WO2019072206A1 - Procédé et dispositif de communication - Google Patents

Procédé et dispositif de communication Download PDF

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Publication number
WO2019072206A1
WO2019072206A1 PCT/CN2018/109812 CN2018109812W WO2019072206A1 WO 2019072206 A1 WO2019072206 A1 WO 2019072206A1 CN 2018109812 W CN2018109812 W CN 2018109812W WO 2019072206 A1 WO2019072206 A1 WO 2019072206A1
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WO
WIPO (PCT)
Prior art keywords
modulation
target
user equipment
modulation mode
network device
Prior art date
Application number
PCT/CN2018/109812
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English (en)
Chinese (zh)
Inventor
刘凤威
陈磊
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201810150923.3A external-priority patent/CN109660479A/zh
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP20212376.6A priority Critical patent/EP3860011A1/fr
Priority to BR112019022843-8A priority patent/BR112019022843A2/pt
Priority to PL18866157T priority patent/PL3605985T3/pl
Priority to EP18866157.3A priority patent/EP3605985B1/fr
Priority to ES18866157T priority patent/ES2862384T3/es
Publication of WO2019072206A1 publication Critical patent/WO2019072206A1/fr
Priority to US16/556,946 priority patent/US10721111B2/en
Priority to US16/863,573 priority patent/US11716234B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • 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
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits

Definitions

  • the present application relates to the field of communications technologies, and in particular, to a communication method and apparatus.
  • the new radio (NR) system includes operating frequency bands above 6 GHz.
  • NR uplink uses discrete Fourier transform to spread orthogonal frequency division multiplexing (discrete fourier transform).
  • Orthogonal frequency division multiplexing (DFT-S-OFDM) waveform complements the OFDM waveform.
  • DFT-S-OFDM Orthogonal frequency division multiplexing
  • PAPR peak-to-average power ratio
  • NR introduces ⁇ /2-binary Phase shift keying ( ⁇ /2-binary shift-phase keying, ⁇ /2-BPSK) modulation and frequency domain spectrum shaping (FDSS) techniques.
  • the ⁇ /2-BPSK modulation overlaps with the applicable range of the existing quadrature phase shift keying (QPSK) modulation.
  • QPSK quadrature phase shift keying
  • the network equipment such as the NR base station (next radio node B, gNB) is in the overlapping area to the user.
  • MCS modulation and coding scheme
  • MCS tables that provide modulation for communication between network devices and user equipment.
  • MCS table of 802.11ad multiple high-rate MCSs of ⁇ /2-BPSK are used, however, in the same Under spectral efficiency, low bit rate QPSK generally provides better performance. The coverage of the low bit rate QPSK is missing from the MCS table of 802.11ad.
  • NB-IoT narrow band internet of things
  • MCS 0-1 uses ⁇ /2-BPSK modulation
  • QPSK modulation QPSK modulation.
  • these two modulation methods may cover a larger signal-to-noise ratio range, and different bandwidth scenarios need to be considered.
  • the fixed cross-configuration of NB-IOT is difficult to meet NR requirements.
  • a communication method and apparatus provided by an embodiment of the present application enable a network device to flexibly select a modulation mode in the NR.
  • a communication method includes: determining, by a network device, a modulation mode corresponding to a target index number according to a correspondence between an index number and a modulation mode, where a correspondence between an index number and a modulation mode includes, where each index number corresponds to a set of modulation modes, the modulation mode set includes at least one modulation mode, wherein each of the K modulation mode sets includes a ⁇ /2 binary phase shift keying ⁇ /2-BPSK modulation or a quadrature phase shift key Control QPSK modulation, K is an integer greater than zero; the network device communicates according to a modulation mode corresponding to the target index number.
  • the network device can flexibly select a modulation mode for communicating with the user equipment by using at least one modulation mode included in a modulation mode set.
  • the method further includes: the network device determining a target MCS table, wherein the target MCS table includes the K modulation mode sets. Based on this scheme, the network device can determine the same MCS table that is used in communication with the user device.
  • the target MCS table includes the K modulation mode sets, wherein, among the K modulation mode sets, each of the K1 modulation mode sets includes a ⁇ /2-BPSK modulation, Each modulation mode set in the (K-K1) modulation mode set includes QPSK modulation, where K1 is an integer, 0 ⁇ K1 ⁇ K, 0 ⁇ (K-K1) ⁇ K; or, the target MCS table includes the K a set of modulation modes and a set of N modulation modes, wherein each of the N modulation mode sets includes multi-ary quadrature amplitude M-QAM modulation or ⁇ /2-BPSK modulation, and N and M are positive integers .
  • the network device can flexibly select an appropriate target MCS table from different configuration forms of the MCS table, thereby providing a basis for the network device to select a debugging mode for the user equipment and the user equipment communication.
  • the method further includes: if the corresponding coding mode in the N modulation mode sets is the same as the corresponding coding mode in the K modulation mode sets, the modulation mode of the N modulation mode sets is ⁇ /2-BPSK modulation, N ⁇ M.
  • the determining, by the network device, the target MCS table includes: determining, by the network device, the target MCS table according to the type of the user equipment; or determining, by the network device, the target MCS table according to the target transmission mode;
  • the target transmission mode is a frequency domain spectrum forming FDSS technology or a coverage enhancement mode; or the network device determines the target MCS table according to a bandwidth range used by the user equipment; or the network device determines the target MCS table according to a frequency band used by the user equipment.
  • the network device can select a target MCS table of different configuration modes for communication between the network device and the user equipment according to different determination manners, and can provide a basis for flexible selection of a modulation mode for communication between the network device and the user equipment.
  • the method further includes: the network device sending, to the user equipment, indication information of the target MCS table, where the indication information of the target MCS table is used to indicate information of the target MCS table. Based on the scheme, the user equipment may be caused to determine the target MCS table according to the indication information of the target MCS table sent by the network device.
  • the method further includes: receiving, by the network device, indication information of a target MCS table sent by the user equipment, where the indication information of the target MCS table is used to indicate information of the target MCS table; the network device determines the target
  • the MCS table includes: the network device determining the target MCS table according to the indication information of the target MCS table. Based on the solution, the network device can determine the target MCS table according to the indication information of the target MCS table sent by the user equipment.
  • the method further includes: determining, by the network device, a modulation mode in the set of K modulation modes in the target MCS table according to an initial table. Based on the solution, the network device can determine the specific configuration of the target MCS table, so that the network device avoids the problem of poor experience of the form not approaching the application scenario when using the target MCS table.
  • the network device determines the set of the K modulation modes in the target MCS table.
  • the modulation mode includes: determining, by the network device, that a modulation mode of the K2 modulation mode sets in the K modulation mode sets in the target MCS table is ⁇ /2-BPSK modulation, and (K-K2) of the K modulation mode sets
  • the modulation mode of the modulation mode set is QPSK modulation, where K2 is an integer, 0 ⁇ K2 ⁇ K; or, if the initial modulation mode in the K modulation mode sets in the initial table is QPSK modulation, the network device determines the target MCS table.
  • the modulation mode in the set of K modulation modes includes: determining, by the network device, that a modulation mode of the K2 modulation mode sets in the K modulation mode sets in the target MCS table is ⁇ /2-BPSK modulation, where 0 ⁇ K2 ⁇ K. Based on the scheme, the modulation mode determined in the initial table is flexibly configured as a determined modulation mode, or the modulation mode in the conventional table is configured as ⁇ /2-BPSK modulation, and the network device and the user equipment are selected for communication.
  • the modulation method provides the basis for the NR system.
  • the set of K modulation modes in the initial table includes: a set of modulation modes, a set of B modulation modes, and a set of C modulation modes; wherein each modulation mode of the A modulation mode sets The set includes only ⁇ /2-BPSK modulation, and each of the B modulation mode sets includes only QPSK modulation, and each of the C modulation mode sets includes ⁇ /2-BPSK modulation and QPSK modulation.
  • the set of K modulation modes in the initial table includes: A modulation mode set and B modulation a set of modes, wherein each set of modulation modes in the set of A modulation modes includes only ⁇ /2-BPSK modulation, and only the QPSK modulation is included in the set of B modulation modes; the initial table further includes a set of D modulation modes, where Each set of modulation modes in the set of D modulation modes includes ⁇ /2-BPSK modulation and M-QAM modulation; wherein, A, B, and D are integers, 0 ⁇ A ⁇ K, 0 ⁇ B ⁇ K, 0 ⁇ D ⁇ B.
  • the initial table includes at least a set of K modulation modes, where the K modulation mode sets include A and B modulation mode sets; each of the A modulation mode sets includes ⁇ /2-BPSK Modulation, each of the B modulation mode sets includes QPSK modulation; the MCS initial table further includes E modulation mode sets, each of the E modulation mode sets includes M-QAM modulation, and the E The M-QAM modulation in the modulation mode set can be modified to ⁇ /2-BPSK modulation, and the E modulation modes are set as the modulation mode set of the non-K modulation mode sets in the initial table, where A, B and E are integers, M Is a positive integer, 0 ⁇ A ⁇ K, 0 ⁇ B ⁇ K, 0 ⁇ E ⁇ B.
  • the method further includes: the network device sending configuration information of the modulation mode to the user equipment, where the configuration information of the modulation mode is used to indicate the set of the K modulation modes in the target MCS table determined by the network device Information on the modulation method.
  • the method further includes: the network device receiving the configuration information of the modulation mode sent by the user equipment, where the configuration information of the modulation mode is used to indicate the set of the K modulation modes in the target MCS table determined by the user equipment
  • the information about the modulation mode in the target MCS table according to the initial table includes: determining, by the network device, the Ks in the target MCS table according to the configuration information of the modulation mode Modulation method in the modulation mode set.
  • the method further includes: the network device updating a modulation mode in the set of K modulation modes in the target MCS table. Based on the solution, the network device can update the modulation mode in the target MCS table, and can flexibly update according to the application scenario, so that the network device and the user equipment communicate flexibly to select a modulation mode.
  • the method further includes: the network device sending update indication information to the user equipment, where the update indication information is used to indicate the set of the K modulation modes in the target MCS table that is updated by the network device Information on the modulation method. Based on the scheme, the network device can instruct the user equipment to update the target MCS table using the network device.
  • the method further includes: receiving, by the network device, update indication information that is sent by the user equipment, where the update indication information is used to indicate the set of the K modulation modes in the target MCS table that is updated by the network device The information about the modulation mode in the target MCS table, the network device updating the modulation mode in the set of the K modulation modes in the target MCS table according to the update indication information Modulation. Based on the solution, the network device can update the modulation mode in the target MCS table, and can be flexibly updated according to the application scenario, so that the communication mode of the network device and the user equipment is flexibly selected and has a basis.
  • the method further includes: determining, by the network device, a value of a target parameter or a target preset correspondence, where the target parameter includes a maximum output power gain, a carrier frequency range, or a bandwidth range, and the target preset
  • the correspondence relationship includes a preset correspondence between the value of the target parameter and the modulation mode in the K modulation mode sets; the network device updates the modulation mode in the K modulation mode sets in the target MCS table, including: the network device according to the The target parameter or the target preset correspondence updates the modulation mode in the K modulation mode sets in the target MCS table.
  • the network device can implement updating of the target MCS table on the network device side according to the target parameter or the target preset correspondence.
  • the determining, by the network device, the value of the target parameter or the target preset correspondence includes: determining, by the network device, the value of the target parameter or the target preset correspondence according to the configuration information of the target parameter;
  • the configuration information of the target parameter includes: a maximum output power gain, a carrier frequency range, a bandwidth range, and/or a correspondence determined by the user equipment.
  • the network device can implement determining a value of the target parameter or a target preset correspondence.
  • the method further includes: receiving, by the network device, configuration information of the target parameter sent by the user equipment, where the configuration information of the target parameter includes: a maximum data power gain, a carrier frequency range, a bandwidth range, and/or Corresponding relationship determined by the user equipment; the network device sends confirmation configuration information of the target parameter to the user equipment.
