CN101404526B - Descending control information processing method - Google Patents
Descending control information processing method Download PDFInfo
- Publication number
- CN101404526B CN101404526B CN 200810175504 CN200810175504A CN101404526B CN 101404526 B CN101404526 B CN 101404526B CN 200810175504 CN200810175504 CN 200810175504 CN 200810175504 A CN200810175504 A CN 200810175504A CN 101404526 B CN101404526 B CN 101404526B
- Authority
- CN
- China
- Prior art keywords
- control channel
- downlink control
- physical downlink
- pdcch
- carrier wave
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 230000010365 information processing Effects 0.000 title claims abstract description 20
- 238000003672 processing method Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 43
- 230000011664 signaling Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 9
- 239000013256 coordination polymer Substances 0.000 description 5
- 230000002776 aggregation Effects 0.000 description 4
- 238000004220 aggregation Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 101000741965 Homo sapiens Inactive tyrosine-protein kinase PRAG1 Proteins 0.000 description 1
- 102100038659 Inactive tyrosine-protein kinase PRAG1 Human genes 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a downlink control information processing method which comprises: a master physical downlink control channel on a carrier unit supported by a terminal and at least one slave physical downlink control channel attributive to the master physical downlink control channel are set; wherein, the master physical downlink control channel is used for carrying the reference information of the slave physical downlink control channel; the reference information comprises at least one of the following: the position information of the slave physical downlink control channel, the format information of the slave physical downlink control channel and all the downlink control information of the slave physical downlink control channel for carrying the terminal. A transmitting method for the downlink control information in an LTE-Advanced system is provided by the invention; compared with the prior art, the downlink control information processing method can compatible with LTE-Advanced and LTE Release-8, improves the dispatching flexibility and the throughput of the LTE-Advanced system and reduces the blind detection times of the terminal.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of descending control information processing method.
Background technology
Fig. 1 shows Long Term Evolution (Long Term Evolution, referred to as LTE) Frequency Division Duplexing (FDD) (Frequency Division Duplex in the system, referred to as FDD) the frame structure schematic diagram of pattern and time division duplex (Time Division Duplex is referred to as TDD) pattern.
As shown in Figure 1a, in the frame structure of fdd mode, the radio frames of a 10ms (radio frame) comprises that 20 length are the time slot of 0.5ms (slot), the numbering of time slot is followed successively by 0～19, wherein, time slot 2i and 2i+1 composition length is subframe (subframe) i of 1ms.
Shown in Fig. 1 b, in the frame structure of tdd mode, the radio frame of a 10ms comprises that two length are the field of 5ms (half frame), wherein, half frame comprises 5 and longly is the subframe of 1ms, and subframe i is defined as 2 and longly is time slot 2i and the 2i+1 of 0.5ms.
In above-mentioned two kinds of frame structures, for standard cyclic prefix (Normal CyclicPrefix is referred to as Normal CP), the symbol that it is 66.7us that time slot comprises 7 length, wherein the CP length of first symbol is 5.21us, and the CP length of all the other 6 symbols is 4.69us; For extended cyclic prefix (Extended Cyclic Prefix is referred to as Extended CP), a time slot comprises 6 symbols, and the CP length of these 6 symbols is 16.67us.
At present, LTE Release-8 has defined 6 kinds of bandwidth: 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz and 20MHz, and LTE system definition following three kinds of downlink physical control channels.
One, physical down control format indicating channel (Physical control formatindicator channel, referred to as PCFICH): the information of this channel bearing is used to indicate (the Physical downlink controlchannel of transmitting physical downlink channel control in a subframe, referred to as PDCCH) the number of OFDM symbol, wherein, PDCCH sends at first OFDM symbol of subframe, and the frequency location at PCFICH place is determined by system descending bandwidth and residential quarter ID.
Two, physical mixing retransmission indicating chanel (Physical hybrid ARQ indicatorchannel is referred to as PHICH): be used for carrying the ACK/NACK feedback information of up biography data.Wherein, the number of PHICH channel, time-frequency position can be determined by the system message among the PBCH and residential quarter ID.
Three, PDCCH: be used for carrying uplink and downlink schedule information, and uplink power control information, wherein, PDCCH is mapped to continuous control channel unit (Control ChannelElement, referred to as CCE) on, the form shfft of PDCCH understands the CCE quantity that PDCCH takies.
Long Term Evolution plan (Long Term Evolution-Advanced is referred to as LTE-Advanced) system of a new generation is the evolution version of LTE Release-8.It will satisfy the demand with LTE Release-8 backward compatibility, and namely the terminal of LTE Release-8 can be worked in the network of LTE-Advanced, and the terminal of LTE-Advanced also can be worked in the network of LTERelease-8.In addition, LTE-Advanced can work under different spectrum dispositions, comprises the spectrum disposition wider than LTE Release-8 (for example continuous frequency spectrum resource of 100MHz), to reach higher performance and target peak speed.
Consider the compatibility of LTE-Advanced and LTE Release-8, for the bandwidth greater than 20MHz, adopt the mode of spectrum aggregation (Carrier aggregation), two or more carrier wave unit (component carrier) assembles to support the downstream transmission bandwidth greater than 20MHz; Terminal can receive one or more carrier waves unit simultaneously by its ability; There is the LTE-A terminal that surpasses the 20MHz receiving ability can receive simultaneously transmission on a plurality of carrier waves unit.LTE Rel-8 terminal can only be received a transmission on the carrier wave unit, follows the Rel-8 standard such as the structure of this carrier wave unit.
