WO2015115804A1 - Procédé et dispositif pour traiter des informations de commande de liaison montante (uci) dans un système de communications sans fil - Google Patents

Procédé et dispositif pour traiter des informations de commande de liaison montante (uci) dans un système de communications sans fil Download PDF

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Publication number
WO2015115804A1
WO2015115804A1 PCT/KR2015/000920 KR2015000920W WO2015115804A1 WO 2015115804 A1 WO2015115804 A1 WO 2015115804A1 KR 2015000920 W KR2015000920 W KR 2015000920W WO 2015115804 A1 WO2015115804 A1 WO 2015115804A1
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Prior art keywords
information
ack
harq
pusch
subframe
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PCT/KR2015/000920
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English (en)
Korean (ko)
Inventor
박동현
Original Assignee
주식회사 아이티엘
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Priority claimed from KR1020140010852A external-priority patent/KR20150089811A/ko
Priority claimed from KR1020140010642A external-priority patent/KR20150089715A/ko
Priority claimed from KR1020140010641A external-priority patent/KR20150089714A/ko
Application filed by 주식회사 아이티엘 filed Critical 주식회사 아이티엘
Publication of WO2015115804A1 publication Critical patent/WO2015115804A1/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
    • H04L1/18—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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • H04L1/0073—Special arrangements for feedback channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26136—Pilot sequence conveying additional information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
    • H04L27/2636—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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

Definitions

  • the present invention relates to wireless communication, and more particularly, to a method and apparatus for processing uplink control information (UCI) in a wireless communication system.
  • UCI uplink control information
  • the incremental uplink control information is a scheduling request (SR), HARQ-ACK (Hybrid Automatic Repeat Request-Acknowledgement), It may include various kinds of information such as CQKChamel Quality Indicator, PMKPrecoding Matrix Indicator, and RKRank Indicator.
  • the uplink control information may be generally transmitted through a physical uplink control channel (PUCCH). However, if there is user data to be transmitted in uplink, uplink control information may be multiplexed with the user data and transmitted through a physical uplink shared channel (PUSCH).
  • PUCCH physical uplink control channel
  • PUSCH physical uplink shared channel
  • the uplink control information may be mapped and transmitted based on a predetermined reference to peripheral resources of a demodulation reference signal (DMRS) used for channel estimation for coherent demodulation of the uplink received signal.
  • DMRS demodulation reference signal
  • An object of the present invention is to provide a method and apparatus for processing UCI.
  • SUMMARY OF THE INVENTION The present invention provides a method and apparatus for adjusting UCI coding rate.
  • Another technical problem of the present invention is to provide a UCI mapping method and apparatus therefor.
  • Another technical problem of the present invention is to provide different coding rates for HARQ ACK information and RI information.
  • Another technical problem of the present invention is to provide a method and apparatus for processing UCI for a non-multiple input multiple output (MIMO) applied terminal.
  • MIMO multiple input multiple output
  • Another technical problem of the present invention is to provide a method and apparatus for transmitting UCI in a wireless communication system supporting MIM0.
  • Another technical problem of the present invention is to provide a method and apparatus for transmitting a UCI through a multiple transport block (TB).
  • TB multiple transport block
  • Another technical problem of the present invention is to provide a parameter control tower for UCI mapping and its apparatus. .
  • a terminal for transmitting uplink control information (UCI) through a physical uplink shared channel (PUSCH).
  • the terminal is transmitted on the Q'ACK and the subframe for Q ' ACK indicating the number of coded modulation symbols (Hybrid Automatic Repeat Request-Acknowledgement) information transmitted on the subframe for the PUSCH transmission
  • RKRank Indicator is a coding rate control block for calculating at least one of the Q ' IU representing the number of coded modulation symbols, and performs channel coding based on at least one of the C ACK and C RI and performs the HA Q-ACK.
  • Interleaving at least one of a channel coding unit for generating at least one of a vector sequence for information and a vector sequence for RI information, a vector sequence for the HARQ-ACK information, and a vector sequence for the RI information for interleaving A channel interleaver assigned to elements of a matrix, and the HARQ-ACK information and the based on the interleaving matrix
  • SC-FDMA Synchrom Access
  • UCI transmission can be performed more efficiently by performing UCI coding rate adjustment in consideration of reduced DMRS mapping.
  • spectral efficiency can be improved by applying different coding rates for each layer or for each CT (cordwod).
  • the spectral efficiency can be improved by transmitting uplink control information only on the CW for the selected specific transport block.
  • 1 shows a wireless communication system to which the present invention is applied.
  • 2 shows a schematic structure of a physical layer used in a wireless communication system to which the present invention is applied.
  • FIG 3 shows a structure of an uplink / downlink subframe used in a wireless communication system to which the present invention is applied.
  • 4 shows a PUSCH channel structure according to an embodiment of the present invention. 4 shows an RJSCH channel structure in a subframe structure in the case of a normal CP.
  • 5 shows an example of an UL-SCH and UCI processing structure according to the present invention.
  • 6 illustrates an example of resource mapping to a PUSCH region of a subframe through the same process as that of FIG. 5.
  • 7-9 are examples of DMRS mapping for overhead reduction.
  • FIG. 10 shows an example of an UL processing structure for one UL-SCH TB according to the present invention.
  • FIG. 11 shows an example of HARQ-ACK information and RI information mapping to a PUSCH region of one subframe according to the method 2 of the present invention.
  • FIG. 13 is an example schematically illustrating a mapping method of HARQ-ACK information and RI information according to the method 6 of the present invention.
  • 15 is an example of a flowchart illustrating a method of performing HARQ-ACK information RI information mapping to a PUSCH region of one subframe according to the present invention.
  • 16 is an example of a processing structure of UL-SCH and UCI when supporting MIM0 transmission.
  • FIG. 17 shows an example of an UL processing structure for two TBs in accordance with the present invention.
  • 19 shows an example of a channel coding method according to Method 7 of the present invention.
  • 20 shows an example of a codeword selection method according to the method 8-3 of the present invention.
  • 21 is an example of a block diagram illustrating a terminal according to the present invention.
  • FIG. 1 shows a wireless communication system to which the present invention is applied.
  • the wireless communication system 10 is widely deployed to provide various communication services such as voice and packet data.
  • the wireless communication system 10 includes at least one base station 11 (evolved-NodeB, eNB).
  • Each base station 11 provides a communication service for a particular cell 15a, 15b, 15c.
  • Sal can in turn be divided into a number of areas (called sectors).
  • the user equipment (UE) 12 may be fixed or mobile, and may include a mobile station (MS), a mobile terminal (MKmobi le terminal), a user terminal (UT), an SSCsubscr iber station, a wireless device, and a PDA. (personal digital assistant), wireless modem (wireless modem), handheld device (handheld device) may be called other terms.
  • the base station 11 may be referred to in other terms such as a BSCbase station, a base transceiver system (BTS), an access point, a femto base station, a home node B, a relay, and the like.
  • Sal encompasses various coverage areas, including mega sal, macro cell, micro cell, pico cell, and femto cell.
  • downlink means communication from the base station 11 to the terminal 12
  • uplink uplink
  • UU means communication from the terminal 12 to the base station 11.
  • the transmitter may be part of the base station 11, and the receiver may be part of the terminal 12.
  • the transmitter may be part of the terminal 12, and the receiver may be part of the base station 11 Can be.
  • FIG. 2 shows a schematic structure of a physical layer used in a wireless communication system to which the present invention is applied.
  • one radio frame includes 10 subframes, and one subframe includes two consecutive slots.
  • a physical downlink control channel informs a terminal of resource allocation of a paging channel (PCH) and a DL ⁇ downlink shared channel (SCH) and information about HARQOlybrid Automatic Repeat Request (DL) associated with the DL-SCH.
  • the PDCCH may carry an uplink grant informing the UE of resource allocation of uplink transmission.
  • a DL-SCH is mapped to a physical downlink shared channel (PDSCH).
  • the Physical Control Format Indicator Channel (PCFICH) informs the UE of the number of OFDM symbols used for PDCCHs and is transmitted every subframe.
  • PHICH Physical Hybrid ARQ Indicator Channel
  • ACQ HARQ Hybrid Automatic Repeat reQuest
  • AC Acknowledgement
  • NACK Non-acknowledgement
  • the HARQ ACK / NACK signal may be called a HARQ-ACK signal.
  • Pl] CCH Physical Upnlink Control Channel
  • HARQ-ACK Physical Upnlink Control Channel
  • CSI channel status information
  • PMI precoding matrix index
  • PTI precoding type indicator
  • RKrank indicator PTI
  • PUSCH Physical Uplink Shared Channel
  • PRACH Physical Random Access Channel
  • the CQI provides information on a link mandatory parameter that the terminal can support for a given time.