  • the network device may determine the value of the target parameter or the target preset correspondence according to the configuration information of the target parameter sent by the user equipment, so that the network device may update the target MCS table according to the value of the target parameter or the target preset correspondence.
  • the determining, by the network device, the target MCS table includes: the network device designating an MCS table as the target MCS table; or the network device receiving the first MCS table sent by the user equipment, where, the first The MCS table is a target MCS table determined by the user equipment; the network device determines the target MCS table based on the first MCS table.
  • the network device can select a table of different configuration modes for communication between the network device and the user equipment according to different determination manners, and can provide a basis for flexible selection of a modulation mode for communication between the network device and the user equipment.
  • the indication information of the target MCS table is sent by the network device to the user equipment by using downlink control signaling DCI, radio resource control signaling RRC, or media access control layer control element MAC CE.
  • the update indication information is sent by the network device to the user equipment by using a DCI, an RRC, or a MAC CE.
  • the configuration information of the target parameter is sent by the network device to the user equipment by using a DCI, an RRC, or a MAC CE.
  • a communication method includes: determining, by a user equipment, a modulation mode corresponding to a target index number according to a correspondence between an index number and a modulation mode, where a correspondence between an index number and a modulation mode includes, each index number Corresponding a set of modulation modes, the modulation mode set includes at least one modulation mode, wherein each of the K modulation mode sets includes a ⁇ /2 binary phase shift keying ⁇ /2-BPSK modulation or a quadrature phase shift Keying QPSK modulation, K is an integer greater than zero; the user equipment communicates according to a modulation mode corresponding to the target index number.
  • the user equipment can flexibly select a modulation mode for communicating with the network device by using at least one modulation mode that is included in the modulation mode set.
  • the method further includes: the user equipment determining a target MCS table, wherein the target MCS table includes the K modulation mode sets. Based on this scheme, the user equipment can determine the same MCS table used for communication with the network device.
  • the target MCS table includes the K modulation mode sets, wherein, among the K modulation mode sets, each of the K1 modulation mode sets includes a ⁇ /2-BPSK modulation, Each modulation mode set in the (K-K1) modulation mode set includes QPSK modulation, where K1 is an integer, 0 ⁇ K1 ⁇ K, 0 ⁇ (K-K1) ⁇ K; or, the target MCS table includes the K a set of modulation modes and a set of N modulation modes, wherein each of the N modulation mode sets includes multi-ary quadrature amplitude M-QAM modulation or ⁇ /2-BPSK modulation, and N and M are integers.
  • the user equipment can flexibly select an appropriate target MCS table from different configuration forms of the MCS table, thereby providing a basis for selecting the debugging mode for the user equipment and the user equipment.
  • the method further includes: if the corresponding coding mode in the N modulation mode sets is the same as the corresponding coding mode in the K modulation mode sets, the modulation mode of the N modulation mode sets is ⁇ / 2-BPSK modulation, N ⁇ M.
  • the determining, by the user equipment, the target MCS table includes: determining, by the user equipment, the target MCS table according to the type of the user equipment; or determining, by the user equipment, the target MCS table according to the target transmission mode; wherein the target The transmission mode is a frequency domain spectrum forming FDSS technology or a coverage enhancement mode; or the user equipment determines the target MCS table according to a bandwidth range used by the user equipment; or the user equipment determines the target MCS table according to a frequency band used by the user equipment.
  • the user equipment can select the target MCS table of different configuration modes for the communication between the user equipment and the network device according to different determination manners, and can provide a basis for the flexible selection of the modulation mode for the user equipment and the network equipment communication.
  • the method further includes: the user equipment sending the indication information of the target MCS table to the network device, where the indication information of the target MCS table is used to indicate information of the target MCS table. Based on the scheme, the network device can be caused to determine the target MCS table according to the indication information of the target MCS table sent by the user equipment.
  • the method further includes: receiving, by the user equipment, indication information of a target MCS table sent by the network device, where the indication information of the target MCS table is used to indicate information of the target MCS table; the user equipment determines the target
  • the MCS table includes: the user equipment determines the target MCS table according to the indication information of the target MCS table. Based on the scheme, the user equipment can implement the determination of the target MCS table by the indication of the network device.
  • the user equipment sends a first MCS table to the network device, where the first MCS table is a target MCS table determined by the user equipment.
  • the user equipment can implement the MCS table that is determined to be used by the user equipment, and the network device can determine whether the first table is suitable for the target network device according to the first table sent by the user equipment.
  • the method further includes: determining, by the user equipment, a modulation mode in the set of K modulation modes in the target MCS table according to an initial table. Based on the solution, the user equipment can determine the specific configuration of the target MCS table, so that the user equipment avoids the problem of poor experience of the form not approaching the application scenario when using the target MCS table.
  • the network device determines the set of the K modulation modes in the target MCS table.
  • the modulation mode includes: determining, by the network device, that a modulation mode of the K2 modulation mode sets in the K modulation mode sets in the target MCS table is ⁇ /2-BPSK modulation, and (K-K2) of the K modulation mode sets
  • the modulation mode of the modulation mode set is QPSK modulation, where K2 is an integer, 0 ⁇ K2 ⁇ K; or, if the initial modulation mode in the K modulation mode sets in the initial table is QPSK modulation, the network device determines the target MCS table.
  • the modulation mode in the set of K modulation modes includes: determining, by the network device, that a modulation mode of the K2 modulation mode sets in the K modulation mode sets in the target MCS table is ⁇ /2-BPSK modulation, where 0 ⁇ K2 ⁇ K. Based on the scheme, the modulation mode determined in the initial table is flexibly configured as a determined modulation mode, or the modulation mode in the conventional table is configured as ⁇ /2-BPSK modulation, and the communication is selected for the user equipment and the network device.
  • the modulation method provides the basis for the NR system.
  • the set of K modulation modes in the initial table includes: a set of modulation modes, a set of B modulation modes, and a set of C modulation modes; wherein each modulation mode of the A modulation mode sets The set includes only ⁇ /2-BPSK modulation, and each of the B modulation mode sets includes only QPSK modulation, and each of the C modulation mode sets includes ⁇ /2-BPSK modulation and QPSK modulation.
  • the set of K modulation modes in the initial table includes: A modulation mode set and B modulation a set of modes, wherein each set of modulation modes in the set of A modulation modes includes only ⁇ /2-BPSK modulation, and only the QPSK modulation is included in the set of B modulation modes; the initial table further includes a set of D modulation modes, where Each set of modulation modes in the set of D modulation modes includes ⁇ /2-BPSK modulation and M-QAM modulation; wherein, A, B, and D are integers, 0 ⁇ A ⁇ K, 0 ⁇ B ⁇ K, 0 ⁇ D ⁇ B.
  • the initial table includes at least K sets of modulation modes, where the K sets of modulation modes include A and B sets of modulation modes.
  • Each modulation mode set in the A modulation mode set includes ⁇ /2-BPSK modulation, and each modulation mode set in the B modulation mode sets includes QPSK modulation;
  • the MCS initial table further includes E modulation mode sets, and the E modulations
  • Each modulation mode set in the mode set includes M-QAM modulation, and the M-QAM modulation in the E modulation mode set may be modified to ⁇ /2-BPSK modulation, and the E modulation mode sets are non-K modulation modes in the initial table.
  • a set of modulation modes of the set wherein A, B, and E are integers, M is a positive integer, 0 ⁇ A ⁇ K, 0 ⁇ B ⁇ K, and 0 ⁇ E ⁇ B.
  • the method includes: the user equipment sends the configuration information of the modulation mode to the network device, where the configuration information of the modulation mode is used to indicate the set of the K modulation modes in the target MCS table determined by the user equipment. Information on the modulation method.
  • the user equipment After determining the modulation mode in the K modulation mode sets in the target MCS table, the user equipment sends the configuration information of the modulation mode to the network device, so that the correlation between the user equipment and the target MCS table update may be implemented, so that The update of the target MCS table is not only related to the network device, but also related to the user equipment, so that the target has no form of the MCS table closer to the used scenario, so that the network device and the user equipment are more flexible and accurate in selecting the modulation mode.
  • the method further includes: the user equipment receiving the configuration information of the modulation mode sent by the network device, where the configuration information of the modulation mode is used to indicate the set of the K modulation modes in the target MCS table determined by the network device
  • the modulation mode of the target MCS table is determined by the user equipment according to the initial table: the user equipment determines the K modulation modes in the target MCS table according to the configuration information of the modulation mode.
  • the modulation method in the set is
  • the user equipment updates a modulation mode in the set of K modulation modes in the target MCS table. Based on the solution, the user equipment can update the modulation mode of the target MCS table, and can flexibly update according to the application scenario, so that the user equipment and the network device can flexibly select the modulation mode.
  • the method further includes: the user equipment sends update indication information to the network device, where the update indication information is used to indicate the set of the K modulation modes in the target MCS table that is updated by the user equipment Information on the modulation method. Based on the scheme, the user equipment can instruct the network device to use the target MCS table updated by the network device.
  • the method further includes: receiving, by the user equipment, update indication information that is sent by the network device, where the update indication information is used to indicate the set of the K modulation modes in the target MCS table that is updated by the user equipment
  • the modulation mode of the K modulation mode set in the target MCS table is updated by the user equipment: the user equipment updates the modulation mode in the K modulation mode sets in the target MCS table according to the update indication information.
  • the user equipment can implement the update of the target MCS table on the user equipment side according to the update indication sent by the network device.
  • the method further includes: determining, by the user equipment, a value of a target parameter or a target preset correspondence, where the target parameter includes a maximum output power gain, a carrier frequency range, or a bandwidth range, and the target preset
  • the corresponding relationship includes a preset correspondence between the value of the target parameter and the modulation mode in the K modulation mode set; the user equipment updates the modulation mode in the K modulation mode sets in the target MCS table, including: the user equipment according to the The target parameter or the target preset correspondence updates the modulation mode in the K modulation mode sets in the target MCS table.
  • the user equipment can implement the update of the target MCS table on the user equipment side according to the value of the target parameter determined by the user equipment or the target preset relationship.
  • the determining, by the user equipment, the value of the target parameter or the target preset correspondence the user equipment determining the value of the target parameter or the target preset correspondence according to the configuration information of the target parameter;
  • the configuration information of the target commitment includes: a maximum output power gain, a carrier frequency range, a bandwidth range, and/or a correspondence determined by the network device.
  • the user equipment may implement determining a value of the target parameter or a target preset correspondence.
  • the method further includes: the user equipment sends configuration information of the target parameter to the network device, where the configuration information of the target parameter includes a maximum output power gain, a carrier frequency range, a bandwidth range, and/or Corresponding relationship determined by the user equipment; the user equipment updating the modulation mode in the K modulation mode sets in the target MCS table includes: the user equipment receiving confirmation configuration information of the target parameter sent by the network device; the user equipment according to the target The parameter confirmation configuration information updates the modulation mode in the K modulation mode sets in the target MCS table. Based on the solution, the user equipment sends the configuration information to the network device, and the user equipment receives the confirmation configuration information sent by the network device, and the user equipment may update the target MCS table according to the indication in the confirmation configuration information sent by the network device.
  • the indication information of the target MCS table is sent by the user equipment to the network device by using a radio resource control signaling RRC or a media access control layer control element MAC CE. Based on the solution, the indication information that the user equipment sends the target MCS table can be implemented.
  • the update indication information is sent by the user equipment to the user equipment by using an RRC or a MAC CE. Based on the scheme, the transmission of the update indication information can be implemented.
  • the configuration information of the target parameter is sent by the user equipment to the network device by using an RRC or a MAC CE.
  • a network device in another aspect, includes a determining module and a communication module, and the determining module is configured to: determine, according to a correspondence between an index number and a modulation mode, a modulation mode corresponding to the target index number, where the index number and the modulation
  • the correspondence between the modes includes a set of modulation modes corresponding to each index number, and the set of modulation modes includes at least one modulation mode, wherein each of the K modulation mode sets includes a ⁇ /2 binary phase shift keying ⁇ /2-BPSK modulation or quadrature phase shift keying QPSK modulation, K is an integer greater than zero
  • the communication module is configured to: communicate according to a modulation mode corresponding to the target index number.