Can find out, for the sending method that is carried on the Downlink Control Information among the PDCCH in the LTE-Advanced system, not provide concrete solution in the existing technical scheme, therefore, need a kind of scheme that can address this problem.
Summary of the invention
Consider that a kind of technology of the needs that exist in the correlation technique solves the problem of the sending method that is carried on the Downlink Control Information among the PDCCH in the LTE-Advanced system and proposes the present invention, for this reason, main purpose of the present invention is to provide a kind of descending control information processing method, to address the above problem.
According to an aspect of the present invention, provide a kind of descending control information processing method.
Descending control information processing method according to the present invention comprises: arrange in the carrier wave unit of terminal support the primary physical down control channel and belong to the primary physical down control channel at least one from Physical Downlink Control Channel; Wherein, the primary physical down control channel is used for carrying from the parameter information of Physical Downlink Control Channel, and it is one of following at least that parameter information comprises: from the positional information of Physical Downlink Control Channel, from the format information of Physical Downlink Control Channel; All Downlink Control Information that are used for the carrying terminal from Physical Downlink Control Channel.
According to an aspect of the present invention, provide a kind of descending control information processing method.
Descending control information processing method according to the present invention comprises: arrange in the carrier wave unit of terminal support the primary physical down control channel and belong to the primary physical down control channel at least one from Physical Downlink Control Channel; Wherein, the primary physical down control channel is used for the Downlink Control Information of the carrier wave unit at its place of carrying, is used for the Downlink Control Information of the carrier wave unit except the carrier wave unit at primary physical down control channel place that the carrying terminal supports from Physical Downlink Control Channel.
By above-mentioned at least one technical scheme of the present invention, the sending method of Downlink Control Information in the LTE-Advanced system is provided, than prior art, can compatible LTE-Advanced and LTE Release-8, improve dispatching flexibility and the throughput of LTE-Advanced system, reduced the blind Detecting number of times of terminal.
Description of drawings
Accompanying drawing is used to provide a further understanding of the present invention, and consists of the part of specification, is used for together with embodiments of the present invention explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 a is the frame structure schematic diagram according to the LTE system fdd mode of correlation technique;
Fig. 1 b is the frame structure schematic diagram according to the LTE system TDD mode of correlation technique;
Fig. 2 is the flow chart according to the descending control information processing method of the inventive method embodiment one;
Fig. 3 a is the schematic diagram according to the PDCCH structure of the inventive method embodiment one;
Fig. 3 b is the schematic diagram according to the PDCCH structure of the inventive method embodiment two;
Fig. 3 c is the schematic diagram according to the PDCCH structure of the inventive method embodiment three;
Fig. 4 is the flow chart according to the descending control information processing method of the inventive method embodiment two;
Fig. 5 a is the schematic diagram according to the PDCCH structure of the inventive method embodiment four;
Fig. 5 b is the schematic diagram according to the PDCCH structure of the inventive method embodiment five;
Fig. 5 c is the schematic diagram according to the PDCCH structure of the inventive method embodiment six;
Fig. 5 d is the schematic diagram according to the PDCCH structure of the inventive method embodiment seven.
Embodiment
Functional overview
Basic ideas of the present invention are: because the transmission for Downlink Control Information is the not corresponding description of form of PDCCH in the present LTE-Advanced standard, for this problem, the invention provides a kind of descending control information processing method, by main PDCCH being set and from PDCCH, and at main PDCCH with from the corresponding information of PDCCH carrying, terminal obtains Downlink Control Information by the information that reads main PDCCH and carry from PDCCH.
Describe the present invention in detail below in conjunction with accompanying drawing.
Embodiment of the method one
According to the embodiment of the invention, provide a kind of descending control information processing method.
Need to prove that for convenience of description, illustrated and described hereinafter the technical scheme of embodiment of the method for the present invention with the form of step, shown step can be carried out hereinafter in the computer system such as one group of computer executable instructions.Although shown in the drawings of logical order, in some cases, can carry out step shown or description with the order that is different from herein relevant.
Fig. 2 is the flow chart according to the descending control information processing method of the embodiment of the invention, and as shown in Figure 2, the method may further comprise the steps (step S202 is to step S204):
Step S202, arrange in the carrier wave unit of terminal support the primary physical down control channel and belong to the primary physical down control channel at least one from Physical Downlink Control Channel, wherein, the number of primary physical down control channel can be 1;
Step S204, primary physical down control channel are used for carrying from the parameter information of Physical Downlink Control Channel, and it is one of following at least that parameter information comprises: from the positional information of Physical Downlink Control Channel, from the format information of Physical Downlink Control Channel; All Downlink Control Information that are used for the carrying terminal from Physical Downlink Control Channel, all Downlink Control Information that are used for the carrying terminal from Physical Downlink Control Channel, wherein, it is one of following that positional information can comprise: the quantity from the position of the carrier wave unit at Physical Downlink Control Channel place, from the original position of the control channel unit of Physical Downlink Control Channel in the carrier wave unit at its place, carrying from the control channel unit of Physical Downlink Control Channel, preferably, above-mentioned parameter information can also comprise the number from Physical Downlink Control Channel.
In specific implementation process, the primary physical down control channel with can be positioned on the same carrier wave unit from Physical Downlink Control Channel, also can be positioned on the different carrier wave unit, and each can carry the Downlink Control Information of one or more carrier waves unit from Physical Downlink Control Channel, wherein, the primary physical down control channel can be positioned on the carrier wave unit, and each can be positioned on one or more carrier waves unit from Physical Downlink Control Channel.
