WO2012062128A1 - Procédé, terminal et station de base pour transmettre des signaux de commande de liaison montante - Google Patents

Procédé, terminal et station de base pour transmettre des signaux de commande de liaison montante Download PDF

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Publication number
WO2012062128A1
WO2012062128A1 PCT/CN2011/077417 CN2011077417W WO2012062128A1 WO 2012062128 A1 WO2012062128 A1 WO 2012062128A1 CN 2011077417 W CN2011077417 W CN 2011077417W WO 2012062128 A1 WO2012062128 A1 WO 2012062128A1
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Prior art keywords
ack
information
nack
nack response
logical
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PCT/CN2011/077417
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English (en)
Chinese (zh)
Inventor
梁春丽
戴博
喻斌
杨维维
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中兴通讯股份有限公司
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Publication of WO2012062128A1 publication Critical patent/WO2012062128A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0031—Multiple signaling transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI

Definitions

  • the present invention relates to a transmission technology of uplink control signaling, and in particular to a transmission technology of a terminal, a base station, and an uplink control signaling in a multi-carrier system with a large bandwidth.
  • ACK/NACK Acknowledgement/Negative Acknowledgement
  • PUSCH Physical Uplink Control Channel
  • the physical uplink control channel can support multiple uplink control signaling, including a correct/error response message, and channel state information (CSI, Channel Quality Indicator, CQI, Channel Quality Indicator).
  • CSI Channel Quality Indicator
  • CQI Channel Quality Indicator
  • ⁇ Precoding Matrix Indicator
  • RI rank indicator
  • SR Scheduling Request
  • LTE defines a variety of PUCCH formats, including PUCCH format 1/la/lb (the channel structure is shown in Figure 1) and format 2/2a/2b (the channel structure is shown in Figure 2).
  • Format 1 is used to send the scheduling request of the UE.
  • the formats la and lb are used to feed back the 1-bit ACK/NACK response message and the 2-bit ACK/NACK response message respectively.
  • the format 2 is used to send the downlink channel state information.
  • format 2b is used to transmit CSI information and a 2-bit ACK/NACK response message.
  • the UE in the frequency division duplex system (FDD), since the uplink and downlink subframes are corresponding, when the PDSCH contains only one transport block, the UE needs to feed back a 1-bit ACK/NACK response message, when the PDSCH When two transport blocks are included, the UE shall feed back a 2-bit ACK/NACK response message.
  • FDD frequency division duplex system
  • the UE when the UE needs to simultaneously transmit the SR and ACK/NACK response messages:
  • the UE When transmitting the negative SR (indicating that no scheduling request is required), the UE transmits 1 bit on the ACK/NACK PUCCH resource allocated to it or 2-bit ACK/NACK response message, and when a positive SR is to be transmitted (indicating that a scheduling request is made), the UE transmits a 1-bit or 2-bit ACK/NACK response message on the SR PUCCH resource allocated to it; when the UE needs to simultaneously send an ACK /NACK response message and CSI information, if the subframe is a normal cyclic prefix, a 1-bit or 2-bit ACK/NACK response message is modulated onto the second reference signal of each slot, and transmitted by format2a/2b, If the subframe is an extended cyclic prefix, the 1-bit or 2-bit ACK/NACK response message and the CSI information are jointly encoded, and the format 2 transmission is used for transmission.
  • the uplink and downlink subframes are no longer corresponding to each other. According to different uplink and downlink subframe configurations, one uplink subframe sometimes needs to feed back ACKs of multiple downlink subframes.
  • /NACK response message where a plurality of downlink subframes corresponding to one uplink subframe are referred to as a bundling window.
  • two ACK/NACK feedback modes are defined: One is the binding mode (bundling).
  • the core idea of the method is to have 2 codeword streams in a downlink subframe in the uplink subframe.
  • the UE should feed back a 1-bit ACK/NACK response message; the other is a multiplexing mode (multiplexing, that is, multiplexing with channel selection, also The core idea of the mode is to use different PUCCH channels and different modulation symbols on the channel to indicate different feedback states of the downlink subframes that need to be fed back in the uplink subframe, if there are many downlink subframes.
  • the ACK/NACK fed back by multiple word streams of the downlink subframe is logically AND (also called spatial bundling), then channel selection is performed, and then transmitted using PUCCH format lb. That is, the 2-bit information b(0) and b(l) carried by the PUCCH format lb, and the index of the PUCCH channel, indicate that the logical AND operation has been performed.
