number of resource blocks O 2 is less than The second resource block set corresponds to a shift value supporting various cyclic shifts, and the number of resource blocks is greater than The second set of resource blocks may only correspond to shift values that support a cyclic shift.
- the second resource block set may only correspond to a shift value supporting one cyclic shift.
- the correspondence between the second resource block set and the corresponding cyclically shifted shift value may include at least one row in the following Table 1:
- the access network device indicates the first indication information to the terminal device, determines the target resource according to the first indication information, and sends the uplink data on the target resource.
- the target resource includes a resource block allocated to the terminal device among the M basic resource units, and the allocated resource block position in each of the M basic resource units and the first frequency domain of the resource block in the first resource block set
- the first frequency domain position of the resource block in the first resource block set is a frequency domain position after the second frequency domain position of the resource block in the second resource block set is shifted, where M is a positive integer.
- the shift value corresponding to the second resource block set and the second resource block set satisfies at least one of the following:
- the corresponding shift value has only one type
- the corresponding shift is greater than one
- the corresponding shift value has Ns, 1 ⁇ Ns ⁇ 9;
- the corresponding shift value has Ns, 1 ⁇ Ns ⁇ 7;
- the corresponding shift value has Ns, 1 ⁇ Ns ⁇ 3;
- the corresponding shift value has Ns, 1 ⁇ Ns ⁇ 5;
- Each indication value of the first indication information corresponds to one resource block set in the resource block set group, and a cyclic shift value.
- the mapping relationship between the indication value I index of the first indication information and each resource block set in the resource block set group, and the corresponding cyclic shift value is as shown in Table 1 below.
- the terminal device may determine the second resource block set and the corresponding cyclic shift value according to the indication value of the first indication information and the mapping relationship, according to the second resource block set and the corresponding cyclic shift value. Determine the first resource block set. Determining the target resource according to the determined resource block in the M basic resource units according to the first frequency domain location of the resource block in the first resource block set.
- the resource block sets a to j are the resource block sets included in the resource block set group, and the first frequency domain positions of the resource blocks included in each of the resource block sets a to j are different. . v 1 , v 2 , v 3 , v 4 , v 5 , v 6 , v 7 , v 8 , v 9 are sequentially supported cyclic shift values when the resource block sets b to j are each a second resource block set. The number.
- the first indication information indicates only the resource block in the second resource block set.
- the second frequency domain location does not simultaneously indicate the shift value corresponding to the resource block set. It should be noted that the shift value corresponding to the second frequency domain location of the resource block in the second resource block set of this type is predefined by the access network device and the terminal device, so the first indication information does not need to be passed. Instructions.
- the first indication information may be the resource block in the second resource block set.
- the foregoing Table 1 is only a description of the correspondence between the indication value I index of the first indication information and each resource block set in the resource block set group, and the corresponding cyclic shift value.
- the table of the mapping relationship may be different according to the number of resource block sets included in the resource block set group and the number of cyclic shifts supported by each resource block set.
- the mapping relationship between the access network device and the terminal device is pre-configured.
- the reference resource block set in the embodiment of the present invention includes the three first type resource block sets shown in FIG. 4, the three second type resource block sets shown in FIG. 5, and the six shown in FIG.
- the second type of resource block set is taken as an example.
- the correspondence between the indication value I index of the first indication information and each resource block set in the resource block set group, and the corresponding cyclic shift value is as shown in Table 3 below.
- index numbers such as "0", "1", ... "9” in the resource block set as shown in (a) of FIG. Representing the index number, which in turn represents the first resource block, the second resource block, and the tenth resource block in a basic resource unit.
- the above mapping relationship is pre-configured on both the access network device and the terminal device side. And implementing, by the access network device, the location of the allocated target resource to the terminal device, so that the terminal device determines, according to the preset mapping relationship, the target resource for sending the uplink data, where the access network device receives the corresponding terminal device and sends the target resource. Upstream data.
- the correspondence between the indication value I index of the first indication information and each resource block set in the resource block set group and the corresponding cyclic shift value may be the information indicated by the partial lines in Table 2.