  • the CQI may indicate a data rate that can be supported by the downlink channel in consideration of characteristics of the UE receiver and signal to interference plus noise ratio (SINR).
  • SINR signal to interference plus noise ratio
  • the base station may determine the modulation (QPSK, 16-QAM, 64-QAM, etc.) and coding to be applied to the downlink channel using the CQI.
  • CQI can be generated in several ways.
  • the MCS includes a modulation scheme, a coding scheme, and a coding rate accordingly.
  • PMI provides information about the precoding matrix in the codebook based precoding.
  • PMI is associated with multiple-input multiple-output (MIM0). Feedback of the PMI from MIM0 is called CL MIM0 (closed loop MIM0).
  • the RI is information about a rank (ie, number of layers) recommended by the UE. That is, RI represents the number of independent streams used for spatial multiplexing.
  • the RI is fed back only when the terminal operates in the MIM0 mode using spatial multiplexing.
  • RI is always associated with one or more CQI feedback. That is, the fed back CQI is calculated assuming a specific RI value. Since the rank of the channel generally changes slower than the CQI, the RI is fed back fewer times than the CQI.
  • the transmission period of the RI may be a multiple of the CQI / PMI transmission period.
  • the uplink data transmitted on the PUSCH may be a transport block which is a-data block for the UL-SCH transmitted during a transmission time interval ( ⁇ ).
  • the transport block may include user data.
  • the uplink data may be multiplexed data.
  • the multiplexed data may be multiplexed of a transport block for UL-SCH and uplink control information. That is, when there is user data to be transmitted in the uplink, the uplink control information may be multiplexed with the user data and transmitted through the PUSCH.
  • 3 shows a structure of an uplink / downlink subframe used in a wireless communication system to which the present invention is applied.
  • the symbol in the case of a wireless system using 'OFDM Orthogonal Frequency Division Multiple Access' in downlink, the symbol may be an Orthogonal Frequency Division Multiplexing (OFDM) symbol.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the symbol in a radio system using a single carrier (Discrete Fourier Transform-spread OFDM) based single carrier (DFTS-OFDM) transmission scheme in the uplink, the symbol may be a DFTS-0FDM symbol.
  • DFTS-0FDM based single carrier transmission may be called SC ⁇ FDMA (Single Carrier Frequency Division Multiple Access), and DFTS-0FDM symbol may be referred to as SC-FDMA symbol.
  • the representation of the symbol period in the time domain is not limited by the multiple access scheme or the name.
  • the plurality of symbols in the time domain may be a Single Carrier-Frequency Division Multiple Access (SC-FDMA) symbol, a symbol interval, etc. in addition to the OFDM symbol.
  • SC-FDMA Single Carrier-Frequency Division Multiple Access
  • CPCCyclic Prefix ⁇ may vary depending on the length. For example, in case of a normal CP, one slot may include 7 symbols, and in case of an extended CP, one slot may include 6 symbols.
  • Resource Block is a resource allocation unit, if a resource block includes 12 subcarriers in the frequency domain and one resource block may include a 7 * 12 resource elements (Resource Element, RE) .
  • the resource block may be called a PRBCPhysical Resource Block.
  • the resource element represents the smallest frequency-time unit to which the modulation symbol of the data channel or the modulation symbol of the control channel is mapped. If there are M subcarriers on one OFDM symbol, and one slot includes N OFDM symbols, one slot includes M * N resource elements. Similarly, if there are M subcarriers on one SC-FDMA symbol, and one slot includes N SC-FDMA symbols, one slot includes M * N ' resource elements.
  • 4 illustrates a PUSCH channel structure according to an embodiment of the present invention. 4 shows a PUSCH channel structure in a subframe structure in the case of a normal CP.
  • one subframe includes two consecutive slots. Two consecutive slots can be called (even slots and odd slots) in order (starting at zero).
  • one slot includes 7 SC-FDMA symbols. That is, one sub-frame includes fourteen SC-FDMA core, bee.
  • the seven SC-FDMA symbols in each slot can be assigned symbol text from 0 to 6.
  • the symbol indices of even and odd slots Demodulat ion reference signal (DMRS) may be transmitted through SCHEMA symbols equal to three.
  • DMRS is used for channel estimation for coherent demodulation of an uplink received signal.
  • Uplink data may be transmitted through the remaining SC- FDMA symbols except for the SC-FDMA symbol in which the DMRS is transmitted.
  • Per SC-FDMA symbol As many resource elements (REs) are used for PUSCH transmission.
  • M PUSCH represents the number of resource blocks (RBs) allocated for PUSCH transmission, represents a resource block size in the frequency domain, and is represented by the number of subcarriers.
  • the last SC-FDMA symbol of the subframe may be used for SRS (Sounding Reference Signal) transmission in some cases.
  • SRS Sounding Reference Signal
  • the DMRS is used for uplink channel estimation for coherent demodulation of uplink physical channels (PUSCH or PUCCH) and is transmitted in the same frequency band as the corresponding physical channel
  • the SRS indicates that the network uses uplink channel quality at different frequencies. It is a signal transmitted in uplink for estimation.
  • the SRS may be transmitted at periodic intervals of two subframes and 16 subframes.
  • 5 shows an example of an UL-SCH and UCI processing structure according to the present invention.
  • the data is every.
  • Each ⁇ may arrive at a coding unit in the form of up to two transport blocks, and a coding step as shown in FIG. 5 may be performed for each transport block.
  • the coding unit may be part of the terminal. 5, data bits ao, ai,... Every TTI. . . A a- i is given in the form of a transport block.
  • the data bits a 0 , ai,. . ., CRC Cycl ic Redundancy Check) parity bits po, pi, having a length L in a A -i.
  • b B -i are S units in code block units
  • CRC parity bits are added in units of code blocks (S510).
  • r is a code block number
  • K r is the number of bits for the code block number r.
  • Bit sequence for a given code block is performed channel coding (S520).
  • Encoded bits are represented by ⁇ , ' ⁇ , where D r is the number of encoded bits per output stream, i is the index of the encoder output bit stream.
  • rate matching is performed (S530)
  • Code block concatenation is performed (S540) to generate bit sequences f 0 , fi, ..., fG-i.
  • Rate matching means that the amount of data to be transmitted is matched with the maximum transmission amount of the actual channel for each transmission unit time, for example, TTI.
  • G represents the total number of encoded bits used for transmission except bits used for transmission of control information when control information is multiplexed on the PUSCH. Meanwhile, control information (uplink control information) may be multiplexed together with data (uplink data).
  • Data and control information can use different coding rates by assigning different numbers of coded symbols for their transmission.
  • the control information arrives at the coding unit in the form of CQI / PMKCQI and / or PMI), HARQ-ACK, RI, and independent channel coding is performed for each of CQI / PMI, HARQ-ACK, RI. .
  • N L is the number of layers to which the corresponding transport block is mapped.
  • Q ra may be 2 for QPSK, 4 for 16QAM, and 6 for 64QAM is equal to 2 for QPSK, 4 for 16QAM, 6 for 64QAM).
  • 0 _i regarding HARQ-ACK is a channel
  • Coding is performed to generate the vector sequence 0 'for 1 packet (S570).
  • QACK is for all encoded HARQ-ACK blocks. Represents the total number of coded bits.
  • H ' ⁇ / ⁇ Q H represents the total number of coded bits allocated for UL-SCH data (uplink data) and CQI / PMI information of the corresponding transport block.
  • i 0, ..., H ' -1) are column vectors of length.
  • the multiplexed vector sequence ⁇ 0 , ⁇ 1 ,- ' , £ is a bit sequence h Q , h ⁇ , ..., /? H + N consisting of a string of bits by a channel inter leaver.
  • vector sequences of RI and / or ⁇ Q-ACK may be mapped to the bit sequence 1 ⁇ m by a channel interleaver.
  • the sequence L ⁇ is then mapped to a resource element (RE) for the PUSCH through a procedure such as scrambling and modulation.
  • Q ' must be determined first for RI and HARQ-ACK.
  • Q ' represents the number of coded modulation symbols per layer.
  • the coding unit may determine Q ' based on a Modulation Coding Scheme (MCS) level applied to the PUSCH, and adjust coding for RI and HARQ-ACK based on the Q ' .
  • MCS Modulation Coding Scheme
  • Equation 2 Equation 2
  • 0 is the number of RI bits or HARQ-ACK bits.
  • M PUSCH SC is a bandwidth scheduled for PUSCH transmission in a current subframe for transmission, and is expressed as the number of subcarriers.
  • N PUSCH — ⁇ 131 5 is SOFDMA per subframe for initial PUSCH transmission for the same transport block.
  • Number of symbols symb may be calculated as in Equation 3 below.
  • N SRS has a value of 1 or 0.