  • the determining module is further configured to: determine a target MCS table, where the target MCS table includes the K modulation mode sets.
  • the target MCS table includes the K modulation mode sets, wherein, among the K modulation mode sets, each of the K1 modulation mode sets includes a ⁇ /2-BPSK modulation, Each modulation mode set in the (K-K1) modulation mode set includes QPSK modulation, where K1 is an integer, 0 ⁇ K1 ⁇ K, 0 ⁇ (K-K1) ⁇ K; or, the target MCS table includes the K a set of modulation modes and a set of N modulation modes, wherein each of the N modulation mode sets includes multi-ary quadrature amplitude M-QAM modulation or ⁇ /2-BPSK modulation, and N and M are positive integers .
  • the modulation mode of the N modulation mode sets is ⁇ /2-BPSK modulation. , N ⁇ M.
  • the determining module is specifically configured to: determine the target MCS table according to the type of the user equipment; or determine the target MCS table according to the target transmission mode; wherein the target transmission mode is frequency domain spectrum forming FDSS The technology or coverage enhancement mode; or, determining the target MCS table according to the bandwidth range used by the user equipment; or determining the target MCS table according to the frequency band used by the user equipment.
  • the network device further includes a sending module, where the sending module is configured to: send the indication information of the target MCS table to the user equipment, where the indication information of the target MCS table is used to indicate information of the target MCS table.
  • the network device further includes: a receiving module, configured to: receive, by the user equipment, indication information of the target MCS table, where the indication information of the target MCS table is used to indicate information of the target MCS table;
  • the determining module is specifically configured to: determine the target MCS table according to the indication information of the target MCS table.
  • the determining module is further configured to: determine, according to the initial table, a modulation mode in the set of K modulation modes in the target MCS table.
  • the determining module is specifically configured to: if the modulation modes included in the K modulation mode sets in the initial table are ⁇ /2-BPSK modulation and QPSK modulation, determine the K modulations in the target MCS table.
  • the modulation mode of the K2 modulation mode sets in the mode set is ⁇ /2-BPSK modulation
  • the modulation mode of the (K-K2) modulation mode sets in the K modulation mode sets is QPSK modulation, where K2 is an integer, 0 ⁇ K2 ⁇ K
  • the initial modulation mode in the K modulation mode sets in the initial table is QPSK modulation
  • determining that the modulation mode of the K2 modulation mode sets in the K modulation mode sets in the target MCS table is ⁇ /2-BPSK Modulation, where 0 ⁇ K2 ⁇ K.
  • the set of K modulation modes in the initial table includes: a set of modulation modes, a set of B modulation modes, and a set of C modulation modes; wherein each modulation mode of the A modulation mode sets The set includes only ⁇ /2-BPSK modulation, and each of the B modulation mode sets includes only QPSK modulation, and each of the C modulation mode sets includes ⁇ /2-BPSK modulation and QPSK modulation.
  • the set of K modulation modes in the initial table includes: A modulation mode set and B modulation a set of modes, wherein each set of modulation modes in the set of A modulation modes includes only ⁇ /2-BPSK modulation, and only the QPSK modulation is included in the set of B modulation modes; the initial table further includes a set of D modulation modes, where Each set of modulation modes in the set of D modulation modes includes ⁇ /2-BPSK modulation and M-QAM modulation; wherein, A, B, and D are integers, 0 ⁇ A ⁇ K, 0 ⁇ B ⁇ K, 0 ⁇ D ⁇ B.
  • the initial table includes at least K sets of modulation modes, where the K sets of modulation modes include A and B sets of modulation modes.
  • Each modulation mode set in the A modulation mode set includes ⁇ /2-BPSK modulation, and each modulation mode set in the B modulation mode sets includes QPSK modulation;
  • the MCS initial table further includes E modulation mode sets, and the E modulations
  • Each modulation mode set in the mode set includes M-QAM modulation, and the M-QAM modulation in the E modulation mode set may be modified to ⁇ /2-BPSK modulation, and the E modulation mode sets are non-K modulation modes in the initial table.
  • a set of modulation modes of the set wherein A, B, and E are integers, M is a positive integer, 0 ⁇ A ⁇ K, 0 ⁇ B ⁇ K, and 0 ⁇ E ⁇ B.
  • the sending module is further configured to: send configuration information of a modulation mode to the user equipment, where the configuration information of the modulation mode is used to indicate the set of the K modulation modes in the target MCS table determined by the network device. Information on the modulation method.
  • the receiving module is further configured to: receive configuration information of a modulation mode sent by the user equipment, where the configuration information of the modulation mode is used to indicate the K modulation modes in the target MCS table determined by the user equipment.
  • the information about the modulation mode in the set; the determining module is further configured to: determine, according to the configuration information of the modulation mode, a modulation mode in the set of K modulation modes in the target MCS table.
  • the network device further includes an update module, configured to: update a modulation mode in the set of K modulation modes in the target MCS table.
  • the sending module is further configured to: send update indication information to the user equipment, where the update indication information is used to indicate that the network device updates the target MCS table in the set of the K modulation modes. Information on the modulation method.
  • the receiving module is further configured to: receive the update indication information sent by the user equipment, where the update indication information is used to indicate the set of the K modulation modes in the target MCS table that is updated by the network device.
  • the information of the modulation mode is further configured to: update, according to the update indication information, a modulation mode in the set of K modulation modes in the target MCS table.
  • the determining module is further configured to: determine a value of the target parameter or a target preset correspondence, where the target parameter includes a maximum output power gain, a carrier frequency range, or a bandwidth range, and the target preset corresponds to The relationship includes a preset correspondence between the value of the target parameter and the modulation mode in the K modulation mode set; the update module is specifically configured to: update the K modulations in the target MCS table according to the target parameter or the target preset correspondence relationship The modulation method in the mode set.
  • the determining module is specifically configured to: determine a value of the target parameter or a target preset correspondence according to the configuration information of the target parameter; the configuration information of the target parameter includes: a maximum output power gain, a carrier The frequency range, bandwidth range, and/or correspondence determined by the user equipment.
  • the receiving module is further configured to: receive configuration information of the target parameter sent by the user equipment, where the configuration information of the target parameter includes: a maximum data power gain, a carrier frequency range, a bandwidth range, and/or the Corresponding relationship determined by the user equipment; the sending module is further configured to: send the confirmation configuration information of the target parameter to the user equipment.
  • the determining module is specifically configured to: specify an MCS table as the target MCS table; or receive a first MCS table sent by the user equipment, where the first MCS table is a target determined by the user equipment. MCS table; determining the target MCS table based on the first MCS table.
  • the indication information of the target MCS table is sent by the network device to the user equipment by using downlink control signaling DCI, radio resource control signaling RRC, or media access control layer control element MAC CE.
  • the update indication information is sent by the network device to the user equipment by using a DCI, an RRC, or a MAC CE.
  • the configuration information of the target parameter is sent by the network device to the user equipment by using a DCI, an RRC, or a MAC CE.
  • a user equipment in another aspect, includes a determining module and a communication module: the determining module is configured to: determine, according to a correspondence between an index number and a modulation mode, a modulation mode corresponding to a target index number, where the index number and the modulation The correspondence between the modes includes a set of modulation modes corresponding to each index number, and the set of modulation modes includes at least one modulation mode, wherein each of the K modulation mode sets includes a ⁇ /2 binary phase shift keying ⁇ /2-BPSK modulation or quadrature phase shift keying QPSK modulation, K is an integer greater than zero; the communication module is configured to: communicate according to a modulation mode corresponding to the target index number.
  • the determining module is further configured to: before determining a modulation mode corresponding to the target index number according to the correspondence between the index number and the modulation mode, determine the target MCS table, where the target MCS table includes the K A collection of modulation methods.
  • the target MCS table includes the K modulation mode sets, wherein, among the K modulation mode sets, each of the K1 modulation mode sets includes a ⁇ /2-BPSK modulation, Each modulation mode set in the (K-K1) modulation mode set includes QPSK modulation, where K1 is an integer, 0 ⁇ K1 ⁇ K, 0 ⁇ (K-K1) ⁇ K; or, the target MCS table includes the K a set of modulation modes and a set of N modulation modes, wherein each of the N modulation mode sets includes multi-ary quadrature amplitude M-QAM modulation or ⁇ /2-BPSK modulation, and N and M are integers.
  • the modulation mode of the N modulation mode sets is ⁇ /2-BPSK modulation. , N ⁇ M.
  • the determining module is specifically configured to: determine the target MCS table according to the type of the user equipment; or determine the target MCS table according to the target transmission mode; wherein the target transmission mode is frequency domain spectrum forming FDSS The technology or coverage enhancement mode; or, determining the target MCS table according to the bandwidth range used by the user equipment; or determining the target MCS table according to the frequency band used by the user equipment.
  • the user equipment further includes a sending module, where the sending module is configured to: send, to the network device, indication information of a target MCS table, where the indication information of the target MCS table is used to indicate information of the target MCS table. .
  • the user equipment further includes a receiving module, where the receiving module is configured to: receive indication information of a target MCS table sent by the network device, where the indication information of the target MCS table is used to indicate information of the target MCS table.
  • the determining module is further configured to: determine the target MCS table according to the indication information of the target MCS table.
  • the sending module is further configured to: send the first MCS table to the network device, where the first MCS table is a target MCS table determined by the user equipment.
  • the determining module is further configured to: determine, according to the initial table, a modulation mode in the set of K modulation modes in the target MCS table.
  • the determining module is specifically configured to: if the modulation modes included in the K modulation mode sets in the initial table are ⁇ /2-BPSK modulation and QPSK modulation, determine the K modulations in the target MCS table.
  • the modulation mode of the K2 modulation mode sets in the mode set is ⁇ /2-BPSK modulation
  • the modulation mode of the (K-K2) modulation mode sets in the K modulation mode sets is QPSK modulation, where K2 is an integer, 0 ⁇ K2 ⁇ K
  • the initial modulation mode in the K modulation mode sets in the initial table is QPSK modulation
  • determining that the modulation mode of the K2 modulation mode sets in the K modulation mode sets in the target MCS table is ⁇ /2-BPSK Modulation, where 0 ⁇ K2 ⁇ K.
  • the set of K modulation modes in the initial table includes: a set of modulation modes, a set of B modulation modes, and a set of C modulation modes; wherein each modulation mode of the A modulation mode sets The set includes only ⁇ /2-BPSK modulation, and each of the B modulation mode sets includes only QPSK modulation, and each of the C modulation mode sets includes ⁇ /2-BPSK modulation and QPSK modulation.
  • the set of K modulation modes in the initial table includes: A modulation mode set and B modulation a set of modes, wherein each set of modulation modes in the set of A modulation modes includes only ⁇ /2-BPSK modulation, and only the QPSK modulation is included in the set of B modulation modes; the initial table further includes a set of D modulation modes, where Each set of modulation modes in the set of D modulation modes includes ⁇ /2-BPSK modulation and M-QAM modulation; wherein, A, B, and D are integers, 0 ⁇ A ⁇ K, 0 ⁇ B ⁇ K, 0 ⁇ D ⁇ B.
  • the initial table includes at least K sets of modulation modes, wherein the K sets of modulation modes include a set of A modulation modes and a set of B modulation modes.
  • Each modulation mode set in the A modulation mode set includes ⁇ /2-BPSK modulation, and each modulation mode set in the B modulation mode sets includes QPSK modulation;
  • the MCS initial table further includes E modulation mode sets, and the E modulations
  • Each modulation mode set in the mode set includes M-QAM modulation, and the M-QAM modulation in the E modulation mode set may be modified to ⁇ /2-BPSK modulation, and the E modulation mode sets are non-K modulation modes in the initial table.
  • a set of modulation modes of the set wherein A, B, and E are integers, M is a positive integer, 0 ⁇ A ⁇ K, 0 ⁇ B ⁇ K, and 0 ⁇ E ⁇ B.
  • the sending module is further configured to: send, to the network device, configuration information of the modulation mode, where the configuration information of the modulation mode is used to indicate the set of the K modulation modes in the target MCS table determined by the user equipment. Information on the modulation method.