  • ACK/NACK information For each word stream, the ACK/NACK fed back by multiple word streams of the downlink subframe is logically AND (also called spatial bundling), then channel selection is performed, and then transmitted using
  • the transmission method is different from that in the FDD system described above.
  • the UE spatially binds the multiple ACK/NACK response messages in the binding window to obtain the ACK/NACK corresponding to each downlink subframe.
  • the response message is then sent to the second reference signal of the PUCCH format 2b according to the number of ACKs that have been spatially bound in the binding window, or is modulated on the second reference signal of the PUCCH format 2b, or 6 ( 0) ⁇ (1) Co-coded with CQI and transmitted on PUCCH format 2 (the latter two cases correspond to scenes where CQI and ACK/NACK are simultaneously transmitted).
  • the number of ACKs after the space binding in the binding window has a preset mapping relationship with 6(0) ⁇ (1), as shown in Table 1:
  • Table 1 The mapping between the number of ACKs and 6(0), b( ⁇ ) after space binding in the binding window
  • IMT-Advanced International Mobile Telecommunications-Advanced
  • high-speed data transmission can be realized, and Large system capacity
  • IMT-Advanced system peak rate can reach lGbit/s in low-speed mobile and hotspot coverage.
  • the peak rate of IMT-Advanced system can reach 100Mbit/ s.
  • the LTE-A Long Term Evolution Advanced
  • CA Carrier Aggregation
  • the uplink bandwidth and the downlink bandwidth may include multiple component carriers.
  • the base station schedules a PDSCH for a certain UE on multiple downlink component carriers, and when the UE does not transmit a PUSCH in the current subframe, the terminal needs to feed back the ACK of the PDSCH transmission of the multiple downlink component carriers on the PUCCH. NACK response message.
  • a current work assumes that these ACK/NACK response messages are sent over a UE-specific uplink component carrier; for SR information, the current one assumes that the UE transmits only one SR, and this SR information is passed through a UE-specific The uplink component carrier is transmitted.
  • CSI information the current work assumes that the CSI information is transmitted through a UE-specific uplink component carrier.
  • the current work assumes that for the SR information, the UE uses PUCCH format 1 to transmit, for CSI, the UE uses PUCCH format 2 to transmit, and for the ACK/NACK response message, it can be used in LTE.
  • PUCCH format la and lb channel selection (multiplexing with channel selection) ⁇
  • LTE-A boosts the port - a new DFT-s-OFDM based format for transmitting larger payload ACK/NACK response messages, the channel structure is shown in Figure 3. As shown, this structure is referred to as PUCCH Format 3 for the convenience of description. Which way the UE uses to feed back ACK/NACK is configured by the upper layer.
  • PUCCH format 3 feedback is used.
  • ACK/NACK if the UE also sends an SR in the current subframe, the UE jointly encodes the SR with multiple ACK/NACK response messages and then transmits them on PUCCH format 3.
  • the technical problem to be solved by the present invention is to provide a method for transmitting uplink control signaling, a terminal, and a base station, so that a terminal in a multi-carrier system with a large bandwidth transmits an ACK/NACK response message and other uplink control information to the base station.
  • the present invention discloses a method for transmitting uplink control signaling, and the method includes:
  • the terminal determines state information for indicating a response of the configuration carrier according to the correct/error ACK/NACK response message of the N physical downlink shared channel PDSCHs to be fed back, and maps the determined state information to 2-bit information according to the set mapping relationship. And transmitting the 2-bit information and other uplink control information except the 2-bit information on a physical uplink control channel agreed with the base station.
  • the method further includes: receiving, by the base station, the 2-bit information, determining, according to the set mapping relationship, status information corresponding to the 2-bit information, where the determined status information indicates that the terminal is not all When all PDSCHs are correctly received, all PDSCHs scheduled are retransmitted.
  • the N is a sum of a PDSCH including downlink allocation signaling and a PDSCH without downlink allocation signaling, where N is a positive integer;
  • the determining, by the terminal, the status information for indicating the response of the configured carrier according to the ACK/NACK response message of the N PDSCHs to be fed back includes:
  • the terminal performs logical AND operation on the ACK/NACK response messages of the N PDSCHs to be fed back;
  • the result of the logical AND operation is determined as the status information, and when the logical AND operation result is ACK, the result of the logical AND operation and the number of logical AND operations ACK are determined as Status information; or
  • the logical AND operation result is ACK
  • the result of the logical AND operation and the detected number of PDSCHs are determined as the status information.