  • the UE transmits the PUSCH and the SRS in the same subframe for initial transmission, or if the PUSCH resource allocation for the initial transmission is cell specific SRS subframe and bandwidth configuration and bandwidth configuration Even (even) partially overlapped, or if the subframe for initial transmission is a UE-specific type-1 SRS subframe, or if the subframe for initial transmission is a UE-specific type-0 SRS subframe
  • N SRS may be 1 when multiple TAGCTiming Advance Groups are configured, and N SRS may be 0 in other cases ⁇ ⁇
  • M PUSCH ⁇ initial sc is the number of subcarriers for initial PUSCH transmission for the same transport block
  • C is the number of code blocks
  • ⁇ is the number of bits for code block number r. Indicates.
  • M PUSCH-initial sC) C , and ⁇ are the initial PDCCHs for the same transport block (or
  • M PUSCH initial sc , C, and ⁇ may be determined according to the following.
  • M PUSCH — INITIAL SC , C, and K R may be determined from the most recent semi-persistent scheduling allocated PDCCH (or EPDCCH) when the same transport block is semi-persistent scheduled. Can be determined.
  • M PUSCH initial sc , C, and ⁇ may be determined from a random access answer for the dynamic transport block when the PUSCH is initiated by a random access response grant.
  • 3 PUSCH 0 represents an offset value and may be configured through RRCX Radio Resource Control (RSC) signaling.
  • RRCX Radio Resource Control (RSC) signaling The bit sequence generated after channel interleaving undergoes scrambling, modulation (modul at ion), codeword-to-layer mapping, and precoding, and then maps resources to the PUSCH region as follows. (resource mapping).
  • FIG. 6 shows an example of resource mapping to a PUSCH region of a subframe through the processing of FIG. 5.
  • the multiplexing method in the PUSCH region may be different according to the type of uplink control information.
  • some SC-FDMA symbols are allocated to the DMRS in the first slot (even slot) and the second slot (odd slot).
  • the DMRS is a reference signal used for demodulation of uplink data and uplink control information transmitted in a PUSCH region. 6 shows an example in which D S is mapped to SC-FDMA symbols having symbol index 3 of even and odd slots.
  • the CQI / PMI information of the uplink control information may be mapped from the first symbol of the subframe to the last usable symbol for one subcarrier and then fabulated to the next subcarrier in the frequency domain. That is, the CQI / PMI information may be mapped from the first symbol to the last symbol of the subframe except for the symbol to which the DMRS is mapped.
  • the subcarriers may be sequentially indexed with subcarriers from top to bottom. In this case, the CQI / PMI information may be mapped from the smallest subcarrier index of the corresponding PUSCH region.
  • CQI / PMI information is multiplexed with UL-SCH data and mapped to the PUSCH region. When CQI / PMI information is allocated to the PUSCH region together with UL-SCH data, rate matching may be used depending on the presence or absence of another UCI (eg, RI).
  • HARQ-ACK information of the uplink control information is very important for the HARQ operation of the downlink, and can be mapped to SC-FDMA symbols having symbol indexes 2 and 4 of even and odd slots adjacent to symbols to which DMRSs are mapped. have.
  • HARQ-ACK information may be mapped from a subcarrier corresponding to the largest subcarrier index of the corresponding symbols. Using this allocation method, HARQ-ACK information can use the best channel estimation result.
  • HARQ-ACK information may be mapped to a symbol adjacent to a symbol to which DMRS is mapped after puncturing data, that is, UL-SCH data.
  • RI information of the uplink control information may be mapped to SC-FDM symbols having symbol indexes 1 and 5 of even and odd slots next to a symbol to which HARQ-ACK is mapped.
  • HARQ—ACK information may be mapped from a subcarrier (the lowest subcarrier of the corresponding PUSCH region) corresponding to the largest subcarrier index of the corresponding symbols.
  • a method of reducing overhead of DMRS for improving spectral ef ficiency of uplink is being considered.
  • the overhead of DMRS There may be various ways to reduce the number, for example, the following DMRS mapping methods.
  • 7-9 are examples of DMRS mapping for overhead reduction.
  • FIG. 7 illustrates a case in which only one SOFDMA symbol is used in one subframe and PRB pair for DMRS mapping.
  • the DMRS can only be mapped to an SC-FDMA symbol with symbol slot 3 of an even slot, and if an extended CP is used, DMRS is mapped only to an SC-FDMA symbol with symbol index 2 of an even slot. Can be. That is, DMRS may not be mapped to odd slots. However, as an example, the DMRS may be mapped only to odd slots, not even slots. '
  • FIG. 8 illustrates a case in which DMRS mapping is changed according to a PRB index in one subframe.
  • D ⁇ S may be mapped to only one symbol of an even slot for a PRB of an even index, and may be mapped to only one symbol of an odd slot for a PRB of an odd index.
  • the DMRS may be mapped only to an SC-FDMA symbol having symbol index 3 of an even slot for a PRB of an even index, and an SC-FDMA symbol of 3 with an odd slot for an PRB of an odd index. It can only be mapped to FDMA symbols.
  • the DMRS may be mapped only to an SC-FDMA symbol having an even slot symbol index 2 for an even index PRB, and an SC having an odd index symbol index 2 for an odd index PRB. Can only be mapped to FDMA symbols.
  • FIG. 9 uses two SC-FDMA symbols in one subframe and PRB pair, DMRS mapping can be performed using fewer subcarriers than in the prior art.
  • the subcarrier indexes may be numbered from # 0 to # 11 from the top to the bottom of the subcarriers within one PRB.
  • the DMRS when a normal CP is used, the DMRS is mapped to a symbol having symbol index 3 of both even and odd slots in the time domain, but only to subcarriers of even (or odd) subcarrier indexes in the frequency domain. Can be. Also, for example, when extended CP is used, the DMRS can be mapped to a symbol with symbol index 2 of both even and odd slots in the time domain, but only tempored on subcarriers of even (or odd) subcarrier indexes in the frequency domain. have.
  • DMRS mapping according to the example (ex. FIG. 7) and the other example (ex. FIG. 8) will be referred to as a reduced DMRS pattern 1, and the MRS mapping according to the another example (ex. FIG. 9) will be reduced. Referred to as DMRS pattern 2.
  • a new UCI transmission method is needed.
  • a new new UCI mapping method is needed, and a new UCI coding control method is needed.
  • BLER Bit Error Rate
  • a new UCI mapping and transmission method considering the DMRS mapping pattern should be provided.
  • the present invention proposes a new UCI coding rate control method in consideration of the above matters.
  • the UCI coding rate adjusting method according to the present invention may be applied to, for example, a terminal (ie, a single layer supporting terminal) that performs PUSCH transmission based on Non-MIM0.
  • FIG. 10 shows an example of an UL processing structure for one UL-SCH TB according to the present invention.
  • UCI bits and size are determined, and when there is a PUSCH transmission in a current subframe, UCI information to be transmitted in a corresponding subframe should be delivered on the PUSCH.
  • the HARQ-ACK information and the RI information are channel coded according to a specific coding rate, respectively, and input of a channel interleaver (channel inter leave! ") In the form of a vector sequence for HARQ-ACK information and a vector sequence for RI information.
  • the uplink data and the CQI / PMI information are channel-coded, multiplexed, and inputted to the channel interleaver in the form of a multiplexed vector sequence channel, which is a vector sequence for the HARQ-ACK information.
  • a bit sequence is generated based on the vector sequence related to the RI information and the multiplexed vector sequence, and then the generated bits related to the bit sequence are scrambling, modulated, and codeword-layer mapped.
  • resources are mapped to a PUSCH region and finally transmitted as an SOFDMA signal.
  • the channel interleaver determines the HARQ-ACK information mapping method and the RI information mapping method, and controls the HARQ-ACK information and the RI information to be mapped to a specific position of the PUSCH region in consideration of the reduced DMRS mapping.
  • the channel interleaver may control the HARQ-ACK information and the RI information to be mapped to the neighboring SC-FDMA symbols of the SC-FDMA symbol to which the reduced DMRS is mapped according to various methods.
  • HARQ-ACK information and RI information are each channel-coded ACK ACK ACK RI RI RI
  • Equation 4 is a matrix structure used in the channel interleaver.
  • each element of Equation 4 may have the form of a matrix having (3 ⁇ 4 ⁇ ⁇ rows). Otherwise, when one UL-SCH TB is transmitted, each element has a form of a matrix having 3 ⁇ 4 rows, hereinafter, the matrix of Equation 4 may be referred to as an interleaving matrix.
  • the number of columns of the interleaving matrix is defined as C mux and is numbered 0,1,2, ..., C-1 from left to right.
  • C mux N PUSCH symb .
  • ⁇ represents the number of SC-FDMA symbols in a subframe currently transmitted PUSCH.
  • the number of rows of the interleaving matrix is defined as R ' mux , and is numbered 0,1,2, ..., ⁇ -1 from the top ( t0 p) to the bottom (bottom).