  • the receiving module is further configured to: receive configuration information of a modulation mode sent by the network device, where the configuration information of the modulation mode is used to indicate the set of the K modulation modes in the target MCS table determined by the network device.
  • the information about the modulation mode; the determining module is further configured to: determine, according to the configuration information of the modulation mode, a modulation mode in the set of K modulation modes in the target MCS table.
  • the user equipment further includes an update module, where the update module is configured to: update a modulation mode in the set of K modulation modes in the target MCS table.
  • the sending module is further configured to: send update indication information to the network device, where the update indication information is used to indicate that the user equipment updates the set of the K modulation modes in the target MCS table. Information on the modulation method.
  • the receiving module is further configured to: receive update indication information sent by the network device, where the update indication information is used to indicate that the user equipment updates the set of the K modulation modes in the target MCS table.
  • the modulation module is configured to: update, according to the update indication information, a modulation mode in the set of K modulation modes in the target MCS table.
  • the determining module is further configured to: determine a value of the target parameter or a target preset correspondence, where the target parameter includes a maximum output power gain, a carrier frequency range, or a bandwidth range, and the target preset corresponds to The relationship includes a preset correspondence between the value of the target parameter and the modulation mode in the K modulation mode set; the update module is specifically configured to: update the K modulations in the target MCS table according to the target parameter or the target preset correspondence relationship The modulation method in the mode set.
  • the determining module is specifically configured to: determine a value of the target parameter or a target preset correspondence according to the configuration information of the target parameter; the configuration information of the target parameter includes: a maximum output power gain, a carrier The frequency range, bandwidth range, and/or correspondence determined by the network device.
  • the sending module is further configured to: send configuration information of the target parameter to the network device, where the configuration information of the target parameter includes a maximum output power gain, a carrier frequency range, a bandwidth range, and/or the Corresponding relationship determined by the user equipment;
  • the update module is specifically configured to: receive confirmation configuration information of the target parameter sent by the network device; and update a modulation mode in the K modulation mode set in the target MCS table according to the confirmation configuration information of the target parameter .
  • the indication information of the target MCS table is sent by the user equipment to the user equipment by using a radio resource control signaling RRC or a media access control layer control element MAC CE.
  • the update indication information is sent by the user equipment to the network device by using an RRC or a MAC CE.
  • the configuration information of the target parameter is sent by the user equipment to the network device by using a DCI, an RRC, or a MAC CE.
  • a network device including: a processor, a memory, and a communication interface; the memory is configured to store a computer execution instruction, and when the network device is running, the processor executes the computer execution instruction stored by the memory to The network device is caused to perform the communication method of the above aspects.
  • a user equipment including: a processor, a memory, and a communication interface; the memory is configured to store a computer execution instruction, and when the user equipment is running, the processor executes the computer execution instruction stored by the memory to The user equipment is caused to perform the communication method of the above aspects.
  • a network device may be a network device in the above method design, or a chip disposed in the network device.
  • the network device includes a memory for storing computer executable program code, a communication interface, and a processor coupled to the memory and the communication interface.
  • the program code stored in the memory includes instructions that, when executed by the processor, cause the network device to perform the communication method performed by the network device in any of the possible designs described above.
  • a user equipment which may be a user equipment in the above method design, or a chip disposed in the user equipment.
  • the means for transmitting a signal includes: a memory for storing computer executable program code; a communication interface; and a processor coupled to the memory and the communication interface.
  • the program code stored in the memory includes instructions that, when executed by the processor, cause the user equipment to perform the communication method performed by the user equipment in any of the possible designs described above.
  • embodiments of the present application provide a computer readable storage medium having instructions stored therein that, when run on a computer, cause the computer to perform the communication methods of the above aspects.
  • embodiments of the present application provide a computer program product comprising instructions that, when executed on a computer, cause the computer to perform the communication methods of the various aspects described above.
  • FIG. 1 is a schematic diagram of a communication architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a computer device according to an embodiment of the present application.
  • FIG. 3 is a schematic flowchart diagram of a communication method according to an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of still another communication method according to an embodiment of the present application.
  • FIG. 6 is a schematic flowchart diagram of still another communication method according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of interaction of a communication method according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • the modulation coding mode table is a representation proposed to characterize the communication rate.
  • the factors affecting the communication rate of interest can be used as a column of the table, and the MCS index is used as a row to form a rate table.
  • the correspondence between the MCS index number and the modulation mode may be expressed in the form of an MCS table.
  • the MCS table provides a set of modulation and coding modes. To accurately represent the modulation and coding mode, the MCS table includes an MCS index number, a modulation mode, and an encoding mode.
  • the MCS form may also include other content.
  • the MCS index number is used to number MCS.
  • the modulation method can be described by a modulation order or a modulation name.
  • the modulation order is 1st order, 2nd order or 4th order, etc.
  • the modulation name is QPSK, quadrature amplitude modulation (QAM) or BPSK.
  • the coding mode may be a transmission block size (TBS) indication, a code rate indication, or a resource element (RE) bit number (ie, spectrum efficiency) indication.
  • the code rate is the efficiency of coding
  • the code rate the number of data bits transmitted / (the number of data bits transmitted + the number of redundant data bits).
  • Other content can be used to describe information such as the redundancy version of the channel coding.
  • Table 1 shows the 802.11ad MCS form.
  • the 802.11ad MCS table includes: an MCS index, a modulation, a modulation order (N CBPS ), a repetition, a code rate (CR), and a data rate.
  • the data rate unit is Mbps.
  • Table 2 shows the NB-IOT MCS table, which includes the MCS index (I MCS ), modulation order (Q m ), and TBS index (I TBS ) in the NB-IOT MCS table.
  • I MCS Q m I TBS 0 1 0 1 1 2 2 2 1 3 2 3 4 2 4 5 2 5 6 2 6 7 2 7 8 2 8 9 2 9 ... ... ... ...
  • an uplink transmission process S1-S4 is taken as an example to illustrate how to use the MCS table.
  • S1 initialize, determine the MCS table used by the network device and the user equipment.
  • the network device sends scheduling information to the user equipment according to the state of the user equipment, and performs uplink scheduling on the user equipment.
  • the state of the user equipment includes a power headroom, a buffer state, and/or a channel condition.
  • the scheduling information includes an MCS index number, a resource block (RB) location allocated for the user equipment, a bandwidth, a start position of the time domain symbol, a cutoff position of the time domain symbol, and a power control indication.
  • RB resource block
  • the user equipment receives and parses the scheduling information, and determines information such as an allocated MCS index and bandwidth.
  • the user equipment can determine the allocated TBS and the modulation mode according to the MCS index number.
  • the user equipment first performs operations such as channel coding and rate matching; secondly, performs modulation according to modulation mode information; performs resource mapping and other operations according to RB position and bandwidth, and finally generates signal transmission.
  • the network device After receiving the signal of the user equipment, the network device demodulates and decodes the signal according to the previous MCS table and the bandwidth, and then feeds back the ACK/NACK information to the user equipment.
  • FIG. 1 is a schematic diagram of a communication architecture provided by an embodiment of the present application.
  • the communication architecture includes a network device 101 and at least one user device 102.
  • the user device 102 can be the user device 1 and the user device 2.
  • the network device 101 is configured to allocate an MCS table for the user equipment 102, and the user equipment 102 is configured to select and communicate with the network device by the MCS table allocated by the network device 101.
  • both the network device and the user equipment in the embodiment of the present application can be implemented by the computer device (or system) in FIG. 2.
  • FIG. 2 is a schematic diagram of a computer device according to an embodiment of the present application.
  • the computer device 200 includes at least one processor 201, a communication bus 202, a memory 203, and at least one communication interface 204.
  • the processor 201 can be a general central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more for controlling the execution of the program of the present application. integrated circuit.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • Communication bus 202 can include a path for communicating information between the components described above.
  • the communication interface 204 uses devices such as any transceiver for communicating with other devices or communication networks, such as Ethernet, radio access network (RAN), wireless local area networks (WLAN), etc. .
  • devices such as any transceiver for communicating with other devices or communication networks, such as Ethernet, radio access network (RAN), wireless local area networks (WLAN), etc. .
  • RAN radio access network
  • WLAN wireless local area networks
  • the memory 203 can be a read-only memory (ROM) or other type of static storage device that can store static information and instructions, a random access memory (RAM) or other type that can store information and instructions.
  • the dynamic storage device can also be an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, and a disc storage device. (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store desired program code in the form of instructions or data structures and can be Any other media accessed, but not limited to this.
  • the memory can exist independently and be connected to the processor via a bus.
  • the memory can also be integrated with the processor.
  • the memory 203 is used to store application code for executing the solution of the present application, and is controlled by the processor 201 for execution.
  • the processor 201 is configured to execute the application code stored in the memory 203, thereby implementing the communication method in the embodiment of the present application.
  • processor 201 may include one or more CPUs, such as CPU0 and CPU1 in FIG.
  • computer device 200 can include multiple processors, such as processor 201 and processor 207 in FIG. Each of these processors can be a single-CPU processor or a multi-core processor.
  • a processor herein may refer to one or more devices, circuits, and/or processing cores for processing data, such as computer program instructions.
  • computer device 200 may also include an output device 205 and an input device 206.
  • Output device 205 is in communication with processor 201 and can display information in a variety of ways.
  • the output device 205 can be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector.
  • Input device 206 is in communication with processor 201 and can accept user input in a variety of ways.
  • input device 206 can be a mouse, keyboard, touch screen device or sensing device, and the like.
  • the computer device 200 described above can be a general purpose computer device or a special purpose computer device.
  • the computer device 200 can be a desktop computer, a portable computer, a network server, a personal digital assistant (PDA), a mobile phone, a tablet computer, a wireless terminal device, a communication device, an embedded device, or have FIG. A device of similar structure.
  • PDA personal digital assistant
  • the embodiment of the present application does not limit the type of computer device 200.
  • the user equipment may select a modulation coding mode with a lower block error rate (BLER). Since the ⁇ /2-BPSK modulation code rate is twice the QPSK modulation code rate, the theoretical performance of QPSK modulation is better than ⁇ /2-BPSK modulation under the same SNR condition.
  • BLER block error rate
  • Table 3 is a performance difference of the ⁇ /2-BPSK modulation and the QPSK modulation provided by the embodiment of the present application in the case of the same coding mode.
  • Table 3 includes a TBS index (TBS index), a code rate of QPSK (CR for QPSK), a code rate of ⁇ /2-BPSK (CR for ⁇ /2-BPSK), and a performance loss.
  • TBS index indicates the encoding mode.
  • the performance loss in Table 3 refers to the performance loss of ⁇ /2-BPSK modulation relative to QPSK modulation at the same code rate in the Gaussian white noise channel.
  • the fourth column of Table 3 includes theoretical performance loss and simulation performance loss, where the brackets The value inside is the theoretical performance loss, the value outside the parentheses is the simulation performance loss, and the performance loss is in dB. Among them, since the LTE turbo code has no coding gain when the code rate is less than 1/3, the simulation performance loss is 0 in the case of the low code rate.
  • ⁇ /2-BPSK modulation and QPSK modulation have the same signal-to-noise ratio at the receiving end, that is, the two modulation modes have the same signal-to-noise ratio.
  • Table 3 when the TBS index is 0 and the TBS index is 1, the two modulation modes have the same performance, and the ⁇ /2-BPSK modulation has a higher code rate, so the selection of ⁇ /2-BPSK modulation is better.
  • the TBS index is greater than 3
  • the performance of QPSK modulation is better. Therefore, when configuring the MCS table, the modulation scheme corresponding to the TBS index of 0 and 1 is ⁇ /2-BPSK modulation, and the modulation scheme corresponding to other TBS indexes is QPSK.
  • the ⁇ /2-BPSK modulation has a large transmission power, that is, the ⁇ /2-BPSK modulation signal has a high signal to noise ratio at the receiving end.
  • Table 3 assuming that ⁇ /2-BPSK modulation has a transmission power advantage of 1 dB compared to QPSK modulation, for the TBS index of 0-3, ⁇ /2-BPSK modulation can be used to obtain better performance, and the index number is greater than At 3 o'clock, better performance can be obtained by using QPSK modulation.
  • the TBS indicates the number of information bits in a previous transmission block in the channel coding.
  • the TBS value can be confirmed by looking up the table according to the TBS index and the bandwidth information in the MCS table.
  • the NR may determine the TBS value according to the TBS index and the scheduling resource.
  • NR supports a variety of slot lengths. In the time domain, NR can support time slots of a specified length in LTE, and can also support short time slots of any length. In this case, TBS can be used to index and allocate resource elements (resource elements). , RE) number is calculated to obtain the TBS value. For example, a time slot occupying 1 symbol, 2 symbols, 7 symbols, or 14 symbols in the time domain.
  • one RB occupies a length of 7 symbols in the time domain, that is, 0.5 frames (the duration is 0.5 ms), and one resource block pair (RB pair) occupies 14 symbols in the time domain, that is, 1 frame (the duration is 1 ms), the NR is not limited to use RB pair transmission resources, and resources of any slot length can be selected for transmission.
  • the configuration form of the initial table of the MCS table in the network device and the user equipment in the embodiment of the present application is given.
  • the network device and the user device can communicate according to the initial form or can obtain a suitable MCS form according to the initial form.
  • the modulation mode in the embodiment of the present application is exemplarily represented by a modulation order.
  • the modulation order is 1 indicating that the modulation mode is ⁇ /2-BPSK modulation, the modulation mode is 2, the modulation mode is QPSK, the modulation order is 4, the modulation mode is ⁇ /2-16QAM modulation, and the modulation order is 6
  • the modulation mode is 64-QAM modulation, and the modulation order is 8 to indicate that the modulation mode is 256-QAM modulation.
  • the form of the coding in the MCS table is not specifically limited in the embodiment of the present application.
  • the MCS initial table includes at least K modulation mode sets, wherein the K modulation mode sets include A modulation mode sets, B modulation mode sets, and C modulation mode sets.
  • Each modulation mode set in the A modulation mode set includes only ⁇ /2-BPSK modulation
  • each modulation mode set in the B modulation mode sets includes only QPSK modulation
  • each modulation mode set in the C modulation mode sets includes ⁇ / 2-BPSK modulation and QPSK modulation.
  • A, B and C are integers, 0 ⁇ A ⁇ K, 0 ⁇ B ⁇ K, and 0 ⁇ C ⁇ K.
  • the MCS initial table may also contain other sets of modulation methods.
  • the modulation mode is represented by a modulation order
  • the coding mode is represented by a TBS index.
  • a modulation mode set with an MCS index number of 0-5 in the MCS table includes ⁇ /2-BPSK or QPSK, That is to say, the modulation mode in the six modulation mode sets can be changed.
  • the MCS index numbers corresponding to the A sets of modulation modes are 0 and 1, respectively, and the MCS index numbers corresponding to the MCS index numbers corresponding to the C modulation mode sets are respectively 2-4, and the MCS index numbers corresponding to the B modulation mode sets are 5 .
  • the form of the above form cannot be directly used, and it is necessary to determine which modulation mode is included in the C modulation mode set including ⁇ /2-BPSK modulation and QPSK modulation, as needed.
  • the TBS index in the embodiment of the present application is not incremented according to the MCS index number, and the TBS index is not a continuous index number, which is not specifically limited in this embodiment of the present application.
  • Table 4a is another MCS table. Table 4a contains several items of information such as MCS index, modulation order, code rate and spectral efficiency.
  • the code rate in Table 4a is expressed in the form of the target code rate multiplied by 1024.
  • the modulation order of the modulation mode set including ⁇ /2-BPSK and QPSK can be represented by a parameter whose value is a different value that can be configured, and different values respectively represent different modulation modes.
  • Table 4a can use q to indicate the modulation order of the modulation mode set including ⁇ /2-BPSK and QPSK.
  • q can be configured as 1 or 2, where 1 corresponds to ⁇ /2-BPSK modulation and 2 corresponds to QPSK modulation.
  • the target code rate when q is 2 is half of when q is 1.
  • the modulation order corresponding to MCS indexes 0 and 1 is q.
  • Both the network device and the user equipment can determine the value of q according to whether the user equipment supports ⁇ /2-BPSK. For example, when the user equipment supports ⁇ /2-BPSK modulation, the network device and the user equipment can determine that q is 1. That is, if the user equipment supports ⁇ /2-BPSK modulation, the network device and the user equipment may determine that q is 1; when the user equipment does not support ⁇ /2-BPSK, the network device and the user equipment may determine that q is 2. That is, if the user equipment supports ⁇ /2-BPSK modulation and reports to the base station, the modulation scheme is pi/2BPSK. Otherwise the modulation method is QPSK. In other words, if the user equipment does not support ⁇ /2-BPSK, or if the user equipment does not report whether ⁇ /2-BPSK is supported, the modulation mode is QPSK.
  • the network device determines that the modulation mode corresponding to the target index number is ⁇ /2-BPSK modulation. For example, the network device determines that the modulation order corresponding to the MCS indexes 0 and 1 is ⁇ / 2-BPSK modulation. Alternatively, if the network device determines that the user equipment does not support ⁇ /2-BPSK modulation, the network device determines that the modulation mode corresponding to the target index number is QPSK modulation, for example, the network device determines that the modulation order corresponding to the MCS indexes 0 and 1 is QPSK modulation. The network device determines whether the user equipment supports ⁇ /2-BPSK modulation by using capability information of the user equipment reported by the user equipment. The capability information of the user equipment includes information on whether the user equipment supports ⁇ /2-BPSK modulation.
  • the user equipment reports the capability information of the user equipment to the network device. If the user equipment supports ⁇ /2-BPSK modulation, the user equipment determines that the modulation mode corresponding to the target index number is ⁇ /2-BPSK modulation. For example, the user equipment determines that the modulation order corresponding to the MCS indexes 0 and 1 is ⁇ /2- BPSK modulation. Alternatively, if the user equipment does not support ⁇ /2-BPSK modulation, the user equipment determines that the modulation mode corresponding to the target index number is QPSK modulation, for example, the user equipment determines that the modulation order corresponding to MCS indexes 0 and 1 is QPSK modulation.
  • the network device does not obtain information about whether the user equipment supports ⁇ /2-BPSK modulation, the network device and the user equipment determine that the modulation mode corresponding to the target index number is a preset modulation mode, and the preset modulation mode is ⁇ /2- BPSK modulation or QPSK modulation.
  • the network device and the user equipment determine that the modulation mode corresponding to the target index number is a preset modulation mode, and the preset modulation mode is ⁇ /2-BPSK modulation. Or QPSK modulation.
  • the network device does not obtain information about whether the user equipment supports ⁇ /2-BPSK modulation, or
  • the user equipment has not reported the information to the network device, and the network device and the user equipment can determine the modulation order and the code rate corresponding to the MCS index by using a predetermined rule, that is, the MCS corresponding to the agreement.
  • the scenario for this approach is that QPSK modulation is a mandatory feature of the user equipment and pi/2 BPSK modulation is an optional feature of the user equipment.
  • the set of A modulation schemes and the set of B modulation schemes constitute a set of K modulation schemes.
  • the MCS index number corresponding to the A modulation mode set includes 0-2, and the MCS index number corresponding to the B modulation mode sets includes 3-5.
  • Table 6 is an example table of the initial table configuration form 1.
  • the MCS index numbers corresponding to the B modulation mode sets include 0-5.
  • the initial table is a table in the form of Table 6, it can also be directly applied to a communication system that currently uses an OFDM waveform.
  • the MCS initial table includes at least K sets of modulation modes, wherein the K sets of modulation modes include: a set of modulation modes and a set of B modulation modes. Each of the modulation mode sets includes only ⁇ /2-BPSK modulation, and each of the B modulation mode sets includes only QPSK modulation; the MCS initial table further includes D modulation mode sets, where Each modulation mode set in the D modulation mode set includes ⁇ /2-BPSK modulation and multiple quadrature amplitude modulation (M-QAM) modulation, and the D modulation mode sets are not the K in the initial table.
  • M-QAM quadrature amplitude modulation
  • a set of modulation modes of a set of modulation modes wherein A, B, and D are integers, M is a positive integer, 0 ⁇ A ⁇ K, 0 ⁇ B ⁇ K, and 0 ⁇ D ⁇ B.
  • the MCS initial table may also contain other sets of modulation methods.
  • the MCS index numbers include 29 and 30, where the M-QAM modulation is 256-QAM modulation.
  • the modulation mode specifically used in the D modulation mode set needs to be determined according to the actual application scenario.
  • the MCS initial table includes at least K sets of modulation modes, wherein the K sets of modulation modes include A and B sets of modulation modes.
  • Each modulation mode set in the A modulation mode set includes ⁇ /2-BPSK modulation, and each modulation mode set in the B modulation mode sets includes QPSK modulation;
  • the MCS initial table further includes E modulation mode sets, and the E modulations
  • Each modulation mode set in the mode set includes M-QAM modulation, and the M-QAM modulation in the E modulation mode set may be modified to ⁇ /2-BPSK modulation, and the E modulation mode sets are non-K modulation modes in the initial table.
  • a set of modulation modes of the set wherein A, B, and E are integers, M is a positive integer, 0 ⁇ A ⁇ K, 0 ⁇ B ⁇ K, and 0 ⁇ E ⁇ B.
  • the MCS initial table may also contain other sets of modulation methods.
  • configuration form 3 is similar to the configuration form 1, but the table of the configuration form 3 supports the modification of the modulation mode of the E modulation mode sets.
  • the MCS index number includes 3-5, and the MCS index numbers corresponding to the MCS index numbers corresponding to the E modulation mode sets include 29 and 30.
  • the coding mode and the modulation mode in the absence of the MCS table may be stored in the index numbers corresponding to the E modulation mode sets. In the row.
  • the modulation order of the MCS index of 30 may be configured to 1 (ie, the modulation mode is ⁇ /2-BPSK), and the TBS index configuration. It is 3 (that is, the encoding method corresponding to the TBS index is 3).
  • the configuration form of the above three forms of the initial table can be applied to a scenario in which the MCS table corresponding to the discrete Fourier transform orthogonal frequency division multiplexing DFT-S-OFDM waveform is used for communication.
  • the initial table includes a modulation coding mode set corresponding to the discrete Fourier transform orthogonal frequency division multiplexing DFT-S-OFDM waveform and a modulation coding mode set corresponding to the orthogonal frequency division multiplexing OFDM waveform, wherein the K OFDM waveforms correspond to
  • the modulation and coding mode may be any one of the foregoing configuration form 1, configuration form 2 or configuration form 3.
  • Table 9 is an example table of configuration form four, including an MCS index, a modulation order 1 and a modulation order 2, and a TBS index, where (modulation order 1) is a modulation mode corresponding to the OFDM waveform, (modulation order) The number 2) is a modulation scheme corresponding to the DFT-S-OFDM waveform, wherein the MCS index number corresponding to the modulation mode set including the ⁇ /2-BPSK modulation or the QPSK modulation corresponding to the modulation order 2 includes 0-5, where The form corresponding to the six modulation mode sets adopts any one of the above configuration forms.
  • a communication method provided by an embodiment of the present application is specifically described below with reference to FIG.
  • Scenario 1 The network device and the user equipment use the same rule to process through protocol agreement, or the network device configures the user equipment to use the same rule.
  • the user equipment does not need to determine the network device when determining and updating the MCS table.
  • FIG. 3 is a schematic flowchart of a communication method according to an embodiment of the present application, including steps S101-S102:
  • the network device determines, according to a correspondence between the index number and the modulation mode, a modulation mode corresponding to the target index number.
  • the mapping between the index number and the modulation mode includes: each index number corresponds to a modulation mode set, and the modulation mode set includes at least one modulation mode, where each modulation mode set in the K modulation mode sets includes ⁇ /2-BPSK Modulation or QPSK modulation, K is an integer greater than zero.
  • the network device communicates according to a modulation mode corresponding to the target index number.
  • the network device and the user equipment can communicate according to a modulation manner corresponding to the target index number.
  • the processor 201 in the computer device 200 can be used to support the network device to perform steps S101 and S102 in the embodiment of the present application.
  • the network device can flexibly select a modulation mode for communicating with the user equipment by using at least one modulation mode included in a modulation mode set.
  • step S101 before the network device performs step S101, as shown in FIG. 4, the foregoing method further includes step S103.
  • the network device determines a target MCS table.
  • the target MCS table includes a set of K modulation modes, and the target MCS table is an MCS table in which the target index number is located.
  • the network device may save the at least one MCS table.
  • the target MCS table may be saved in the network device, and the target MCS table may be determined according to other MCS tables. .
  • the target MCS table determined by the network device is configured in the same manner as the target MCS table determined by the user equipment to perform normal communication.
  • the network device may use one MCS table to perform one or more communication with one or more user equipments, and each user equipment may also perform one or more communication with different network devices according to one MCS table.
  • the embodiment does not specifically limit this.
  • the processor 201 in the computer device 200 can be used to support the network device to perform step S103 in the embodiment of the present application.
  • the network device can determine the same MCS table to use when communicating with the user device.
  • the target MCS table includes a set of K modulation modes, wherein, among the K modulation mode sets, each of the K1 modulation mode sets includes ⁇ /2-BPSK modulation, and (K-K1) modulations.
  • Each modulation mode set in the mode set includes QPSK modulation, where K1 is an integer, 0 ⁇ K1 ⁇ K, and 0 ⁇ (K-K1) ⁇ K.
  • the MCS index numbers corresponding to the K2 modulation mode sets include 4 and 5.
  • the modulation mode set corresponding to the other MCS index may be determined according to the existing modulation mode.
  • the modulation mode of the modulation mode set corresponding to other MCS index numbers is not specifically limited in this embodiment of the present application.
  • the target MCS table includes a set of K modulation modes and a set of N modulation modes.
  • Each of the N sets of modulation modes includes a multi-ary quadrature amplitude M-QAM modulation or a ⁇ /2-BPSK modulation, where N and M are positive integers.
  • the modulation mode of the N modulation mode sets is ⁇ /2-BPSK modulation, and N ⁇ M.
  • the target MCS table of the N sets of modulation modes in the foregoing method may be an initial table, or may be an MCS table determined according to the initial table, which is not specifically limited in this embodiment.
  • the target MCS table includes not only N+K modulation mode sets but also other modulation mode sets, and the modulation modes corresponding to the MCS index numbers corresponding to other modulation mode sets may refer to existing modulation modes.
  • the configuration of the application is not specifically limited in this embodiment.
  • the modulation mode and the coding mode in the two modulation mode sets in the target MCS table can be switched, for example, the table 7 is switched to the form of Table 7a, and the modulation order corresponding to the MCS index number 29 is switched to 1.
  • the coding mode is switched to 3; the modulation order corresponding to the MCS index number 30 is switched to 1, and the coding mode is switched to 4.
  • the network device can flexibly select an appropriate target MCS table from different configuration forms of the MCS table, thereby providing a basis for the network device to select a debugging mode for the user equipment and the user equipment communication.
  • the network device and the user equipment may determine the target MCS table according to multiple manners, where the target MCS table is an MCS table used by the network device to communicate with the current user equipment to select a modulation mode. .
  • FIG. 5 a schematic flowchart of a communication method provided by the embodiment of the present application, where the step S103 may specifically include the steps S103A, S103B, S103C, or S103D. .
  • the network device determines the target MCS table according to the type of the user equipment.
  • the type of the user equipment has a corresponding relationship with the target MCS table.
  • the target MCS table may be saved in the user equipment, or the target MCS table may not be saved, which is not specifically limited in this embodiment of the present application.
  • the network device may determine the type of the user equipment according to the information of the user equipment accessing the network device.
  • MCS tables may be pre-stored in the network device, and the MCS table corresponding to the user equipment type is stored in the user equipment.
  • the MCS table corresponding to the new user equipment type may be configured and stored in the network device when a new user equipment type is present, which is not specifically limited in this embodiment of the present application.
  • the network device determines the target MCS table according to the target transmission mode.
  • the target transmission mode is a frequency domain spectrum forming FDSS technology or a coverage enhancement mode, and the target transmission mode is used by the network device to indicate the user equipment.
  • At least one MCS table corresponding to the target transmission mode is saved in the user equipment.
  • the network device may determine the target MCS table corresponding to the target transmission mode.
  • the user experience is poor when the user equipment adopts the normal transmission mode, such as a weak signal area or a user equipment in a vehicle with a faster moving speed.
  • the experience of a network device can generally instruct the user equipment to change the transmission mode. For example, instruct the user device to enable FDSS technology or use coverage enhancement mode.
  • the target transmission mode is bound to different MCS tables. When the network device indicates that the user equipment uses the technologies, the network device may determine that the corresponding MCS table needs to be switched.
  • the network device determines the target MCS table according to the bandwidth range used by the user equipment.
  • the bandwidth range has a mapping relationship with the target MCS table.
  • At least one MCS table corresponding to the bandwidth range is saved in the user equipment.
  • the network device determines that the MCS table corresponding to the changed bandwidth range is the currently used MCS table.
  • the MCS table used in different bandwidth ranges is stored in the network device and the user equipment.
  • the network device and the user equipment may use the MCS corresponding to the bandwidth range.
  • the table selects the modulation mode and the coding mode, which increases the flexibility of communication and has many applicable scenarios.
  • the network device determines the target MCS table according to the frequency band used by the user equipment.
  • the frequency band has a mapping relationship with the target MCS table.
  • At least one MCS table corresponding to the frequency band is saved in the user equipment.
  • the network device and the user equipment determine the target MCS table by using the frequency band used by the user, when the frequency band of the user equipment changes, the network device determines that the MCS table corresponding to the changed frequency band is the currently used MCS table.
  • the processor 201 in the computer device 200 can be used to support the network device to perform steps S103A, S103B, S103C or S103D in the embodiment of the present application.
  • the network device can select a table of different configuration modes for communication between the network device and the user device according to different determination manners, and can provide a basis for flexible selection of a modulation mode for communication between the network device and the user equipment.
  • the network device may configure the modulation mode set in the initial table at any time before using the MCS table. Therefore, the above method further includes step S104:
  • the network device determines, according to the initial table, a modulation mode in the K modulation mode sets in the target MCS table.
  • the processor 201 in the computer device 200 can be used to support the network device to perform step S104 in the embodiment of the present application.
  • the network device can determine the specific configuration of the target MCS table, so that the network device avoids the problem of poor experience of the form not approaching the application scenario when using the target MCS table.
  • step S104 determines whether the modulation mode in the K modulation mode sets in a specific scenario.
  • step S104 may specifically include S104A:
  • the network device determines that the modulation mode of the K2 modulation mode sets in the K modulation mode sets in the target MCS table is ⁇ /2-BPSK modulation, and the modulation mode of the (K-K2) modulation mode sets in the K modulation mode sets is QPSK modulation.
  • K2 is an integer and 0 ⁇ K2 ⁇ K.
  • the network device after the network device determines the modulation mode, the network device also needs to determine the coding mode.
  • the coding mode corresponding to different modulation modes of the same MCS index number may be independently configured.
  • the code rate corresponding to the ⁇ /2-BPSK modulation may be twice the code rate corresponding to the QPSK modulation, or may be independently configured.
  • the modulation modes in the modulation mode set with MCS index numbers 2-4 are ⁇ /2-BPSK modulation and QPSK modulation. It is assumed that the network device determines that the modulation mode in the four modulation mode sets is ⁇ /2-BPSK modulation, and the modulation mode in the two modulation mode sets is configured as QPSK.
  • One configuration form is shown in Table 4a.
  • the modulation order is configured to be 2 (ie, QPSK modulation), and when the MCS index is 4, the modulation order is configured to be 1 (ie, ⁇ /2). -BPSK modulation).
  • the modulation order can be configured to 2 when the MCS index number is 2, the modulation order can be configured to 2 (QPSK modulation), and the MCS index numbers are 3 and 4. ( ⁇ /2-BPSK modulation).
  • the network device may flexibly select the configuration form of the table according to requirements, for example, selecting an MCS index number, and the configuration larger than the MCS index number is QPSK modulation, which is less than or equal to the index.
  • the configuration of the number is ⁇ /2-BPSK modulation; or, two MCS index numbers are selected, and the modulation mode set of the odd MCS index numbers between the two index numbers is configured as ⁇ /2-BPSK modulation, even MCS index number
  • the modulation mode set is configured as QPSK modulation, or the network device according to the maximum power output characteristic of the user equipment (for example, ⁇ /2-BPSK power gain relative to QPSK), frequency band, scheduling bandwidth, terminal type, transmission mode, or UE uploaded parameters.
  • the configuration of the modulation mode in the K modulation mode set and the reference conditions of the configuration are not specifically limited.
  • the processor 201 in the computer device 200 can be used to support the network device to perform step S104A in the embodiment of the present application.
  • the communication method provided by the embodiment of the present application provides a basis for flexible communication between the network device and the user equipment by flexibly configuring the indeterminate modulation mode in the initial table to the determined modulation mode.
  • step S104 may specifically include step S104B:
  • S104B The network device determines that a modulation mode of the K2 modulation mode sets in the K modulation mode sets in the target MCS table is ⁇ /2-BPSK modulation.
  • step S104B may be performed to configure the QPSK in the K modulation mode sets to be better. ⁇ /2-BPSK modulation.
  • the network device may configure the modulation mode of all the modulation modes in the K modulation mode set to be ⁇ /2-BPSK modulation, or configure the modulation mode of the partial modulation mode set to be ⁇ /2-BPSK modulation.
  • the embodiment does not specifically limit this.
  • the initial table may be saved in the network device. After the modulation mode of the initial table is configured, the initial table is not covered, and the network device may be configured according to different user equipments. Configure different modulation methods.
  • the user equipment may still invent data to the network device by using the initial table, and the network device may parse according to the initial table. At this time, the network device may send the indication information to the user equipment to indicate the user equipment. Communicate with network devices based on the new MCS form.
  • the processor 201 in the computer device 200 can be used to support the network device to perform step S104B in the embodiment of the present application.
  • the network device determines that the waveform used by the user equipment is a DFT-S-OFDM waveform
  • the initial table is an MCS table corresponding to the OFDM waveform
  • the MCS table corresponding to the OFDM waveform may be used.
  • the QPSK modulation configuration is ⁇ /2-BPSK modulation, and the table corresponding to the DFT-S-OFDM waveform provided by the embodiment of the present application is obtained, which can provide a basis for flexible selection of modulation modes for communication between the network device and the user equipment.
  • the foregoing method further includes step S105:
  • the network device updates a modulation mode in the K modulation mode sets in the target MCS table.
  • the network device may select, according to which one of the ⁇ /2-BPSK modulation and the QPSK, the modulation mode in the K modulation mode set is updated.
  • the processor 201 in the computer device 200 can be used to support the network device to perform step S105 in the embodiment of the present application.
  • the network device can update the modulation mode in the target MCS table, and can be flexibly updated according to the application scenario, so that the network device and the user equipment communicate flexibly to select a modulation mode.
  • step S105 the foregoing method further includes step S106, where S105 is specifically 105A:
  • the network device determines a value of the target parameter or a target preset correspondence.
  • the target parameter includes a maximum output power gain, a carrier frequency range or a bandwidth range
  • the target preset correspondence relationship includes a preset correspondence relationship between the value of the target parameter and the modulation mode in the K modulation mode sets.
  • the network device updates the modulation mode in the K modulation mode sets in the target MCS table according to the target parameter or the target preset correspondence.
  • the network device may also update the modulation mode in the K modulation mode set according to the frequency band used by the user equipment. This embodiment of the present application does not specifically limit this.
  • different parameter values and modulation modes in combination of K modulation modes may be configured in different forms.
  • the MCS index number is 1-3.
  • the corresponding coding mode adopts a modulation mode of ⁇ /2-BPSK modulation effect.
  • the modulation mode is ⁇ /2-BPSK.
  • the modulation effect is better.
  • the modulation mode with the MCS index number 4 can be changed to ⁇ /2-BPSK.
  • the processor 201 in the computer device 200 can be used to support the network device to perform steps S106 and S105A in the embodiment of the present application.
  • the network device can update the target MCS table according to the target parameter or the target preset correspondence.
  • the user equipment may perform the communication method in the embodiment of the present application by referring to the step of the network device, where the user equipment and the network device use the same protocol to determine the MCS table and Update the MCS form.
  • FIG. 6 is a schematic flowchart of a communication method according to an embodiment of the present application, including steps S201-S202:
  • the user equipment determines a modulation mode corresponding to the target index number according to the correspondence between the index number and the modulation mode.
  • the user equipment communicates according to a modulation mode corresponding to the target index number.
  • the user equipment and the network equipment can communicate according to the modulation mode corresponding to the target index number.
  • the processor 201 in the computer device 200 can be used to support the user equipment to perform steps S201-S202 in the embodiment of the present application.
  • the user equipment can flexibly select a modulation mode for communicating with the network device by using at least one modulation mode included in a modulation mode set.
  • the foregoing communication method further includes step S203:
  • the user equipment determines a target MCS table.
  • At least one MCS table may be saved in the user equipment.
  • the target MCS table may be saved in the user equipment, and the target MCS table may be determined according to other MCS tables. limited.
  • the processor 201 in the computer device 200 can be used to support the user equipment to perform step S203 in the embodiment of the present application.
  • the user equipment can determine the same MCS table to use when communicating with the network device.
  • step S203 may specifically include steps S203A, S203B, S203C, or S203D.
  • the user equipment determines the target MCS table according to the type of the user equipment.
  • the user equipment determines the target MCS table according to the target transmission mode.
  • the user equipment can directly communicate with the network device by using an MCS table corresponding to the target transmission mode.
  • S203C The user equipment determines the target MCS table according to the bandwidth range used by the user equipment.
  • the user equipment may directly determine, according to the current bandwidth range, the MCS table corresponding to the current bandwidth range.
  • Target MCS form.
  • S203D The user equipment determines the target MCS table according to the frequency band used by the user equipment.
  • the processor 201 in the computer device 200 can be used to support the user equipment to perform steps S203A, S203B, S203C or S203D in the embodiment of the present application.
  • step S204 is further included:
  • the user equipment determines, according to the initial table, a modulation mode in the K modulation mode sets in the target MCS table.
  • the processor 201 in the computer device 200 can be used to support the user equipment to perform step S204 in the embodiment of the present application.
  • the user equipment can determine the specific configuration of the target MCS table, so that the user equipment avoids the problem of poor experience of the form not approaching the application scenario when using the target MCS table.
  • step S204 it should be noted that not all the initial tables in the embodiment of the present application need to perform the foregoing step S204, and it is necessary to determine the modulation mode in the K modulation mode sets only in a specific scenario.
  • the scenario in which step S204 needs to be performed will be specifically described below.
  • step S204 may specifically include S204A:
  • the user equipment determines that the modulation mode of the K2 modulation mode sets in the K modulation mode sets in the target MCS table is ⁇ /2-BPSK modulation, and the modulation mode of the (K-K2) modulation mode sets in the K modulation mode sets is QPSK modulation, where K2 is an integer and 0 ⁇ K2 ⁇ K.
  • the processor 201 in the computer device 200 can be used to support the user equipment to perform step S204A in the embodiment of the present application.
  • step S204 specifically includes S204B:
  • S204B The user equipment determines that a modulation mode of the K2 modulation mode sets in the K modulation mode sets in the target MCS table is ⁇ /2-BPSK modulation, where 0 ⁇ K2 ⁇ K.
  • the processor 201 in the computer device 200 can be used to support the user equipment to perform step S204B in the embodiment of the present application.
  • the user equipment may also include step S205 when it is determined that the used table is not suitable, for example, when the configuration in the current table cannot be reasonably communicated;
  • the user equipment updates a modulation mode in the K modulation mode sets in the target MCS table.
  • the processor 201 in the computer device 200 can be used to support the user equipment to perform step S205 in the embodiment of the present application.
  • the modulation mode in the MCS table By updating the modulation mode in the MCS table, it can be flexibly updated according to the application scenario, thereby enabling the user equipment and the network device to flexibly select the modulation mode.
  • step S206 Before the update, the above method further includes step S206, and step S205 includes S205A:
  • the user equipment determines a value of the target parameter or a target preset correspondence.
  • the target parameter includes a maximum output power gain, a carrier frequency range or a bandwidth range
  • the target preset correspondence relationship includes a preset correspondence relationship between the value of the target parameter and the modulation mode in the K modulation mode sets.
  • S205A The user equipment updates the modulation mode in the K modulation mode sets in the target MCS table according to the target parameter or the target preset correspondence.
  • the processor 201 in the computer device 200 can be used to support the user equipment to perform steps S206 and S205A in the embodiment of the present application.
  • the user equipment when the user equipment and the network device adopt the same protocol, the user equipment can flexibly select an MCS table suitable for the user equipment when using the target MCS table, and communicate with the network device for the user equipment.
  • the flexibility to choose the modulation method provides the basis.
  • Embodiment 2 The user equipment cannot directly configure the MCS table or update the MCS table, and the configuration and update of the MCS table on the user equipment side requires the network device to determine.
  • FIG. 7 is a schematic diagram of interaction of a communication method according to an embodiment of the present application, including steps S301-S304:
  • the network device determines, according to a correspondence between the index number and the modulation mode, a modulation mode corresponding to the target index number.
  • the network device communicates according to a modulation mode corresponding to the target index number.
  • the user equipment determines a modulation mode corresponding to the target index number according to the correspondence between the index number and the modulation mode.
  • the user equipment communicates according to a modulation mode corresponding to the target index number.
  • the processor 201 in the computer device 200 can be used to support the network device to perform steps S301 and S302 in the embodiment of the present application; the processor 201 can also be used to support the user equipment to perform step S303 in the embodiment of the present application. And S304.
  • step S301 the foregoing method further includes step S305; before S303, the foregoing communication method further includes S306:
  • the network device determines a target MCS table.
  • the user equipment determines a target MCS table.
  • the processor 201 in the computer device 200 can be used to support the network device to perform step S305 in the embodiment of the present application; the processor 201 can also be used to support the user device to perform step S306 in the embodiment of the present application.
  • the network device may select a suitable MCS table for the network device and the user equipment according to at least one rule.
  • Step S305 may specifically be S305A, S305B, S305C or S305D.
  • S305A reference may be made to S103A in the foregoing Embodiment 1
  • S305B may refer to S103B in Embodiment 1 above
  • S305C may refer to S103C in Embodiment 1 above
  • S305D may refer to S103D in Embodiment 1 above.
  • the network device may further determine the target MCS table according to other conditions.
  • Step S305 in the foregoing method further includes step S305E.
  • the S305E and the network device specify an MCS table as the target MCS table.
  • the network device may determine that a target MCS table is sent to the network device.
  • the processor 201 in the computer device 200 can be used to support the network device to perform steps S305A, S305B, S305C, S305D or S305E in the embodiment of the present application.
  • step S306 may specifically include S306B1, S306B2, S306B3, or S306B4.
  • S306B1 can refer to S203A
  • S306B2 can refer to S203B
  • S306B3 can refer to S203C
  • S306B4 can refer to S203D.
  • the processor 201 in the computer device 200 can be used to support the user equipment to perform steps S306B1, S306B2, S306B3 or S306B4 in the embodiment of the present application.
  • the user equipment sends the user equipment to determine the target MCS form to the network device.
  • the method further includes a step S307, and the step S305 may further include steps S305F1 and S305F2:
  • the user equipment sends the first MCS table to the network device.
  • the first MCS table is a target MCS table determined by the user equipment.
  • S305F1 The network device receives the first MCS table sent by the user equipment.
  • the network device determines the target MCS table according to the first MCS table.
  • the network device may directly determine that the first MCS table is the target MCS table, and may also determine a new MCS table as the target MCS table according to the first MCS table, which is not specifically limited in this embodiment of the present application.
  • the processor 201 in the computer device 200 can be used to support the user equipment to perform step S307 in the embodiment of the present application; the processor 201 can be used to support the network device to perform steps S305F1 and S305F2 in the embodiment of the present application.
  • step S308 includes steps S306A1-S306A2:
  • the network device sends the indication information of the target MCS table to the user equipment.
  • the indication information of the target MCS table is used to indicate information of the target MCS table.
  • the network device may send the information of the determined target MCS table to the user equipment after determining the target MCS table; on the other hand, the user equipment may send the determination to the network device after determining the target MCS table.
  • the information of the target MCS table is good; the network device or the user equipment does not specifically limit the indication information of whether to send the target MCS table after determining the target MCS table.
  • the network device needs to determine whether the first MCS table is a target MCS table that can be used by the network device and the user equipment.
  • the indication information of the target MCS table sent by the network device to the user equipment is used to indicate that the user equipment uses the first MCS table as the target MCS table.
  • the network device may re-determine an MCS table suitable for communication between the network device and the user equipment as the target MCS table according to S305A, S305B or S305C, and the target that the network device sends to the user equipment.
  • the indication information of the MCS table carries the MCS table re-instructed by the network device.
  • the processor 201 in the computer device 200 can be used to support the user equipment to perform step S308 in the embodiment of the present application.
  • the network device when the network device determines that the target MCS table determined by the user equipment cannot be adapted to the current scenario, the network device may send the indication information of the target MCS table to the user equipment, so that the user equipment determines the target MCS table according to the network device side.
  • the modulation method can be flexibly selected when communicating with network devices.
  • the indication information of the target MCS table is that the network device passes downlink control information (DCI), radio resource control (RRC), or media access control (MAC). Control elements (CE) are sent to the user equipment.
  • DCI downlink control information
  • RRC radio resource control
  • MAC media access control
  • CE Control elements
  • S306A1 The user equipment receives the indication information of the target MCS table sent by the network device.
  • S306A2 The user equipment determines the target MCS table according to the indication information of the target MCS table.
  • the processor 201 in the computer device 200 can be used to support the user equipment to perform step S306A1 in the embodiment of the present application; the processor 201 can be used to support the user equipment to perform step S306A2 in the embodiment of the present application.
  • the above communication method further includes step S309; or before S306, the communication method includes the step S310:
  • the network device determines, according to the initial table, a modulation mode in the K modulation mode sets in the target MCS table.
  • the network device determines, according to the initial table, a modulation manner in the K modulation mode sets in the target MCS table, and may refer to step S104A or S104B in Embodiment 1.
  • the user equipment determines, according to the initial table, a modulation mode in the K modulation mode sets in the target MCS table.
  • the user equipment determines, according to the initial table, a modulation manner in the K modulation mode sets in the target MCS table, and may refer to step S204A or S204B in Embodiment 1.
  • the configuration of the initial table of the network device and the user equipment may refer to the configuration manner of the initial table described above, which is not specifically limited in this embodiment of the present application.
  • the processor 201 in the computer device 200 can be used to support the network device to perform step S309 in the embodiment of the present application; the processor 201 can also be used to support the user equipment to perform step S310 in the embodiment of the present application.
  • the network device determines a modulation mode in the K modulation mode sets in the target MCS table, and the network device sends the modulation mode to the user equipment.
  • Configuration information where the configuration information of the modulation mode is used to indicate a modulation mode in the K modulation mode sets in the target MCS table determined by the network device, after the user equipment receives the configuration information of the modulation mode sent by the network device, the user The device determines, according to the configuration information of the modulation mode, a modulation mode in the K modulation mode sets in the target MCS table in the user equipment.
  • the user equipment determines the modulation mode in the K modulation mode sets in the target MCS table, the user equipment cannot directly use the user equipment.
  • the user equipment sends configuration information of the modulation mode to the network device.
  • the configuration information of the modulation mode is used to indicate a modulation mode in the K modulation mode sets in the target MCS table determined by the user equipment.