- the indication value I index of the first indication information and each of the resource block aggregation groups A resource block set, and the corresponding cyclic shift value correspondence does not include the following two lines in Table 3:
- the correspondence between the indication value I index of the first indication information and each resource block set in the resource block set group, and the corresponding cyclic shift value is as shown in Table 3. It should be noted that the correspondence between the indication value I index of the first indication information and each resource block set in the resource block set group and the corresponding cyclic shift value may be the information indicated by the partial line in Table 5.
- the indication value of the first indication information corresponds to information about a first frequency domain location of the resource block in the first resource block set.
- the first frequency domain location of the resource block in the first resource block set is a resource block index in a basic resource unit as one of the following alternatives:
- the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is ⁇ 0 ⁇ , ⁇ 1 ⁇ , ⁇ 2 ⁇ One of ⁇ 3 ⁇ , ⁇ 4 ⁇ , ⁇ 5 ⁇ , ⁇ 6 ⁇ , ⁇ 7 ⁇ , ⁇ 8 ⁇ , ⁇ 9 ⁇ ;
- the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is ⁇ 0 5 ⁇ , ⁇ 1 6 ⁇ , ⁇ One of 2 7 ⁇ , ⁇ 3 8 ⁇ , ⁇ 4 9 ⁇ ;
- the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is ⁇ 0 1 6 ⁇ , ⁇ 4 5 9 ⁇ One of the following; or, if there are three resource blocks in the first resource block set, the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is ⁇ 0 4 5 One of ⁇ 3 4 9 ⁇ ;
- the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is ⁇ 0 1 5 6 ⁇ , ⁇ 1 2 6 One of 7 ⁇ , ⁇ 2 3 7 8 ⁇ , ⁇ 3 4 8 9 ⁇ ;
- the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is ⁇ 0 1 2 6 7 ⁇ , ⁇ 3 4 Or one of 5 8 9 ⁇ ; or, if there are 5 resource blocks in the first resource block set, the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is One of ⁇ 0 1 4 5 6 ⁇ , ⁇ 2 3 7 8 9 ⁇ ;
- the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is ⁇ 0 1 2 5 6 7 ⁇ ; or If there are six resource blocks in the first resource block set, the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is ⁇ 2 3 4 6 7 8 ⁇ ; or If there are six resource blocks in the first resource block set, the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is ⁇ 3 4 5 7 8 9 ⁇ ;
- the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is ⁇ 0 1 2 3 6 7 8 ⁇ , ⁇ Or one of 2 3 4 5 7 8 9 ⁇ ; or, if there are 7 resource blocks in the first resource block set, the first frequency domain position of the resource block in the first resource block set is in a basic resource unit
- the resource block index is one of ⁇ 0 1 2 4 5 6 7 ⁇ , ⁇ 1 2 3 6 7 8 9 ⁇ ;
- the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is ⁇ 0 1 2 3 5 6 7 8 ⁇ ; Or, if there are eight resource blocks in the first resource block set, the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is ⁇ 1 2 3 4 6 7 8 9 ⁇ ;
- the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is ⁇ 0 1 2 3 4 5 6 7 8 ⁇
- the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is ⁇ 1 2 3 4 5 6 7 8 9 ⁇ ;
- the resource block index of the first frequency domain location of the resource block in the first resource block set in one basic resource unit is ⁇ 0 1 2 3 4 5 6 7 8 9 ⁇ .
- the correspondence between the indication value I index of the first indication information and the first resource block set may be as shown in Table 6.
- the access network device when allocating resources to two or more terminal devices, may allocate resource blocks in one basic resource unit to more than two terminal devices to implement multiple terminals.
- the frequency division multiplexing between the devices and the utilization of the resources the access network device may indicate that the second resource block set of the at least one terminal device is the first type of resource block set in the reference resource block set group, and indicate another The second resource block set of the at least one terminal device is a second type resource block set in the reference resource block set group, thereby ensuring that resource blocks between the respective terminal devices do not overlap, and maximizing resources in the entire basic resource unit
- the blocks are all allocated to the terminal device to send uplink data, and achieve the purpose of frequency division multiplexing on multiple terminal device resources.
- the access network device may use the first type of resource block set and the second type of resource block set to respectively allocate the allocated resource block to more than two terminal devices, and allocate the uplink resource block to multiple terminal devices to implement frequency division. use.