  • ICx which represents the total number of coded bits that are first mapped to one codeword, is defined as follows. total-Qm-N L ) / C mu x.
  • H ' ⁇ 31 represents the number of modulation symbols per layer in the corresponding subframe, H ' + Q ' RI . That is, the sum of the number of modulation symbols per layer of H ' tota p uplink data and CQI / PMI and the number of modulation symbols per layer of RI.
  • R ' mux-IUx Q TM N L That is, the number of coded bits of R TM x are cut and numbered by Q ⁇ N L.
  • the assignment (or assignment) of the respective input values to the interleaving matrix may be performed, for example, as follows. First, RI RI, a vector sequence of RI information.
  • g_o,-q ⁇ - ⁇ 7 are assigned.
  • a vector sequence for RI information is allocated on the designated columns upwards from the row of the highest index (ie, the last row) of the interleaving matrix.
  • the elements to which the vector sequence for the RI information is not allocated are allocated g G J g ⁇ ⁇ , which is a multiplexed vector sequence for uplink data and CQI / PMI.
  • the multiplexed vector sequence for the uplink data and CQI / PMI is sequentially allocated from the column of index 0 to the column of ( ⁇ ), starting from the first row.
  • a vector sequence of HARQ-ACK information, ⁇ 1 '" ⁇ df 1 is allocated on the designated columns upwards from the row of the highest index (ie, the last row) of the interleaving matrix.
  • the columns designated for the vector sequence regarding the HARQ-ACK information may be different from those designated for the vector sequence related to the RI information
  • the vector sequence for the HARQ-ACK information may be allocated by the multiplexed sequence. These elements can be overwritten (except for those assigned a vector sequence for RI information), i.e., the vector sequence for HARQ-ACK information can be combined with the multiplexed vector sequence (data and
  • the above-described reduced DMRS pattern 1 of the peripheral (i.e., one sub only in the frame one SC-FDMA pattern DMRS is assigned to the symbol) is a reduced DMRS based assign i SOFDMA symbol 4
  • a method for allocating HARQ-ACK information using an SOFDMA symbol is halding to best use of SC-FDMA symbols, we propose a method for allocating the information I using four SC-FDMA symbols in the vicinity of.
  • Po r 1 S 1 on the ACK ACK ACK HARQ-ACK information may be assigned to an element of the interleaved matrix based on the pseudo-code (pseudo-code), such as Table 1. In this case, even if the multiplexed vector sequence for uplink data and CQI / PMI has already been assigned to the corresponding element,
  • ⁇ is an element of the interleaving matrix based on a pseudo code such as 2.
  • RI is a vector sequence of RI information RI RI
  • Another embodiment proposes a method for allocating HARQ-ACK information and / or RI information uniformly for each PRB according to the number of PRBs used in the PUSCH region based on the reduced DMRS pattern 1 described above. .
  • ⁇ 0 1 which is a vector sequence for HARQ-ACK information, may be allocated to, which is an element of the interleaving matrix, based on a pseudo-code as shown in Table 9 below.
  • the vector sequence for the RI information is
  • Table 13 shows the vector sequence for RI information.
  • Table 16 In another embodiment, based on the above-described reduced DMRS pattern 1, it is possible to control so that the HA Q-ACK information and / or RI information is cross-allocated according to the PRB index.
  • Is a vector sequence for HARQ-ACK information Is an element of the interleaving matrix based on the pseudo code shown in Table 17 below.
  • ColumnSet () is indexed from 0 to 3 from left to right for the values in the table.
  • RI RI RI a vector sequence of RI information.
  • ColumnSet (/) Is assigned (or described) to the columns pointed to by "ColumnSet (/)", starting from the last row and moving upwards.
  • ColumnSet (_) may be indicated by the following Table 22, 23, or 24, and "ColumnSet ' )" is indexed from 0 to 3 from left to right with respect to the values of the table.
  • HARQ-ACK information and / or RI information may be alternately allocated according to the subcarrier index.
  • ColiimnSet is given inTable 26, 27 or 28. and indexed left to right from 0 to 7.
  • Table 254 a vector sequence of ACK ACK ACK for HARQ-ACK information.
  • lo, l, ⁇ e ⁇ rl Are assigned to move upwards starting from the bottom row in the indicated columns, and are assigned at odd subcarrier indices. Is indexed from 0 to 3 from left to right for the values in the table.
  • the vector sequencer for the RI information is
  • ColumnSet () is allocated in the columns pointed to by "ColumnSet ()", starting from the bottom row and moving upwards, at the even subcarrier index.
  • ColumnSet () may be indicated by the following Table 30 31 or 32, and “ColumnSet ()” may be indicated on the left side for the values of the table. Indexed from 0 to 3 to the right.
  • Table 33 is an example of pseudocode for the assignment of a vector ' sequence of HA Q-ACK information to the interleaving matrix.
  • Table is an example of a pseudo code for the assignment of the vector sequence to the interleaving matrix for RI information.
  • the "ColumnSet GT 'of Table 33 may be indicated by Table 26, 27, or 28, and the" ColumnSet (/) "of Table 34 may be indicated by Table 30, 31, or 32.
  • a location where RI information is allocated may be changed according to whether HARQ ACK information is transmitted on a subframe in which a corresponding PUSCH is transmitted.
  • a pseudo code for assigning a vector sequence to the interleaving matrix of HARQ-ACK information is shown in Table 35.
  • a pseudo code for assigning the vector sequence related to RI information to the interleaving matrix may be as shown in Table 36.
  • the four neighboring DMRSs are reduced by adjusting the code rate for each of the HARQ-ACK information and the RI information.
  • HARQ-ACK information and RI information may be mapped to the SOFDMA symbol. For example, ⁇ ⁇ ⁇ ⁇ for HARQ-ACK information and i3 RI ofiset for RI information may be used to adjust the coding rate of HARQ-ACK information and RI information.
  • the HARQ-ACK information and the RI information can be efficiently controlled in the medium-to-high signal to noise rat io (SNR) environment where overhead reduction can be applied.
  • I information may be controlled to be mapped to four SC-FDMA symbols around the reduced DMRS.
  • the HARQ-ACK information and the RI information may be mapped by a frequency division multiplexing (FDM) method.
  • FDM frequency division multiplexing
  • the ⁇ HARQ ACK oiiset and P R1 ofiset may be configured through RRC signaling.
  • the pseudo-code for the "allocation of the interleaving matrix of the vector sequence in the vector sequence and the RI information on the HARQ-ACK information may be as shown in Table 43.
  • the assumption is maintained that HARQ-ACK information and RI information are assigned to up to four SC-FDMA symbols each.
  • the allocated positions of the HARQ-ACK information and the RI information may be changed according to the Q ′ ACK indicating the number of coded modulation symbols related to the HARQ-ACK information.
  • the UE and the base station may perform the resource mapping by comparing the number of subcarriers allocated to the corresponding PUSCH transmission with the number of coded modulation symbols of HARQ-ACK information.
  • the pseudo code for the assignment of the vector sequence for HARQ-ACK information to the interleaving matrix is shown in Table 47 and the vector for I information
  • a pseudo code for assigning the sequence to the interleaving matrix may be as shown in Table 48.
  • the HARQ-ACK information, and a number Q of the modulation symbols per layer coding (coded modulation symbols) 'ACK and Q' R, respectively it may be used to channel code the RI information.
  • the coding rate adjustment blocks 1010 and 1020 according to the present invention may generate the Q ' ACK and the Q' RI, respectively.
  • Q ' ACK and 0 ⁇ may be represented by, for example, the following equations (5) and (6).
  • Q ' ACK and Q' can be generated using 13 HARQ — ACK offset and
  • XACK and M PUSCH SC are used in Equation 4 and x RI and M PUSCH SC are used in Equation 5.
  • the XACK and XRI can control and reduce the number of coded modulation symbols that can be allocated to each of HARQ-ACK information and RI information.
  • the number of SC-FDMA symbols to which the HARQ-ACK information is mapped in one subframe may be controlled based on the XACK, and the number of SOFDMA symbols to which the RI information is mapped in one subframe based on the i
  • the number can be controlled.
  • the XACK and the XRI may have a fixed value (for example, 2) or may be indicated to the terminal through RRC signaling.
  • the XACK and XRI may be represented by one variable X.
  • M PUSCH SC is designed based on the use of four SC-FDMA symbols (ie, two SC-FDMA symbols per slot) for HARQ-ACK information and RI information in one subframe. However, according to the reduced DMRS pattern, only one SC-FDMA symbol may be used in one subframe for DMRS.
  • the channel environment to which overhead reduction can be applied can be assumed to be a very good channel environment with high SNR and low mobility (with about ⁇ spec 3 ⁇ 4 efficiency gain).
  • the coding rate for HARQ-ACK information and RI information is determined through Equations 5 and 6 as described above. Each can be adjusted and can be mapped to the PUSCH region based on this.