The technical scheme that provides by the embodiment of the invention, the sending method of Downlink Control Information in the LTE-Advanced system is provided, than prior art, can compatible LTE-Advanced and LTE Release-8, improve dispatching flexibility and the throughput of LTE-Advanced system, reduced the blind Detecting number of times of terminal.
In Physical Downlink Control Channel (PDCCH), the form of Downlink Control Information (DownlinkControl Information) can be divided into following several: DCI format 0, DCIformat 1, DCI format 1A, DCI format 1B, DCI format 1C, DCI format1D, DCI format 2 and DCI format 2A; Wherein, DCI format 0 is used to indicate the scheduling of Physical Uplink Shared Channel (Physical uplink shared channel is referred to as PUSCH); DCI format 1, DCI format 1A, DCI format 1B, DCI format1C, DCI format 1D are used to indicate the different mode of Physical Downlink Shared Channel (Physical downlinkshared channel is referred to as PDSCH) code word scheduling; DCI format2, DCI format 2A is used for the different pattern of space division multiplexing; DCI format 3, DCIformat 3A are used to indicate the different mode of the power control instruction of Physical Uplink Control Channel (Physical uplink controlchannel is referred to as PUCCH) and PUSCH.
In data transmission procedure, the transmission of business datum mainly contains 7 kinds of transmission modes, and every kind of pattern has corresponding DCI format, and the PDCCH pattern that subscriber equipment (user equipment is referred to as UE) receives is by the semi-static configuration of high-level signaling.
Wherein, be used for the physical resource of transmission PDCCH with control channel unit (ControlChannel Element, referred to as CCE) be unit, a PDCCH may take 1,2,4,8 CCE, wherein, the size of a CCE is 9 resource groups (Resource Element Group is referred to as REG), i.e. 36 Resource Units (Resource Element is referred to as RE).For four kinds of PDCCH of 1,2,4,8 CCE, adopt tree-shaped set (Aggregation), that is: the PDCCH of a CCE can be from any CCE position; The PDCCH of two CCE is from even number CCE position; The CCE position of the integral multiple of the PDCCH of four CCE since four; The CCE position of the integral multiple of the PDCCH of eight CCE since eight.
The set of above-mentioned each grade (Aggregation level) defines a search volume, comprises the search volume of publicly-owned (common) and terminal proprietary (UE Specific).The OFDM symbolic number that the controlled area that the CCE number of whole search volume is indicated by PCFICH in each descending sub frame is shared and the group number of PHICH determine that UE DCI format by transmission mode of living in the search volume carries out blind Detecting to all possible PDCCH code checks.
The number of the descending carrier unit of supposing the system (component carrier) is 5, and the descending receiving ability of LTE-Advanced terminal is identical with the system descending bandwidth.
The LTE-Advanced terminal is passed through blind Detecting, at least one that obtains to carry among the main PDCCH is from the parameter information of PDCCH, this parameter information can comprise quantity from PDCCH, respectively from the positional information of PDCCH, wherein, this positional information can for following one of at least: the CCE position from the carrier wave unit at PDCCH place, in the carrier wave unit at PDCCH place.
The LTE-Advanced terminal detects from PDCCH by the indication of this parameter information, detects respectively behind PDCCH, and the LTE-Advanced terminal is carried out follow-up associative operation according to the control information of respectively carrying from PDCCH.
Example one
Fig. 3 a shows the main PDCCH shown in the example one and from the indication schematic diagram of PDCCH, shown in Fig. 3 a, main PDCCH is positioned on the component carrier3, main PDCCH carries separately a plurality of parameter informations from PDCCH that belong to this main PDCCH to each descending carrier unit, in the figure, component carrier2, have from PDCCH on componentcarrier3 and the component carrier5, and component carrier2, carry its separately Downlink Control Information of place carrier wave unit from PDCCH on component carrier3 and the component carrier5.
The LTE-Advanced terminal is passed through blind Detecting, obtain to carry among the main PDCCH respectively behind the parameter information of PDCCH, the LTE-Advanced terminal detects component carrier2 according to the indication of this parameter information, on component carrier3 and the component carrier5 from PDCCH, detect component carrier2, behind the PDCCH on component carrier3 and the component carrier5, the LTE-Advanced terminal is according to component carrier2, follow-up associative operation is carried out in the control information of carrying from PDCCH on component carrier3 and the component carrier5.
The dotted line frame table is shown on this carrier wave unit not from PDCCH among Fig. 3 a, namely on component carrier1 and the component carrier4 not from PDCCH, not bearing downlink control information.
Example two
Fig. 3 b shows the main PDCCH shown in the example two and from the indication schematic diagram of PDCCH, shown in Fig. 3 b, main PDCCH is positioned on the component carrier3, main PDCCH indicates separately a plurality of parameter informations from PDCCH that belong to this main PDCCH to each descending carrier unit, in the figure, have from PDCCH on component carrier3 and the componentcarrier5, and can carry the Downlink Control Information of a plurality of carrier waves unit from PDCCH on component carrier3 and the component carrier5, for example, on the component carrier3 from PDCCH carrying component carrier1, Downlink Control Information on component carrier2 and the component carrier3, the Downlink Control Information on PDCCH carrying component carrier4 and the component carrier5 on the component carrier5.
