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WO2018171606A1 - 接收数据的方法及其装置和发送数据的方法及其装置 - Google Patents

接收数据的方法及其装置和发送数据的方法及其装置 Download PDF

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Publication number
WO2018171606A1
WO2018171606A1 PCT/CN2018/079723 CN2018079723W WO2018171606A1 WO 2018171606 A1 WO2018171606 A1 WO 2018171606A1 CN 2018079723 W CN2018079723 W CN 2018079723W WO 2018171606 A1 WO2018171606 A1 WO 2018171606A1
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WO
WIPO (PCT)
Prior art keywords
time domain
domain resource
control information
time
terminal device
Prior art date
Application number
PCT/CN2018/079723
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English (en)
French (fr)
Inventor
马蕊香
吕永霞
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP18771234.4A priority Critical patent/EP3592072B1/en
Publication of WO2018171606A1 publication Critical patent/WO2018171606A1/zh
Priority to US16/576,841 priority patent/US10932251B2/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/08Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867Arrangements specially adapted for the transmitter end
    • H04L1/1896ARQ related signaling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signalling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/53Allocation or scheduling criteria for wireless resources based on regulatory allocation policies

Definitions

  • the present application relates to the field of communications, and more particularly to a method of receiving data and apparatus therefor, and a method of transmitting data and apparatus therefor.
  • 5G mobile communication systems need to support enhanced mobile broadband (eMBB) services, ultra reliable and low latency communications (URLLC) services, and mass machine type communications (mMTC) services. .
  • eMBB enhanced mobile broadband
  • URLLC ultra reliable and low latency communications
  • mMTC mass machine type communications
  • Typical URLLC services include wireless control in industrial manufacturing or production processes, motion control for driverless and drones, and tactile interaction applications such as remote surgery.
  • the main features of these services are ultra-high reliability and low latency. At the time, the amount of transmitted data is small and bursty.
  • the URLLC service requires extremely high latency.
  • the transmission delay is required to be within 0.5 milliseconds (millisecond, ms).
  • the transmission delay is required to be within 1 ms.
  • the present application provides a method for receiving data, a device thereof, and a method for transmitting data and an apparatus thereof, which can meet the requirements of high reliability and low latency of services.
  • a first aspect, a method for receiving data includes: receiving, by a terminal device, first control information on a first time unit, where the first control information indicates a first time domain resource used to send the first information block; Receiving, by the terminal device, the first information block on at least part of resources of the first time domain resource according to the first control information; the terminal device receiving second control information on a second time unit, where The second control information indicates a second time domain resource for transmitting the first information block; the terminal device receives the first information block on the second time domain resource according to the second control information;
  • the first time unit is different from the second time unit, and the first time domain resource and the second time domain resource have overlapping time domain resources.
  • the terminal device can still receive the first information block sent by the network device on the overlapping time domain resources according to the received second control information. Therefore, the method provided by the embodiment of the present application can improve the reliability of service transmission.
  • the second time domain resource is a true subset of the first time domain resource.
  • the part of the second time domain resource and the first time domain resource overlapping in the time domain is actually the second time domain resource itself.
  • the first time domain resource is a subset of the second time domain resource.
  • the first time domain resource may completely overlap with the second time domain resource in the time domain, and the first time domain resource may also be a true subset of the second time domain resource.
  • the total number of transmissions of the first information block is N
  • the first control information indicates that the terminal device is in the Receiving, by the Sth time, the first information block on the first time unit; and/or the second control information instructing the terminal device to receive the first information block L times on the second time unit,
  • 1 ⁇ S ⁇ N, 1 ⁇ L ⁇ N, and S, L, and N are integers.
  • the first control information indicates that the total number of transmissions of the first information block is P; and/or the The second control information indicates that the total number of transmissions of the first information block is Q, where 1 ⁇ P ⁇ N, 1 ⁇ Q ⁇ N, and P, Q, and N are integers.
  • the first control information indicates an RV version used by the first information block received on the first time domain resource.
  • the second control information indicates an RV version used by the first information block received on the second time domain resource.
  • the first control information indicates a modulation and coding scheme used by the first information block received on the first time domain resource.
  • the second control information indicates a modulation and coding scheme used by the first information block received on the second time domain resource.
  • the method includes: the network device sends first control information to the terminal device, where the first control information indicates that the terminal device separately receives the first information block on the N time units, where, Is a positive integer.
  • the method includes: the network device sends an i th control information of the N pieces of control information to the terminal device, where the i th control information indicates that the terminal device receives the first time unit on the i time units.
  • An information block wherein N is a positive integer, 1 ⁇ i ⁇ N, and N is a positive integer.
  • the method includes: the network device sends an i th control information of the M pieces of control information to the terminal device, where the i th control information indicates that the terminal device is the first in the k time units.
  • the time-frequency resource receives the first information block, and the network device sends, to the terminal device, the jth control information of the M pieces of control information, where the jth control information indicates that the terminal device receives the second time-frequency resource of the k time units.
  • a first information block wherein the kth time unit comprises a first time-frequency resource and a second time-frequency resource; wherein N is a positive integer, 1 ⁇ i ⁇ j ⁇ k ⁇ N, and N is a positive integer.
  • a second aspect provides a method for transmitting data, including: the network device transmitting first control information to the terminal device on a first time unit, where the first control information indicates a first used to send the first information block The first information block is sent to the terminal on a part of the resources of the first time domain resource; the network device sends the second control information to the terminal device on the second time unit, The second control information indicates a second time domain resource for transmitting the first information block; the network device sends the second information block to the terminal device on the second time domain resource; The first time unit is different from the second time unit, and the first time domain resource and the second time domain resource have overlapping time domain resources.
  • the second time domain resource is a true subset of the first time domain resource.
  • the first time domain resource is a subset of the second time domain resource.
  • the total number of transmissions of the first information block is N
  • the first control information indicates that the terminal device is in the Receiving, by the Sth time, the first information block on the first time unit; and/or the second control information instructing the terminal device to receive the first information block L times on the second time unit
  • 1 ⁇ S ⁇ N, 1 ⁇ L ⁇ N, and S, L, and N are integers.
  • the first control information indicates that the total number of transmissions of the first information block is P; and/or the The second control information indicates that the total number of transmissions of the first information block is Q, where 1 ⁇ P ⁇ N, 1 ⁇ Q ⁇ N, and P, Q, and N are integers.
  • a third aspect provides a terminal device, a method for executing the foregoing terminal device, and specifically, the network device may include a module for performing corresponding steps of the foregoing network device.
  • the network device may include a module for performing corresponding steps of the foregoing network device.
  • a processing module for example, a transmitting module, a receiving module, and the like.
  • a fourth aspect provides a network device, a method for the foregoing network device, and specifically, the terminal device may include a module for performing corresponding steps of the foregoing terminal device.
  • the terminal device may include a module for performing corresponding steps of the foregoing terminal device.
  • a processing module for example, a transmitting module, a receiving module, and the like.
  • a terminal device comprising a memory and a processor for storing a computer program for calling and running the computer program from the memory, such that the terminal device executes the method of the terminal device described above.
  • a network device comprising a memory and a processor for storing a computer program for calling and running the computer program from a memory, such that the network device performs the method of the network device described above.
  • a computer readable storage medium having instructions stored therein that, when executed on a computer, cause the computer to perform the methods described in the above aspects.
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the methods described in the various aspects above.
  • the method provided by the embodiment of the present application can improve the reliability of service transmission.
  • FIG. 1 is a schematic diagram of a wireless communication system applied to an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a network device in a wireless communication system.
  • FIG. 3 is a schematic structural diagram of a terminal device in a wireless communication system.
  • FIG. 4 is a diagram showing an interaction diagram of data transmission in the method of the embodiment of the present application.
  • Figure 5 shows a schematic diagram of a method of one embodiment of the present application.
  • Figure 6 shows a schematic diagram of a method of one embodiment of the present application.
  • Figure 7 shows a schematic diagram of a method of one embodiment of the present application.
  • Figure 8 shows a schematic diagram of a method of one embodiment of the present application.
  • Figure 9 shows a schematic diagram of a method of one embodiment of the present application.
  • Figure 10 shows a schematic diagram of a method of one embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a terminal device 1100 according to an embodiment of the present application.
  • FIG. 12 shows a schematic block diagram of a network device 1200 in an embodiment of the present application.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • LTE-A advanced long term evolution
  • UMTS universal mobile telecommunication system
  • 5G next-generation communication system
  • D2D device to device
  • M2M machine to machine
  • MTC machine type communication
  • V2V vehicle to vehicle
  • the embodiments of the present application describe various embodiments in combination with a sending device and a receiving device, where the sending device may be one of a network device and a terminal device, and the receiving device may be the other one of the network device and the terminal device, for example, in the present application.
  • the sending device may be a network device, and the receiving device may be a terminal device; or the sending device may be a terminal device, and the receiving device may be a network device.
  • a terminal device may also be called a user equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, and a user. Agent or user device.
  • UE user equipment
  • the terminal device may be a station (STA) in a wireless local area network (WLAN), and may be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, or a wireless local loop (wireless local Loop, WLL) station, personal digital assistant (PDA) device, handheld device with wireless communication capabilities, computing device or other processing device connected to a wireless modem, in-vehicle device, wearable device, and next-generation communication system, For example, a terminal device in a fifth-generation (5G) communication network or a terminal device in a public land mobile network (PLMN) network that is evolving in the future.
  • 5G fifth-generation
  • PLMN public land mobile network
  • the terminal device may also be a wearable device.
  • a wearable device which can also be called a wearable smart device, is a general term for applying wearable technology to intelligently design and wear wearable devices such as glasses, gloves, watches, clothing, and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are more than just a hardware device, but they also implement powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-size, non-reliable smartphones for full or partial functions, such as smart watches or smart glasses, and focus on only one type of application, and need to work with other devices such as smartphones. Use, such as various smart bracelets for smart signs monitoring, smart jewelry, etc.
  • the network device may be a device for communicating with the mobile device, and the network device may be an access point (AP) in the WLAN, a Base Transceiver Station (BTS) in GSM or CDMA, or may be in WCDMA.
  • AP access point
  • BTS Base Transceiver Station
  • a base station (NodeB, NB) which may also be an evolved Node B (eNB or eNodeB) in LTE, or a relay station or an access point, or an in-vehicle device, a wearable device, and a network device in a future 5G network or a future Network devices and the like in an evolved PLMN network.