  • HARQ information and RI information may be mapped around SC-FDMA symbols to which reduced DMRSs are mapped, and may be mapped to as many as 3 ⁇ 4 CK and x RI SC-FDMA symbols.
  • the XACK and x RI values are 2.
  • the DMRS is mapped based on the nearest SOFDMA symbol and the low index SC-FDMA symbol according to the proposed methods.
  • HARQ-ACK information and RI information may be mapped. For example, when the symbol index to which the DMRS is mapped is 2, HARQ-ACK information may sequentially use symbols having an index of 1->3—> 0.
  • Method 2 proposes a method of uniformly allocating HARQ-ACK information and / or RI information for each PRB according to the number of PRBs used in the PUSCH region.
  • the vector sequence ⁇ v "- ⁇ 1 "' ⁇ _ ⁇ which is a vector of HARQ-ACK information, is an element of the interleaving matrix based on the pseudo-code shown in Table 51 below. Can be assigned.
  • Table 51 which is a vector sequence for HARQ_ACK information.
  • ColumnSet () It is assigned (or described) to the columns pointed to by "ColumnSet ' ), and controlled to be equally allocated to each PRB.
  • ColumnSet () may be indicated by, for example, Table 52 below.
  • ⁇ 0 ' which is a vector sequence for the RI information.
  • Colimin Set is given in Table 8 and indexed left to right from 0 to 1.
  • RI RI a vector sequence of RI information.
  • ColumnSet () is assigned (or described) to the columns pointed to, and controlled to be allocated equally for each PRB.
  • the “ColumnSet ()” may be indicated by, for example, Table 54 below.
  • FIG 11 shows one according to room 2 of the present invention.
  • FIG. 11 shows an example in which a reduced DMRS is mapped to an SC-FMDA symbol of an even slot when a normal CP is configured and a reduced DMRS is mapped to an SC-FDMA symbol of an even slot when an extended CP is configured.
  • 11 illustrates a case where Table 56 is applied to the vector sequence related to the HARQ-ACK information and Table 58 is applied to the vector sequence related to the RI information.
  • HARQ-ACK information is provided. It is mapped to SOFDMA symbols 2 and 4 of even slots, but is evenly mapped to each PRB.
  • RI information is mapped to SC-FDMA symbols 1 and 5 of even slots, and is uniformly mapped to each PRB.
  • HARQ-ACK information is mapped to SC-FDMA symbols 1 and 3 of even slots, but is uniformly mapped to each PRB.
  • RI information is mapped to SC-FDMA symbols 0 and 4 of even-numbered slots, and is uniformly mapped to each PRB.
  • Method 4 proposes a method for allocating HARQ-ACK information and / or RI information based on the reduced DMRS pattern 1, according to the subcarrier index.
  • ' ⁇ ' 1 may be assigned to which is an element of the interleaving matrix based on a pseudo code as shown in Table 55 below.
  • ColutnnSet is given in Table 14 and indexed left to right from 0 to 1.
  • ColumnSet () may be indicated by, for example, Table 56 below.
  • z 1 which is a vector sequence related to the RI information.
  • Based on a pseudo code such as 57 may be assigned to the element of the interleaving matrix.
  • CoUmmSet is given in Table 16 and indexed left to riglit from 0 to 1.
  • RI RI RJ a vector sequence of RI information.
  • FIG. 12 shows an example in which a reduced DMRS is mapped to an SC-FMDA symbol of even slots when a normal CP is configured and a reduced DMRS is mapped to an SC-FDMA symbol of an even slot when an extended CP is configured.
  • FIG. 12 shows a case in which Table 64 is applied to the vector sequence of the HARQ-ACK information and Table 66 is applied to the vector sequence of the RI information.
  • HARQ-ACK information is mapped to SC-FDMA symbols 1, 2, 4, and 5 of an even slot, and is mapped to an odd (index) subcarrier.
  • RI information is divided into even slots.
  • HARQ-ACK information is mapped to SC-FDMA symbols 0, 1, 3, and 4 of even slots, and is mapped to odd subcarriers.
  • RI information is mapped to SC-FDMA symbols 0, 1, 3, and 4 of an even slot, and is mapped to an even subcarrier.
  • a resource corresponding to a transmission position of other information that is not transmitted may be used in allocating the corresponding information.
  • the DM is reduced by adjusting the code rate for each of the HARQ-ACK information and the RI information while maintaining the assumption that HARQ-ACK information and the RI information are mapped to up to four SC-FDMA symbols. It is proposed to map HARQ-ACK information and RI information to four SC-FDMA symbols around S. For example, ⁇ RQ ACK of f set for HARQ-ACK information and P RI oi f set for RI information may be used to adjust the coding rate of HARQ-ACK information and I information.
  • the HARQ-ACK information and the RI information are controlled by efficiently adjusting the coding of the HARQ-ACK information and the RI information in a medium-to-high Signal to noisy se Rat io (SNR) environment where overhead reduction can be applied.
  • Information can be controlled to be mapped to the n (eg two) SC-FDMA symbols around the reduced DMRS.
  • the HARQ-ACK information and the RI information may be mapped by an FDKFrequency Division Mult iplexing method.
  • FIG. 13 is an example schematically illustrating a mapping method of HARQ-ACK information and RI information according to the method 6 of the present invention.
  • HARQ-ACK information and 'Q for the ACK information and the RI' R, respectively, Q for the HARQ-ACK information to each channel coding of the RI information.
  • the Q ' RI may be calculated based on the P RI 0 ff set and the PUSCH coding rate and 1.
  • Q ′ ACK and Q ′ RI may be calculated based on Equations 5 and 6, respectively.
  • the calculated Q ' ACK and Q ' RI may be used, respectively, and the coding rates of the corresponding HARQ-ACK information and the RI information may be adjusted.
  • the HARQ-ACK information and the RI information are controlled to be allocated (or mapped) by sharing n (x ACK or ⁇ ) SC-FDMA symbols around the reduced DMRS through channel interleaving and resource mapping to a PUSCH region.
  • n (x ACK or ⁇ ) SC-FDMA symbols around the reduced DMRS through channel interleaving and resource mapping to a PUSCH region.
  • SC-FDMA signal HARQ-ACK information and RI information may be multiplexed on the same SC-FDMA symbol.
  • the HARQ-ACK in assigning the vector sequence for the HARQ-ACK information and the vector sequence for the RI information to the interleaving matrix, the HARQ-ACK first moves upwards starting from the last row of the designated columns.
  • a vector sequence of information may be assigned, followed by a vector sequence of RI information. That is, HARQ-ACK information may be allocated first from the lower subcarrier upwards on the designated SC-FDMA symbols, and then RI information may be allocated. Of course the reverse is also possible.
  • the pseudo code for allocation of the vector sequence for HARQ-ACK information and the vector sequence for RI information to the interleaving matrix may be as shown in Table 59.
  • FIG. 14 shows an example of mapping HARQ-ACK information RI information to a PUSCH region of one subframe according to Method 6 of the present invention.
  • FIG. 14 shows an example in which a reduced DMRS is mapped to SC-3-FMDA symbol of an even slot when a normal CP is configured and a reduced DMRS is mapped to SC2 FDMA symbol of an even slot when an extended CP is configured.
  • FIG. 14 illustrates a case where Table 72 is applied to both a vector sequence related to the HARQ-ACK information and a vector sequence related to the RI information.
  • HARQ-ACK information and RI information are mapped to SC-FDMA symbols 2 and 4 of even slots, and HARQ-ACK information is mapped first from a lower subcarrier. The RI information is then mapped.
  • HARQ-ACK information and RI information is mapped to SC-FDMA symbols 1 and 3 of even slots, HARQ-ACK information is mapped first from the lower subcarrier, and then RI The information is mapped.
  • 15 is an example of a flowchart illustrating a method of performing HARQ-ACK information RI information mapping to a PUSCH region of one subframe according to the present invention.
  • the terminal receives PUSCH scheduling information (S1900). For example, the UE may check whether the PUSCH is scheduled based on downlink control information (DCI) through which the PDCCH is transmitted.
  • DCI has various formats, and DCI format 0 is used for scheduling of PUSCH in an uplink cell. That is, the terminal receives the PDCCH for the terminal from the base station, and if the DCI format 0 is included in the PDCCH, on a specific subframe
  • the UE calculates at least one of Q 'ACK and Q' RI (S1910).
  • Q may be calculated as ⁇ RI based on the above Equation 6, the ACK and Q can be calculated based on the above equation (5).
  • x ACK of Equation 5 and 3 ⁇ 4 of Equation 6 may be set to, for example.
  • the terminal may calculate and use the Q 'ACK and the Q' RI instead of Q '.
  • the terminal may receive information on the reduced DMRS configuration from the base station.
  • the UE may receive information about the reduced DMRS configuration through RRC signaling.