- the following is an example in which the access network device has allocated the first resource block set in one basic resource unit to the first terminal device, and allocates the other resource block set in the basic resource unit to the second terminal device as an example:
- the access network device indicates the first type of resource block set in the reference resource block set group as the second resource block set to the first terminal device, and the reference resource block set group in FIG. 5(c)
- the illustrated second type of resource block set is indicated to the second terminal device as a second resource block set.
- the access network device indicates, by using the first indication information, that the cyclic shift value corresponding to the first terminal device and the second resource block set is 0.
- the first terminal device is based on the actual The method described in the example can determine the target resource to be allocated. After the access network device allocates the illustrated target resources (resource blocks 0, 1, 2, 3, 5, 6, and 7) to the first terminal device, unless the access network device refers to the resource block set group as shown in FIG.
- the second type of resource block set shown in (e) is indicated to the second terminal device as the second resource block set, and the ninth resource block in each of the M basic resource units can be
- the index number 8 in Table 2 is allocated to the second terminal device to transmit uplink data, otherwise the ninth resource block in each of the M basic resource units will not be allocated to other terminal devices. Therefore, in order to allocate the remaining resource blocks to the second terminal device, the access network device may cooperate with the first type of resource block set as the second resource block set indication to the first terminal device, and use the second type of resource.
- a set of blocks (e.g., a set of resource blocks shown in (c) of FIG. 5) is indicated to the second terminal device as a second set of resource blocks.
- the access network device indicates the second type of resource block set as shown in (a) of FIG. 4 as the second resource block set to the second terminal device, and the access network device simultaneously indicates by the first indication information.
- the cyclic shift value corresponding to the second terminal device and the second resource block set is 8.
- the second terminal device can determine the target resource to be allocated according to the method described in this embodiment.
- the ninth resource block in each of the above M basic resource units is effectively allocated to the second terminal device.
- the access network device can achieve effective frequency division multiplexing on multiple terminal device resources by respectively indicating different types of resource block sets in the reference resource block set group to different terminal devices.
- the method for the resource allocation indication in the present invention is described above.
- the following describes the access network device and the terminal device for performing the foregoing resource allocation indication.
- the reference resource aggregation group, the basic resource unit, and the target resource are used.
- the first resource block set, the second resource block set, and the first indication information, and the relationship between the first and second indications reference may be made to the description in the method embodiment in the embodiment of the present invention, and details are not described herein.
- the terminal device 70 includes:
- the receiving module 701 is configured to acquire first indication information.
- the processing module 702 is configured to determine a target resource according to the first indication information received by the receiving module 701, and send uplink data on the target resource;
- the target resource includes a resource block allocated to the terminal device among the M basic resource units, where the resource block location and the allocated resource block in each of the M basic resource units are Corresponding to a first frequency domain location of the resource block in the resource block set, where the first frequency domain location of the resource block in the first resource block set is cyclically shifted after the second frequency domain location of the resource block in the second resource block set.
- the frequency domain location where M is a positive integer, and the M basic resource elements are arranged in an increasing order on the frequency domain.
- the first indication information is used to indicate a second frequency domain position of the resource block in the second resource block set and a shift value T of the cyclic shift.
- the first resource block set meets:
- the frequency domain location of the xth resource block in the first resource block set corresponds to the frequency domain location of the M resource blocks, where the M resource blocks are respectively in each of the M basic resource units.
- the target resource includes a resource block corresponding to a frequency domain location of each resource block in the first resource block set, and a resource block corresponding to a frequency domain location f k of the kth resource block in the first resource block set is a resource block in the base resource unit of each of the M basic resource units having a frequency domain location of f k .
- the second resource block set is a first type resource block set in the reference resource block set group, and the first type resource block set features (such as L resource blocks)
- first type resource block set features such as L resource blocks
- the terminal device 70 further includes a processing module 703.
- the following uses the value of the index I index included in the first indication information (0 to v 1 -1) as an example to describe the target resource determined by the terminal device 70, as follows:
- the processing module 703 obtains the type of the resource block set corresponding to I index (0-v 1 -1) according to the mapping relationship shown in Table 1 or Table 2 in the foregoing method embodiment, and is (c) in FIG. 6 .
- the illustrated resource block set, and the shift value I index obtained by cyclic shifting the resource block in the resource block set shown in (c) of FIG. 6, and then for the resource block shown in (c) of FIG.