  • eNB evolved Node B
  • eNodeB evolved Node B
  • the network device provides a service for the cell
  • the terminal device communicates with the network device by using a transmission resource (for example, a frequency domain resource, or a spectrum resource) used by the cell.
  • the cell may be a cell corresponding to a network device (for example, a base station), and the cell may belong to a macro base station or a base station corresponding to a small cell, where the small cell may include: a metro cell and a micro cell ( Micro cell), Pico cell, Femto cell, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • the method and apparatus provided by the embodiments of the present application may be applied to a terminal device or a network device, where the terminal device or the network device includes a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer.
  • the hardware layer includes hardware such as a central processing unit (CPU), a memory management unit (MMU), and a memory (also referred to as main memory).
  • the operating system may be any one or more computer operating systems that implement business processing through a process, such as a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a Windows operating system.
  • the application layer includes applications such as browsers, contacts, word processing software, and instant messaging software.
  • the specific structure of the execution body of the method for transmitting a signal is not particularly limited as long as the program of the code for recording the method of transmitting the signal of the embodiment of the present application is executed.
  • the method for transmitting a signal according to the embodiment of the present application may be performed.
  • the execution body of the method for wireless communication in the embodiment of the present application may be a terminal device or a network device, or may be a terminal device or a network device capable of calling a program and The functional module that executes the program.
  • a computer readable medium may include, but is not limited to, a magnetic storage device (eg, a hard disk, a floppy disk, or a magnetic tape, etc.), such as a compact disc (CD), a digital versatile disc (DVD). Etc.), smart cards and flash memory devices (eg, erasable programmable read-only memory (EPROM), cards, sticks or key drivers, etc.).
  • a magnetic storage device eg, a hard disk, a floppy disk, or a magnetic tape, etc.
  • CD compact disc
  • DVD digital versatile disc
  • Etc. smart cards and flash memory devices (eg, erasable programmable read-only memory (EPROM), cards, sticks or key drivers, etc.).
  • various storage media described herein can represent one or more devices and/or other machine-readable media for storing information.
  • the term "machine-readable medium” may include, without limitation, a wireless channel and various other mediums capable of storing, containing, and/or carrying instructions and/or data.
  • the embodiment of the present application provides a method for transmitting data and a method for receiving data, and corresponding network devices and terminal devices.
  • FIG. 1 is a schematic diagram of a wireless communication system applied to an embodiment of the present application.
  • the wireless communication system 100 includes a network device 102, which may include one antenna or multiple antennas, such as antennas 104, 106, 108, 110, 112, and 114. Additionally, network device 102 may additionally include a transmitter chain and a receiver chain, as will be understood by those of ordinary skill in the art, which may include multiple components related to signal transmission and reception (eg, processor, modulator, multiplexer) , demodulator, demultiplexer or antenna, etc.).
  • Network device 102 can communicate with a plurality of terminal devices, such as terminal device 116 and terminal device 122. However, it will be appreciated that network device 102 can communicate with any number of terminal devices similar to terminal device 116 or terminal device 122.
  • Terminal devices 116 and 122 may be, for example, cellular telephones, smart phones, portable computers, handheld communication devices, handheld computing devices, satellite radios, global positioning systems, PDAs, and/or any other suitable for communicating over wireless communication system 100. device.
  • terminal device 116 is in communication with antennas 112 and 114, wherein antennas 112 and 114 transmit information to terminal device 116 over a forward link (also referred to as downlink) 118 and through the reverse link (also Information referred to as uplink 120 receives information from terminal device 116.
  • terminal device 122 is in communication with antennas 104 and 106, wherein antennas 104 and 106 transmit information to terminal device 122 over forward link 124 and receive information from terminal device 122 over reverse link 126.
  • forward link 118 can use a different frequency band than reverse link 120, and forward link 124 can be used differently than reverse link 126. Frequency band.
  • FDD frequency division duplex
  • the forward link 118 and the reverse link 120 can use a common frequency band, a forward chain.
  • the path 124 and the reverse link 126 can use a common frequency band.
  • Each antenna (or set of antennas consisting of multiple antennas) and/or regions designed for communication is referred to as a sector of network device 102.
  • the antenna group can be designed to communicate with terminal devices in sectors of the network device 102 coverage area.
  • the network device can transmit signals to all of the terminal devices in its corresponding sector through a single antenna or multiple antenna transmit diversity.
  • the transmit antenna of network device 102 may also utilize beamforming to improve the signal to noise ratio of forward links 118 and 124.
  • the network device 102 utilizes beamforming to transmit signals to the randomly dispersed terminal devices 116 and 122 in the associated coverage area, as compared to the manner in which the network device transmits signals to all of its terminal devices through single antenna or multi-antenna transmit diversity, Mobile devices in neighboring cells are subject to less interference.
  • network device 102, terminal device 116, or terminal device 122 may be a wireless communication transmitting device and/or a wireless communication receiving device.
  • the wireless communication transmitting device can encode the data for transmission.
  • the wireless communication transmitting device may acquire (eg, generate, receive from other communication devices, or store in memory, etc.) a certain number of data bits to be transmitted over the channel to the wireless communication receiving device.
  • Such data bits may be included in a transport block (or multiple transport blocks) of data that may be segmented to produce multiple code blocks.
  • the communication system 100 can be a PLMN network or a D2D network or an M2M network or other network.
  • FIG. 1 is only a simplified schematic diagram of an example, and other network devices may also be included in the network, which are not shown in FIG.
  • FIG. 2 is a schematic structural diagram of a network device in the above wireless communication system.
  • the network device is capable of performing the method for transmitting data provided by the embodiment of the present application.
  • the network device includes a processor 201, a receiver 202, a transmitter 203, and a memory 204.
  • the processor 201 can be communicatively coupled to the receiver 202 and the transmitter 203.
  • the memory 204 can be used to store program code and data for the network device. Therefore, the memory 204 may be a storage unit inside the processor 201, or may be an external storage unit independent of the processor 201, or may be a storage unit including the processor 201 and an external storage unit independent of the processor 201. component.
  • the network device may further include a bus 205.
  • the receiver 202, the transmitter 203, and the memory 204 may be connected to the processor 201 via a bus 205;
  • the bus 205 may be a Peripheral Component Interconnect (PCI) bus or an extended industry standard structure (Extended Industry Standard) Architecture, EISA) bus, etc.
  • PCI Peripheral Component Interconnect
  • EISA Extended Industry Standard Architecture
  • the bus 205 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 2, but it does not mean that there is only one bus or one type of bus.
  • the processor 201 can be, for example, a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), and a field programmable gate. Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the receiver 202 and the transmitter 203 may be circuits including the above-described antenna and transmitter chain and receiver chain, which may be independent circuits or the same circuit.
  • FIG. 3 is a schematic structural diagram of a terminal device in the above wireless communication system.
  • the terminal device is capable of performing the data receiving method provided by the embodiment of the present application.
  • the terminal device may include a processor 301, a receiver 302, a transmitter 303, and a memory 304.
  • the processor 301 can be communicatively coupled to the receiver 302 and the transmitter 303.
  • the terminal device may further include a bus 305, and the receiver 302, the transmitter 303, and the memory 304 may be connected to the processor 301 via the bus 305.
  • the bus 305 may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus or the like.
  • PCI Peripheral Component Interconnect
  • EISA Extended Industry Standard Architecture
  • the bus 305 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 3, but it does not mean that there is only one bus or one
  • the memory 304 can be used to store program code and data for the terminal device. Therefore, the memory 304 may be a storage unit inside the processor 301, or may be an external storage unit independent of the processor 301, or may be a storage unit including the processor 301 and an external storage unit independent of the processor 201. component. Receiver 302 and transmitter 303 can be separate circuits or the same circuit.
  • the information block may be a transport block (TB), a code block (CB), and a code block group (CBG), where the CB includes a set of information bits, where The group information bits are used together for primary channel coding, or the group of information bits are channel-coded together by the transmitting device, corresponding to one channel-coded bit block;
  • the CBG includes at least one coding block, which may include multiple coding blocks;
  • At least one CB may also include at least one CBG, which is not limited in this application.
  • the time-frequency resource includes one or more time units in the time domain, where each time unit may include one or more time domain symbols, and may also include one or more slots. It may also include one or more mini-slots, or one or more sub-frames. If the first time-frequency resource includes multiple time units, the multiple time units may be continuous or discrete, which is not limited in this application.
  • the time domain symbol may be an orthogonal frequency division multiplexing (OFDM) symbol, or may be a single-carrier frequency-division multiplexing (SC-FDM) symbol.
  • OFDM orthogonal frequency division multiplexing
  • SC-FDM single-carrier frequency-division multiplexing
  • the time-frequency resource occupies a certain bandwidth in the frequency domain, and the bandwidth may be one or more physical resource blocks (PRBs), and may be one or more physical resource block groups (physical resource blocks). Block group, PRBG), can be one or more subbands.
  • PRBs physical resource blocks
  • Block group, PRBG can be one or more subbands.
  • the first time-frequency resource includes multiple time domain units, the size and location of the frequency domain resources on each time domain unit may be the same or different.
  • the network device may schedule downlink transmission of the terminal device by performing frequency domain resource frequency hopping on different time domain units.
  • FIG. 4 is a diagram showing an interaction diagram of data transmission in the method of the embodiment of the present application. As shown in FIG. 4, the method includes the following steps.
  • Step 401 The network device sends first control information to the terminal device on the first time unit, where the terminal device receives the first control information, where the first control information indicates that the first information block is sent.
  • One-time domain resources One-time domain resources.
  • the first control information may be carried in the first control channel, and the network device is configured to send the first control information to the terminal device by using the first control channel.
  • the first control channel may be a downlink downlink control channel (PDCCH) or another downlink channel for carrying physical layer control information, and the first control information may be downlink control information (DCI).
  • PDCCH downlink downlink control channel
  • DCI downlink control information
  • the first control information is used to schedule transmission of the first information block in the first time-frequency resource
  • the terminal device is configured to receive, according to the first control information, the first information block in the first time-frequency resource, the first control information.
  • the method includes at least: transmission resource indication information of the first information block in the first time-frequency resource, a HARQ process number index of the first information block in the first time-frequency resource, and a first information block in the first time-frequency resource.
  • MCS Modulation and Coding Scheme
  • the redundancy version information of the first information block in the first time-frequency resource, and the indication information of the first information block in the first time-frequency resource, which is the newly transmitted data, are not limited in this application.