  • the step of mapping the determined state information into 2-bit information according to the set mapping relationship includes:
  • the terminal detects that the downlink allocation loss has occurred, it is determined as the first state information, and the first state information is mapped to the 2-bit information (0) , 0) ;
  • the ACK/NACK response message logical AND operation result of the N PDSCHs is ACK, and the number of logical AND operations ACKs is 1, 4, 7, 10, 13, 16, or 19, it is determined as the second status information, and the The second state information is mapped to 2-bit information (0, 1);
  • the ACK/NACK response message logical AND operation result of the N PDSCHs is ACK, and the number of logical AND operations ACKs is 2, 5, 8, 11, 14, 17, 20, it is determined as the third status information, and the The third state information is mapped to 2-bit information (1, 0);
  • the step of determining, by the terminal, status information indicating a response of the configuration carrier according to the ACK/NACK response message of the PDSCHs to be fed back includes:
  • the ACK/NACK response result corresponding to the primary carrier of the N configuration carriers to be fed back, and the ACK/NACK response result corresponding to the predefined secondary carrier are determined as the status information.
  • the step of mapping the determined state information into 2-bit information according to the set mapping relationship includes:
  • the first state information is determined, and the first state information is mapped to 2-bit information (0, 0) ;
  • the second state information is determined, and the second state information is mapped to 2-bit information (0, 1 ) ;
  • the third state information is mapped to the 2-bit information (1, 0) ;
  • the fourth status information is determined, and the fourth status information is mapped to 2-bit information (1). 1 ) .
  • the method further includes:
  • the primary carrier or the secondary carrier in the configured carrier includes two codeword streams, the corresponding
  • the ACK/NACK response result is the ACK/NACK response result after spatial logic and operation.
  • the other uplink control information is a scheduling request SR or channel state information CSI.
  • the step of transmitting the 2-bit information and other uplink control information except the 2-bit information on a physical uplink control channel agreed with the base station includes:
  • the terminal sends the 2-bit information to the physical uplink control channel corresponding to the SR after the QPSK modulation of the four-phase phase shift keying signal, where the physical corresponding to the SR
  • the uplink control channel uses the format lb;
  • the terminal sets the 2-bit information in the CSI. And transmitting on the corresponding physical uplink control channel, where the physical uplink control channel corresponding to the CSI is in the format 2/2b.
  • the method further includes: when the physical uplink control channel corresponding to the CSI uses a conventional cyclic prefix, the second reference of each slot of the physical uplink control channel format 2b after the 2-bit information is QPSK-modulated Send on the signal;
  • the 2-bit information is jointly encoded with the CSI, and then sent on the physical uplink control channel format 2.
  • the invention also discloses a transmission method of uplink control signaling, the method comprising:
  • the terminal determines, according to the correct/error ACK/NACK response message of the N physical downlink shared channel PDSCHs to be fed back, the response result information used to indicate the configured carrier response, and the determined response result information and the channel state information CSI are agreed with the base station. Good physical uplink control channel is sent.
  • the step of determining, by the terminal, the response result information for indicating the configured carrier response according to the ACK/NACK response message of the N PDSCHs to be fed back includes:
  • the ACK/NACK response message of the ⁇ bit is determined as the response result information indicating the configuration of the carrier response.
  • the method also includes:
  • T ⁇ (M + , the ACK/NACK response messages of the N PDSCHs to be fed back are spatially logically AND, respectively, and determined as W response messages;
  • the W response messages are determined as response result information for indicating a configuration of the carrier response
  • N PDSCH will be set according to the set mapping relationship.
  • the ACK/NACK response message is mapped to 2-bit information, and the 2-bit information is determined as response result information indicating the configuration of the carrier response.
  • the invention also discloses a terminal, the terminal comprising: a state information determining module and a mapping module And a sending module, wherein:
  • the status information determining module is configured to: determine, according to a correct/error ACK/NACK response message of the N physical downlink shared channels PDSCH to be fed back, status information indicating a response of the configured carrier;
  • the mapping module is configured to: map the state information determined by the state information determining module to 2-bit information according to the set mapping relationship;
  • the sending module is configured to: send the 2-bit information mapped by the mapping module and other uplink control information except the 2-bit information on a physical uplink control channel agreed with the base station.
  • the N is a sum of a PDSCH including downlink allocation signaling and a PDSCH without downlink allocation signaling, where N is a positive integer;
  • the status information determining module includes a logical AND operation sub-module and a determining module, where: the logical and operational sub-module is configured to: the N PDSCHs to be fed back
  • the ACK/NACK response message is logically and operated
  • the determining module is configured to: when the logical AND operation result obtained by the logic and operation sub-module is NACK, determine a result of the logical AND operation as the state information; when the logic and the operation sub-module obtain a logical AND When the operation result is ACK, the result of the logical AND operation and the number of ACKs performing the logical AND operation are determined as the status information; or the result of the logical AND operation and the detected number of PDSCHs are determined as the status information.
  • the status information determining module is further configured to:
  • the terminal When the logical and operation result of the ACK/NACK response message of the N PDSCHs is NACK, or the terminal detects that the downlink allocation loss has occurred, it is determined as the first state information;
  • the ACK/NACK response message logic and operation result of the N PDSCHs are ACK, When the number of logic and operation ACKs is 2, 5, 8, 11, 14, 17, 20, it is determined as the third state information;
  • mapping module When the logical AND operation result of the ACK/NACK response message of the N PDSCHs is ACK, and the number of logical AND operations ACKs is 3, 6, 9, 12, 15, 18, it is determined as the fourth state information; the mapping module And being further configured to: map the first state information to
  • the status information determining module is further configured to: determine, as the ACK/NACK response result corresponding to the primary carrier of the N configuration carriers to be fed back, and the ACK/NACK response result corresponding to the predefined secondary carrier, The status information.
  • the status information determining module is further configured to:
  • the ACK/NACK response result of the primary carrier is NACK
  • the ACK/NACK response result of the secondary carrier is NACK
  • the second status information is determined
  • the third status information is determined;
  • the fourth status information is determined
  • the mapping module is further configured to: map the first state information into 2-bit information (0, 0) according to the set mapping relationship, and map the second state information into 2-bit information (0, 1) And mapping the third state information into 2-bit information (1, 0), and mapping the fourth state information into 2-bit information (1, 1).
  • the status information determining module is further configured to: when the primary carrier or the secondary carrier in the configured carrier includes two codeword flows, perform space by using an ACK/NACK response message corresponding to the two codeword flows.
  • the logical AND operation determines the spatial logic and the operation result as the ACK/NACK response result corresponding to the carrier.
  • the invention also discloses a base station, comprising: a mapping module and a judgment parsing module, wherein:
  • the mapping module is configured to: map 2-bit information received from the terminal side into status information indicating a response of the terminal configuration carrier according to the set mapping relationship;
  • the determining and parsing module is configured to: re-transmit all the scheduled PDSCHs when the terminal does not correctly receive all the physical downlink shared channel PDSCHs according to the state information mapped by the mapping module.
  • At least one embodiment of the present invention may enable the transmission of multiple ACK/NACKK response messages and other uplink control information.
  • FIG. 1 is a schematic diagram of a PUCCH format 1/la/lb when a conventional cyclic prefix is used for a subframe in an existing LTE system;
  • FIG. 2 is a schematic diagram of a PUCCH format 2/2a/2b when a conventional cyclic prefix is used for a subframe in an existing LTE system;
  • FIG. 3 is a schematic diagram of a PUCCH format 3 when a conventional cyclic prefix is used for a subframe in an existing LTE system;
  • FIG. 5 is a schematic diagram of a scenario in which a base station configures four downlink component carriers for a terminal in an FDD system
  • FIG. 6 is a schematic diagram of a UE detecting three PDSCHs in the scenario shown in FIG. 5;
  • FIG. 7 is a schematic diagram of the UE detecting two PDSCHs in the scenario shown in FIG. 5;
  • FIG. 8 is a schematic diagram of a scenario in which a base station configures four downlink component carriers for a terminal in a TDD system
  • FIG. 9 is a schematic diagram of a UE missing PDSCH in the scenario shown in FIG. 8;
  • FIG. 10 is a schematic diagram of a scenario in which a base station configures four downlink component carriers for a terminal according to Embodiment 2 of the present invention.
  • FIG. 11 is a scenario diagram of a base station configuring three downlink component carriers for a terminal according to Embodiment 3 of the present invention; Intention. Preferred embodiment of the invention
  • the correct/error ACK/NACK response message of the N physical downlink shared channel PDSCH that the terminal needs to feed back can be transmitted as follows.
  • the transmission process shown in FIG. 4 includes the following steps:
  • Step 100 Determine, according to the N ACK/NACK response messages that need to be fed back, status information indicating a response of the configured carrier.
  • ⁇ is the sum of the PDSCH including the downlink allocation signaling detected by the terminal and the PDSCH without the downlink allocation signaling, and N is a positive integer; in the frequency division duplex system, 1 ⁇ N ⁇ 5, in the time division double In the system, 1 ⁇ N ⁇ 20.
  • the N ACK/NACK response messages may be determined as a status information indicating a response to the configured carrier as follows:
  • Step 200 Map the determined state information into 2-bit information according to the set mapping relationship, and send the 2-bit information and other uplink control information on the physical uplink control channel agreed with the base station.
  • the 2-bit information may be transmitted on the physical uplink control channel agreed with the base station according to the transmission operation in the prior art.
  • the ACK/NACK response message of the state 1, that is, the N PDSCHs, and the operation result are NACK, which are mapped to a 2-bit value.
  • the remaining N states, that is, the ACK/NACK response message logic and the operation result of the N PDSCHs are ACK, but the number of logically and operational ACKs (or the number of PDSCHs detected or received by the UE) is different, and logic can be followed. Grouped with the number of ACKs of operations.
  • a set of state information having a difference of the number of logical AND operation ACKs of 3 is mapped to the same 2 bit value, because the concept of the PD side failure detection of the terminal 3 consecutive times is small, and basically does not occur, thus, the base station If the two-bit value is received on the side, and the two states of the response state of the configured carrier on the terminal side are analyzed according to the mapping relationship, the scenes that have failed to receive the three consecutive times in the two scenarios can be excluded, and the carrier on the terminal side can be accurately determined.
  • the response status Specifically, the mapping relationship between each state information and 2-bit information can be as shown in Table 2.
  • Table 2 is a mapping table of N+1 states and 2 bits.
  • the base station configures four downlink component carriers for the terminal, that is, N is 4, as shown in FIG. 5, respectively, the primary downlink component carrier DL CC#0 and the secondary downlink component carrier DL CC#l/2/ 3, where DL CC is used for the transmission mode of 2 codeword streams, DL CC#2/3 uses the transmission mode of 1 codeword stream, and assumes that the current subframe schedules DL CC#0/l/ for the UE. 2/3 ;
  • the codeword streams corresponding to each PDSCH are respectively detected, and a corresponding ACK/NACK response message is obtained.
  • the corresponding ACK/NACK response message is a spatial logical and operational ACK/NACK response message, and the PDSCH of each component carrier passes the spatial logic and the operation ACK/NACK response message.
  • the format lb symbol index of each slot is 0, 1, 5, 6 corresponding to the symbol, and then transmitted with the reference signal to form a complete PUCCH channel.
  • the QPSK symbols are then transmitted on the second reference signal of each time slot in the PUCCH channel corresponding to the CSI, that is, the index of each time slot of the PUCCH channel format 2b shown in FIG. 2 is 5 On the symbol, then send it out with the CSI.
  • the base station side analysis may have the following two scenarios:
  • Scenario 1-1 The possible receiving scenario of the UE is that one PDSCH is correctly received, and the other three PDSCHs are not correctly received (or the PDSCH demodulation error occurs, or the PDCCH is lost);
  • Scenario 1-2 The UE has correctly received 4 PDSCHs.
  • the base station side analysis may have the following two scenarios:
  • Scenario 2-1 The possible receiving scenario of the UE is that one PDSCH is correctly received, and the remaining three PDCCHs are lost.
  • Scenario 2-2 The UE has correctly received 4 PDSCHs.
  • the current subframe schedules DL CC#0/l/2 to the UE.
  • DL CC#0/l/2 a total of three PDSCHs, and respectively detects the corresponding codeword streams
  • a corresponding ACK/NACK response message is obtained.
  • the corresponding ACK/NACK response message is a spatial logical and operational ACK/NACK response message, and the PDSCH of each component carrier.
  • the ACK/NACK response message after spatial logic and operation is separately recorded as HARQ-ACK(O), HARQ-ACK(l) and HARQ-ACK (2).
  • the current subframe schedules DLCC #0/l/2 to the UE.
  • the UE detects two PDSCHs of DL CC#0/2, respectively, the corresponding codeword stream is detected, and a corresponding ACK/NACK response message is obtained.
  • the corresponding ACK/NACK response message is a spatial logical and operational ACK/NACK response message, and the PDSCH of each component carrier passes through spatial logic.
  • the ACK/NACK response message after operation is recorded as HARQ-ACK(O) and HARQ-ACK, respectively.
  • the base station currently configures four downlink component carriers for the terminal, where DL CC#0 is the primary downlink component carrier, and DL CC#l/2/3 is the secondary downlink component carrier, where DL
  • the CC mesh is a transmission mode of two codeword streams
  • DL CC#2/3 is a transmission mode of one codeword stream
  • it is assumed that the DL CC marrow/2 is scheduled for the UE on the subframe n, in the subframe n+ DL CC#0/l/2 is scheduled for the UE, DL CC#0/2 is scheduled for the UE in the subframe n+2, and DLCC#0/l/ is scheduled for the UE in the subframe n+3.