- the resource blocks included in the set are cyclically shifted, and the frequency domain locations corresponding to the resource blocks allocated to the terminal devices in the 10 basic resource units are respectively calculated, thereby obtaining the target resources for transmitting the uplink data.
- the second resource block set is a second type resource block set in the reference resource block set group, and the second type resource block set feature (such as L One For the resource block group, the shift value T, and the like, reference may be made to the corresponding description of the foregoing method embodiment, and details are not described herein again.
- the access network device determines the type of the matched resource block set according to the remaining resource blocks, and then notifies the terminal device 70 in the indication information, so that The terminal device 70 may have determined the type of the resource block set according to the content of the indication information, and then obtain the allocated resources to implement frequency division multiplexing with other terminal devices.
- the access network device 80 is described with reference to FIG. 8.
- the access network device 80 includes:
- the processing module 801 is configured to determine a target resource for the terminal device.
- the sending module 802 is configured to send first indication information to the terminal device
- the receiving module 803 is configured to receive uplink data sent by the terminal device on the target resource corresponding to the first indication information
- the target resource includes a resource block allocated to the terminal device among the M basic resource units, and the resource block location allocated in each of the M basic resource units and the resource in the first resource block set Corresponding to the first frequency domain location of the block, the first frequency domain location of the resource block in the first resource block set is a frequency domain location after cyclic shifting of the second frequency domain position of the resource block in the second resource block set, where M is a positive integer, and the M basic resource units are arranged in an increasing order on the frequency domain.
- the first indication information is used to indicate, to the terminal device, a second frequency domain position of the resource block in the second resource block set and a shift value T of the cyclic shift.
- the first resource block set meets:
- the frequency domain location of the xth resource block in the first resource block set corresponds to the frequency domain location of the M resource blocks, where the M resource blocks are respectively in each of the M basic resource units.
- the target resource includes a resource block corresponding to a frequency domain location of each resource block in the first resource block set, and a resource block corresponding to a frequency domain location f k of the kth resource block in the first resource block set. And a resource block whose frequency domain position is f k in each of the M basic resource units.
- the second resource block set is a first type of resource block set in a reference resource block set group, or is a first type resource block set in a reference resource block set group
- the first type of resource block set e.g. L resource block groups, shift values T, etc.
- features of the first type of resource block set e.g, L resource block groups, shift values T Etc.
- resource blocks in the same basic resource unit when resource blocks in the same basic resource unit are allocated to only one terminal device, some resource blocks may remain, and the remaining resource blocks may be allocated to other terminal devices, for example,
- the resource blocks in the M basic resource units are allocated to the first terminal device and the second terminal device to achieve the purpose of frequency division multiplexing resources of the plurality of terminal devices, and the processing module 803 is further configured to:
- the second resource block set indicated by the second indication information to the second terminal device may be the first type of resource block set, or the second type of resource block set, and the first type of resource block set.
- the second type of resource block set such as the L resource block group, the shift value T, and the like.
- the embodiment of the present invention further provides a communication system.
- the communication system includes:
- the terminal device 70 as shown in FIG. 7;
- the access network device 80 is as described in FIG.
- the physical devices corresponding to all the receiving modules may be receivers, and the physical devices corresponding to all the sending modules may be transmitting.
- the physical device corresponding to all processing modules may be a processor.
- Each of the devices shown in FIGS. 7 and 8 may have a structure as shown in FIG. 10.
- the processor, the transmitter, and the receiver in FIG. 10 implement the foregoing.
- the processing module, the transmitting module, and the receiving module provided by the device embodiment of the device have the same or similar functions, and the memory storage processor in FIG. 10 needs to call the program code when executing the above method of downloading the contract file.
- the present invention also provides a computer storage medium storing a program, the program including some or all of the steps of the terminal device 70 or the access network device 80 performing the resource allocation indication described above.
- the structure of the terminal device 70 herein includes a processor, a receiver, and a transmitter, the processor being configured to support the terminal device 70 to perform a corresponding function in the above method.
- the receiver and the transmitter are configured to support communication between the terminal device 70 and the access network device 80, and provide access to the access network.
- the device 80 transmits the information or instructions involved in the above method.
- the terminal device 70 may also include a memory for coupling with a processor that holds program code and data necessary for the operator server.
- the access network device 80 is similarly implemented and will not be described again.
