CN101834658B - A kind of uplink control signaling sending method and equipment - Google Patents
A kind of uplink control signaling sending method and equipment Download PDFInfo
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Abstract
The invention discloses a kind of uplink control signaling sending method and equipment, solve the problem that in carrier aggregation system, response message sends with SR, CSI respectively simultaneously.The present invention is applicable to the scene that the response message in upstream control signaling sends at a upstream components carrier wave with other upstream control signalings except described response message simultaneously, described method comprises: UE receives the PDSCH be carried on downlink component carrier that base station sends, when described UE judges downstream arrangements information dropout occurs, the content arranging response message is the information representing DTX, when described UE judges downstream arrangements information dropout does not occur, the content arranging described response message is represent the correct number information being carried on the PDSCH on downlink component carrier received, or the content arranging described response message is the number information being carried on the PDSCH on downlink component carrier representing garbled-reception, described UE is to response message described in described base station feedback.
Description
Technical field
The present invention relates to digital communicating field, particularly relate to a kind of uplink control signaling sending method and equipment.
Background technology
The reliability of develop rapidly to data communication of digital communication system is had higher requirement, but under severe channel, especially in high data rate or high-speed mobile environment, multi-path jamming and Doppler frequency shift etc. seriously affect systematic function.Therefore, effective error-control technique, especially mixing automatic repeat request (HARQ, HybridAutomaticRepeatRequest) technology just becomes the focus endeavouring to study in the communications field.
At long evolving system (LTE, LongTermEvolution) in descending HARQ, Physical Downlink Shared Channel (PDSCH, PhysicalDownlinkSharedChannel) ACK/NACK (Acknowledgement/NegativeAcknowledgement) response message, at terminal (UE, UserEquipment) Physical Uplink Shared Channel (PUSCH is not had, PhysicalUplinkSharedChannel) time, be that row control channel (PUCCH, PhysicalUplinkControlChannel) is upper physically to send.LTE defines multiple PUCCH format (format), comprise PUCCHformat1, 1a, 1b and format2, 2a, 2b, wherein format1 is used for sending the dispatch request (SR of UE, SchedulingRequest) signal, format1a and 1b is used for the response message of feedback 1 bit and the response message of 2 bits respectively, format2 is used for sending descending channel condition information (CSI, ChannelStateInformation), format2a is used for sending the response message of CSI and 1 bit, format2b is used for sending the response message of CSI information and 2 bits.
In LTE system, at frequency division duplex system (FDD, FrequencyDivisionDuplex) in, because ascending-descending subframes is one to one, so when PDSCH only comprises a transmission block (or claiming streams of code words), UE will feed back the response message of 1 bit, and when PDSCH comprises two transmission blocks, UE will feed back the response message of 2 bits.
In LTEFDD system, when UE needs to send SR and response message simultaneously: (represent when sending negativeSR and do not need dispatch request), UE sends the response message of 1 bit or 2 bits in the ACK/NACKPUCCH resource distributing to it, and when sending positiveSR (dispatch request is carried out in expression), UE sends 1 bit or 2 bit response messages in the SRPUCCH resource distributing to it; When UE needs to send response message and CSI information simultaneously, if subframe is normal cyclic prefix, as shown in Figure 1, the response message of 1 bit or 2 bits is modulated in second pilot tone of each time slot, format2a or 2b is adopted to send, if subframe is extended cyclic prefix, as shown in Figure 2, by 1 bit or 2 bit response messages and CSI information consolidation coding, format2 transmission is adopted to send.
At IMT-Advanced (InternationalMobileTelecommunications-Advanced, referred to as IMT-Advanced) in system, the high-speed transfer of data can be realized, and there is larger power system capacity, move at low speed, focus cover, the peak rate of IMT-Advanced system can reach 1Gbit/s, and when high-speed mobile, wide area cover, the peak rate of IMT-Advanced system can reach 100Mbit/s.
In order to meet senior International Telecommunication Union (InternationalTelecommunicationUnion-Advanced, referred to as ITU-Advanced) requirement, as the senior Long Term Evolution (LongTermEvolutionAdvanced of the evolution standard of LTE, referred to as LTE-A) system needs to support larger system bandwidth (reaching as high as 100MHz), and needs the existing standard of backward compatibility LTE.On the basis of existing LTE system, the bandwidth of LTE system can be carried out merging and obtain larger bandwidth, this technology is called carrier aggregation (CarrierAggregation, referred to as CA) technology, this technology can improve IMT-Advance system the availability of frequency spectrum, to alleviate frequency spectrum resource in short supply, and then optimizes the utilization of frequency spectrum resource.
After introducing carrier aggregation, current about in the discussion of downlink component carrier and PDSCH transmission block and HARQ process relation, the conclusion obtained is: when not adopting space division multiplexing, a corresponding PDSCH transmission block of downlink component carrier and a HARQ process, that is, UE needs a PDSCH for each component carrier to feed back the response message of 1 bit.And when adopting space division multiplexing, LTE-A current regulations, supports 2 transmission blocks at most.Therefore, when adopting space division multiplexing, UE needs the PDSCH for each downlink component carrier to feed back the response message of 2 bits.
In lte-a system after have employed spectrum aggregating technology, upstream bandwidth and downlink bandwidth just can comprise multiple component carrier.When there is the PDSCH dispatched to certain UE base station on multiple downlink component carrier, and when UE does not have PUSCH to send at present sub-frame, terminal needs the response message feeding back the PDSCH transmission of this multiple downlink component carrier on PUCCH, and those response messages are sent by the upstream components carrier wave of a UE-specific; And for SR information, UE only sends a SR, and this SR informational needs is sent by a upstream components carrier wave based on subscriber equipment (UE-specific), for CSI information, this CSI information also needs to be sent by the upstream components carrier wave of a UE-specific.
So in lte-a system, if when UE needs to send SR information and response message simultaneously, there is the situation that multiple response message and SR information send on a upstream components carrier wave simultaneously, equally, if when UE needs to send response message and CSI information simultaneously, there is the situation that multiple response message and CSI information send on a upstream components carrier wave simultaneously, but the method directly continuing to use FDD in R8 cannot solve the problem that multiple response message sends with SR, CSI respectively simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of uplink control signaling sending method and equipment, solves the problem that in carrier aggregation system, response message sends with SR, CSI respectively simultaneously.
For solving the problems of the technologies described above, the invention provides a kind of uplink control signaling sending method, be applicable to the scene that the response message in upstream control signaling sends at a upstream components carrier wave with other upstream control signalings except described response message simultaneously, described method comprises:
Subscriber equipment (UE) receives the Physical Downlink Shared Channel (PDSCH) be carried on downlink component carrier that base station sends, when described UE judges downstream arrangements information dropout (DLassignmentismissed) occurs, the content arranging response message is the information representing discontinuous transmission (DTX), when described UE judges downstream arrangements information dropout does not occur, the content arranging described response message is represent the correct number information being carried on the PDSCH on downlink component carrier received, or the content arranging described response message is the number information being carried on the PDSCH on downlink component carrier representing garbled-reception, described UE is to response message described in described base station feedback.
Further, described UE judges whether that the step that downstream arrangements information dropout occurs comprises: described UE is according to the content of the downstream arrangements instruction in Physical Downlink Control Channel (PDCCH) corresponding to described PDSCH, and the number of downlink component carrier received by UE, judge whether downstream arrangements information dropout occurs.
Further, the content of described downstream arrangements instruction comprises: be accumulated to the number information that current downlink component carrier has sent to the downlink component carrier of UE;
Described UE judges whether that the step that downstream arrangements information dropout occurs comprises further: described UE judges that whether the number of the downlink component carrier indicated by the instruction of described downstream arrangements is equal with the number of the downlink component carrier received by UE, if unequal, then judge downstream arrangements information dropout occurs, if equal, then judge downstream arrangements information dropout does not occur.
Further, other upstream control signalings described comprise dispatch request (SR) or channel condition information (CSI).
Further, when described response message and described SR send simultaneously, described UE sends described response message in the resource of SR.
Further, described response message and described CSI send simultaneously, and the Cyclic Prefix of present sub-frame is when being normal cyclic prefix, the content of described response message is modulated in second pilot tone of each time slot in described subframe by described UE, and adopts PUCCH format 2b to send.
Further, described response message and described CSI send simultaneously, and when the Cyclic Prefix of present sub-frame is extended cyclic prefix, described UE adopts PUCCH format 2 to send by after the content of described response message and described CSI combined coding.
Further, when described PDSCH comprises two streams of code words, space binding is carried out to the reception result of described two streams of code words, determine that described PDSCH is correct reception or garbled-reception according to space binding result.
For solving the problems of the technologies described above, present invention also offers a kind of uplink control signaling transmitting apparatus, comprising receiving element, response message generation unit and transmitting element, wherein:
Described receiving element, for receiving the Physical Downlink Shared Channel (PDSCH) be carried on downlink component carrier that base station sends;
Described response message generation unit, for when judging downstream arrangements information dropout occurs, will represent the content of the response message of the PDSCH that the information of DTX carries as downlink component carrier; And when judging downstream arrangements information dropout does not occur, by the number information being carried on the PDSCH on downlink component carrier correctly received, or the number information being carried on the PDSCH on downlink component carrier of garbled-reception, as the content of the response message of the PDSCH of downlink component carrier carrying;
Described transmitting element, for the response message generated to response message generation unit described in described base station feedback, and sends described response message and other upstream control signalings except described response message at a upstream components carrier wave simultaneously.
Further, described response message generation unit is further used for the content according to the downstream arrangements instruction in Physical Downlink Control Channel (PDCCH) corresponding to described PDSCH, and the number of downlink component carrier that described receiving element receives, judge whether downstream arrangements information dropout occurs; The content of described downstream arrangements instruction comprises: be accumulated to the number that current downlink component carrier has sent to the downlink component carrier of UE.
In sum, adopt the method that the terminal in large bandwidth multi-carrier system provided by the invention and response message and other upstream control signalings send simultaneously, multiple response message can be realized send with other upstream control signalings simultaneously, carry more information with less resource.
Accompanying drawing explanation
When Fig. 1 is subframe employing conventional cyclic prefix in LTE system, PUCCH format 2 schematic diagram;
When Fig. 2 is subframe employing extended cyclic prefix in LTE system, PUCCH format 2 schematic diagram;
Fig. 3 is the flow chart of the inventive method;
Fig. 4 gives the UE schematic diagram how determining the response message of the PDSCH of each component carrier.
Embodiment
The present invention is applicable to the scene that the response message in upstream control signaling sends at a upstream components carrier wave with other upstream control signalings except described response message simultaneously, inventive concept of the present invention is as shown in Figure 3: subscriber equipment (UE) receives the Physical Downlink Shared Channel (PDSCH) be carried on downlink component carrier that base station sends, when described UE judges downstream arrangements information dropout (DLassignmentismissed) occurs, the content arranging response message is the information (step 320 representing discontinuous transmission (DTX), 330), when described UE judges downstream arrangements information dropout does not occur, the content arranging described response message is represent the correct number information being carried on the PDSCH on downlink component carrier received, or the content arranging described response message is the number information (step 320 being carried on the PDSCH on downlink component carrier representing garbled-reception, 340), described UE is to response message (step 350) described in described base station feedback.
Can know whether downstream arrangements information dropout occurs after base station receives described response message, or, when not there is downstream arrangements information dropout, whether this UE of PDSCH that this base station sends all correctly receives (number of the PDSCH sent according to the number in response message and base station compare know), if existence does not receive or the situation of garbled-reception PDSCH, then this base station can initiate to retransmit.
Detailed process is described below:
In carrier aggregation system, one is comprised for bearing downlink configuration instruction (DAI in the PDCCH that each PDSCH is corresponding, DownlinkAssignmentIndicator) control domain, a downlink component carrier carries a PDSCH (supporting one or two streams of code words), and described DAI is accumulated to the downlink component carrier number that current downlink component carrier has sent to UE for representing in a transmitting procedure.
In a transmitting procedure, base station sends multiple downlink component carrier to UE, and carry DAI in the control domain of the PDCCH that the PDSCH that carries of row component carrier is corresponding in each of the lower, represent the downlink component carrier number sending to UE accumulative in current transmission process, this downlink component carrier number comprises current downlink component carrier, downlink component carrier number VDAIDL in this article represented by DAI represents, described DAI has n-bit.
When UE receives in this transmitting procedure after all downlink component carriers, the control domain of the PDCCH that the PDSCH carried from last downlink component carrier is corresponding, extract described V
dAI dL.Described " last " is determined according to the sequence number of downlink component carrier.UE is first according to V
dAI dLthe number of the downlink component carrier received with oneself judges whether downstream arrangements information dropout occurs, if, then described response message is set to the information (representing with binary system " 00 " content that response message is corresponding in this paper embodiment) representing DTX, if there is not downstream arrangements information dropout, then determine the number of the correct PDSCH received further, arrange the described response message number of correct response (ACK) to represent, namely the content of response message is the binary number representing correct response number, or determine the number of the PDSCH of garbled-reception, arrange the described response message number of wrong responses (NACK) to represent, namely the content of described response message is the binary number representing wrong responses number.
Be not precluded within other embodiments the mode adopting other systems to represent, in a word, when there is not downstream arrangements information dropout, the content of described response message is represent the correct number information being carried on the PDSCH on downlink component carrier received, or represents the number information being carried on the PDSCH on downlink component carrier of garbled-reception.
In the present embodiment, described response message is represented by 2 bits (b (0) b (1)), in other embodiments, when response message adopts high order modulation, namely operable bit number more than 2 time, still can adopt sending method of the present invention.
For convenience, if the number of the downlink component carrier having the PDSCH of corresponding PDCCH to transmit that UE receives is U
dAI, the downlink component carrier number not having the PDSCH of corresponding PDCCH to transmit is N
sPS, after UE receives PDSCH:
UE judges
time, then think and downstream arrangements information dropout occurs, namely have PDCCH to lose, the downlink component carrier of the carrying PDSCH received is less than the downlink component carrier that base station sends, b (0) b (1)=[00] is set, to represent, downstream arrangements information dropout occurs;
UE judges
time, then think and downstream arrangements information dropout does not occur, then determine the correct number being carried on the PDSCH on downlink component carrier received further, namely the number of the ACK fed back is needed, determine the content of b (0) b (1) according to described number, the downlink component carrier of described correct reception refers to U
dAI+ N
sPSthe number that PDSCH is correct is received in individual downlink component carrier.
In the present embodiment, the concrete meaning of b (0) b (1) is as shown in table 1, is only example, and those skilled in the art can adjust it according to inventive concept.
Table 1
| (U DAI+N SPS) number of ACK in individual ACK/NACK response | b(0)，b(1) |
| 0 or UE detects to have at least 1 downlink component carrier to there occurs downstream arrangements information dropout | 0，0 |
| 1 | 1，1 |
| 2 | 1，0 |
| 3 | 0，1 |
| 4 | 1，1 |
| 5 | 1，0 |
When the SR (positiveSR) of described response message and dispatch request sends on same upstream components carrier wave, described UE sends above-mentioned b (0) b (1) on the upstream components carrier wave of SRPUCCH.
When described response message and CSI send on same upstream components carrier wave, if the Cyclic Prefix of present sub-frame is normal cyclic prefix, above-mentioned b (0) b (1) is modulated in second pilot tone of each time slot in described subframe, format2b is adopted to send, if the Cyclic Prefix of present sub-frame is extended cyclic prefix, by above-mentioned b (0) b (1) and CSI information consolidation coding, format2 is adopted to send.Described present sub-frame refers to the subframe for carrying the information representing response message.
Preferably, when the PDSCH of downlink component carrier carrying only comprises a streams of code words, the response that this PDSCH is corresponding is response corresponding to this streams of code words (ACK or NACK); When the PDSCH of downlink component carrier carrying comprises two streams of code words, the response that this PDSCH is corresponding is the result that the corresponding respectively response of these two streams of code words obtains after the binding of space, namely the reception result (ACK or NACK) of UE to these two streams of code words carries out space binding, determines that described PDSCH is correct reception or garbled-reception according to space binding result.Wherein said space binding refers to only have when the response message of two streams of code words is all ACK, and the response message after binding is ACK, otherwise is NACK.
Fig. 4 gives the UE schematic diagram how determining the response of PDSCH.In this schematic diagram, suppose have 3 downlink component carriers #1, #2, #3, carry PDSCH#1, #2, #3 respectively, wherein PDSCH#1 supports two streams of code words, and therefore, UE detects two of PDSCH#1 streams of code words, obtain the response that two streams of code words are corresponding, when the response of two streams of code words is ACK, the response ACK#1 of PDSCH#1 is ACK, otherwise is NACK; In like manner, for PDSCH#2, obtain the response ACK#2 of PDSCH#2; For PDSCH#3, it only has a streams of code words, and thus the response ACK#3 of PDSCH#3 is exactly the result that this streams of code words detects, if be ACK, then ACK#3 is ACK, otherwise is NACK.
The equipment realizing said method comprises: comprise receiving element, response message generation unit and transmitting element, wherein:
Described receiving element, for receiving the PDSCH be carried on downlink component carrier that base station sends;
Described response message generation unit, for when judging downstream arrangements information dropout occurs, will represent the content of the response message of the PDSCH that the information of DTX carries as downlink component carrier; And when judging downstream arrangements information dropout does not occur, by the number information being carried on the PDSCH on downlink component carrier correctly received, or the number information being carried on the PDSCH on downlink component carrier of garbled-reception, as the content of the response message of the PDSCH of downlink component carrier carrying;
Described transmitting element, for the response message generated to response message generation unit described in described base station feedback, and sends described response message and other upstream control signalings except described response message at a upstream components carrier wave simultaneously.
Described response message generation unit is further used for the content according to the downstream arrangements instruction in PDCCH corresponding to described PDSCH, and the number of downlink component carrier that described receiving element receives, and judges whether downstream arrangements information dropout occurs; The content of described downstream arrangements instruction comprises: be accumulated to the number that current downlink component carrier has sent to the downlink component carrier of UE.
For the ease of understanding the present invention, below in conjunction with specific embodiment, the present invention is set forth further.
In embodiment below, the response message of the PDSCH of each downlink component carrier is all obtain according to the method shown in Fig. 4.
Embodiment one
Suppose according to DAI, UE knows that dispatching to the downlink component carrier number of UE is V
dAI dL, and need to send positiveSR message simultaneously.
Specific embodiment 1-1
Suppose
the U that UE detects
dAI=1, so UE judges to there occurs downstream arrangements information dropout, then make b (0) b (1)=[00], then UE sends ' 00 ' in the SRPUCCH resource distributing to it;
Specific embodiment 1-2
Suppose
the U that UE detects
dAI=2, N
sPS=0, the response message of the PDSCH of 2 downlink component carriers carrying is respectively ACK, NACK}, wherein response message is the number of ACK is 1, so b (0) b (1)=[11], then UE sends ' 11 ' in the SRPUCCH resource distributing to it;
Specific embodiment 1-3
Suppose
the U that UE detects
dAI=3, N
sPSthe response message of the PDSCH of=0,3 downlink component carrier carryings is respectively { ACK, NACK, ACK}, wherein response message is the number of ACK is 2, so b (0) b (1)=[10], and UE sends ' 10 ' in the SRPUCCH resource distributing to it;
Specific embodiment 1-4
Suppose
the U that UE detects
dAI=4, N
sPSresponse message { ACK, the ACK respectively of the PDSCH of=0,4 downlink component carrier carryings, ACK, NACK}, wherein response message is the number of ACK is 3, so b (0) b (1)=[01], UE sends ' 01 ' what distribute in its SRPUCCH resource;
Specific embodiment 1-5
Suppose
the U that UE detects
dAI=5, N
sPSthe response message of the PDSCH of=0,5 downlink component carrier carryings is respectively { ACK, ACK, NACK, ACK, ACK}, wherein response message is the number of ACK is 4, so b (0) b (1)=[11], and UE sends ' 11 ' in the SRPUCCH resource distributing to it;
Specific embodiment 1-6
Suppose
the U that UE detects
dAI=5, N
sPSthe response message of the PDSCH of=0,5 downlink component carrier carryings is respectively { ACK, ACK, ACK, ACK, ACK}, wherein response message is the number of ACK is 5, so b (0) b (1)=[10], and UE sends ' 10 ' in the SRPUCCH resource distributing to it.
Embodiment two
Suppose according to DAI, UE knows that dispatching to the downlink component carrier number of UE is V
dAI dL, and need to send CSI message, subframe adopts normal cyclic prefix. simultaneously
Specific embodiment 2-1
Suppose
the U that UE detects
dAI=1, N
sPS=0, so UE judges to there occurs downstream arrangements information dropout, then make b (0) b (1)=[00], is modulated in second pilot tone of each time slot by ' 00 ', adopts format2b to send;
Specific embodiment 2-2
Suppose
the U that UE detects
dAI=2, N
sPS=0, the response message of the PDSCH of 2 downlink component carrier carryings is respectively { ACK, NACK}, wherein response message is the number of ACK is 1, so b (0) b (1)=[11], be modulated in second pilot tone of each time slot by ' 11 ', adopt format2b to send;
Specific embodiment 2-3
Suppose
the U that UE detects
dAI=3, N
sPS=0, the response message of the PDSCH of 3 downlink component carrier carryings is respectively { ACK, NACK, ACK}, wherein response message is the number of ACK is 2, so b (0) b (1)=[10], are modulated in second pilot tone of each time slot by ' 10 ', adopt format2b to send;
Specific embodiment 2-4
Suppose
the U that UE detects
dAI=4, N
sPS=0, response message { the ACK respectively of the PDSCH of 4 downlink component carrier carryings, ACK, ACK, NACK}, wherein response message is the number of ACK is 3, so b (0) b (1)=[01], be modulated in second pilot tone of each time slot by ' 01 ', adopt format2b to send;
Specific embodiment 2-5
Suppose
the U that UE detects
dAI=5, N
sPS=0, the response message of the PDSCH of 5 downlink component carrier carryings is respectively { ACK, ACK, NACK, ACK, ACK}, wherein response message is the number of ACK is 4, so b (0) b (1)=[11], are modulated in second pilot tone of each time slot by ' 11 ', adopt format2b to send;
Specific embodiment 2-6
Suppose
the U that UE detects
dAI=5, N
sPS=0, the response message of the PDSCH of 5 downlink component carrier carryings is respectively { ACK, ACK, ACK, ACK, ACK}, wherein response message is the number of ACK is 5, so b (0) b (1)=[10], are modulated in second pilot tone of each time slot by ' 01 ', adopt format2b to send.