  • the DAI Downlink Assignment Indicator
  • the control field indicates the number of allocated PDSCHs including the PDCCH that are allocated to the current subframe in the order of the downlink component carriers.
  • a total of 3 PDSCHs are detected on the subframe n, and a total of 3 PDSCHs are detected in the subframe n+1, and a total of 3 PDSCHs are detected in the subframe n+1.
  • a total of two PDSCHs of DL CC#0/2 are detected on the frame n+2, and three PDSCHs of DL CC#0/2/3 are detected on the subframe n+3, and the corresponding codeword streams are detected respectively.
  • the PDSCH of each component carrier is subjected to spatial logic and operation ACK/NACK response message, and is classified as ⁇ HARQ-ACK(O), HARQ-ACK(l) and HARQ.
  • - ACK (2), ⁇ .... , HARQ-ACK (IO) ⁇ a total of 11 ACK/NACK response messages; meanwhile, according to the DAI, the UE determines that no PDCCH loss has occurred.
  • the base station scheduling is to schedule 11 PDSCHs. Therefore, the base station can assume that the UE correctly receives all PDSCHs because the probability that the terminal continuously loses 3 PDCCHs can be ignored.
  • the scenario shown in FIG. 8 is taken as an example.
  • the UE detects a subframe, as shown in FIG. 9, the UE does not receive the PDSCH on the DL CC#1 on the subframe #n+1; according to the DAI, the UE can determine the UE.
  • the PDSCH on DL CC#1 on subframe #n+l is missed. Therefore, the result of the logical AND operation is NACK.
  • the corresponding state is 1, and the corresponding 2-bit information 6(0) ⁇ ( 1) is (0,0).
  • the terminal in a multi-carrier system with a large bandwidth, the terminal will need to feed back N PDSCHs.
  • the ACK/NACK corresponding to the primary downlink component carrier in the ACK/NACK response message performs spatial logical operation and performs spatial logic operation on the ACK/NACK corresponding to the other secondary downlink component carrier, and corresponds to the primary downlink component carrier.
  • the ACK/NACK logic and the operation result and the ACK/NACK logical AND operation result corresponding to the secondary downlink component carrier are determined as status information indicating a response of the configuration carrier. Specifically, the status information is as follows:
  • mapping relationship between the above four states and 2-bit is as shown in Table 3 below.
  • Table 3 is a mapping table of 4 states and 2 bits.
  • the base station currently configures four downlink component carriers for the terminal, where DL CC#0 is the primary downlink component carrier, and DL CC#l/2/3 is the secondary downlink component carrier.
  • DL CC is a transmission mode of 2 codeword streams
  • DL CC#2/3 is a transmission mode of 1 codeword stream
  • DL CC#1 (SCC#1) is a secondary downlink component carrier that needs to be fed back ACK/NACK, which is agreed between the base station and the UE in this embodiment.
  • the corresponding ACK/NACK response message is a spatial logical and operational ACK/NACK response message, and the PDSCH of each component carrier passes the spatial logic and the operation ACK/NACK response message. Recorded as HARQ-ACK(O), HARQ-ACK(l) and HARQ-ACK(2), respectively.
  • the solutions proposed in the above embodiments 1 and 2 may be used singly or in combination.
  • the solution of the foregoing Embodiment 2 is preferably used, and when the number of carriers configured by the base station for the terminal exceeds 2, the solution of Embodiment 1 is preferably used.
  • the embodiment provides a method for transmitting uplink control signaling, and the terminal first determines, according to the ACK/NACK response message of the N PDSCHs to be fed back, the response result information used to indicate the configured carrier response, and the determined response result information and The CSI is transmitted on a physical uplink control channel agreed with the base station.
  • the process of determining, by the terminal, the response result information for configuring the carrier response according to the ACK/NACK response message of the N PDSCHs to be fed back is as follows:
  • the terminal determines whether (M + ⁇ JT , if yes, determines the ACK/NACK response message of the ⁇ bit as the response result information; if not, the ACK/NACK response message of the PDSCH to be fed back by the terminal respectively Perform spatial logic and operation, determine W reply messages, and then judge whether +) ⁇ . If yes, the terminal determines the W response messages as response result information; otherwise, the terminal will set one PDSCH according to the set mapping relationship.