- the disclosed system, apparatus, and method may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
- each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
- the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
- the technical solution of the present invention which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium.
- a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
- the storage medium includes: a U disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes.
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Abstract
Description
54~58 | {0 1 2 3 5 6 7} | [0,1,2,5,6]中的第Iindex-54个值 |
59~63 | {0 1 2 3 6 7 8} | [0,1,4,5,6]中的第Iindex-59个值 |
Claims (60)
- 一种资源分配指示的方法,其特征在于,所述方法包括:终端设备获取第一指示信息;所述终端设备根据所述第一指示信息确定目标资源,并在所述目标资源上发送上行数据;所述目标资源包括M个基础资源单元中被分配给所述终端设备的资源块,所述M个基础资源单元中每个基础资源单元中被分配的资源块位置与第一资源块集合中资源块的第一频域位置对应,所述第一资源块集合中资源块的第一频域位置为第二资源块集合中资源块的第二频域位置移位后的频域位置,其中M为正整数。
- 根据权利要求1所述的方法,其特征在于,所述移位为循环移位,所述第一指示信息满足以下之一:所述第一指示信息用于指示所述第二资源块集合中资源块的第二频域位置和所述循环移位的移位值T,其中T为整数;所述第一指示信息用于指示所述第一资源块集合中资源块的第一频域位置。
- 根据权利要求1或2所述的方法,其特征在于,所述第一资源块集合满足:所述第一资源块集合中第k个资源块的频域位置和M个资源块的频域位置对应,所述第一资源块集合中第k个资源块的频域位置fk对应的第m个资源块为所述M个基础资源单元中的第m个基础资源单元中频域位置为(fk+Δm)的资源块,其中,Δm为与第m个基础资源单元对应的资源映射参考值,k、m均为正整数,Δm为整数,1<k≤K,1<m≤K,K为所述一个基础资源单元包括的资源块个数。
- 根据权利要求3所述的方法,其特征在于,在(fk+Δm)>K时,所述第一资源块集合中第k个资源块的频域位置fk对应的所述第m个基础资源单元中的资源块为频域位置(fk+Δm)在所述第m个基础资源单元中循环移位后的频域位置对应的资源块。
- 根据权利要求1或2所述的方法,其特征在于,所述第一资源块集合满足:所述第一资源块集合中第x个资源块的频域位置和M个资源块的频域位置对应,所述M个资源块分别为所述M个基础资源单元中每个基础资源单元中和所述第x个资源块的频域位置相同的资源块,其中,x正整数,1<x≤K,K为所述一个基础资源单元包括的资源块个数。
- 根据权利要求1-5任一项所述的方法,其特征在于,所述第二资源块集合为参考资源块集合组中第一类型的资源块集合,所述参考资源块集合组至少包括一个参考资源块集合,所述第一类型的资源块集合包括L个资源块组,所述资源块组包括一个资源块,或者包括频域上相邻的至少两个资源块,所述L个资源块组中的各资源块组之间在频域上互不相邻;其中,L、P1、P2、V1、V2及K均为正整数,L≥2,P1≥1,P2=L-P1。
- 根据权利要求6所述的方法,其特征在于,按频域增序,所述L个资源块组中前P1个资源块组各自包括的资源块的个数均为M1,所述L个资源块组中后P2个资源块组各自包括的资源块的个数均为M2,其中,M1>M2,M1和M2均为正整数。
- 根据权利要求7所述的方法,其特征在于,若所述L个资源块组包括的资源块的总数为奇数,则M1-M2=1。
- 根据权利要求10所述的方法,其特征在于,按频域增序,所述L个资源块组中前P3个资源块组各自包括的资源块的个数均为M3,所述L个资源块组中后P4个资源块组各自包括的资源块的个数均为M4,其中,M3和M4均为正整数,L≥2,P3≥1,P4=L-P3,M3>M4。
- 根据权利要求1所述的方法,其特征在于,所述第一频域位置为第二资源块集合中资源块的第二频域位置循环移位后的频域位置,包括:所述第一资源块集合中第t1个资源块的频域位置对应第U1个资源块,所述第二资源块集合中第t2个资源块的频域位置对应第U2个资源块,满足U2=mod(U1+T,K),其中,T为所述循环移位的移位值,K为一个基础资源单元所包括的资源块的个数,t1、t2、U1、U2、T为大于0的正整数。
- 一种资源分配指示的方法,其特征在于,所述方法包括:接入网设备向终端设备发送第一指示信息;所述接入网设备在所述第一指示信息所对应的目标资源上接收所述终端设备发送的上行数据;所述目标资源包括M个基础资源单元中被分配给所述终端设备的资源块,所述M个基础资源单元中每个基础资源单元中被分配的资源块位置与第一资源块集合中资源块的第一频域位置对应,所述第一资源块集合中资源块的第一频域位置为第二资源块集合中资源块的第二频域位置移位后的频域位置,其中M为正整数。
- 根据权利要求16所述的方法,其特征在于,所述移位为循环移位,所述第一指示信息满足以下之一:所述第一指示信息用于向所述终端设备指示所述第二资源块集合中资源块的第二频域位置和所述循环移位的移位值T,其中T为整数;所述第一指示信息用于指示所述第一资源块集合中资源块的第一频域位置。
- 根据权利要求16或17所述的方法,其特征在于,所述第一资源块集合满足:所述第一资源块集合中第k个资源块的频域位置和M个资源块的频域位置对应,所述第一资源块集合中第k个资源块的频域位置fk对应的第m个资源块为所述M个基础资源单元中的第m个基础资源单元中频域位置为(fk+Δm)的资源块,其中,Δm为与第m个基础资源单元对应的资源映射参考值,k、m 均为正整数,Δm为整数,1<k≤K,1<m≤K,K为所述一个基础资源单元包括的资源块个数。
- 根据权利要求18所述的方法,其特征在于,在(fk+Δm)>K时,所述第一资源块集合中第k个资源块的频域位置fk对应的所述第m个基础资源单元中的资源块为频域位置(fk+Δm)在所述第m个基础资源单元中循环移位后的频域位置对应的资源块。
- 根据权利要求16或17所述的方法,其特征在于,所述第一资源块集合满足:所述第一资源块集合中第x个资源块的频域位置和M个资源块的频域位置对应,所述M个资源块分别为所述M个基础资源单元中每个基础资源单元中和所述第x个资源块的频域位置相同的资源块。
- 根据权利要求16-20任一项所述的方法,其特征在于,所述第二资源块集合为所述参考资源块集合组中第一类型的资源块集合,所述参考资源块集合组包括至少一个参考资源块集合,所述第一类型的资源块集合包括L个资源块组,所述资源块组包括一个资源块,或者包括频域上相邻的至少两个资源块,所述L个资源块组中的各资源块组之间在频域上互不相邻;其中,L、P1、P2、V1、V2及K均为正整数,L≥2,P1≥1,P2=L-P1,K为所述一个基础资源单元包括的资源块个数。
- 根据权利要求21所述的方法,其特征在于,按频域增序,所述L个资源块组中前P1个资源块组各自包括的资源块的个数均为M1,所述L个资源块组中后P2个资源块组各自包括的资源块的个数均为M2,其中,M1>M2,M1和M2均为正整数。
- 根据权利要求22所述的方法,其特征在于,若所述L个资源块组中 包括的资源块的总数为奇数,则M1-M2=1。
- 根据权利要求25所述的方法,其特征在于,按频域增序,所述L个资源块组中前P3个资源块组各自包括的资源块的个数均为M3,所述L个资源块组中后P4个资源块组各自包括的资源块的个数均为M4,其中,M3和M4均为正整数,L≥2,P3≥1,P4=L-P3,M3>M4。
- 根据权利要求16至29任一所述的方法,其特征在于,其特征在于,所述第一频域位置为第二资源块集合中资源块的第二频域位置循环移位后的频域位置,包括:所述第一资源块集合中第t1个资源块的频域位置对应第U1个资源块,所述第二资源块集合中第t2个资源块的频域位置对应第U2个资源块,满足U2=mod(U1+T,K),其中,T为所述循环移位的移位值,K为一个基础资源单元所包括的资源块的个数,t1、t2、U1、U2、T为大于0的正整数。
- 一种终端设备,其特征在于,所述终端设备包括:接收模块,用于获取第一指示信息;处理模块,用于根据所述接收模块接收到的所述第一指示信息确定目标资源,并在所述目标资源上发送上行数据;所述目标资源包括M个基础资源单元中被分配给所述终端设备的资源块,所述M个基础资源单元中每个基础资源单元中被分配的资源块位置与第一资源块集合中资源块的第一频域位置对应,所述第一资源块集合中资源块的第一频域位置为第二资源块集合中资源块的第二频域位置移位后的频域位置,其中M为正整数。
- 根据权利要求31所述的终端设备,其特征在于,所述移位为循环移位,所述第一指示信息满足以下之一:所述第一指示信息用于指示所述第二资源块集合中资源块的第二频域位置和所述循环移位的移位值T;所述第一指示信息用于指示所述第一资源块集合中资源块的第一频域位置。
- 根据权利要求21或32所述的终端设备,其特征在于,所述第一资源 块集合满足:所述第一资源块集合中第k个资源块的频域位置和M个资源块的频域位置对应,所述第一资源块集合中第k个资源块的频域位置fk对应的第m个资源块为所述M个基础资源单元中的第m个基础资源单元中频域位置为(fk+Δm)的资源块,其中,Δm为与第m个基础资源单元对应的资源映射参考值,k、m均为正整数,Δm为整数,1<k≤K,1<m≤K,K为所述一个基础资源单元包括的资源块个数。
- 根据权利要求33所述的终端设备,其特征在于,在(fk+Δm)>K时,所述第一资源块集合中第k个资源块的频域位置fk对应的所述第m个基础资源单元中的资源块为频域位置(fk+Δm)在所述第m个基础资源单元中循环移位后的频域位置对应的资源块。
- 根据权利要求33或34所述的终端设备,其特征在于,所述第一资源块集合满足:所述第一资源块集合中第x个资源块的频域位置和M个资源块的频域位置对应,所述M个资源块分别为所述M个基础资源单元中每个基础资源单元中和所述第x个资源块的频域位置相同的资源块,其中,x正整数,1<x≤K,K为所述一个基础资源单元包括的资源块个数。
- 根据权利要求31-35任一项所述的终端设备,其特征在于,所述第二资源块集合为参考资源块集合组中第一类型的资源块集合,所述参考资源块集合组至少包括一个参考资源块集合,所述第一类型的资源块集合包括L个资源块组,所述资源块组为一个资源块,或者为频域上相邻的至少两个资源块,所述L个资源块组中的各资源块组之间在频域上互不相邻;其中,L、P1、P2、V1、V2及K均为正整数,L≥2,P1≥1,P2=L-P1,K 为所述一个基础资源单元包括的资源块个数。
- 根据权利要求36所述的终端设备,其特征在于,按频域增序,所述L个资源块组中前P1个资源块组各自包括的资源块的个数均为M1,所述L个资源块组中后P2个资源块组各自包括的资源块的个数均为M2,其中,M1>M2,M1和M2均为正整数。
- 根据权利要求37所述的终端设备,其特征在于,若所述L个资源块组中包括的资源块的总数为奇数,则M1-M2=1。
- 根据权利要求40所述的终端设备,其特征在于,按频域增序,所述L个资源块组中前P3个资源块组各自包括的资源块的个数均为M3,所述L个资源块组中后P4个资源块组各自包括的资源块的个数均为M4,其中,M3和M4均为正整数,P3≥3,P4=L-P3,M3>M4。
- 根据权利要求31所述的终端设备,其特征在于,所述第一频域位置为第二资源块集合中资源块的第二频域位置循环移位后的频域位置,包括:所述第一资源块集合中第t1个资源块的频域位置对应一个基础资源单元中的第U1个资源块,所述第二资源块集合中第t2个资源块的频域位置对应所述第i个基础资源单元中的第U2个资源块,满足U1=mod(t1,K),U2=mod(U1+T,K),其中,T为所述循环移位的移位值,K为一个基础资源单元所包括的资源块的个数,t1、t2、U2、T为大于0的正整数。
- 一种接入网设备,其特征在于,所述接入网设备包括:发送模块,用于向终端设备发送第一指示信息;接收模块,用于在所述第一指示信息所对应的目标资源上接收所述终端设备发送的上行数据;所述目标资源包括M个基础资源单元中被分配给所述终端设备的资源块,所述M个基础资源单元中每个基础资源单元中被分配的资源块位置与第一资源块集合中资源块的第一频域位置对应,所述第一资源块集合中资源块的 第一频域位置为第二资源块集合中资源块的第二频域位置移位后的频域位置,其中M为正整数。
- 根据权利要求46所述的接入网设备,其特征在于,所述移位为循环移位,所述第一指示信息满足以下之一:所述第一指示信息用于向所述终端设备指示所述第二资源块集合中资源块的第二频域位置和所述循环移位的移位值T,其中T为整数;所述第一指示信息用于指示所述第一资源块集合中资源块的第一频域位置。
- 根据权利要求46或47所述的接入网设备,其特征在于,所述第一资源块集合满足:所述第一资源块集合中第k个资源块的频域位置和M个资源块的频域位置对应,所述第一资源块集合中第k个资源块的频域位置fk对应的第m个资源块为所述M个基础资源单元中的第m个基础资源单元中频域位置为(fk+Δm)的资源块,其中,Δm为与第m个基础资源单元对应的资源映射参考值,k、m均为正整数,Δm为整数,1<k≤K,1<m≤K,K为所述一个基础资源单元包括的资源块个数。
- 根据权利要求48所述的接入网设备,其特征在于,在(fk+Δm)>K时,所述第一资源块集合中第k个资源块的频域位置fk对应的所述第m个基础资源单元中的资源块为频域位置(fk+Δm)在所述第m个基础资源单元中循环移位后的频域位置对应的资源块。
- 根据权利要求46或47所述的接入网设备,其特征在于,所述第一资源块集合满足:所述第一资源块集合中第x个资源块的频域位置和M个资源块的频域位置对应,所述M个资源块分别为所述M个基础资源单元中每个基础资源单元中和所述第x个资源块的频域位置相同的资源块其中,x正整数,1<x≤K,K为所述一个基础资源单元包括的资源块个数。
- 根据权利要求46-50任一项所述的接入网设备,其特征在于,所述第二资源块集合为参考资源块集合组中的第一类型的资源块集合,所述参考资源 块集合组包括至少一个参考资源块集合,所述第一类型的资源块集合包括L个资源块组,所述资源块组为一个资源块,或者为频域上相邻的至少两个资源块,所述L个资源块组中的各资源块块组之间在频域上互不相邻;其中,L、P1、P2、V1、V2及K均为正整数,L≥2,P1≥1,P2=L-P1,K为所述一个基础资源单元包括的资源块个数。
- 根据权利要求51所述的接入网设备,其特征在于,按频域增序,所述L个资源块组中前P1个资源块组各自包括的资源块的个数均为M1,所述L个资源块组中后P2个资源块组各自包括的资源块的个数均为M2,其中,M1>M2,M1和M2均为正整数。
- 根据权利要求52所述的接入网设备,其特征在于,若所述L个资源块组中包括的资源块的总数为奇数,则M1-M2=1。
- 根据权利要求55所述的接入网设备,其特征在于,按频域增序,所述L个资源块组中前P3个资源块组各自包括的资源块的个数均为M3,所述L个资源块组中后P4个资源块组各自包括的资源块的个数均为M4,其中,M3和M4均为正整数,P3≥3,P4=L-P3,M3>M4。
- 根据权利要求46所述的接入网设备,其特征在于,所述第一频域位置为第二资源块集合中资源块的第二频域位置循环移位后的频域位置,包括:所述第一资源块集合中第t个资源块的频域位置对应一个基础资源单元中的第U1个资源块,所述第二资源块集合中第t个资源块的频域位置对应所述第i个基础资源单元中的第U2个资源块,满足U1=mod(t1,K),U2=mod(U1+T,K),其中,T为所述循环移位的移位值,K为一个基础资源单元所包括的资源块的 个数,t1、t2、U2、T为大于0的正整数。
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US10750482B2 (en) * | 2017-08-11 | 2020-08-18 | Mediatek Singapore Pte. Ltd. | Uplink control channel design for high reliability transmission in mobile communications |
CN113141241B (zh) * | 2020-01-19 | 2022-01-25 | 上海朗帛通信技术有限公司 | 一种被用于无线通信的节点中的方法和装置 |
CN113473604A (zh) * | 2020-03-30 | 2021-10-01 | 维沃移动通信有限公司 | 一种资源选择方法及设备 |
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