  • the network device determines the configuration indication according to the configuration information of the modulation mode.
  • the network device sends a determination configuration indication to the user equipment.
  • the user equipment receives the determined configuration indication sent by the network device.
  • the user equipment determines that the user equipment configures a modulation scheme in the K modulation mode sets.
  • the modulation mode corresponding to the partial MCS index number in the table may be uncertain, for example, when there are two modulation mode sets in the initial MCS table, Modulation mode, when user equipment and network equipment use such a table, it is impossible to determine which modulation method to use. Therefore, when there is an initial table in the device, the corresponding modulation method needs to be configured.
  • the user equipment cannot directly use the configuration of the user equipment, and the configuration of the user equipment is required to use the configuration of the user equipment.
  • the foregoing communication method further includes updating a modulation mode in the K modulation mode sets in the target MCS table, including steps S311 and S312:
  • the network device updates a modulation mode in the K modulation mode sets in the target MCS table.
  • the user equipment updates a modulation mode in the K modulation mode sets in the target MCS table.
  • the processor 201 in the computer device 200 can be used to support the network device to perform step S311 in the embodiment of the present application; the processor 201 can also be used to support the user equipment to perform step S312 in the embodiment of the present application.
  • the method further includes the steps S313-S314, and the step S312 is specifically S312A:
  • the network device sends update indication information to the user equipment.
  • the update indication information is used to indicate that the user equipment updates the modulation mode in the K modulation mode sets in the target MCS table.
  • the update indication information is sent by the network device to the user equipment by using a DCI, an RRC, or a MAC CE.
  • the processor 201 in the computer device 200 can be used to support the network device to perform step S313 in the embodiment of the present application.
  • the user equipment receives the update indication information sent by the network device.
  • S312A The user equipment updates the modulation mode in the K modulation mode sets in the target MCS table according to the update indication information.
  • the processor 201 in the computer device 200 can be used to support the network device to perform step S314 in the embodiment of the present application; the processor 201 can also be used to support the user equipment to perform step S312 in the embodiment of the present application.
  • the user equipment may also send update indication information to the network device, where the update indication information is used to indicate information about a modulation mode in the K modulation mode sets in the target MCS table that is updated by the user equipment.
  • the network device updates the modulation mode in the K modulation mode sets in the target MCS table according to the update indication information sent by the user equipment.
  • the foregoing communication method further includes the steps S315 and S311, which may be specifically S311A:
  • the network device determines a value of the target parameter or a target preset correspondence.
  • the value of the target parameter or the target preset correspondence may be directly determined by the network device, or may be uploaded by the user equipment, which is not specifically limited in this embodiment of the present application.
  • the network device updates the modulation mode in the K modulation mode sets in the target MCS table according to the target parameter or the target preset correspondence.
  • the processor 201 in the computer device 200 can be used to support the network device to perform step S315 and step S311A in the embodiment of the present application.
  • the foregoing communication method further includes step S316, and step S312 may specifically be S312B.
  • the user equipment determines a value of the target parameter or a target preset correspondence.
  • S312B The user equipment updates the modulation mode in the K modulation mode sets in the target MCS table according to the target parameter or the target preset correspondence.
  • the processor 201 in the computer device 200 can be used to support the user equipment to perform step S316 and step S312B in the embodiment of the present application.
  • the foregoing communication method may further include S317 before S312, and step S315 is specifically S315A-S315B:
  • the user equipment sends configuration information of the target parameter to the network device.
  • the configuration information of the target parameter includes: a maximum output power gain, a carrier frequency range, a bandwidth range, and/or a correspondence determined by the user equipment.
  • the configuration information of the target parameter is sent by the user equipment to the network device by using an RRC or a MAC CE.
  • the corresponding relationship determined by the user equipment may be a preset correspondence relationship determined by the user equipment, or may be a modulation mode in the K modulation mode set determined by the user according to the user equipment, which is not specifically limited in this embodiment of the present application. .
  • the processor 201 in the computer device 200 can be used to support the user equipment to perform step S317 in the embodiment of the present application.
  • the configuration information of the target parameter is sent by the user equipment to the network device by using an RRC or a MAC CE.
  • S315A The network device receives configuration information that the user equipment sends the target parameter.
  • S315B The network device determines a value of the target parameter or a target preset correspondence according to the configuration information of the target parameter.
  • the processor 201 in the computer device 200 can be used to support the network device to perform steps S315A and S315B in the embodiment of the present application.
  • step S312 may specifically include S312C1-S312C2:
  • the network device sends the confirmation configuration information of the target parameter to the user equipment.
  • the confirmation configuration information of the target parameter is determined by the network device according to configuration information of the target parameter sent by the user equipment.
  • S312C1 The user equipment receives confirmation configuration information of the target parameter sent by the network device.
  • S312C2 The user equipment updates the modulation mode in the K modulation mode sets in the target MCS table according to the confirmation configuration information of the target parameter.
  • the configuration information of the target parameter sent by the network device may not carry the re-instructed MCS table.
  • the user equipment does not update the user equipment.
  • the MCS form uses the original MCS form in the user device.
  • the network device may perform the foregoing method on a single user equipment, a group of user equipments, or all the user equipments in the cell, which is not specifically limited in this embodiment of the present application.
  • the processor 201 in the computer device 200 can be used to support the network device to perform step S318 in the embodiment of the present application; the processor 201 can also be used to support the user equipment to perform steps S312C1 and S312C2 in the embodiment of the present application. .
  • the network device and the user equipment need to determine a target MCS table suitable for the current usage scenario before the communication is performed through the MCS table, and the network device or the user equipment can flexibly determine the target MCS table in multiple manners. And update the MCS form to provide a basis for flexible communication between network devices and user devices.
  • the solution provided by the embodiment of the present application is mainly introduced from the perspective of the network device and the user equipment.
  • the foregoing network device and user equipment include corresponding hardware structures and/or software modules for performing the respective functions in order to implement the above functions.
  • the present application can be implemented in a combination of hardware or hardware and computer software in combination with the elements and algorithm steps of the various examples described in the embodiments disclosed herein. Whether a function is implemented in hardware or computer software to drive hardware depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods to implement the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present application.
  • the embodiments of the present application may divide the function modules of the network device and the user equipment according to the foregoing method example.
  • each function module may be divided according to each function, or two or more functions may be integrated into one processing module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules. It should be noted that the division of the module in the embodiment of the present application is schematic, and is only a logical function division, and the actual implementation may have another division manner.
  • FIG. 8 shows a possible structural diagram of the network device involved in the above embodiment.
  • network device 800 includes a processing module 801 and a communication module 802.
  • the processing module 801 is configured to support the network device 800 to perform steps S101, S103, S103A, S103B, S103C, S103D, S104, S104A, S105, S105A, and S106 in the foregoing method embodiment;
  • the communication module 802 is configured to support the network device 800. Step S102 in the above method embodiment is performed.
  • the processing module 801 is further configured to support the network device 800 to perform steps S301, S305, S305A, S305B, S305C, S305D, S305E, S305F1, S305F2, S309, S311 and S311A, S315, S315A and the foregoing method embodiments.
  • the communication module 802 is further configured to support the network device 800 to perform steps S302, S308, S313, and S318 in the foregoing method embodiments. All the related content of the steps involved in the foregoing method embodiments may be referred to the functional descriptions of the corresponding functional modules, and details are not described herein again.
  • FIG. 9 shows a possible structural diagram of the user equipment involved in the above embodiment.
  • the user equipment 900 includes a processing module 901 and a communication module 902.
  • the processing module 901 is configured to support the user equipment 900 to perform steps S201, S203, S203A, S203B, S203C, S203D, S204, S204A, S204B, S205, S205A, and S206 in the foregoing method embodiment;
  • the communication module 902 is configured to support the user.
  • the device 900 performs step S202 in the above method embodiment.
  • the processing module 901 is further configured to support the user equipment 900 to perform steps S303, S306, S306B1, S306B2, S306B3, S306B4, S306A1, S306A2, S310, S312, S312A, S312B, S312C1, S312C2, and S316 in the foregoing method embodiments;
  • the communication module 902 is further configured to support the user equipment 900 to perform steps S304, S307, S314, and S317 in the foregoing method embodiments. All the related content of the steps involved in the foregoing method embodiments may be referred to the functional descriptions of the corresponding functional modules, and details are not described herein again.
  • the application provides a network device.
  • the network device may be a network device in the above method design, or a chip disposed in the network device.
  • the network device includes a memory for storing computer executable program code, a communication interface, and a processor coupled to the memory and the communication interface.
  • the program code stored in the memory includes instructions that, when executed by the processor, cause the network device to perform the communication method performed by the network device in any of the possible designs described above.
  • the application provides a user equipment.
  • the user equipment may be a user equipment in the above method design, or a chip disposed in the user equipment.
  • the means for transmitting a signal includes: a memory for storing computer executable program code; a communication interface; and a processor coupled to the memory and the communication interface.
  • the program code stored in the memory includes instructions that, when executed by the processor, cause the user equipment to perform the communication method performed by the user equipment in any of the possible designs described above.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • a software program it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present application are generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transmission to another website site, computer, server or data center via wired (eg coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (eg infrared, wireless, microwave, etc.).
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device that includes one or more servers, data centers, etc. that can be integrated with the media.
  • the usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a digital video disk (DVD)), or a semiconductor medium (such as a solid state disk (SSD)). Wait.
  • a magnetic medium eg, a floppy disk, a hard disk, a magnetic tape
  • an optical medium eg, a digital video disk (DVD)
  • DVD digital video disk
  • SSD solid state disk

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Abstract

Les modes de réalisation de la présente invention concernent un procédé et un dispositif de communication, qui résolvent le problème existant dans nouvelle radio (NR) de l'incapacité d'un dispositif de réseau à sélectionner de manière flexible un mode de modulation. Le procédé consiste : à déterminer, par un premier dispositif de communication, un mode de modulation correspondant à un nombre indice cible en fonction d'une relation de correspondance entre des nombres indice et des modes de modulation, la correspondance entre les nombres indice et les modes de modulation comprenant chaque nombre indice correspondant à un ensemble de modes de modulation, l'ensemble de modes de modulation comprenant au moins un mode de modulation, chaque ensemble de modes de modulation de K ensembles de modes de modulation comprenant une modulation binaire par déplacement de phase π/2 (π/2-BPSK) ou une modulation par déplacement de phase en quadrature (QPSK), K étant un nombre entier supérieur à zéro, et chaque ensemble de modes de modulation de C ensembles de modes de modulation dans les K ensembles de modes de modulation comprenant une modulation QPSK/2-BPSK et une modulation QPSK, C étant un nombre entier supérieur à zéro et inférieur ou égal à K ; et à communiquer, par le premier dispositif de communication, selon le mode de modulation correspondant au nombre indice cible.
PCT/CN2018/109812 2017-10-11 2018-10-11 Procédé et dispositif de communication WO2019072206A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP20212376.6A EP3860011A1 (fr) 2017-10-11 2018-10-11 Procédé de communication et appareil de selection d'un schema de modulation et de codage
BR112019022843-8A BR112019022843A2 (pt) 2017-10-11 2018-10-11 Método de comunicação e aparelho
PL18866157T PL3605985T3 (pl) 2017-10-11 2018-10-11 Sposób i urządzenie do określania schematu modulacji i kodowania
EP18866157.3A EP3605985B1 (fr) 2017-10-11 2018-10-11 Procédé et dispositif de determination d'un schema de modulation et de codage
ES18866157T ES2862384T3 (es) 2017-10-11 2018-10-11 Método y dispositivo para determinar un esquema de modulación y codificación
US16/556,946 US10721111B2 (en) 2017-10-11 2019-08-30 Communication method and apparatus
US16/863,573 US11716234B2 (en) 2017-10-11 2020-04-30 Communication method and apparatus

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CN201710943156.7 2017-10-11
CN201710943156 2017-10-11
CN201810150923.3 2018-02-13
CN201810150923.3A CN109660479A (zh) 2017-10-11 2018-02-13 一种通信方法及装置

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