The LTE-Advanced terminal is passed through blind Detecting, obtain to carry among the main PDCCH respectively behind the parameter information of PDCCH, the LTE-Advanced terminal according to the indication of this parameter information detect on component carrier3 and the component carrier5 from PDCCH, after detecting the PDCCH on component carrier3 and the component carrier5, the LTE-Advanced terminal is carried out follow-up associative operation according to the control information of carrying from PDCCH on component carrier3 and the component carrier5.
Example three
Fig. 3 c shows the main PDCCH shown in the example three and from the indication schematic diagram of PDCCH, shown in Fig. 3 c, comprise that a main PDCCH and one are from PDCCH, wherein, this main PDCCH is positioned on the component carrier3, be positioned on a plurality of component carrier from PDCCH, and carry the Downlink Control Information of a plurality of component carrier, namely should be positioned at component carrier3 from PDCCH, on component carrier4 and the component carrier5, and the Downlink Control Information on carrying component carrier4 and the componentcarrier5, main PDCCH carries this from the parameter information of PDCCH.
The LTE-Advanced terminal is passed through blind Detecting, obtain to carry among the main PDCCH behind the parameter information of PDCCH, obtain the data of CCE carrying in corresponding carrier wave unit by its indication, and according to the carrier wave unit number, the data of carrying on the corresponding carriers unit are merged, detect behind PDCCH, the LTE-Advanced terminal is carried out follow-up associative operation according to the Downlink Control Information that carries from PDCCH.
By example one, example two and example three described methods, can increase the flexibility of system call, improve the throughput of system, reduce the blind Detecting number of times.
Embodiment of the method two
According to the embodiment of the invention, provide a kind of descending control information processing method.
Fig. 4 is the flow chart according to the descending control information processing method of the embodiment of the invention, and as shown in Figure 4, the method may further comprise the steps (step S402 is to step S404):
Step S402, arrange in the carrier wave unit of terminal support the primary physical down control channel and belong to the primary physical down control channel at least one from Physical Downlink Control Channel wherein, the number of primary physical down control channel can be 1;
Step S404, the primary physical down control channel is used for the Downlink Control Information of the carrier wave unit at its place of carrying, is used for the Downlink Control Information of the carrier wave unit except the carrier wave unit at primary physical down control channel place that the carrying terminal supports from Physical Downlink Control Channel.
In specific implementation process, the primary physical down control channel with can be positioned on the same carrier wave unit from Physical Downlink Control Channel, also can be positioned on the different carrier wave unit, and each can carry the Downlink Control Information of one or more carrier waves unit from Physical Downlink Control Channel, wherein, the primary physical down control channel can be positioned on the carrier wave unit, can be positioned on one or more carrier waves unit from Physical Downlink Control Channel.
Preferably, the primary physical down control channel can also be used for carrying from the parameter information of Physical Downlink Control Channel, one of below parameter information comprises at least: from the positional information of Physical Downlink Control Channel, format information from Physical Downlink Control Channel, it is one of following that positional information can comprise: from the position of the carrier wave unit at Physical Downlink Control Channel place, original position from the control channel unit of Physical Downlink Control Channel in the carrier wave unit at its place, carrying is from the quantity of the control channel unit of Physical Downlink Control Channel, preferably, above-mentioned parameter information can also comprise the number from Physical Downlink Control Channel.
The number of the descending carrier unit of supposing the system is 5, and the descending receiving ability of LTE-Advanced terminal is identical with the system descending bandwidth.
The LTE-Advanced terminal is all carried out blind Detecting to main PDCCH with from PDCCH, obtain the Downlink Control Information on the carrier wave unit at its place of carrying among the main PDCCH, and the Downlink Control Information on other carrier wave unit of this LTE-Advanced terminal that from PDCCH, carry.
The LTE-Advanced terminal is passed through blind Detecting, at least one that obtains to carry among the main PDCCH is from the parameter information of PDCCH, this parameter information can comprise quantity from PDCCH, respectively from the positional information of PDCCH, wherein, this positional information can for following one of at least: the CCE position from the carrier wave unit at PDCCH place, in the carrier wave unit at PDCCH place.
The LTE-Advanced terminal detects from PDCCH by the indication of this parameter information, detects respectively behind PDCCH, and the LTE-Advanced terminal is carried out follow-up associative operation according to the control information of respectively carrying from PDCCH.
Example four
Fig. 5 a shows the main PDCCH shown in the example three and from the indication schematic diagram of PDCCH, shown in Fig. 5 a, main PDCCH is positioned on the component carrier3, the Downlink Control Information of this main PDCCH carrying component carrier3, in the figure, only having has on the componentcarrier3 from PDCCH, namely main PDCCH be positioned at identical carrier wave unit from PDCCH on, and can carry the Downlink Control Information of a plurality of carrier waves unit from PDCCH on the component carrier3, for example, the Downlink Control Information on PDCCH carrying component carrier2 and the component carrier4 on the component carrier3 should be 2 from component carrier number corresponding to PDCCH namely.
At this moment, the LTE-Advanced terminal can be carried out blind Detecting, obtains the Downlink Control Information from PDCCH on main PDCCH and the component carrier3, and carries out follow-up associative operation.
Preferably, main PDCCH can also carry a plurality of parameter informations from PDCCH that belong to this main PDCCH, at this moment, the LTE-Advanced terminal is passed through blind Detecting, obtain to carry among the main PDCCH respectively behind the parameter information of PDCCH, the LTE-Advanced terminal according to the indication of this parameter information detect on the component carrier3 from PDCCH, after detecting the PDCCH on the component carrier3, the LTE-Advanced terminal is carried out follow-up associative operation according to the control information of carrying from PDCCH on the component carrier3.