  • the ACK/NACK response message is mapped to 2-bit information, and the 2-bit information is determined as the response result information.
  • mapping relationship may be as shown in Table 2 or Table 3 above, and is of course not limited to the mapping relationship shown in Table 2 and Table 3.
  • a base station currently configures three downlink component carriers for a terminal, as shown in FIG. 11, where DL CC#0 is a primary downlink component carrier, and DL CC#l/2 is a secondary downlink component carrier, where DL CC
  • the medulla is a transmission mode of two codeword streams
  • DL CC#2 is a transmission mode of one codeword stream, and it is assumed that the current subframe schedules DL CC#0/l/2 to the UE.
  • the PUCCH Format 2 transmission bit is up to 13 bits, that is, X is equal to 13.
  • the UE detects 3 PDSCHs of DL CC#0/l/2, and then respectively detects the corresponding codeword stream, and obtains a corresponding ACK/NACK response message.
  • DL CC#0/1 both are included.
  • the number of codeword streams, the corresponding 3 PDSCH ACK/NACK response messages are HARQ-ACK O), HARQ-ACK(l), HARQ-ACK(2), HARQ-ACK(3) and HARQ-ACK(4)
  • the ACK/NACK response message of the DL CC#0/1 is spatially logically operated.
  • the ACK/NACK response messages of the three PDSCHs are respectively recorded as Bundling-HARQ-ACK(O), Bundling-HARQ-ACK(l). , Bundling-HARQ-ACK(2), at this time, W is equal to 3.
  • the response message and the 4-bit period CSI are transmitted on the physical uplink control channel agreed with the base station.
  • the base station When the base station detects, it decodes according to the number of periodic CSI bits, and obtains the corresponding periodic CSI and the ACK/NACK response message of the PDSCH received by the UE.
  • the embodiment provides a terminal, where the terminal includes: a status information determining module,
  • the status information determining module is configured to: determine, according to a correct/error ACK/NACK response message of the N physical downlink shared channels PDSCH to be fed back, status information indicating a response of the configured carrier;
  • ⁇ is the sum of the PDSCH including the downlink allocation signaling detected by the terminal and the PDSCH without the downlink allocation signaling, and N is a positive integer; in the frequency division duplex system, 1 ⁇ N ⁇ 5; In the system, 1 ⁇ N ⁇ 20.
  • the status information determining module includes: a logical AND operation submodule, a determining module, a mapping module, and a sending module, where:
  • the logic and operation sub-module is configured to: logically AND operate an ACK/NACK response message of N PDSCHs to be fed back;
  • the determining module is configured to: when the logical AND operation result obtained by the logic and the operation sub-module is NACK, determine a result of the logical AND operation as the status information;
  • the mapping module is configured to: determine the state information determining module according to the set mapping relationship The determined status information is mapped to 2-bit information;
  • the set mapping relationship may be as shown in Table 2 or Table 3 above, and is of course not limited to Table 2 or Table 3.
  • the sending module is configured to: send the 2-bit information mapped by the mapping module and other uplink control information on a physical uplink control channel agreed with the base station.
  • the status information determining module is further configured to: determine, when the ACK/NACK response message of the N PDSCHs is a NACK, or the terminal detects that a downlink allocation loss has occurred, determining the first state Information
  • the mapping module Further configured to: map the first state information into 2-bit information (0, 0) according to a set relationship, and map the second state information into 2-bit information (0, 1), status information is mapped to three 2-bit information (1,0), the state information is mapped to a fourth 2-bit information (1,1) 0
  • the state information determining module is further configured to: ACK/NACK response result corresponding to the primary carrier of the two configuration carriers to be fed back, and corresponding to the secondary carrier
  • the ACK/NACK response result is determined as the status information.
  • the state information determining module performs spatial logic and operation on the ACK/NACK response message corresponding to the two codeword streams, and the space is The logical AND operation result is determined as the ACK/NACK response result corresponding to the carrier.
  • the status information determining module is further configured to: when the ACK/NACK response result corresponding to the primary carrier is NACK, and the ACK/NACK response result corresponding to the secondary carrier is NACK, the first status information is determined; When the ACK/NACK response result corresponding to the primary carrier is NACK, and the ACK/NACK response result corresponding to the secondary carrier is ACK, the second status information is determined;
  • the third status information is determined;
  • the fourth status information is determined
  • the mapping module is further configured to: map the first state information into 2-bit information (0, 0) according to the set mapping relationship, and map the second state information into 2-bit information (0, 1) And mapping the third state information into 2-bit information (1, 0), and mapping the fourth state information into 2-bit information (1, 1).
  • the embodiment provides a base station, including: a mapping module and a judgment parsing module, where: the mapping module is configured to: map 2-bit information received from the terminal side into a carrier for indicating terminal configuration according to the set mapping relationship. Status information of the response;
  • the determining and parsing module is configured to: re-transmit all the scheduled PDSCHs when determining that all the PDSCHs are not correctly received by the terminal according to the state information mapped by the mapping module.
  • the mapping relationship is set by the terminal and the base station in advance.
  • the mapping relationship may be as shown in Table 2 or Table 3, and is of course not limited to Table 2 or Table 3.
  • the present invention provides a method for transmitting uplink control signaling, a terminal, and a base station, which can enable a terminal in a multi-carrier system with a large bandwidth to send an ACK/NACK response message and other uplink control information to a base station, which is strong. Industrial applicability.

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Abstract

L'invention concerne un procédé, un terminal et une station de base pour transmettre des signaux de commande de liaison montante. Le procédé de transmission de signaux de commande de liaison montante comprend les étapes suivantes : le terminal détermine les informations d'état pour exprimer un accusé de réception de porteuse de configuration en fonction de messages d'accusé de réception correct/incorrect/accusé de réception négatif (ACK/NACK) d'un nombre N de canaux physiques partagés à liaison descendante (PDSCH) à réutiliser, établit une correspondance entre des informations d'état déterminé et des informations à 2 bits en fonction d'une relation de correspondance établie, et transmet les informations à 2 bits et les autres informations de commande de liaison montante dans un canal physique de commande de liaison montante en accord avec la station de base. Dans au moins un mode de réalisation de l'invention, plusieurs messages ACK/NACK et d'autres informations de commande de liaison montante peuvent être transmis.
PCT/CN2011/077417 2010-11-09 2011-07-21 Procédé, terminal et station de base pour transmettre des signaux de commande de liaison montante WO2012062128A1 (fr)

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CN101986591B (zh) * 2010-11-09 2015-08-12 中兴通讯股份有限公司 一种上行控制信令的传输方法及终端、基站
CN102158326B (zh) * 2011-05-20 2014-05-14 电信科学技术研究院 Ack/nack反馈信息的传输方法和设备
JP5693794B2 (ja) * 2011-09-23 2015-04-01 エルジー エレクトロニクス インコーポレイティド 制御情報を送信する方法及びそのための装置
CN102347825B (zh) * 2011-11-02 2014-05-07 电信科学技术研究院 一种传输反馈信息的方法、系统和设备
CN103209483B (zh) 2012-01-12 2015-09-09 华为技术有限公司 传输上行控制信息的方法、用户设备和基站
US9072087B2 (en) * 2012-03-28 2015-06-30 Qualcomm Incorporated Channel state information dependent ACK/NAK bundling
WO2013166723A1 (fr) 2012-05-11 2013-11-14 Nokia Siemens Networks Oy Groupage de bits ack/nak dans des scénarios d'agrégation de porteuses
CN104010373A (zh) * 2014-06-09 2014-08-27 宇龙计算机通信科技(深圳)有限公司 用于移动通信的载波配置方法、配置系统和基站
WO2016183733A1 (fr) * 2015-05-15 2016-11-24 华为技术有限公司 Équipement utilisateur, dispositif de réseau d'accès, et procédé d'envoi et de réception d'informations de commande de liaison montante
KR102083813B1 (ko) * 2015-08-14 2020-03-03 후아웨이 테크놀러지 컴퍼니 리미티드 업링크 제어 정보 송신 방법과 수신 방법, 및 관련 장치
CN107846267B (zh) * 2016-09-18 2021-03-09 大唐移动通信设备有限公司 一种终端的反馈信息处理方法和装置
RU2747389C1 (ru) * 2017-08-11 2021-05-04 ЗедТиИ КОРПОРЕЙШН Способ и оборудование для выделения ресурсов при беспроводной связи
CN113225162B (zh) * 2020-01-21 2023-04-18 维沃移动通信有限公司 信道状态信息csi上报方法、终端及计算机可读存储介质
JP2023518655A (ja) * 2020-02-07 2023-05-08 オッポ広東移動通信有限公司 情報処理方法及び装置
CN113472487B (zh) * 2020-03-30 2023-04-28 维沃移动通信有限公司 Harq-ack反馈方法及设备
CN113556779B (zh) * 2021-07-15 2024-02-20 深圳职业技术学院 工业物联网中的数据传输方法

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