  • the terminal is based on at least one of the calculated Q ' ACK and C RI
  • Channel coding is performed on at least one of HARQ-ACK information and the RI information, and at least one of a vector sequence related to the HARQ-ACK information and a vector sequence related to the RI information is generated (S1920).
  • the terminal is based on the calculated Q ' ACK
  • a channel sequence for HARQ-ACK information may be obtained by performing channel coding on HARQ-ACK information.
  • the UE may obtain a vector sequence related to the RI information by performing channel coding on the RI information based on the calculated 0 '[ ⁇ .
  • At least one of the vector sequence for the HARQ-ACK information and the vector sequence for the RI information is allocated (or described) to elements of an interleaving matrix for channel interleaving (S1930).
  • Reduced DMRS may be used to improve uplink spectral efficiency.
  • the reduced DMRS may be mapped to the physical layer, for example as shown in FIG. 7, 8, or 9.
  • the assignment of at least one of the vector sequence for the HARQ—ACK information and the vector sequence for the RI information to the elements of the interleaving matrix may be performed by any one or a combination of the above-described methods 1 to 6 have.
  • the terminal maps at least one of the HARQ-ACK information and the RI information to the physical resource region of the PUSCH based on the interleaving matrix and transmits the same to the base station (S1940). Meanwhile, when the wireless communication system supports MIM0 transmission, the UL-SCH and the UCI may be processed through the following procedure.
  • 16 is an example of a processing structure of UL-SCH and UCI when supporting MIM0 transmission. 16 illustrates a case where UL-SCH data and UCI are transmitted through two codewords.
  • CRC parity bits are added to TB (transport block) # 1 and TB # 2
  • the CRC parity bits are divided in a code block unit and CRC parity bits are added in a code block unit.
  • the bit sequence after the code segment split ion is performed channel coding.
  • Channel coding is performed to encode encoded bits, rate matching is performed, and code block concatenation is performed to generate a data bit sequence.
  • the data bit sequence for the TB # 1 may be referred to as data CW (codeword) 1
  • data bit sequence for the TB # 2 may be referred to as data CW 2.
  • uplink control information that is, information such as CQI / PMI, RI, and HARQ-ACK
  • HARQ-ACK information may be transmitted by being channel coded through different codewords CW 1 and CW 2 by repeating the same information. The same is true for RI information.
  • the CQI / PMI information may be channel-coded, multiplexed with data on the corresponding codeword by selecting only one of the different codewords.
  • One codeword may include one or more layers.
  • the multiplexed data and CQI / PMI information are input to the channel interleaver in the form of multiplexed vector sequence.
  • each codeword is duplicated for each layer and
  • the channel-coded HARQ-ACK information and the RI information are respectively input to the channel interleaver in the form of a vector sequence.
  • the output of the channel coding of each of the HARQ-ACK information and the RI information may be an input of the channel interleaver after layer replication is performed when a plurality of layers are mapped to one codeword.
  • Layer duplication means that the channel coding output of each of the HARQ-ACK information and the RI information is replicated as many as N L times of layers to which a corresponding transport block is mapped through a specific process.
  • Q ' for channel coding of the HARQ-ACK information and the RI information may be calculated as in Equation 7 below.
  • Q ' rain may be determined according to 0 (alphabetic 0) representing the number of RI bits or HARQ-ACK bits. If (Xalphabet 0) ⁇ 2, Q ' min is
  • ( ⁇ ⁇ may be calculated as shown in Equation 8.
  • Equation 9 Equation 9
  • N (X) SRS is 1 when a specific type -0 SRS subframe and the UE is configured with multiple TAGCTiming Advance Groups.
  • N (X) SRS may be zero.
  • the coding rate of the UCI is determined based on the virtual MCS level generated by averaging the MCS level applied to each transport block (or each codeword) of the PUSCH.
  • Code rate adjustment control information of UCI may be adjusted using p PUSCH 0 f fset , which is an MCS offset.
  • the lower limit of the coding rate can be set by using Q 'as an element of the max expression. That is, Q ' mil can be prevented from ever falling below a particular coding. This can prevent the occurrence of nose outage problems.
  • P PUSCH of f set which is the control information MCS offset for adjusting the coding rate, may be independently set to HARQ-ACK information, RI information, and CQI / PMI information.
  • the MCS offset is defined for single codeword PUSCH transmission and multiple codeword PUSCH transmission.
  • P is RI offse gakwi dingbel t
  • P ⁇ offset is indicated by the upper layer signaling, respectively
  • the rate can be indicated by I RI offset and indices.
  • P and ⁇ RI offset 3 ⁇ 4 ⁇ ⁇ ⁇ I ⁇ is indicated by higher layer signaling, respectively - oifset ACK, MC, I RI 0 ffset, MC and It can be indicated by indexes. This may be represented as in the following Tables 61 to 63.
  • I 11 ⁇ — ACK offset , I RI offse t and I 0f f Set (or I ⁇ 3 - ACK 0ffSet , M C , ⁇ offset, MC and Each may be transmitted to the terminal through RRC signaling.
  • Correction Sheet (Rule 91) ISA / KR UCI mapping and transmission method based on two or more transport block (or codeword) transmission according to the present invention includes the following.
  • Method 7 UCI transmission method using layer-by-layer (and / or codeword) independent coding rate adjustment method
  • FIG. 17 shows an example of an UL processing structure for two TBs in accordance with the present invention.
  • UCI may include CQI / PMI information, RI information, and HARQ-ACK information.
  • UCI may be transmitted through two transport blocks (codewords).
  • the CQI / PMI information may be transmitted by selecting only one of the plurality of transport blocks.
  • CQI / PMI information may be transmitted through a transport block having the highest I MCS value.
  • the IMCS value is It represents an MCS modulat ion and coding scheme index and may be indicated by an initial UL grant.
  • the CQI / PMI information may only be assigned the highest IMCS value on the initial grant. It can be multiplexed with data on the image. If the two transport blocks have the same I MCS value on the corresponding initial grant, the CQI / PMI information is multiplexed with the data on the first transport block.
  • the multiplexed data and CQI / PMI information are input to the channel interleaver in the form of a multiplexed vector sequence.
  • the HARQ-ACK information and the RI information may be transmitted through the plurality of transport blocks TB # 1 and TB # 2 with the same information repeated (repet it ion).
  • an independent processing procedure is performed for each transport block (or codeword).
  • HARQ-ACK information and RI information for each codeword are channel coded according to a specific coding, respectively, and input of a channel interleaver in the form of a vector sequence for HARQ-ACK information and a vector sequence for RI information.
  • Q ' that is, Q ' ACK and Q ' RI
  • One codeword may include a plurality of layers. In this case, a coding rate may be controlled according to the following method.
  • the HARQ-ACK information and the RI information are independent P oifset (eg, P) for each codeword (CW) and each layer. .v and P RI oiiset , v ) can be set (Method 7-1).
  • P oifset e.g. P
  • 3 0ifset - can be set (for example, ⁇ TM 9 ACK oiiset, cw and i3 et RI 0, cw.) (The method 2).
  • the method 7-1 may include the method 7-2.
  • one beta 9 — AC offset and one PRI offset may be used for HARQ-ACK information and RI information regardless of CW and layer.
  • ⁇ 11 ⁇ - it is set only one ACK is 0 and f fset P RI offset respectively. Accordingly, each of the layers mapped in all CWs can generate HARQ-ACK information and RI information on the PUSCH by generating a number of modulation symbols according to Q ′ ACK and Q ′ RI with the same coding rate.
  • channel coding may cause inefficient resource waste in medium-to-high signal-to-noise ratio (SNR) environments and low mobility channel environments where overhead reduction may be applied.
  • SNR signal-to-noise ratio
  • control information MCS offset for applying different coding rates for each layer or for each layer in order to maximize spectral efficiency. Setting can contribute to system performance.
  • P PUSCH offset can be represented as Table 64 below, and when setting the coding rate offset value for each CW according to Method 2, P PUSCH offset can be represented as Table 65 below. have.
  • codeword-to-layer mapping may be performed as follows. When two layers are transmitted, they are mapped to one layer for each CW. When three layers are transmitted, two layers are mapped to one CW and one layer is mapped to the other CW. When four layers are transmitted, two layers are mapped to each CW.
  • an IMCS value for CT1 and CW1 for CW1 are transmitted.
  • Q 'ACK.CTi or Q' RI.CTI
  • Q' RI.CTI can be calculated (S1310), on the CW2 respect to CW2
  • Q can be calculated the 'ACK, CW2 (or Q' RI.CW2) (S1320).
  • FIG. 17 and FIG. 18 have described examples of using different MCS offset values for each CW, as described above, the number of coded modulation symbols for each layer is expressed by using different MCS offset values for each layer.
  • Q ' ACK, v (or Q' RI, v) may be calculated.
  • Channel coding for each of the RI information may be performed independently.
  • the number of coded bits Q may be different for each CW or layer.
  • Q is Q 'is Q ⁇ cw cw.
  • Q ra and cw represent the modulation order for the corresponding codeword. Therefore, to increase the efficiency of channel coding, Q ' of CW1 and CW2 may be compared, and channel coding for CW1 and CW2 may be performed based on a larger Q ' .
  • FIG. 19 shows an example of a channel coding method according to Method 7 of the present invention.
  • the terminal checks whether Q ′ cwi for CW 1 is smaller than Q ′ CW 2 for CW 2 (S1400).
  • Q ' cw i may be Q' ACI WI or Q 'RI, CW I.
  • Q 'cw2-CT Q' ACK , cw2 Q 'RI, cw2 may be.
  • the terminal performs channel coding based on Q ' ⁇ for CW1 and CW2 (S1420).
  • Channel coding for CW could use some of the coded bits for CW with more number of coded bits.
  • a CW for transmitting HARQ-ACK information and / or RI information is selected based on a combination of N L and I s for each CW (method 8-3).
  • HARQ-ACK information and / or RI information may be transmitted on the CT selected according to the following criteria.
  • the terminal selects the CW having the highest IMCS (S1610).
  • the terminal does not select the CW, but applies the existing method for transmitting HARQ-ACK information and / or RI information, or other proposed The method is applied (S1640).
  • HARQ-ACK information and / or RI information on the CW determined according to the above criteria performs layer duplication as necessary, and channel interleaving, scrambling, modulation, codeword-layer mapping (codeword-t layer). After mapping and precoding, resources may be mapped to a PUSCH region.
  • the terminal 290Q includes a memory 2905, a processor 2910, and an RF unit 2920.
  • the memory 2905 is connected to the processor 2910 and stores various information for driving the processor 2910.
  • the F unit 2920 is connected to the processor 2910 and transmits and / or receives a radio signal.
  • Processor 2910 implements the proposed functions, processes and / or methods for performing operations in accordance with the present invention. In the above-described embodiments, the operation of the base station may be implemented by the control of the processor 2910.
  • the processor 2910 includes a coding rate adjustment block 2912, a channel coding unit 2913, a channel interleaver 2914, and a mapper 2915.
  • the RF unit 2920 receives PUSCH scheduling information from the base station through the PDCCH.
  • the PUSCH scheduling information may be indicated through, for example, DCI format 0.
  • the RF unit 2920 may receive information on the reduced DMRS configuration from the base station.
  • the information on the reduced DMRS configuration may be information indicating reduced DMRS mapping in the physical layer as shown in, for example, FIG. 7, 8, or 9.
  • RF unit 2920 may receive an index of I offset, MC control information indicative of the MCS offset PUSCH oiiset i3, cw value for codeword-specific coding rate control from the base station through higher layer signaling.
  • the P PUSCH offset, cw are the ⁇ " ⁇ - ACK oifset, cw deulyigo, the I 0 f fset, MC will be I ⁇ ACK oifset, MC
  • the uplink control information is the RI information
  • 3 PUSCH OFFSET and the CWs may be! ⁇
  • the Ioffset may be I RI 0 ff set c.
  • Coding rate adjustment block 2912 calculates Q ' representing the number of coded modulation symbols for uplink control information.
  • Control coding rate beultok 2912 calculates Q 'ACK and / or 0, 1 ⁇ .
  • Control coding rate block 2912 is able to calculate the 'ACK Q based on the above equation (5).
  • the coding rate adjustment block 2912 may calculate 0 ' 1 ⁇ based on Equation 6 described above.
  • x ACK of Equation 5 and 1 of Equation 6 may be set to, for example.
  • the coding rate adjusting block 2912 may calculate and use the ACK and the Q ' RI instead of Q ' when the reduced DMRS is set.
  • the coding rate adjustment block 2912 may calculate 0 'for each codeword.
  • Control coding rate beultok 2912 may also be calculated by a layer Q 'v.
  • the coding rate adjustment block 2912 may calculate the Q ' c , based on Equation 2 or 7 described above.
  • the uplink control information may be HARQ-ACK information or RI information.
  • Q 'are cw Q' may be an ACK, CW.
  • the uplink control information is in the RI information, and the Q 'are cw Q' RI.
  • C v 3 ⁇ 4 can be.
  • the coding rate adjustment block 2912 may detect the P PUSCH offset, cw values based on the I offset and MC . Coding rate adjustment block 2912 is the detected
  • the Q'cws may be calculated based on P PUSCH offset, cw values.
  • the channel coding unit (2913) is based on the 1 «The Q 'ACK and / or the zero
  • the channel coding unit (2913) performs the channel coding on the uplink control information independently by each code word in the Q 'based on the cw.
  • the terminal may generate a vector sequence as an output of the channel coding.
  • the channel interleaver 2914 assigns (or writes) a vector sequence related to the HARQ-ACK information and / or a vector sequence related to the RI information to elements of an interleaving matrix for channel interleaving.
  • the channel interleaver 2914 can assign the vector sequence related to the HARQ-ACK information and / or the vector sequence related to the RI information to the elements of the interleaving matrix based on the reduced DMRS configuration. .
  • the channel interleaver 2914 assigns a vector sequence related to the HARQ-ACK information and / or a vector sequence related to the RI information to elements of the interleaving matrix by any one or a combination of the above-described methods. can do.
  • the mapper 2915 maps at least one of the HARQ-ACK information and the RI information to a physical layer region of the PUSCH based on the interleaving matrix to form the PUSCH multiplexed with the HARQ-ACK information and / or the RI information. It generates and transmits the PUSCH to the base station 2950 through the RF unit 2920.
  • the terminal 2900 may further include a codeword selection unit 2911.
  • the codeword selection unit 2911 may select one codeword for transmission of the uplink control information among the two codewords.
  • the codeword selection unit 2911 compares two I MCS values representing MCS indexes for two transport blocks respectively corresponding to the two codewords, It is possible to select the codeword for the transport block with a high IMCS value.
  • the codeword selection unit 2911 may select the codeword based on N L representing the number of layers to which each codeword is mapped. In this case, the terminal may select a codeword having a larger N L value.
  • the codeword selection unit 2911 may be configured based on a combination of I MCS representing an MCS index for a transport block corresponding to each codeword and N L representing a number of layers to which each codeword is mapped. You can also select a codeword. In this case, the codeword selection unit 2911 may follow the procedures of FIG. 26 described above, for example.
  • the coding rate adjustment block 2912 calculates Q ' representing the number of coded modulat ion symbols for the uplink control information for the selected codeword. For example, when the uplink control information is the HARQ-ACK information, the Q ' may be a Q' ACK. As another example, when the uplink control information is the RI information, the Q ' may be Q ' Ri.
  • the channel coding unit 2913 performs channel coding on the uplink control information based on the ⁇ .
  • the terminal may generate a vector sequence as an output of the channel coding.
  • the base station 2950 includes a memory 2955, a processor 2960, and an RF unit 2970.
  • the memory 2955 is connected to the processor 2960 and stores various information for driving the processor 2960.
  • the RF unit 2970 is connected to the processor 2960 to transmit and / or receive a radio signal.
  • Processor 2960 implements proposed functions, processes, and / or methods for performing operations in accordance with the present invention. In the above-described embodiment, the operation of the base station may be implemented by the control of the processor 2960.
  • the processor 2960 includes a scheduling unit 2961 and a PHY processing unit 2962.
  • the scheduling unit 2961 may generate PUSCH scheduling information and information on DMRS setting and transmit the PUSCH scheduling information to the terminal 2900 through the RF unit 2970.
  • the scheduling unit 2961 may also transmit, via the RF unit 2970, an index I offset , MC indicating i3 PUSCH of fset , cw values, which are control information MCS offsets for code rate adjustment per codeword.
  • the RF unit 2970 receives the PUSCH multiplexed with the HARQ-ACK information and / or the RI information from the terminal 2900.
  • the PHY processor 2962 may process and interpret the PUSCH in consideration of the above-described mapping scheme and coding rate for HARQ-ACK information and / or RI information.
  • the processor may include ASKXappl i cat ion-spec fic integrated ci rcui t), other chipsets, logic circuits and / or data processing devices.
  • the memory may include read-only memory (R0M), random access memory (RAM), flash memory, memory cards, storage media and / or other storage devices.
  • the RF unit may include a baseband circuit for processing a radio signal. Example When implemented in software, the above-described technique may be implemented by modules (processes, functions, etc.) that perform the functions described above.
  • the module may be stored in memory and executed by a processor.