Example five
Fig. 5 b shows the main PDCCH shown in the example four and from the indication schematic diagram of PDCCH, shown in Fig. 5 b, main PDCCH is positioned on the component carrier3, the Downlink Control Information of this main PDCCH carrying component carrier3, in the figure, only having has on the componentcarrier4 from PDCCH, namely main PDCCH be positioned at different carrier wave unit from PDCCH on, and can carry the Downlink Control Information of a plurality of carrier waves unit from PDCCH on the component carrier4, for example, on the component carrier3 from PDCCH carrying component carrier1, Downlink Control Information on component carrier4 and the component carrier5 should be 3 from component carrier number corresponding to PDCCH namely.
At this moment, the LTE-Advanced terminal can be carried out blind Detecting, obtains the Downlink Control Information from PDCCH on main PDCCH and the component carrier4, and carries out follow-up associative operation.
Preferably, main PDCCH can also carry a plurality of parameter informations from PDCCH that belong to this main PDCCH, at this moment, the LTE-Advanced terminal is passed through blind Detecting, obtain to carry among the main PDCCH respectively behind the parameter information of PDCCH, the LTE-Advanced terminal according to the indication of this parameter information detect on the component carrier4 from PDCCH, after detecting the PDCCH on the component carrier4, the LTE-Advanced terminal is carried out follow-up associative operation according to the control information of carrying from PDCCH on the component carrier4.
Example six
Fig. 5 c shows the main PDCCH shown in the example five and from the indication schematic diagram of PDCCH, shown in Fig. 5 c, main PDCCH is positioned on the component carrier3, the Downlink Control Information of this main PDCCH carrying component carrier3, in the figure, have from PDCCH on componentcarrier4 and the component carrier5, namely main PDCCH be positioned at different carrier wave unit from PDCCH on, and can carry the Downlink Control Information of a plurality of carrier waves unit from PDCCH on component carrier4 and the componentcarrier5, for example, all carry component carrier1 from PDCCH on component carrier4 and the component carrier5, component carrier2, Downlink Control Information on component carrier4 and the component carrier5, namely each is 4 from component carrier number corresponding to PDCCH.
At this moment, the LTE-Advanced terminal can be carried out blind Detecting, obtains the Downlink Control Information from PDCCH on PDCCH, the component carrier5 on main PDCCH, the component carrier4, and carries out follow-up associative operation.
Preferably, main PDCCH can also carry a plurality of parameter informations from PDCCH that belong to this main PDCCH, at this moment, the LTE-Advanced terminal is passed through blind Detecting, obtain to carry among the main PDCCH respectively behind the parameter information of PDCCH, the LTE-Advanced terminal according to the indication of this parameter information detect on component carrier4 and the componentcarrier5 from PDCCH, after detecting the PDCCH on component carrier4 and the componentcarrier5, the LTE-Advanced terminal is carried out follow-up associative operation according to the control information of carrying from PDCCH on componentcarrier4 and the component carrier5 respectively.
Example seven
Fig. 5 d shows the main PDCCH shown in the example six and from the indication schematic diagram of PDCCH, shown in Fig. 5 d, is carrying top signaling in the PDSCH of m subframe master PDCCH indication, and this top signaling indication is from information such as the position of PDCCH and forms.Since (m+n) individual subframe, the LTE-Advanced terminal by the configuration of m subframe top signaling to detecting from PDCCH and carry out associative operation by the control information of its carrying, until till the new signal deployment, wherein, m, the n value is nonnegative integer.
The LTE-Advanced terminal is carried out follow-up associative operation according to the control information on the carrier wave unit at main PDCCH place, at high-level signaling during by the PDSCH of carrier wave unit carrying, the LTE-Advanced terminal according to the carrier wave unit of this high-level signaling indication and format detection from PDCCH, detect behind PDCCH, the LTE-Advanced terminal is carried out follow-up associative operation according to the control information of carrying from PDCCH on componentcarrier4 and the component carrier5.
As mentioned above, by means of descending control information processing method provided by the invention, the sending method of Downlink Control Information in the LTE-Advanced system is provided, than prior art, can compatible LTE-Advanced and LTE Release-8, improve dispatching flexibility and the throughput of LTE-Advanced system, reduced the blind Detecting number of times of terminal.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (18)
1. a LTE-Advanced system descending control information processing method is characterized in that, comprising:
Arrange in the carrier wave unit of LTE-Advanced terminal support the primary physical down control channel and belong to described primary physical down control channel at least one from Physical Downlink Control Channel;
Wherein, described primary physical down control channel is used for carrying described parameter information from Physical Downlink Control Channel, and it is one of following at least that described parameter information comprises: from the positional information of Physical Downlink Control Channel, from the format information of Physical Downlink Control Channel; Described all Downlink Control Information that are used for the carrying terminal from Physical Downlink Control Channel.
2. method according to claim 1 is characterized in that, described primary physical down control channel and describedly be positioned on the same carrier wave unit from Physical Downlink Control Channel.
3. method according to claim 1 is characterized in that, described primary physical down control channel is positioned on the different carrier wave unit from Physical Downlink Control Channel from described.
4. method according to claim 1 is characterized in that, each carries the Downlink Control Information of one or more carrier waves unit from Physical Downlink Control Channel.