Embodiment three
Suppose according to DAI, UE knows that dispatching to the downlink component carrier number of UE is V
dAI dL, and need to send CSI message, subframe adopts extended cyclic prefix. simultaneously
Specific embodiment 3-1
Suppose
the U that UE detects
dAI=1, N
sPS=0, so UE judges to there occurs downstream arrangements information dropout, then make b (0) b (1)=[00], by ' 00 ' and CSI information consolidation coding, adopts format2 to send;
Specific embodiment 3-2
Suppose
the U that UE detects
dAI=2, N
sPSthe response message of the PDSCH of=0,2 downlink component carrier carryings is respectively { ACK, NACK}, wherein response message is the number of ACK is 1, so b (0) b (1)=[11], by ' 11 ' and CSI information consolidation coding, adopt format2 to send;
Specific embodiment 3-3
Suppose
the U that UE detects
dAI=3, N
sPSthe response message of the PDSCH of=0,3 downlink component carrier carryings is respectively { ACK, NACK, ACK}, wherein response message is the number of ACK is 2, so b (0) b (1)=[10], by ' 10 ' and CSI information consolidation coding, format2 is adopted to send;
Specific embodiment 3-4
Suppose
the U that UE detects
dAI=4, N
sPSresponse message { ACK, the ACK respectively of the PDSCH of=0,4 downlink component carrier carryings, ACK, NACK}, wherein response message is the number of ACK is 3, so b (0) b (1)=[01], by ' 01 ' and CSI information consolidation coding, adopts format2 to send;
Specific embodiment 3-5
Suppose
the U that UE detects
dAI=5, N
sPS=0, the response message of the PDSCH of 5 downlink component carrier carryings is respectively { ACK, ACK, NACK, ACK, ACK}, wherein response message is the number of ACK is 4, so b (0) b (1)=[11], by ' 11 ' and CSI information consolidation coding, adopt format2 to send;
Specific embodiment 3-6
Suppose
the U that UE detects
dAI=5, N
sPSthe response message of the PDSCH of=0,5 downlink component carrier carryings is respectively { ACK, ACK, ACK, ACK, ACK}, wherein response message is the number of ACK is 5, so b (0) b (1)=[10], by ' 01 ' and CSI information consolidation coding, adopt format2 to send;
By embodiment above, we can see, after adopting method of the present invention, effectively solve the problem that the response message of multiple downlink component carrier and dispatch request, channel condition information send simultaneously.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, 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 amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a uplink control signaling sending method, be applicable to the scene that the response message in upstream control signaling sends at a upstream components carrier wave with other upstream control signalings except described response message simultaneously, described method comprises:
User equipment (UE) receives the Physical Downlink Shared Channel PDSCH be carried on downlink component carrier that base station sends, when described UE judges downstream arrangements DLassignment information dropout occurs, the content arranging response message is the information representing discontinuous transmission DTX, when described UE judges downstream arrangements information dropout does not occur, the content arranging described response message is represent the correct number information being carried on the PDSCH on downlink component carrier received, or the content arranging described response message is the number information being carried on the PDSCH on downlink component carrier representing garbled-reception, described UE is to response message described in described base station feedback.
2. the method for claim 1, is characterized in that:
Described UE judges whether that the step that downstream arrangements information dropout occurs comprises: described UE is according to the content of the downstream arrangements instruction in physical downlink control channel PDCCH corresponding to described PDSCH, and the number of downlink component carrier received by UE, judge whether downstream arrangements information dropout occurs.
3. method as claimed in claim 2, is characterized in that:
The content of described downstream arrangements instruction comprises: be accumulated to the number information that current downlink component carrier has sent to the downlink component carrier of UE;
Described UE judges whether that the step that downstream arrangements information dropout occurs comprises further: described UE judges that whether the number of the downlink component carrier indicated by the instruction of described downstream arrangements is equal with the number of the downlink component carrier received by UE, if unequal, then judge downstream arrangements information dropout occurs, if equal, then judge downstream arrangements information dropout does not occur.
4. the method for claim 1, is characterized in that:
Other upstream control signalings described comprise dispatch request SR or channel condition information CSI.
5. method as claimed in claim 4, is characterized in that:
When described response message and described SR send simultaneously, described UE sends described response message in the resource of SR.
6. method as claimed in claim 4, is characterized in that:
Described response message and described CSI send simultaneously, and when the Cyclic Prefix of present sub-frame is normal cyclic prefix, the content of described response message is modulated in second pilot tone of each time slot in described subframe by described UE, and adopts PUCCH format 2b to send.
7. method as claimed in claim 4, is characterized in that:
Described response message and described CSI send simultaneously, and when the Cyclic Prefix of present sub-frame is extended cyclic prefix, described UE adopts PUCCH format 2 to send by after the content of described response message and described CSI combined coding.
8. the method for claim 1, is characterized in that:
When described PDSCH comprises two streams of code words, space binding is carried out to the reception result of described two streams of code words, determine that described PDSCH is correct reception or garbled-reception according to space binding result;
The binding of described space refers to only have when the response message of two streams of code words is all ACK, and the response message after binding is ACK, otherwise is NACK.
9. a uplink control signaling transmitting apparatus, comprises receiving element, response message generation unit and transmitting element, wherein:
Described receiving element, for receiving the Physical Downlink Shared Channel PDSCH be carried on downlink component carrier that base station sends;
Described response message generation unit, for when judging downstream arrangements information dropout occurs, will represent the content of the response message of the PDSCH that the information of discontinuous transmission DTX carries as downlink component carrier; And when judging downstream arrangements information dropout does not occur, by the number information being carried on the PDSCH on downlink component carrier correctly received, or the number information being carried on the PDSCH on downlink component carrier of garbled-reception, as the content of the response message of the PDSCH of downlink component carrier carrying;
Described transmitting element, for the response message generated to response message generation unit described in described base station feedback, and sends described response message and other upstream control signalings except described response message at a upstream components carrier wave simultaneously.
10. equipment as claimed in claim 9, is characterized in that:
Described response message generation unit is further used for the content according to the downstream arrangements instruction in physical downlink control channel PDCCH corresponding to described PDSCH, and the number of downlink component carrier that described receiving element receives, judge whether downstream arrangements information dropout occurs; The content of described downstream arrangements instruction comprises: be accumulated to the number that current downlink component carrier has sent to the downlink component carrier of UE.
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| EP2592776B1 (en) | 2010-09-19 | 2019-06-05 | LG Electronics Inc. | Method and apparatus for transmitting control information |
| CN102468942A (en) * | 2010-11-01 | 2012-05-23 | 大唐移动通信设备有限公司 | Method and equipment for transmitting ACK/NACK feedback information |
| CN101986591B (en) * | 2010-11-09 | 2015-08-12 | 中兴通讯股份有限公司 | A kind of uplink control signaling transmission method and terminal, base station |
| CN105391527B (en) * | 2010-11-11 | 2019-06-07 | Lg电子株式会社 | Uplink control information transmitting/method of reseptance and device in wireless communication system |
| WO2012064154A2 (en) | 2010-11-11 | 2012-05-18 | 엘지전자 주식회사 | Uplink control information transmitting/receiving method and device in a wireless communication system |
| CN102238737B (en) * | 2011-07-21 | 2015-07-15 | 电信科学技术研究院 | Acknowledgement (ACK)/negative acknowledgement (NACK)/scheduling request (SR) resource mapping method and equipment |
| CN111769902B (en) | 2011-08-15 | 2023-10-13 | 华为技术有限公司 | Method for transmitting channel state information, user equipment and base station |
| US9072087B2 (en) * | 2012-03-28 | 2015-06-30 | Qualcomm Incorporated | Channel state information dependent ACK/NAK bundling |
| CN105101104B (en) * | 2014-04-18 | 2019-01-01 | 成都鼎桥通信技术有限公司 | Method, base station and the monitor terminal of CCE aggregation levels are adjusted in group service |
| CN105245316B (en) * | 2014-06-30 | 2019-04-09 | 电信科学技术研究院 | A kind of transmission uplink control signaling method, system and equipment |
| RU2684580C1 (en) | 2015-08-14 | 2019-04-09 | Хуавей Текнолоджиз Ко., Лтд. | Method of transmitting and receiving uplink control information and corresponding apparatus |
| KR102233220B1 (en) * | 2017-04-28 | 2021-03-29 | 후지쯔 가부시끼가이샤 | Terminal device, base station device, wireless communication system, and terminal device control method |
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