  • the memory may be internal or external to the processor and may be coupled to the processor by a variety of well known means.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un terminal pour transmettre des informations de commande de liaison montante (UCI) par l'intermédiaire d'un canal partagé de liaison montante physique (PUSCH), et comprenant un bloc d'ajustement de débit de code qui calcule Q'ACK représentant le nombre de symboles de modulation codés relatifs à des informations HARQ-ACK transmises sur une sous-trame pour une transmission de PUSCH, et Q'RI représentant le nombre de symboles de modulation codés relatifs à des informations RI transmises sur une sous-trame. Le bloc de réglage de taux de codage calcule la variable Q'ACK en fonction d'une variable ϰACK afin de commander le nombre de symboles SC-FDMA sur lesquels les informations HARQ-ACK sont mappées, et calcule Q'RI en fonction de la variable ϰRI afin de commander le nombre de symboles SC-FDMA devenant des informations RI.
PCT/KR2015/000920 2014-01-28 2015-01-28 Procédé et dispositif pour traiter des informations de commande de liaison montante (uci) dans un système de communications sans fil WO2015115804A1 (fr)

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KR1020140010852A KR20150089811A (ko) 2014-01-28 2014-01-28 상향링크 ｍｉｍｏ를 지원하는 무선 통신 시스템에서 ｕｃｉ 전송 방법 및 그 장치
KR1020140010642A KR20150089715A (ko) 2014-01-28 2014-01-28 무선 통신 시스템에서 ｕｃｉ 코딩율 조절 방법 및 그 장치
KR10-2014-0010852 2014-01-28
KR10-2014-0010641 2014-01-28
KR1020140010641A KR20150089714A (ko) 2014-01-28 2014-01-28 무선 통신 시스템에서 ｕｃｉ 맵핑 방법 및 그 장치
KR10-2014-0010642 2014-01-28

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017034265A1 (fr) * 2015-08-21 2017-03-02 엘지전자 주식회사 Procédé et dispositif d'émission/réception de signal de terminal v2x dans un système de communication sans fil
WO2018030858A1 (fr) * 2016-08-11 2018-02-15 엘지전자 주식회사 Procédé destiné à un terminal de transmission d'informations de commande de liaison montante et terminal utilisant ce procédé
CN108464045A (zh) * 2015-12-25 2018-08-28 株式会社Ntt都科摩 用户终端、无线基站及无线通信方法
CN108633053A (zh) * 2017-03-24 2018-10-09 中兴通讯股份有限公司 一种信息传输方法及装置
WO2019073968A1 (fr) * 2017-10-11 2019-04-18 株式会社Ｎｔｔドコモ Équipement utilisateur et procédé de communication sans fil
WO2019098700A1 (fr) * 2017-11-15 2019-05-23 엘지전자 주식회사 Procédé de transmission d'informations de commande de liaison montante par terminal dans un système de communication sans fil, et terminal mettant en œuvre le procédé
CN110855330A (zh) * 2018-08-20 2020-02-28 电信科学技术研究院有限公司 一种传输方法及装置
WO2021060952A1 (fr) * 2019-09-27 2021-04-01 Samsung Electronics Co., Ltd. Procédé et dispositif permettant de transmettre/recevoir des informations de commande de liaison montante dans un système de communication sans fil
CN112600646A (zh) * 2017-03-17 2021-04-02 上海朗帛通信技术有限公司 一种被用于无线通信的用户、基站中的方法和装置
US11139937B2 (en) 2017-01-06 2021-10-05 Electronics And Telecommunications Research Institute Uplink control information transmission method and device
CN114785378A (zh) * 2022-03-09 2022-07-22 北京遥感设备研究所 一种远距离交会对接微波雷达快速同步的系统与方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110310986A1 (en) * 2010-06-18 2011-12-22 Research In Motion Limited System and Method for Uplink Control Information Transmission in Carrier Aggregation
US20120051245A1 (en) * 2010-08-25 2012-03-01 Samsung Electronics Co., Ltd. Multiplexing of control and data in ul mimo system based on sc-fdm
US20130028203A1 (en) * 2010-01-08 2013-01-31 Kari Juhani Hooli Uplink Control Information Transmission
US20130230004A1 (en) * 2010-05-04 2013-09-05 Samsung Electronics Co., Ltd Method and system for indicating the transmission mode for uplink control information
US20130322398A1 (en) * 2011-02-23 2013-12-05 Lg Electronics Inc. Method for coding and transmitting uplink control information in a wireless access system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130028203A1 (en) * 2010-01-08 2013-01-31 Kari Juhani Hooli Uplink Control Information Transmission
US20130230004A1 (en) * 2010-05-04 2013-09-05 Samsung Electronics Co., Ltd Method and system for indicating the transmission mode for uplink control information
US20110310986A1 (en) * 2010-06-18 2011-12-22 Research In Motion Limited System and Method for Uplink Control Information Transmission in Carrier Aggregation
US20120051245A1 (en) * 2010-08-25 2012-03-01 Samsung Electronics Co., Ltd. Multiplexing of control and data in ul mimo system based on sc-fdm
US20130322398A1 (en) * 2011-02-23 2013-12-05 Lg Electronics Inc. Method for coding and transmitting uplink control information in a wireless access system

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10433294B2 (en) 2015-08-21 2019-10-01 Lg Electronics Inc. Method and device for transmitting/receiving signal of V2X terminal in wireless communication system
US11277826B2 (en) 2015-08-21 2022-03-15 Lg Electronics Inc. Method and device for transmitting/receiving signal of V2X terminal in wireless communication system
WO2017034265A1 (fr) * 2015-08-21 2017-03-02 엘지전자 주식회사 Procédé et dispositif d'émission/réception de signal de terminal v2x dans un système de communication sans fil
CN108464045A (zh) * 2015-12-25 2018-08-28 株式会社Ntt都科摩 用户终端、无线基站及无线通信方法
EP3383111A4 (fr) * 2015-12-25 2018-12-19 NTT DoCoMo, Inc. Terminal utilisateur, station de base sans fil et procédé de communication sans fil
US20190007248A1 (en) * 2015-12-25 2019-01-03 Ntt Docomo, Inc. User terminal, radio base station and radio communication method
US10880915B2 (en) 2016-08-11 2020-12-29 Lg Electronics Inc. Method for terminal for transmitting uplink control information in wireless communication system, and terminal utilizing method
WO2018030858A1 (fr) * 2016-08-11 2018-02-15 엘지전자 주식회사 Procédé destiné à un terminal de transmission d'informations de commande de liaison montante et terminal utilisant ce procédé
US11139937B2 (en) 2017-01-06 2021-10-05 Electronics And Telecommunications Research Institute Uplink control information transmission method and device
CN112600646B (zh) * 2017-03-17 2022-03-29 上海朗帛通信技术有限公司 一种被用于无线通信的用户、基站中的方法和装置
CN112600646A (zh) * 2017-03-17 2021-04-02 上海朗帛通信技术有限公司 一种被用于无线通信的用户、基站中的方法和装置
CN108633053B (zh) * 2017-03-24 2023-04-28 中兴通讯股份有限公司 一种信息传输方法及装置
CN108633053A (zh) * 2017-03-24 2018-10-09 中兴通讯股份有限公司 一种信息传输方法及装置
JP7227147B2 (ja) 2017-10-11 2023-02-21 株式会社Ｎｔｔドコモ 端末、無線通信方法、基地局及びシステム
WO2019073968A1 (fr) * 2017-10-11 2019-04-18 株式会社Ｎｔｔドコモ Équipement utilisateur et procédé de communication sans fil
JPWO2019073968A1 (ja) * 2017-10-11 2020-11-26 株式会社Ｎｔｔドコモ ユーザ端末及び無線通信方法
US10939422B2 (en) 2017-11-15 2021-03-02 Lg Electronics Inc. Method for transmitting uplink control information of terminal in wireless communication system and terminal using the method
WO2019098700A1 (fr) * 2017-11-15 2019-05-23 엘지전자 주식회사 Procédé de transmission d'informations de commande de liaison montante par terminal dans un système de communication sans fil, et terminal mettant en œuvre le procédé
US10681683B2 (en) 2017-11-15 2020-06-09 Lg Electronics Inc. Method for transmitting uplink control information of terminal in wireless communication system and terminal using the method
CN110855330A (zh) * 2018-08-20 2020-02-28 电信科学技术研究院有限公司 一种传输方法及装置
CN110855330B (zh) * 2018-08-20 2022-05-03 大唐移动通信设备有限公司 一种传输方法及装置
US11968140B2 (en) 2018-08-20 2024-04-23 Datang Mobile Communications Equipment Co., Ltd. Transmission method and apparatus
WO2021060952A1 (fr) * 2019-09-27 2021-04-01 Samsung Electronics Co., Ltd. Procédé et dispositif permettant de transmettre/recevoir des informations de commande de liaison montante dans un système de communication sans fil
CN114128189A (zh) * 2019-09-27 2022-03-01 三星电子株式会社 用于在无线通信系统中发送/接收上行链路控制信息的方法和设备
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