5. method according to claim 1 is characterized in that, described primary physical down control channel is positioned on the carrier wave unit.
6. method according to claim 1 is characterized in that, each is positioned on one or more carrier waves unit from Physical Downlink Control Channel.
7. each described method in 6 according to claim 1 is characterized in that the number of described primary physical down control channel is 1.
8. each described method in 6 according to claim 1, it is characterized in that it is one of at least following that described positional information comprises: the quantity from the position of the carrier wave unit at Physical Downlink Control Channel place, from the original position of the control channel unit of Physical Downlink Control Channel in the carrier wave unit at its place, carrying from the control channel unit of Physical Downlink Control Channel.
9. a LTE-Advanced system descending control information processing method is characterized in that, comprising:
Arrange in the carrier wave unit of LTE-Advanced terminal support the primary physical down control channel and belong to described primary physical down control channel at least one from Physical Downlink Control Channel;
Wherein, described primary physical down control channel is used for the Downlink Control Information of the carrier wave unit at its place of carrying, the described Downlink Control Information that is used for the carrier wave unit except the carrier wave unit at described primary physical down control channel place that the carrying terminal supports from Physical Downlink Control Channel.
10. method according to claim 9 is characterized in that, described primary physical down control channel and describedly be positioned on the same carrier wave unit from Physical Downlink Control Channel.
11. method according to claim 9 is characterized in that, described primary physical down control channel is positioned on the different carrier wave unit from Physical Downlink Control Channel from described.
12. method according to claim 9 is characterized in that, each carries the Downlink Control Information of one or more carrier waves unit from Physical Downlink Control Channel.
13. method according to claim 9 is characterized in that, described primary physical down control channel is positioned on the carrier wave unit.
14. method according to claim 9 is characterized in that, each is positioned on one or more carrier waves unit from Physical Downlink Control Channel.
15. method according to claim 9 is characterized in that, the number of described primary physical down control channel is 1.
16. method according to claim 9, it is characterized in that, controlled by high-level signaling from the parameter information of Physical Downlink Control Channel, it is one of at least following that described parameter information comprises: from the positional information of Physical Downlink Control Channel, from the format information of Physical Downlink Control Channel.
17. method according to claim 9 is characterized in that, also comprises:
Described primary physical down control channel is used for carrying described parameter information from Physical Downlink Control Channel, and it is one of following at least that described parameter information comprises: from the positional information of Physical Downlink Control Channel, from the format information of Physical Downlink Control Channel.
18. according to claim 16 or 17 described methods, it is characterized in that it is one of at least following that described positional information comprises: the quantity from the position of the carrier wave unit at Physical Downlink Control Channel place, from the original position of the control channel unit of Physical Downlink Control Channel in the carrier wave unit at its place, carrying from the control channel unit of Physical Downlink Control Channel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810175504 CN101404526B (en) | 2008-11-03 | 2008-11-03 | Descending control information processing method |
| PCT/CN2009/072925 WO2010060308A1 (en) | 2008-11-03 | 2009-07-27 | Processing method of downlink control information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810175504 CN101404526B (en) | 2008-11-03 | 2008-11-03 | Descending control information processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101404526A CN101404526A (en) | 2009-04-08 |
| CN101404526B true CN101404526B (en) | 2013-05-01 |
Family
ID=40538407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810175504 Active CN101404526B (en) | 2008-11-03 | 2008-11-03 | Descending control information processing method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101404526B (en) |
| WO (1) | WO2010060308A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI728328B (en) | 2017-03-22 | 2021-05-21 | 聯發科技股份有限公司 | Physical downlink control channel design method for nr systems and user equipment |
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101404526B (en) * | 2008-11-03 | 2013-05-01 | 中兴通讯股份有限公司 | Descending control information processing method |
| CN101873669B (en) * | 2009-04-22 | 2012-12-26 | 电信科学技术研究院 | System information notification method, system and device |
| GB2469800A (en) | 2009-04-27 | 2010-11-03 | Nec Corp | Communications system |
| WO2010124444A1 (en) * | 2009-04-27 | 2010-11-04 | 华为技术有限公司 | Methods for transmitting and receiving information and devices thereof |
| CN102415205B (en) * | 2009-04-28 | 2017-07-28 | 三菱电机株式会社 | Gsm |
| CN101610564B (en) * | 2009-04-29 | 2015-04-01 | 中兴通讯股份有限公司 | Method for sending and detecting downlink control information |
| US8995358B2 (en) * | 2009-04-30 | 2015-03-31 | Qualcomm Incorporated | False detection reduction during multi-carrier operation |