  • the first control information is used to schedule one or more transmissions of the first information block on the first time domain resource.
  • Step 402 The network device sends the first information to the terminal device on a part of the resources of the first time domain resource.
  • the terminal device sends the first information on the part of the first time domain resource according to the first control information received in step 401.
  • Step 403 The network device sends second control information to the terminal device on the second time unit, where the terminal device receives the second control information, where the second control information indicates that the first information block is sent. Two time domain resources.
  • the second control information may be carried in the first control channel, and the network device is configured to send the second control information to the terminal device by using the second control channel.
  • the first time unit is different from the second time unit, and the first time domain resource and the second time domain resource include the third time domain resource, that is, the first time domain resource and the second time domain resource include overlapping time.
  • the domain resource, or the first time domain resource and the second time domain resource have the same time domain resource, wherein the time domain resource in which the first time domain resource and the second time domain resource overlap are the foregoing third time domain resource.
  • each PDCCH is transmitted using one or more control channel elements (CCEs).
  • CCEs control channel elements
  • the number of CCEs used by one PDCCH is called the aggregation level of the CCE.
  • the aggregation level n of a CCE can be 1, 2, 4, 8.
  • different PDCCHs may use different CCE aggregation levels n, and one CCE generally includes 36 resource elements (REs). Therefore, it should be understood that, in the embodiment of the present application, the aggregation levels of the first control channel and the second control channel may be the same or different, and the application is not limited.
  • Step 404 The network device sends a first information block to the terminal device on the second time domain resource, where the terminal device receives the first information block on the second time domain resource according to the second control information.
  • the terminal device can still receive the first information block sent by the network device on the third time domain resource according to the received second control information. Therefore, the method provided by the embodiment of the present application can improve the reliability of service transmission.
  • FIG. 5 is a schematic diagram showing the method of an embodiment of the present application.
  • the network device needs to schedule N times of transmission of the first information block on the N time units, and the network device sends the first PDCCH on the ith time unit, where the first PDCCH is used to indicate the first time domain.
  • a transmission of the first information block of the resource where the first time domain resource includes the ith to the Nth time unit; the network device sends the second PDCCH on the jth time unit, where the second PDCCH is used to indicate Transmission of a first information block of a second time domain resource, wherein the first time domain resource includes a jth to Ns time unit; further, an overlapping time domain resource portion of the first time domain resource and the second time domain resource
  • the overlapping time domain resource portion includes the jth to Nkth time units, wherein 1 ⁇ i ⁇ j ⁇ k ⁇ s ⁇ N, i,j,s,k are integers.
  • the network device sends M PDCCHs to the terminal device, where 1 ⁇ M ⁇ N, the M PDCCHs may be respectively carried in M time units in the N time units shown in FIG. 5, the present application Not limited.
  • the terminal device receives, by the ith time unit, the first PDCCH, and then receiving, according to the first PDCCH, the first information block located in the ith to j-1th time unit, where the i th to j-1 time units are a time domain resource other than the overlapped time domain resource in the first time domain resource; the terminal device receives the second PDCCH in the jth time unit, and then receives the first information of the second time domain resource according to the second PDCCH Block, and so on. If the terminal device does not receive the PDCCH in a certain time unit, the first information block is connected according to the last PDCCH located before the time unit. That is, the terminal device always receives the information block according to the received last PDCCH.
  • the second time domain resource is a true subset of the first time domain resource. That is to say, the part of the second time domain resource and the first time domain resource overlapping in the time domain is actually the second time domain resource itself.
  • FIG. 6 shows a schematic diagram of a method of an embodiment of the present invention.
  • the network device sends M PDCCHs to the terminal device, for example, the first PDCCH is located in the first time unit, where the first PDCCH is used to indicate the transmission of the first information block of the first time domain resource, where The first time domain resource includes the first to the Nth time unit; the second PDCCH is located in the second time unit, where the second PDCCH is used to indicate the transmission of the first information block of the second time domain resource, where the second time
  • the domain resource includes the second to Nth time units, where 1 ⁇ M ⁇ N.
  • the terminal device receives the first PDCCH in the first time unit, receives the first information block that is carried in the first time domain according to the first PDCCH, and the terminal device receives the second PDCCH in the second time unit, and receives the bearer according to the second PDCCH.
  • the first information block in the second time domain resource and so on.
  • the network device sends M PDCCHs to the terminal device, and the i th PDCCH of the M is used to invoke the first information on the i th time unit and the subsequent i+1th to nth time units.
  • the transmission of the block therefore, even if one or more PDCCHs are lost, it is still possible for the network device to receive the first information block on the i-th to n-th time units according to other PDCCHs.
  • M and N may be equal or not equal.
  • M is less than N, the number of PDCCHs transmitted by the network device is reduced, which is beneficial to save network overhead.
  • the first time domain resource is a subset of the second time domain resource.
  • the first time domain resource may completely overlap with the second time domain resource in the time domain, and the first time domain resource may also be a true subset of the second time domain resource.
  • the second control information can also schedule the transmission of the first information block located before the time unit in the time domain.
  • the second control information may also be used to schedule the first information block transmission of the time domain resource in the time domain before or after the second time unit, which is not limited in this application.
  • Figure 7 shows a schematic diagram of a method of an embodiment of its own.
  • the network device sends M PDCCHs to the terminal device, for example, the first PDCCH is located in a first time unit, where the first PDCCH is used to indicate transmission of the first information block of the first time domain resource, where The first time domain resource includes a first to an Nth time unit; the second PDCCH is located in an ith time unit, where the second PDCCH is used to indicate transmission of the first information block of the second time domain resource, where the second The time domain resource includes the 1st to Nth time units, and the overlapping time domain resources also include the ith to Nth time units, where 1 ⁇ M ⁇ N.
  • the terminal device receives the first PDCCH in the first time unit, and receives the first information block located in the first time domain resource according to the first PDCCH; the terminal device receives the second PDCCH in the second time unit, and receives the second PDCCH according to the second PDCCH. a first information block on the second time domain resource, and decoding and decoding the first information block on the first time-frequency resource according to the second PDCCH, and so on.
  • the network device sends M PDCCHs to the terminal device, and the i-th PDCCH of the M PDCCHs can not only invoke the first of the i-th time unit and the subsequent i+1th to Nth time units.
  • the transmission of the information block can also call the transmission of the first information block on the 1st to the i-1th time units, so even if one or more PDCCHs are lost, the network device can still receive the first PDCCH according to other PDCCHs. i to the first information block on the nth time unit.
  • M and N may be equal or not equal.
  • M is less than N, the number of PDCCHs transmitted by the network device is reduced, which is beneficial to save network overhead.
  • the total number of transmissions of the first information block is N
  • the first control information indicates that the terminal device receives the first time on the first time unit.
  • the first control information may indicate that the first time unit receives the first information block, the behavior is the first transmission in the N times of transmission; the second control information may indicate that the second time unit receives the first information block.
  • the behavior is the first transmission in N transmissions.
  • the first control information indicates that the total number of transmissions of the first information block is P; and/or the second control information indicates a total transmission of the first information block.
  • the number of times is Q, where 1 ⁇ P ⁇ N, 1 ⁇ Q ⁇ N, and P, Q, and N are integers.
  • the first control information may include the total number of transmissions of the first information block scheduled by the first control information; and the second control information may include the total number of transmissions of the first information block scheduled by the second control information.
  • the first control information indicates a redundancy version (RV) used by the first information block received on the first time domain resource.
  • RV redundancy version
  • the second control information indicates an RV used by the first information block received on the second time domain resource.
  • the first control information indicates a modulation and coding scheme used by the first information block received on the first time domain resource.
  • the second control information indicates a modulation and coding scheme used by the first information block received on the second time domain resource.
  • FIG. 4 is a schematic flowchart of a method in an embodiment of the embodiment of the present application. It should be understood that FIG. 4 illustrates detailed communication steps or operations of the method, but these steps or operations are merely examples, and other embodiments of the present application may also perform other operations or variations of the various operations in FIG. Moreover, the various steps in FIG. 4 may be performed in a different order than that presented in FIG. 4, and it is possible that not all operations in FIG. 4 are to be performed.
  • the method includes: the network device sends first control information to the terminal device, where the first control information indicates that the terminal device separately receives the first information block on the N time units, where, Is a positive integer.
  • the network device sends one PDCCH to the terminal device.
  • the first PDCCH is located in the first time unit, where the first PDCCH is used to indicate the transmission of the first information block of the first time domain resource, where The first time domain resource includes the 1st to Nth time units.
  • the terminal device receives the first PDCCH in the first time unit, and receives the first information block located in the first time domain resource according to the first PDCCH.
  • the network device sends one PDCCH to the terminal device, and the PDCCH can schedule N transmissions of the first information block on the first to Nth time units.
  • the method includes: the network device sends an i th control information of the N pieces of control information to the terminal device, where the i th control information indicates that the terminal device receives the first time unit on the i time units.
  • An information block wherein N is a positive integer, 1 ⁇ i ⁇ N, and N is a positive integer.
  • the network device sends N PDCCHs to the terminal device, for example, the first PDCCH is located in a first time unit, where the first PDCCH is used to indicate transmission of the first information block of the first time domain resource, where The first time domain resource includes a first time unit; the second PDCCH is located in a first time unit, where the second PDCCH is used to indicate transmission of the first information block of the second time domain resource, where the second time domain resource includes One time unit, that is, the i th PDCCH of the N PDCCHs is used to schedule transmission of the first information block on the ith time unit.
  • the terminal device receives the i th PDCCH in the i th time unit, and receives the first information block located in the i th time unit according to the i th PDCCH.
  • the transmission of the first information block on each time unit corresponds to one PDCCH, even if one or more PDCCHs are lost, the other PDCCHs are not affected to indicate that the terminal device receives the corresponding data information.
  • the method includes: the network device sends an i th control information of the M pieces of control information to the terminal device, where the i th control information indicates that the terminal device is the first in the k time units.
  • the time-frequency resource receives the first information block, and the network device sends, to the terminal device, the jth control information of the M pieces of control information, where the jth control information indicates that the terminal device receives the second time-frequency resource of the k time units.
  • a first information block wherein the kth time unit comprises a first time-frequency resource and a second time-frequency resource; wherein N is a positive integer, 1 ⁇ i ⁇ j ⁇ k ⁇ N, and N is a positive integer.
  • the terminal device receives the first information block on the second time-frequency resource of the k-th time unit according to the j-th control information.
  • the network device sends two PDCCHs to the terminal device.
  • the nth PDCCH is located in the nth time unit, and the nth PDCCH is used to indicate time frequency resource 1, time frequency resource 2, and time frequency resource.
  • the transmission of the first information block; the n+1th PDCCH is located in the (n+1)th time unit, the n+1th PDCCH is used to indicate the first information block on the time-frequency resource 2' and the time-frequency resource 3' Transmission; wherein the time-frequency resource 2 and the time-frequency resource 2' are located in the same time unit, that is, the (n+1)th time unit, the time-frequency resource 3 and the time-frequency resource 3' are located in the same time unit, that is, the n+th 2 time unit, where n is a positive integer.
  • the terminal device receives the nth PDCCH in the nth time unit, receives the first information block located on the time-frequency resource 1 of the nth time unit according to the nth PDCCH, and then at the n+1th time unit Receiving the (n+1)th PDCCH, and receiving the first information block of the time-frequency resource 2' and the time-frequency 3' located in the (n+1)th and n+2th time units according to the (n+1)th PDCCH.
  • the transmission of the first information block on each time unit corresponds to one PDCCH, even if one or more PDCCHs are lost, the other PDCCHs are not affected to indicate that the terminal device receives the corresponding data information.
  • FIG. 11 is a schematic block diagram of a terminal device 1100 according to an embodiment of the present application.
  • Each module in the terminal device 1100 is used to perform each action or process performed by the terminal device in the foregoing method.
  • the description can be referred to the description above.
  • the terminal device 1100 includes: a communication module and a processing module, wherein the processing module is configured to control a signal received and sent by the communication module,
  • the communication module is configured to receive first control information on a first time unit, where the first control information indicates a first time domain resource used to send the first information block, and the communication module is further configured to: Receiving, by the terminal device, the first information block on at least part of the resources of the first time domain resource according to the first control information; the communication module is further configured to: receive, by the terminal device, a second time unit Second control information, the second control information indicating a second time domain resource for transmitting the first information block; the communication module is further configured to: the terminal device according to the second control information Receiving, by the second time domain resource, the first information block; wherein the first time unit is different from the second time unit, the first time domain resource and the second time domain resource have overlapping time domain resources .
  • the second time domain resource is a true subset of the first time domain resource.
  • the first time domain resource is a subset of the second time domain resource.
  • the total number of transmissions of the first information block is N
  • the first control information indicates that the terminal device receives the first information block on the first time unit on the first time unit
  • the second control information indicates that the terminal device receives the first information block for the Lth time on the second time unit, where 1 ⁇ S ⁇ N, 1 ⁇ L ⁇ N, S, L, N are Integer.
  • the first control information indicates that the total number of transmissions of the first information block is P; and/or the second control information indicates that the total number of transmissions of the first information block is Q, where, ⁇ P ⁇ N, 1 ⁇ Q ⁇ N, and P, Q, and N are integers.
  • processing module in this embodiment may be implemented by 301 in FIG. 4, and the communication module in this embodiment may be implemented by the receiver 302 and the transmitter 303 in FIG.
  • FIG. 12 is a schematic block diagram of a network device 1200 according to an embodiment of the present application.
  • Each module in the network device 1200 is configured to perform various actions or processes performed by the network device in the foregoing method.
  • the description can be referred to the description above.
  • the terminal device may include: a communication module and a processing module, wherein the processing module is configured to control a signal received and sent by the communication module, and the communication module is configured to send, to the terminal device, a first time unit First control information, the first control information indicating a first time domain resource for transmitting the first information block; the communication module is further configured to: send the terminal to the terminal on a part of resources of the first time domain resource And the communication module is configured to: send, by the network device, second control information to the terminal device on a second time unit, where the second control information is used to send the first a second time domain resource of the information block; the communication module is configured to: send, by the network device, the second information block to the terminal device on the second time domain resource; wherein, the first time The unit is different from the second time unit, and the first time domain resource and the second time domain resource have overlapping time domain resources.
  • the processing module is configured to control a signal received and sent by the communication module
  • the communication module is configured to send, to the terminal device,
  • the second time domain resource is a true subset of the first time domain resource.
  • the first time domain resource is a subset of the second time domain resource.
  • the total number of transmissions of the first information block is N
  • the first control information indicates that the terminal device receives the first information block on the first time unit on the first time unit
  • the second control information indicates that the terminal device receives the first information block for the Lth time on the second time unit, where 1 ⁇ S ⁇ N, 1 ⁇ L ⁇ N, S, L, N are Integer.
  • the first control information indicates that the total number of transmissions of the first information block is P; and/or the second control information indicates that the total number of transmissions of the first information block is Q, where, ⁇ P ⁇ N, 1 ⁇ Q ⁇ N, and P, Q, and N are integers.
  • processing module in this embodiment may be implemented by 301 in FIG. 4, and the communication module in this embodiment may be implemented by the receiver 302 and the transmitter 303 in FIG.
  • processing module in this embodiment may be implemented by 301 in FIG. 4, and the communication module in this embodiment may be implemented by the receiver 302 and the transmitter 303 in FIG.
  • the disclosed systems, devices, and methods 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 application 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 functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used 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 application.
  • the foregoing storage medium includes: a U disk, a mobile 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

本申请提供了一种发送数据的方法及其装置,该方法包括:终端设备在第一时间单元上接收第一控制信息,所述第一控制信息指示用于发送第一信息块的第一时域资源;所述终端设备根据所述第一控制信息,在所述第一时域资源的至少部分资源上接收所述第一信息块;所述终端设备在第二时间单元上接收第二控制信息,所述第二控制信息指示用于发送所述第一信息块的第二时域资源;所述终端设备根据所述第二控制信息在所述第二时域资源上接收所述第一信息块;其中,所述第一时间单元与所述第二时间单元不同,所述第一时域资源和第二时域资源具有重叠的时域资源。因此,本申请实施例提供的方法,能够提高业务传输的可靠性。

Description

接收数据的方法及其装置和发送数据的方法及其装置
本申请要求于2017年03月22日提交中国专利局、申请号为201710175840.5、申请名称为“接收数据的方法及其装置和发送数据的方法及其装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信领域,并且更具体地,涉及接收数据的方法及其装置和发送数据的方法及其装置。
背景技术
移动通信技术已经深刻地改变了人们的生活,但人们对更高性能的移动通信技术的追求从未停止。为了应对未来爆炸性的移动数据流量增长、海量移动通信的设备连接、不断涌现的各类新业务和应用场景,第五代(the fifth generation,5G)移动通信系统应运而生。5G移动通信系统需要支持增强型移动宽带(enhanced mobile broadband,eMBB)业务、高可靠低时延通信(ultra reliable and low latency communications,URLLC)业务以及海量机器类通信(massive machine type communications,mMTC)业务。
典型的URLLC业务有:工业制造或生产流程中的无线控制、无人驾驶汽车和无人驾驶飞机的运动控制以及远程手术等触觉交互类应用,这些业务的主要特点是超高可靠性、低延时,传输数据量较少以及具有突发性。
URLLC业务对时延要求极高,不考虑可靠性的情况下,传输时延要求在0.5毫秒(millisecond,ms)以内;在达到99.999%的可靠性的前提下,传输时延要求在1ms以内。
因此,亟需一种发送数据和接收数据的方法,能够满足业务对高可靠性和低时延的要求。
发明内容
本申请提供一种接收数据的方法及其装置和发送数据的方法及其装置,能够满足业务对高可靠性和低时延的要求。
第一方面,提供了一种接收数据的方法,包括:终端设备在第一时间单元上接收第一控制信息,所述第一控制信息指示用于发送第一信息块的第一时域资源;所述终端设备根据所述第一控制信息,在所述第一时域资源的至少部分资源上接收所述第一信息块;所述终端设备在第二时间单元上接收第二控制信息,所述第二控制信息指示用于发送所述第一信息块的第二时域资源;所述终端设备根据所述第二控制信息在所述第二时域资源上接收所述第一信息块;其中,所述第一时间单元与所述第二时间单元不同,所述第一时域资源和第二时域资源具有重叠的时域资源。
也就是说,第一控制信息如果丢失,终端设备根据接收到的第二控制信息,仍然可以 接收网络设备在重叠的时域资源上发送的第一信息块。因此,本申请实施例提供的方法,能够提高业务传输的可靠性。
结合第一方面,在第一方面的第一种可能的实现方式中,所述第二时域资源为所述第一时域资源的真子集。
也就是说,第二时域资源和第一时域资源在时域上重叠的部分实际上就是第二时域资源本身。
结合第一方面及其上述实现方式,在第一方面的第二种可能的实现方式中,所述第一时域资源为所述第二时域资源的子集。
也就是说,第一时域资源可以和第二时域资源在时域上完全重叠,第一时域资源也可以为第二时域资源的真子集。
结合第一方面及其上述实现方式,在第一方面的第三种可能的实现方式中,所述第一信息块的传输总次数为N,所述第一控制信息指示所述终端设备在所述第一时间单元上第S次接收所述第一信息块;和/或所述第二控制信息指示所述终端设备在所述第二时间单元上第L次接收所述第一信息块,其中,1≤S≤N,1≤L≤N,S、L、N为整数。
结合第一方面及其上述实现方式,在第一方面的第四种可能的实现方式中,所述第一控制信息指示所述第一信息块的传输总次数为P;和/或所述第二控制信息指示所述第一信息块的传输总次数为Q,其中,1≤P≤N,1≤Q≤N,P、Q、N为整数。
可选地,作为本申请一个实施例,所述第一控制信息指示在所述第一时域资源上接收的所述第一信息块使用的RV版本。
可选地,作为本申请一个实施例,所述第二控制信息指示在所述第二时域资源上接收的所述第一信息块使用的RV版本。
可选地,作为本申请一个实施例,所述第一控制信息指示在所述第一时域资源上接收的所述第一信息块使用的调制编码方案。
可选地,作为本申请一个实施例,所述第二控制信息指示在所述第二时域资源上接收的所述第一信息块使用的调制编码方案。
可选地,作为本申请一个实施例,方法包括:网络设备向终端设备发送第一控制信息,所述第一控制信息指示终端设备在N个时间单元上分别接收第一信息块,其中,N为正整数。
可选地,作为本申请一个实施例,方法包括:网络设备向终端设备发送N个控制信息中的第i个控制信息,所述第i个控制信息指示终端设备在i个时间单元上接收第一信息块,其中,N为正整数,1≤i≤N,N为正整数。
可选地,作为本申请一个实施例,方法包括:网络设备向终端设备发送M个控制信息中的第i个控制信息,所述第i个控制信息指示终端设备在k个时间单元的第一时频资源接收第一信息块,网络设备向终端设备发送M个控制信息中的第j个控制信息,所述第j个控制信息指示终端设备在k个时间单元的第二时频资源上接收第一信息块,其中,第k个时间单元包括第一时频资源和第二时频资源;其中,N为正整数,1≤i<j≤k≤≤N,N为正整数。
第二方面,提供一种发送数据的方法,包括:网络设备在第一时间单元上向所述终端设备发送第一控制信息,所述第一控制信息指示用于发送第一信息块的第一时域资源; 在所述第一时域资源的部分资源上向所述终端设发送所述第一信息块;所述网络设备在第二时间单元上向所述终端设备发送第二控制信息,所述第二控制信息指示用于发送所述第一信息块的第二时域资源;所述网络设备在所述第二时域资源上向所述终端设备发送所述第二信息块;其中,所述第一时间单元与所述第二时间单元不同,所述第一时域资源和第二时域资源具有重叠的时域资源。
结合第二方面,在第二方面的第一种可能的实现方式中,所述第二时域资源为所述第一时域资源的真子集。
结合第二方面及其上述实现方式,在第二方面的第二种可能的实现方式中,所述第一时域资源为所述第二时域资源的子集。
结合第二方面及其上述实现方式,在第二方面的第三种可能的实现方式中,所述第一信息块的传输总次数为N,所述第一控制信息指示所述终端设备在所述第一时间单元上第S次接收所述第一信息块;和/或所述第二控制信息指示所述终端设备在所述第二时间单元上第L次接收所述第一信息块,其中,1≤S≤N,1≤L≤N,S、L、N为整数。
结合第二方面及其上述实现方式,在第二方面的第四种可能的实现方式中,所述第一控制信息指示所述第一信息块的传输总次数为P;和/或所述第二控制信息指示所述第一信息块的传输总次数为Q,其中,1≤P≤N,1≤Q≤N,P、Q、N为整数。
第三方面,提供了一种终端设备,用于执行上述终端设备的方法,具体地,该网络设备可以包括用于执行上述网络设备相应步骤的模块。如,处理模块,发送模块以及接收模块等。
第四方面,提供了一种网络设备,用于上述网络设备的方法,具体地,该终端设备可以包括用于执行上述终端设备相应步骤的模块。如,处理模块,发送模块以及接收模块等。
第五方面,提供了一种终端设备,包括存储器和处理器,该存储器用于存储计算机程序,该处理器用于从存储器中调用并运行该计算机程序,使得终端设备执行上述的终端设备的方法。
第六方面,提供了一种网络设备,包括存储器和处理器,该存储器用于存储计算机程序,该处理器用于从存储器中调用并运行该计算机程序,使得网络设备执行上述的网络设备的方法。
第七方面,提供了一种计算机可读存储介质,所述计算机可读存储介质中存储有指令,当其在计算机上运行时,使得计算机执行上述各方面所述的方法。
第八方面,提供了一种包含指令的计算机程序产品,当其在计算机上运行时,使得计算机执行上述各方面所述的方法。
因此,本申请实施例提供的方法,能够提高业务传输的可靠性。
附图说明
图1是应用于本申请实施例无线通信系统的示意图。
图2为图1示出无线通信系统中,网络设备的结构示意图。
图3为图1示出无线通信系统中,终端设备的结构示意图。
图4所示为本申请实施例的方法中数据传输交互图。
图5示出了本申请一个实施例的方法的示意图。
图6示出了本申请一个实施例的方法的示意图。
图7示出了本申请一个实施例的方法的示意图。
图8示出了本申请一个实施例的方法的示意图。
图9示出了本申请一个实施例的方法的示意图。
图10示出了本申请一个实施例的方法的示意图。
图11所示为本申请实施例的终端设备1100的示意性框图。
图12示出了本申请实施例的网络设备1200的示意性框图。
具体实施方式
应理解,本申请实施例可以应用于各种通信系统,例如:全球移动通讯(global system of mobile communication,GSM)系统、码分多址(code division multiple access,CDMA)系统、宽带码分多址(wideband code division multiple access,WCDMA)系统、通用分组无线业务(general packet radio service,GPRS)、长期演进(long term evolution,LTE)系统、先进的长期演进(advanced long term evolution,LTE-A)系统、通用移动通信系统(universal mobile telecommunication system,UMTS)或下一代通信系统,如5G系统等。
通常来说,传统的通信系统支持的连接数有限,也易于实现,然而,随着通信技术的发展,移动通信系统将不仅支持传统的通信,还将支持例如,设备到设备(device to device,D2D)通信,机器到机器(machine to machine,M2M)通信,机器类型通信(machine type communication,MTC),以及车辆间(vehicle to vehicle,V2V)通信。
本申请实施例结合发送设备和接收设备描述了各个实施例,其中,发送设备可以为网络设备和终端设备中的一方,接收设备可以为网络设备和终端设备中的另一方,例如,在本申请实施例中,发送设备可以为网络设备,接收设备可以为终端设备;或者,发送设备可以为终端设备,接收设备可以为网络设备。
终端设备也可以称为用户设备(user Equipment,UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。终端设备可以是无线局域网(wireless local area networks,WLAN)中的站点(station,STA),可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol,SIP)电话、无线本地环路(wireless local loop,WLL)站、个人数字处理(personal digital assistant,PDA)设备、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备以及下一代通信系统,例如,第五代(fifth-generation,5G)通信网络中的终端设备或者未来演进的公共陆地移动网络(public land mobile network,PLMN)网络中的终端设备等。
作为示例,在本申请实施例中,该终端设备还可以是可穿戴设备。可穿戴设备也可以称为穿戴式智能设备,是应用穿戴式技术对日常穿戴进行智能化设计、开发出可以穿戴的设备的总称,如眼镜、手套、手表、服饰及鞋等。可穿戴设备即直接穿在身上,或是整合到用户的衣服或配件的一种便携式设备。可穿戴设备不仅仅是一种硬件设备,更是通过软件支持以及数据交互、云端交互来实现强大的功能。广义穿戴式智能设备包括功能全、尺寸大、可不依赖智能手机实现完整或者部分的功能,例如:智能手表或智能眼镜等,以及只专注于某一类应用功能,需要和其它设备如智能手机配合使用,如各类进行体征监测的 智能手环、智能首饰等。
网络设备可以是用于与移动设备通信的设备,网络设备可以是WLAN中的接入点(access point,AP),GSM或CDMA中的基站(Base Transceiver Station,BTS),也可以是WCDMA中的基站(NodeB,NB),还可以是LTE中的演进型基站(evolved Node B,eNB或eNodeB),或者中继站或接入点,或者车载设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等。
另外,在本申请实施例中,网络设备为小区提供服务,终端设备通过该小区使用的传输资源(例如,频域资源,或者说,频谱资源)与网络设备进行通信。该小区可以是网络设备(例如基站)对应的小区,小区可以属于宏基站,也可以属于小小区(small cell)对应的基站,这里的小小区可以包括:城市小区(Metro cell)、微小区(Micro cell)、微微小区(Pico cell)、毫微微小区(Femto cell)等,这些小小区具有覆盖范围小和发射功率低的特点,适用于提供高速率的数据传输服务。
本申请实施例提供的方法和装置,可以应用于终端设备或网络设备,该终端设备或网络设备包括硬件层、运行在硬件层之上的操作系统层,以及运行在操作系统层上的应用层。该硬件层包括中央处理器(central processing unit,CPU)、内存管理单元(memory management unit,MMU)和内存(也称为主存)等硬件。该操作系统可以是任意一种或多种通过进程(process)实现业务处理的计算机操作系统,例如,Linux操作系统、Unix操作系统、Android操作系统、iOS操作系统或windows操作系统等。该应用层包含浏览器、通讯录、文字处理软件、以及即时通信软件等应用。并且,在本申请实施例中,传输信号的方法的执行主体的具体结构,本申请实施例并未特别限定,只要能够通过运行记录有本申请实施例的传输信号的方法的代码的程序,以根据本申请实施例的传输信号的方法进行通信即可,例如,本申请实施例的无线通信的方法的执行主体可以是终端设备或网络设备,或者,是终端设备或网络设备中能够调用程序并执行程序的功能模块。
此外,本申请实施例的各个方面或特征可以实现成方法、装置或使用标准编程和/或工程技术的制品。本申请中使用的术语“制品”涵盖可从任何计算机可读器件、载体或介质访问的计算机程序。例如,计算机可读介质可以包括,但不限于:磁存储器件(例如,硬盘、软盘或磁带等),光盘(例如,压缩盘(compact disc,CD)、数字通用盘(digital versatile disc,DVD)等),智能卡和闪存器件(例如,可擦写可编程只读存储器(erasable programmable read-only memory,EPROM)、卡、棒或钥匙驱动器等)。另外,本文描述的各种存储介质可代表用于存储信息的一个或多个设备和/或其它机器可读介质。术语“机器可读介质”可包括但不限于,无线信道和能够存储、包含和/或承载指令和/或数据的各种其它介质。
为了应对未来爆炸性的移动数据流量增长、海量移动通信的设备连接、不断涌现的各类新业务和应用场景,如何提高业务的高可靠性和低时延是目前亟待解决的问题。
针对上述问题,本申请实施例提出了一种发送数据的方法和一种接收数据的方法以及相应的网络设备和终端设备。
下面将结合附图,对本申请中的技术方案进行描述。
图1是应用于本申请实施例无线通信系统的示意图。如图1所示,该无线通信系统100包括网络设备102,网络设备102可包括1个天线或多个天线例如,天线104、106、108、110、112和114。另外,网络设备102可附加地包括发射机链和接收机链,本领域 普通技术人员可以理解,它们均可包括与信号发送和接收相关的多个部件(例如处理器、调制器、复用器、解调器、解复用器或天线等)。
网络设备102可以与多个终端设备(例如终端设备116和终端设备122)通信。然而,可以理解,网络设备102可以与类似于终端设备116或终端设备122的任意数目的终端设备通信。终端设备116和122可以是例如蜂窝电话、智能电话、便携式电脑、手持通信设备、手持计算设备、卫星无线电装置、全球定位系统、PDA和/或用于在无线通信系统100上通信的任意其它适合设备。
如图1所示,终端设备116与天线112和114通信,其中天线112和114通过前向链路(也称为下行链路)118向终端设备116发送信息,并通过反向链路(也称为上行链路)120从终端设备116接收信息。此外,终端设备122与天线104和106通信,其中天线104和106通过前向链路124向终端设备122发送信息,并通过反向链路126从终端设备122接收信息。
例如,在频分双工(frequency division duplex,FDD)系统中,例如,前向链路118可与反向链路120使用不同的频带,前向链路124可与反向链路126使用不同的频带。
再例如,在时分双工(time division duplex,TDD)系统、全双工(full duplex)系统和灵活双工系统中,前向链路118和反向链路120可使用共同频带,前向链路124和反向链路126可使用共同频带。
被设计用于通信的每个天线(或者由多个天线组成的天线组)和/或区域称为网络设备102的扇区。例如,可将天线组设计为与网络设备102覆盖区域的扇区中的终端设备通信。网络设备可以通过单个天线或多天线发射分集向其对应的扇区内所有的终端设备发送信号。在网络设备102通过前向链路118和124分别与终端设备116和122进行通信的过程中,网络设备102的发射天线也可利用波束成形来改善前向链路118和124的信噪比。此外,与网络设备通过单个天线或多天线发射分集向它所有的终端设备发送信号的方式相比,在网络设备102利用波束成形向相关覆盖区域中随机分散的终端设备116和122发送信号时,相邻小区中的移动设备会受到较少的干扰。
在给定时间,网络设备102、终端设备116或终端设备122可以是无线通信发送装置和/或无线通信接收装置。当发送数据时,无线通信发送装置可对数据进行编码以用于传输。具体地,无线通信发送装置可获取(例如生成、从其它通信装置接收、或在存储器中保存等)要通过信道发送至无线通信接收装置的一定数目的数据比特。这种数据比特可包含在数据的传输块(或多个传输块)中,传输块可被分段以产生多个码块。
此外,该通信系统100可以是PLMN网络或者D2D网络或者M2M网络或者其他网络,图1只是举例的简化示意图,网络中还可以包括其他网络设备,图1中未予以画出。
图2所示为上述无线通信系统中,网络设备的结构示意图。该网络设备能够执行本申请实施例提供的发送数据的方法。其中,该网络设备包括:处理器201、接收器202、发送器203、以及存储器204。其中,该处理器201可以与接收器202和发送器203通信连接。该存储器204可以用于存储该网络设备的程序代码和数据。因此,该存储器204可以是处理器201内部的存储单元,也可以是与处理器201独立的外部存储单元,还可以是包括处理器201内部的存储单元和与处理器201独立的外部存储单元的部件。
可选的,网络设备还可以包括总线205。其中,接收器202、发送器203、以及存储 器204可以通过总线205与处理器201连接;总线205可以是外设部件互连标准(Peripheral Component Interconnect,PCI)总线或扩展工业标准结构(Extended Industry Standard Architecture,EISA)总线等。所述总线205可以分为地址总线、数据总线、控制总线等。为便于表示,图2中仅用一条粗线表示,但并不表示仅有一根总线或一种类型的总线。
处理器201例如可以是中央处理器(Central Processing Unit,CPU),通用处理器,数字信号处理器(Digital Signal Processor,DSP),专用集成电路(Application-Specific Integrated Circuit,ASIC),现场可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、晶体管逻辑器件、硬件部件或者其任意组合。其可以实现或执行结合本申请公开内容所描述的各种示例性的逻辑方框,模块和电路。所述处理器也可以是实现计算功能的组合,例如包含一个或多个微处理器组合,DSP和微处理器的组合等等。
接收器202和发送器203可以是包括上述天线和发射机链和接收机链的电路,二者可以是独立的电路,也可以是同一个电路。
图3为上述无线通信系统中,终端设备的结构示意图。该终端设备该网络设备能够执行本申请实施例提供的数据接收方法。该终端设备可以包括处理器301、接收器302、发送器303、以及存储器304。可选的,该处理器301可以与接收器302和发送器303通信连接。或者,该终端设备还可以包括总线305,该接收器302、发送器303、以及存储器304可以通过总线305与处理器301连接。总线305可以是外设部件互连标准(Peripheral Component Interconnect,PCI)总线或扩展工业标准结构(Extended Industry Standard Architecture,EISA)总线等。所述总线305可以分为地址总线、数据总线、控制总线等。为便于表示,图3中仅用一条粗线表示,但并不表示仅有一根总线或一种类型的总线。
相应的,该存储器304可以用于存储该终端设备的程序代码和数据。因此,该存储器304可以是处理器301内部的存储单元,也可以是与处理器301独立的外部存储单元,还可以是包括处理器301内部的存储单元和与处理器201独立的外部存储单元的部件。接收器302和发送器303可以是独立的电路,也可以是同一个电路。
在本申请实施例中,信息块可以为传输块(transport block,TB)、编码块(code block,CB)、编码块组(code block group,CBG),其中,CB包含一组信息比特,该组信息比特一起用于一次信道编码,或者说,该组信息比特被发送设备一起进行信道编码,对应一个信道编码后的比特块;CBG至少包括一个编码块,可以包括多个编码块;TB包括至少一个CB,也可以包括至少一个CBG,本申请不做限定。
在本申请实施例中,时频资源在时域上包括一个或多个时间单元,其中每个时间单元可以包括一个或多个时域符号,也可以包括一个或多个时隙(slot),还可以包括一个或多个迷你时隙(mini-slot),或者,包括一个或多个子帧(subframe)。第一时频资源如果包括多个时间单元时,该多个时间单元可以是连续的,也可是离散的,本申请不做限定。其中,上述时域符号可以是正交频分复用(orthogonal frequency division multiplexing,OFDM)符号,也可以是单载波频分复用(single-carrier frequency-division multiplexing,SC-FDM)符号。
在本申请实施例中,时频资源在频域上占用一定带宽,该带宽可以为一个或多个物理资源块(physical resource block,PRB),可以为一个或多个物理资源块组(physical resource block group,PRBG),可以为一个或者多个子带(subband)。上述第一时频资源包括多个时 域单元的时候,每个时域单元上的频域资源的大小和位置可以相同,也可以不同。例如,网络设备可以采用在不同时域单元上进行频域资源跳频的方法调度终端设备的下行传输。
下面具体描述本申请实施例的方法。图4所示为本申请实施例的方法中数据传输交互图。如图4所示,该方法包括如下步骤。
步骤401,网络设备在第一时间单元上向终端设备发送第一控制信息,终端设备在第一时间单元上接收第一控制信息,所述第一控制信息指示用于发送第一信息块的第一时域资源。
具体地,第一控制信息可以承载在第一控制信道中,说网络设备使用第一控制信道向终端设备发送第一控制信息。
其中,第一控制信道可以为下行控制信道(physical downlink control channel,PDCCH)或其它用于承载物理层控制信息的下行信道,第一控制信息可以为第一下行控制信息(downlink control information,DCI)本申请不做限定。
具体地,第一控制信息用于调度第一时频资源中的第一信息块的传输,终端设备能够根据该第一控制信息接收第一时频资源中的第一信息块,第一控制信息中至少包括:第一时频资源中的第一信息块的传输资源指示信息、第一时频资源中的第一信息块的HARQ进程号索引、第一时频资源中的第一信息块的HARQ反馈资源指示信息、第一时频资源组中的第一信息块的的编码调制方案(Modulation and Coding Scheme,MCS)信息、第一时频资源中的第一信息块的预编码信息、第一时频资源中的第一信息块的冗余版本信息、第一时频资源中的第一信息块的是否为新传数据的指示信息等,本申请不做限定。
也就是说,第一控制信息用于调度第一信息块在第一时域资源上的一次或多次传输。
步骤402,网络设备在第一时域资源的部分资源上向终端设备发送第一信息;相应地,终端设备根据步骤401接收的第一控制信息,在第一时域资源的部分资源上网络设备发送的第一信息块。
步骤403,网络设备在第二时间单元上向终端设备发送第二控制信息,终端设备在第二时间单元上接收第二控制信息,所述第二控制信息指示用于发送第一信息块的第二时域资源。
具体地,第二控制信息可以承载在第一控制信道中,说网络设备使用第二控制信道向终端设备发送第二控制信息。
应理解,第一时间单元与第二时间单元不同,第一时域资源和第二时域资源包括第三时域资源,也就是说第一时域资源和第二时域资源包括重叠的时域资源,或者说,第一时域资源和第二时域资源具有相同的时域资源,其中,第一时域资源和第二时域资源重叠的时域资源为上述第三时域资源。
在长期演进(long term evolution,LTE)系统中,每个PDCCH使用一个或多个控制信道元素(control channel elements,CCE)进行传输,一个PDCCH使用的CCE的数量,叫CCE的聚合等级,例如,一个CCE的聚合等级n可以为1、2、4、8。在一个子帧中,不同的PDCCH可以使用不同的CCE聚合等级n,而一个CCE一般包括36个资源元素(resource element,RE)。因此,应理解,在本申请实施例中,第一控制信道和第二控制信道的聚合等级可以相同,也可以不同,本申请不做限定。
步骤404,网络设备在第二时域资源上向终端设备发送第一信息块,终端设备根据所 述第二控制信息在所述第二时域资源上接收所述第一信息块。
也就是说,第一控制信息如果丢失,终端设备根据接收到的第二控制信息,仍然可以接收网络设备在第三时域资源上发送的第一信息块。因此,本申请实施例提供的方法,能够提高业务传输的可靠性。
下面结合具体例子描述本申请实施例的方法,图5示出了本申请一个实施例的方法的示意图。
如图5所示,网络设备需要在N个时间单元上调度第一信息块的N次传输,网络设备在第i个时间单元上发送第一PDCCH,该第一PDCCH用于指示第一时域资源的第一信息块的传输,其中,第一时域资源包括第i个至第N-k个时间单元;网络设备在第j个时间单元上发发送第二PDCCH,该第二PDCCH用于指示第二时域资源的第一信息块的传输,其中,第一时域资源包括第j个至第N-s个时间单元;进一步地,第一时域资源和第二时域资源的重叠时域资源部分,该重叠的时域资源部分包括第j个至第N-k个时间单元,其中,1≤i<j≤k≤s≤N,i,j,s,k为整数。
应理解,网络设备向终端设备发送了M个PDCCH,其中,1<M≤N,这M个PDCCH可以分别承载在图5中示出的N个时间单元中的M个时间单元中,本申请不做限定。
终端设备在第i个时间单元接收第一PDCCH,然后根据该第一PDCCH,接收位于第i至第j-1时间单元的第一信息块,该第i至第j-1个时间单元也就是第一时域资源中除上述重叠的时域资源之外的时域资源;终端设备在第j个时间单元接收第二PDCCH,然后根据该第二PDCCH,接收第二时域资源的第一信息块,以此类推。如果终端设备在某个时间单元未收到PDCCH,则根据位于该时间单元之前最近一次PDCCH,来接该第一信息块。即终端设备总是根据接收到的最近一次的PDCCH,进行信息块的接收。
可选地,作为本申请一个实施例,所述第二时域资源为所述第一时域资源的真子集。也就是说,第二时域资源和第一时域资源在时域上重叠的部分实际上就是第二时域资源本身。
下面结合具体例子描述本申请实施例的方法,图6示出了本身一个实施例的方法的示意图。
如图6所示,网络设备向终端设备发送了M个PDCCH,例如,第一PDCCH位于第一时间单元,该第一PDCCH用于指示第一时域资源的第一信息块的传输,其中,第一时域资源包括第1个至第N个时间单元;第二PDCCH位于第二时间单元,该第二PDCCH用于指示第二时域资源的第一信息块的传输,其中,第二时域资源包括第2个至第N个时间单元,其中,1<M≤N。
相应地,终端设备在第一时间单元接收第一PDCCH,根据第一PDCCH接收承载在第一时域的第一信息块,终端设备在第二时间单元接收第二PDCCH,根据第二PDCCH接收承载在第二时域资源的第一信息块,依次类推。
在通信过程中,网络设备向终端设备发送了M个PDCCH,该M个中的第i个PDCCH用于调用第i个时间单元和后续第i+1至第n个时间单元上的第一信息块的传输,因此,即使丢失一个或者多个PDCCH,网络设备仍然有可能根据其他的PDCCH,接收到第i至第n个时间单元上的第一信息块。
应理解,M和N可以相等,也可以不相等,当M小于N时,网络设备使用发送的 PDCCH数量减少,有利于节省网络开销。
可选地,作为本申请一个实施例,第一时域资源为第二时域资源的子集。
也就是说,第一时域资源可以和第二时域资源在时域上完全重叠,第一时域资源也可以为第二时域资源的真子集。
也就是说,第二控制信息除了能够调度第二时间单元之后的第一信息块的传输之外,还可以调度在时域上位于时间单元之前的第一信息块的传输。。
应理解,第二控制信息还可以调度时域上位于第二时间单元之前或者之后的时域资源的第一信息块传输,本申请不做限定。
下面结合具体例子,对本申请实施例的方法进行描述。图7示出了本身一个实施例的方法的示意图。
如图7所示,网络设备向终端设备发送了M个PDCCH,例如,第一PDCCH位于第一时间单元,该第一PDCCH用于指示第一时域资源的第一信息块的传输,其中,第一时域资源包括第1个至第N个时间单元;第二PDCCH位于第i个时间单元,该第二PDCCH用于指示第二时域资源的第一信息块的传输,其中,第二时域资源包括第1个至第N个时间单元,重叠的时域资源也包括第i个至第N个时间单元,其中,1<M≤N。
相应地,终端设备在第一时间单元接收第一PDCCH,根据第一PDCCH接收位于第一时域资源的第一信息块;终端设备在第二时间单元接收第二PDCCH,根据第二PDCCH接收第二时域资源上的第一信息块,以及,根据第二PDCCH对第一时频资源上的第一信息块进行解码译码,依次类推。
在通信过程中,网络设备向终端设备发送了M个PDCCH,该M个PDCCH中的第i个PDCCH不仅能够调用第i个时间单元和后续第i+1至第N个时间单元上的第一信息块的传输,还能够调用第1个至第i-1个时间单元上的第一信息块的传输,因此,即使丢失一个或者多个PDCCH,网络设备仍然可以根据其他的PDCCH,接收到第i至第n个时间单元上的第一信息块。
应理解,M和N可以相等,也可以不相等,当M小于N时,网络设备使用发送的PDCCH数量减少,有利于节省网络开销。
可选地,作为本申请一个实施例,所述第一信息块的传输总次数为N,所述第一控制信息指示所述终端设备在所述第一时间单元上第S次接收所述第一信息块;和/或所述第二控制信息指示所述终端设备在所述第二时间单元上第L次接收所述第一信息块,其中,1≤S≤N,1≤L≤N,S、L、N为整数。
也就是说,第一控制信息可以指示第一时间单元接收第一信息块这一行为是N次传输中的第几次传输;第二控制信息可以指示第二时间单元接收第一信息块这一行为是N次传输中的第几次传输。
可选地,作为本申请一个实施例,所述第一控制信息指示所述第一信息块的传输总次数为P;和/或所述第二控制信息指示所述第一信息块的传输总次数为Q,其中,1≤P≤N,1≤Q≤N,P、Q、N为整数。
也就是说,第一控制信息中可以包括第一控制信息调度的第一信息块的传输总次数;第二控制信息中可以包括第二控制信息调度的第一信息块的传输总次数。
可选地,作为本申请一个实施例,所述第一控制信息指示在所述第一时域资源上接收 的所述第一信息块使用的冗余版本(redundancy version,RV)。
可选地,作为本申请一个实施例,所述第二控制信息指示在所述第二时域资源上接收的所述第一信息块使用的RV。
可选地,作为本申请一个实施例,所述第一控制信息指示在所述第一时域资源上接收的所述第一信息块使用的调制编码方案。
可选地,作为本申请一个实施例,所述第二控制信息指示在所述第二时域资源上接收的所述第一信息块使用的调制编码方案。
还应理解,图4是本申请实施例一个实施例的方法的示意性流程图。应理解,图4示出了该方法的详细的通信步骤或操作,但这些步骤或操作仅是示例,本申请实施例还可以执行其它操作或者图4中的各种操作的变形。此外,图4中的各个步骤可以分别按照与图4所呈现的不同的顺序来执行,并且有可能并非要执行图4中的全部操作。
还应理解,在本申请实施例中,“第一”、“第二”和“第三”仅为用于区分不同的对象,例如,区分不同的控制信息、不同的时频资源等,不应对本申请构成任何限定。
还应理解,在本申请实施例中,上述各过程的序号的大小并不意味着执行顺序的先后,各过程的执行顺序应以其功能和内在逻辑确定,而不应对本申请实施例的实施过程构成任何限定。
可选地,作为本申请一个实施例,方法包括:网络设备向终端设备发送第一控制信息,所述第一控制信息指示终端设备在N个时间单元上分别接收第一信息块,其中,N为正整数。
如图8所示,网络设备向终端设备发送了1个PDCCH,例如,第一PDCCH位于第一时间单元,该第一PDCCH用于指示第一时域资源的第一信息块的传输,其中,第一时域资源包括第1个至第N个时间单元。
相应地,终端设备在第一时间单元接收第一PDCCH,根据第一PDCCH接收位于第一时域资源的第一信息块。
在通信过程中,网络设备向终端设备发送了1个PDCCH,该PDCCH能够调度第一信息块在第1至第N个时间单元上的N次传输。
可选地,作为本申请一个实施例,方法包括:网络设备向终端设备发送N个控制信息中的第i个控制信息,所述第i个控制信息指示终端设备在i个时间单元上接收第一信息块,其中,N为正整数,1≤i≤N,N为正整数。
如图9所示,网络设备向终端设备发送了N个PDCCH,例如,第一PDCCH位于第一时间单元,该第一PDCCH用于指示第一时域资源的第一信息块的传输,其中,第一时域资源包括第1个时间单元;第二PDCCH位于第一时间单元,该第二PDCCH用于指示第二时域资源的第一信息块的传输,其中,第二时域资源包括第1个时间单元,也就是说,N个PDCCH中的第i个PDCCH用于调度第一信息块在第i个时间单元上的传输。
相应地,终端设备在第i个时间单元接收第i个PDCCH,根据第i个PDCCH接收位于第i个时间单元的第一信息块。
由于每个时间单元上的第一信息块的传输都对应一个PDCCH,因此,即使丢失一个或多个PDCCH,但不影响其它PDCCH指示终端设备接收相应的数据信息。
可选地,作为本申请一个实施例,方法包括:网络设备向终端设备发送M个控制信 息中的第i个控制信息,所述第i个控制信息指示终端设备在k个时间单元的第一时频资源接收第一信息块,网络设备向终端设备发送M个控制信息中的第j个控制信息,所述第j个控制信息指示终端设备在k个时间单元的第二时频资源上接收第一信息块,其中,第k个时间单元包括第一时频资源和第二时频资源;其中,N为正整数,1≤i<j≤k≤≤N,N为正整数。
相应地,那么终端设备根据第j个控制信息在第k个时间单元的第二时频资源上接收第一信息块。
如图10所示,网络设备向终端设备发送了2个PDCCH,例如,第n个PDCCH位于第n时间单元,该第n个PDCCH用于指示时频资源1、时频资源2和时频资源3上第一信息块的传输;第n+1个PDCCH位于第n+1时间单元,该第n+1个PDCCH用于指示时频资源2’和时频资源3’上第一信息块的传输;其中,时频资源2和时频资源2’位于相同的时间单元,也就是第n+1时间单元,时频资源3和时频资源3’位于相同的时间单元,也就是第n+2时间单元,其中,n为正整数。
相应地,终端设备在第n个时间单元接收第n个PDCCH,根据第n个PDCCH接收位于第n个时间单元的时频资源1上的第一信息块,然后在第n+1个时间单元接收第n+1个PDCCH,根据第n+1个PDCCH接收位于第n+1和n+2个时间单元的时频资源2’和时频3’的第一信息块。
由于每个时间单元上的第一信息块的传输都对应一个PDCCH,因此,即使丢失一个或多个PDCCH,但不影响其它PDCCH指示终端设备接收相应的数据信息。
图11示出了本申请实施例的终端设备1100的示意性框图,该终端设备1100中各模块分别用于执行上述方法中终端设备所执行的各动作或处理过程,这里,为了避免赘述,详细说明可以参照上文中的描述。
该终端设备1100包括:通信模块以及处理模块,其中,其中,所述处理模块用于控制通信模块接收和发送的信号,
所述通信模块用于,在第一时间单元上接收第一控制信息,所述第一控制信息指示用于发送第一信息块的第一时域资源;所述通信模块还用于,所述终端设备根据所述第一控制信息,在所述第一时域资源的至少部分资源上接收所述第一信息块;所述通信模块还用于,所述终端设备在第二时间单元上接收第二控制信息,所述第二控制信息指示用于发送所述第一信息块的第二时域资源;所述通信模块还用于,所述终端设备根据所述第二控制信息在所述第二时域资源上接收所述第一信息块;其中,所述第一时间单元与所述第二时间单元不同,所述第一时域资源和第二时域资源具有重叠的时域资源。
可选地,所述第二时域资源为所述第一时域资源的真子集。
可选地,所述第一时域资源为所述第二时域资源的子集。
可选地,所述第一信息块的传输总次数为N,所述第一控制信息指示所述终端设备在所述第一时间单元上第S次接收所述第一信息块;和/或所述第二控制信息指示所述终端设备在所述第二时间单元上第L次接收所述第一信息块,其中,1≤S≤N,1≤L≤N,S、L、N为整数。
可选地,所述第一控制信息指示所述第一信息块的传输总次数为P;和/或所述第二控制信息指示所述第一信息块的传输总次数为Q,其中,1≤P≤N,1≤Q≤N,P、Q、N为 整数。
需要说明的是,本实施例中的处理模块可以由图4中的301实现,本实施例中的通信模块可由图4中的接收器302和发送器303实现。
本实施例所能达到的技术效果可以参见上文中的描述,此处不再赘述。
图12示出了本申请实施例的网络设备1200的示意性框图,该网络设备1200中各模块分别用于执行上述方法中网络设备所执行的各动作或处理过程,这里,为了避免赘述,详细说明可以参照上文中的描述。该终端设备可以包括:通信模块和处理模块,其中,其中,所述处理模块用于控制通信模块接收和发送的信号,所述通信模块用于,在第一时间单元上向所述终端设备发送第一控制信息,所述第一控制信息指示用于发送第一信息块的第一时域资源;所述通信模块还用于,在所述第一时域资源的部分资源上向所述终端设发送所述第一信息块;所述通信模块用于,所述网络设备在第二时间单元上向所述终端设备发送第二控制信息,所述第二控制信息指示用于发送所述第一信息块的第二时域资源;所述通信模块用于,所述网络设备在所述第二时域资源上向所述终端设备发送所述第二信息块;其中,所述第一时间单元与所述第二时间单元不同,所述第一时域资源和第二时域资源具有重叠的时域资源。
可选地,所述第二时域资源为所述第一时域资源的真子集。
可选地,所述第一时域资源为所述第二时域资源的子集。
可选地,所述第一信息块的传输总次数为N,所述第一控制信息指示所述终端设备在所述第一时间单元上第S次接收所述第一信息块;和/或所述第二控制信息指示所述终端设备在所述第二时间单元上第L次接收所述第一信息块,其中,1≤S≤N,1≤L≤N,S、L、N为整数。
可选地,所述第一控制信息指示所述第一信息块的传输总次数为P;和/或所述第二控制信息指示所述第一信息块的传输总次数为Q,其中,1≤P≤N,1≤Q≤N,P、Q、N为整数。
需要说明的是,本实施例中的处理模块可以由图4中的301实现,本实施例中的通信模块可由图4中的接收器302和发送器303实现。
本实施例所能达到的技术效果可以参见上文中的描述,此处不再赘述。
需要说明的是,本实施例中的处理模块可以由图4中的301实现,本实施例中的通信模块可由图4中的接收器302和发送器303实现。
本实施例所能达到的技术效果可以参见上文中的描述,此处不再赘述。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的几个实施例中,应该理解到,所揭露的系统、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的 划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应所述以权利要求的保护范围为准。

Claims (20)

  1. 一种接收数据的方法,其特征在于,包括:
    终端设备在第一时间单元上接收第一控制信息,所述第一控制信息指示用于发送第一信息块的第一时域资源;
    所述终端设备根据所述第一控制信息,在所述第一时域资源的至少部分资源上接收所述第一信息块;
    所述终端设备在第二时间单元上接收第二控制信息,所述第二控制信息指示用于发送所述第一信息块的第二时域资源;
    所述终端设备根据所述第二控制信息在所述第二时域资源上接收所述第一信息块;
    其中,所述第一时间单元与所述第二时间单元不同,所述第一时域资源和第二时域资源具有重叠的时域资源。
  2. 根据权利要求1所述的方法,其特征在于,所述第二时域资源为所述第一时域资源的真子集。
  3. 根据权利要求1或2所述的方法,其特征在于,所述第一时域资源为所述第二时域资源的子集。
  4. 根据权利要求1至3中任一项所述的方法,其特征在于,所述第一信息块的传输总次数为N,所述第一控制信息指示所述终端设备在所述第一时间单元上第S次接收所述第一信息块;和/或
    所述第二控制信息指示所述终端设备在所述第二时间单元上第L次接收所述第一信息块,其中,1≤S≤N,1≤L≤N,S、L、N为整数。
  5. 根据权利要求1至4中任一项所述的方法,其特征在于,所述第一控制信息指示所述第一信息块的传输总次数为P;和/或所述第二控制信息指示所述第一信息块的传输总次数为Q,其中,1≤P≤N,1≤Q≤N,P、Q、N为整数。
  6. 一种发送数据的方法,其特征在于,包括:
    网络设备在第一时间单元上向所述终端设备发送第一控制信息,所述第一控制信息指示用于发送第一信息块的第一时域资源;
    在所述第一时域资源的部分资源上向所述终端设发送所述第一信息块;
    所述网络设备在第二时间单元上向所述终端设备发送第二控制信息,所述第二控制信息指示用于发送所述第一信息块的第二时域资源;
    所述网络设备在所述第二时域资源上向所述终端设备发送所述第二信息块;
    其中,所述第一时间单元与所述第二时间单元不同,所述第一时域资源和第二时域资源具有重叠的时域资源。
  7. 根据权利要求6所述的方法,其特征在于,所述第二时域资源为所述第一时域资源的真子集。
  8. 根据权利要求6或7所述的方法,其特征在于,所述第一时域资源为所述第二时域资源的子集。
  9. 根据权利要求6至8中任一项所述的方法,其特征在于,所述第一信息块的传输 总次数为N,所述第一控制信息指示所述终端设备在所述第一时间单元上第S次接收所述第一信息块;和/或
    所述第二控制信息指示所述终端设备在所述第二时间单元上第L次接收所述第一信息块,其中,1≤S≤N,1≤L≤N,S、L、N为整数。
  10. 根据权利要求6至9中任一项所述的方法,其特征在于,所述第一控制信息指示所述第一信息块的传输总次数为P;和/或所述第二控制信息指示所述第一信息块的传输总次数为Q,其中,1≤P≤N,1≤Q≤N,P、Q、N为整数。
  11. 一种终端设备,其特征在于,包括:通信模块和处理模块,其中,所述处理模块用于控制通信模块接收和发送的信号,
    所述通信模块用于,在第一时间单元上接收第一控制信息,所述第一控制信息指示用于发送第一信息块的第一时域资源;
    所述通信模块还用于,所述终端设备根据所述第一控制信息,在所述第一时域资源的至少部分资源上接收所述第一信息块;
    所述通信模块还用于,所述终端设备在第二时间单元上接收第二控制信息,所述第二控制信息指示用于发送所述第一信息块的第二时域资源;
    所述通信模块还用于,所述终端设备根据所述第二控制信息在所述第二时域资源上接收所述第一信息块;
    其中,所述第一时间单元与所述第二时间单元不同,所述第一时域资源和第二时域资源具有重叠的时域资源。
  12. 根据权利要求11所述的终端设备,其特征在于,所述第二时域资源为所述第一时域资源的真子集。
  13. 根据权利要求11或12所述的终端设备,其特征在于,所述第一时域资源为所述第二时域资源的子集。
  14. 根据权利要求11至13中任一项所述的终端设备,所述第一信息块的传输总次数为N,所述第一控制信息指示所述终端设备在所述第一时间单元上第S次接收所述第一信息块;和/或所述第二控制信息指示所述终端设备在所述第二时间单元上第L次接收所述第一信息块,其中,1≤S≤N,1≤L≤N,S、L、N为整数。
  15. 根据权利要求11至14中任一项所述的终端设备,其特征在于,所述第一控制信息指示所述第一信息块的传输总次数为P;和/或所述第二控制信息指示所述第一信息块的传输总次数为Q,其中,1≤P≤N,1≤Q≤N,P、Q、N为整数。
  16. 一种网络设备,其特征在于,包括:通信模块和处理模块,其中,所述处理模块用于控制通信模块接收和发送的信号,
    所述通信模块用于,在第一时间单元上向所述终端设备发送第一控制信息,所述第一控制信息指示用于发送第一信息块的第一时域资源;
    所述通信模块还用于,在所述第一时域资源的部分资源上向所述终端设发送所述第一信息块;
    所述通信模块用于,所述网络设备在第二时间单元上向所述终端设备发送第二控制信息,所述第二控制信息指示用于发送所述第一信息块的第二时域资源;
    所述通信模块用于,所述网络设备在所述第二时域资源上向所述终端设备发送所述第 二信息块;其中,所述第一时间单元与所述第二时间单元不同,所述第一时域资源和第二时域资源具有重叠的时域资源。
  17. 根据权利要求16所述的网络设备,其特征在于,所述第二时域资源为所述第一时域资源的真子集。
  18. 根据权利要求16或17所述的网络设备,其特征在于,所述第一时域资源为所述第二时域资源的子集。
  19. 根据权利要求16至18中任一项所述的网络设备,其特征在于,所述第一信息块的传输总次数为N,所述第一控制信息指示所述终端设备在所述第一时间单元上第S次接收所述第一信息块;和/或所述第二控制信息指示所述终端设备在所述第二时间单元上第L次接收所述第一信息块,其中,1≤S≤N,1≤L≤N,S、L、N为整数。
  20. 根据权利要求16至19中任一项所述的网络设备,其特征在于,所述第一控制信息指示所述第一信息块的传输总次数为P;和/或所述第二控制信息指示所述第一信息块的传输总次数为Q,其中,1≤P≤N,1≤Q≤N,P、Q、N为整数。
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