| US8989208B2 (en) * | 2009-04-30 | 2015-03-24 | Qualcomm Incorporated | PDCCH search space design for LTE-A multi-carrier operation |
| CN101888648A (en) | 2009-05-11 | 2010-11-17 | 大唐移动通信设备有限公司 | Uplink synchronous control method and device |
| JPWO2010137672A1 (en) * | 2009-05-25 | 2012-11-15 | 日本電気株式会社 | Base station apparatus, communication system, mapping control method and program |
| CN101909333B (en) * | 2009-06-05 | 2014-08-20 | 电信科学技术研究院 | Method, equipment and method for transmitting PDCCH schedule |
| US8908560B2 (en) | 2009-06-19 | 2014-12-09 | Mitsubishi Electric Corporation | Mobile communication system |
| ES2541836T3 (en) * | 2009-06-25 | 2015-07-27 | Koninklijke Philips N.V. | Communications procedure in a mobile network |
| CN105530710B (en) * | 2009-06-30 | 2019-03-05 | 华为技术有限公司 | A kind of ascending resource acquisition methods, dispatching method, apparatus and system |
| CN101998504B (en) | 2009-08-10 | 2013-04-10 | 电信科学技术研究院 | Method and device for transmitting downstream message in multiple carrier wave polymerizing system |
| CN101998681B (en) * | 2009-08-15 | 2014-07-09 | 华为技术有限公司 | Method for processing signaling, and base station and user equipment |
| CN101998509B (en) | 2009-08-28 | 2013-01-23 | 华为技术有限公司 | Method and device for determining searching space and candidate control channel resources |
| KR102095724B1 (en) | 2009-09-28 | 2020-04-02 | 삼성전자 주식회사 | Extending physical downlink control channels |
| CN102035772B (en) * | 2009-09-29 | 2014-06-04 | 华为技术有限公司 | Multi-carrier-based blind detection method and user equipment (UE) |
| CN102014494B (en) * | 2009-09-29 | 2012-07-04 | 电信科学技术研究院 | Configuration method and device of downlink scheduling information |
| CN102036305B (en) | 2009-09-30 | 2014-05-07 | 华为技术有限公司 | Transmitting method and receiving method of control information, devices and communication system |
| CN102056185B (en) * | 2009-10-31 | 2014-12-10 | 华为技术有限公司 | Channel blind detection method, channel assignment method and device |
| CN102056198B (en) * | 2009-10-31 | 2015-06-03 | 华为技术有限公司 | Downlink channel transmission and detection method, device and system |
| US8812006B2 (en) * | 2009-11-02 | 2014-08-19 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and arrangements in a wireless communication system |
| WO2011054148A1 (en) | 2009-11-06 | 2011-05-12 | 华为技术有限公司 | Method and device for resource configuration |
| CN102088343B (en) * | 2009-12-03 | 2014-06-25 | 华为技术有限公司 | Method for feeding acknowledgement (ACK)/negative acknowledgement (NACK) back during carrier aggregation, base station and user equipment |
| CN102111851B (en) * | 2009-12-23 | 2014-06-18 | 中兴通讯股份有限公司南京分公司 | Method for realizing downlink control signaling transmission and system thereof |
| US8804586B2 (en) | 2010-01-11 | 2014-08-12 | Blackberry Limited | Control channel interference management and extended PDCCH for heterogeneous network |
| EP2524436B1 (en) * | 2010-01-11 | 2019-10-16 | BlackBerry Limited | Control channel interference management for heterogeneous network via an extended pdcch |
| EP2534899A1 (en) | 2010-02-12 | 2012-12-19 | InterDigital Patent Holdings, Inc. | Method and apparatus for enhancing cell-edge user performance and signaling radio link failure conditions via downlink cooperative component carriers |
| CN102083223A (en) * | 2010-03-05 | 2011-06-01 | 大唐移动通信设备有限公司 | DCI (Downlink Control Information) sending method, system and device as well as uplink transmission method, system and device |
| CN102215507B (en) * | 2010-04-02 | 2015-07-22 | 中兴通讯股份有限公司 | Method and system for detecting downlink control channel |
| CN102215586B (en) * | 2010-04-02 | 2014-12-17 | 电信科学技术研究院 | Method and equipment for PDCCH (Physical Downlink Control Channel) blind detection |
| WO2011129537A2 (en) * | 2010-04-14 | 2011-10-20 | 엘지전자 주식회사 | Method for setting a search space for a relay node in a wireless communication system and apparatus for same |
| CN102378255B (en) * | 2010-08-24 | 2014-07-16 | 中兴通讯股份有限公司 | Method and device for improving transmission performance of physical downlink control channel (PDCCH) |
| CN102158976B (en) * | 2011-04-02 | 2013-06-26 | 电信科学技术研究院 | Method, system and device for scheduling and receiving data |
| JP5810399B2 (en) * | 2011-04-27 | 2015-11-11 | シャープ株式会社 | Base station, terminal and radio communication method |
| JP5801093B2 (en) | 2011-04-27 | 2015-10-28 | シャープ株式会社 | Base station, terminal, communication system and communication method |
| CN102186251B (en) * | 2011-04-29 | 2016-09-28 | 中兴通讯股份有限公司 | The transmission method of Downlink Control Information and system |
| CN102781095B (en) * | 2011-05-09 | 2015-07-29 | 华为技术有限公司 | The method of transfer of data, base station, subscriber equipment and system |
| CN102891728B (en) * | 2011-07-20 | 2016-06-08 | 华为技术有限公司 | A kind of Physical Downlink Control Channel sends and blind checking method, equipment |
| CN102932299B (en) * | 2011-08-08 | 2015-12-16 | 普天信息技术研究院有限公司 | A kind of sending method of Physical Downlink Control Channel |
| CN102820960B (en) | 2012-01-09 | 2014-08-20 | 华为终端有限公司 | Method for realizing hybrid automatic repeat request, user equipment and base station |
| CN104936206A (en) * | 2014-03-20 | 2015-09-23 | 中兴通讯股份有限公司 | Configuration and detection method, device and system of control channel |
| CN106686741B (en) | 2015-11-11 | 2020-04-14 | 华为技术有限公司 | Method, apparatus, storage medium and communication system for transmitting scheduling information |
| CN107534532A (en) * | 2015-12-04 | 2018-01-02 | 华为技术有限公司 | The method and apparatus of data transfer |
| CN107959557B (en) * | 2016-10-15 | 2020-01-03 | 上海朗帛通信技术有限公司 | Method and equipment in UE (user equipment) supporting multi-carrier communication and base station |
| CN108271261B (en) * | 2016-12-30 | 2023-06-27 | 华为技术有限公司 | Downlink control channel indication method, terminal equipment and network equipment |
| EP3565342B1 (en) | 2017-01-18 | 2023-12-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Methods for transmitting downlink control information, terminal device and network device |
| CN116133098A (en) * | 2017-03-24 | 2023-05-16 | 中兴通讯股份有限公司 | A transmission method and device for a physical downlink control channel |
| CN110719645B (en) | 2018-07-13 | 2021-12-14 | 维沃移动通信有限公司 | A channel detection indication method, terminal and network device |
| WO2020087326A1 (en) | 2018-10-31 | 2020-05-07 | Oppo广东移动通信有限公司 | Method and device for pdcch monitoring |
| CN113014641A (en) * | 2021-02-23 | 2021-06-22 | 合肥师范学院 | Method and system for controlling machine equipment by using industrial big data system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1956589A (en) * | 2005-10-27 | 2007-05-02 | 华为技术有限公司 | A realization method of uplink/downlink control channel |
| CN101242216A (en) * | 2007-02-06 | 2008-08-13 | 北京三星通信技术研究有限公司 | Transmission equipment and method for downlink control signaling in wireless communication system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100393173C (en) * | 2005-08-17 | 2008-06-04 | 中兴通讯股份有限公司 | Method for configuring high-speed downlink shared channel in multi-carrier cell in TD-SCDMA system |
| CN100547951C (en) * | 2005-11-15 | 2009-10-07 | 鼎桥通信技术有限公司 | Physical Channel Configuration and Signaling Transmission Method in TD-SCDMA System |
| CN101043499B (en) * | 2006-04-14 | 2011-06-22 | 华为技术有限公司 | Method and device for capturing signals transmitted on a channel in an OFDM system |
| US9143288B2 (en) * | 2006-07-24 | 2015-09-22 | Qualcomm Incorporated | Variable control channel for a wireless communication system |
| CN101404526B (en) * | 2008-11-03 | 2013-05-01 | 中兴通讯股份有限公司 | Descending control information processing method |
-
2008
- 2008-11-03 CN CN 200810175504 patent/CN101404526B/en active Active
-
2009
- 2009-07-27 WO PCT/CN2009/072925 patent/WO2010060308A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1956589A (en) * | 2005-10-27 | 2007-05-02 | 华为技术有限公司 | A realization method of uplink/downlink control channel |
| CN101242216A (en) * | 2007-02-06 | 2008-08-13 | 北京三星通信技术研究有限公司 | Transmission equipment and method for downlink control signaling in wireless communication system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI728328B (en) | 2017-03-22 | 2021-05-21 | 聯發科技股份有限公司 | Physical downlink control channel design method for nr systems and user equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101404526A (en) | 2009-04-08 |
| WO2010060308A1 (en) | 2010-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101404526B (en) | Descending control information processing method | |
| US20210167894A1 (en) | Method of transmitting and receiving data channel for new radio and apparatus using the same | |
| CN104769878B (en) | Distributed in a communications system for E PDCCH PUCCH resource | |
| CN101789823B (en) | Method and system for transmitting control format indicating value | |
| CN101651996B (en) | Method and system for transmitting index of component carrier and control format indicating value | |
| JP5524341B2 (en) | Method and system for transmitting downlink control information | |
| CN109547182B (en) | Method and apparatus for transmitting and receiving control information and data in a frame structure of a short transmission time interval | |
| CN116743323A (en) | Method, device and system for downlink data reception and HARQ-ACK transmission in wireless communication system | |
| CN105830363A (en) | Method for transmitting and receiving signal for low latency in wireless communication system and apparatus therefor | |
| CN105210311A (en) | Method for receiving system information by mtc device located in cell coverage-expanded area | |
| KR102629352B1 (en) | Method and apparatus for deciding timing of uplink data and control signal transmission in wirelss cellular communication system | |
| KR20120115363A (en) | Method and device for detecting downlink control infomation | |
| CN101662833A (en) | Selection method and device of component carrier of uplink hybrid repeat feedback information | |
| KR20110073689A (en) | A method for defining the transmission / reception timing of a physical channel in a TD communication system supporting cross carrier scheduling | |
| CN104937865A (en) | Method and device for monitoring downlink control channel in wireless communication system | |
| CN101610564A (en) | A kind of transmission of Downlink Control Information and detection method | |
| CN103733549A (en) | Method and apparatus for transmitting control information in a wireless communication system | |
| KR20250079030A (en) | Method, device, and system for transmitting physical uplink control channel in wireless communication system | |
| KR20190029585A (en) | Data transmission method and terminal device | |
| CN104769990A (en) | Method of detecting control information in wireless communication system, and apparatus for same | |
| CN105684337A (en) | Harq operation when tdd cell and fdd cell are included in carrier aggregation | |
| WO2022210002A1 (en) | Method, user equipment, and anaccess network node | |
| EP3410796B1 (en) | Method and apparatus for transmitting and detecting downlink control information | |
| CN104982000A (en) | Method and apparatus for communicating in carrier aggregation system | |
| CN105122677A (en) | Method and apparatus for allocating resources to multiple sites which use same frequency band |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |