CN114557080A - Communication method and device - Google Patents

Communication method and device Download PDF

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Publication number
CN114557080A
CN114557080A CN201980101435.6A CN201980101435A CN114557080A CN 114557080 A CN114557080 A CN 114557080A CN 201980101435 A CN201980101435 A CN 201980101435A CN 114557080 A CN114557080 A CN 114557080A
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CN
China
Prior art keywords
transmission resource
information
control information
data
time domain
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Pending
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CN201980101435.6A
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Chinese (zh)
Inventor
郭文婷
苏宏家
卢磊
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN114557080A publication Critical patent/CN114557080A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The application provides a communication method and device, which can be applied to the fields of V2X, Internet of vehicles, intelligent Internet of vehicles, auxiliary driving, intelligent driving and the like. The method comprises the following steps: the first terminal device may determine the first part and the second part of the data according to the first symbol and/or the first transmission resource for mapping the first control information, determine that the multiplexing order of the first part of the data in the first information is located before the second control information and the second part of the data, and then perform modulation coding, layer mapping, MIMO coding and resource mapping uniformly on the first information as a whole according to the time domain precedence order, and map the first information to the transmission resources except the first transmission resource in the scheduling unit.

Description

PCT国内申请，说明书已公开。PCT domestic application, the description has been published.

Claims (20)

  1. A method of communication, the method comprising:
    the first terminal equipment determines first control information, and the first control information is mapped on a first transmission resource in a scheduling unit;
    the first terminal equipment determines first information according to the first transmission resource and/or a first symbol, wherein the first information comprises second control information, a first part and a second part of data, and the multiplexing sequence of the first part of the data in the first information is before the second part of the data and the second control information;
    the first terminal equipment maps the first information to transmission resources except the first transmission resources in the scheduling unit;
    and the first terminal equipment sends the first control information and the first information to second terminal equipment.
  2. The communication method of claim 1, wherein the method further comprises:
    the first terminal equipment determines a second transmission resource, and the first part of the data is data which can be mapped on the second transmission resource;
    the second transmission resource comprises at least one of:
    a transmission resource on the first symbol on a first layer in the scheduling unit;
    a transmission resource on a first layer in the scheduling unit, the transmission resource overlapping with the first transmission resource in a time domain and not overlapping with the first transmission resource in a frequency domain;
    or,
    the second transmission resource is located on a first symbol on a first layer in the scheduling unit, and the second transmission resource overlaps with the first transmission resource in a time domain and does not overlap with the first transmission resource in a frequency domain.
  3. The communication method according to claim 2, wherein the second transmission resource is non-overlapping in time domain with a transmission resource on a time domain symbol of the scheduling unit on which a demodulation reference signal (DMRS) is mapped.
  4. A method according to any one of claims 1 to 3, wherein the multiplexing order of the second control information in the first information precedes the second part of the data.
  5. The communication method according to claim 4, wherein when a first condition is satisfied, the multiplexing order of the second control information in the first information precedes the second part of the data;
    wherein the first condition is one of:
    not power boosting the first control information;
    performing power enhancement on the first control information, and not performing power enhancement on a demodulation reference signal (DMRS);
    and performing power enhancement on the first control information and the demodulation reference signal DMRS, and not mapping data on a time domain symbol for mapping the DMRS.
  6. A method of communicating according to claim 2 or 3, the method further comprising:
    the first terminal equipment determines to perform power enhancement on the first control information and a demodulation reference signal (DMRS), and maps data on a time domain symbol for mapping the DMRS;
    the first terminal equipment determines a time domain symbol of a third transmission resource for mapping DMRS, wherein the third transmission resource is not overlapped with the first transmission resource and the second transmission resource on a first layer in the scheduling unit in a time domain;
    and the first terminal equipment determines the multiplexing sequence of the second control information and the second part of the data in the first information according to the time domain symbol mapped with the DMRS in the third transmission resource.
  7. The communication method according to any of claims 1 to 6, wherein the first symbol is used for automatic gain control, AGC.
  8. The communication method according to any of claims 1 to 7, wherein the mapping of the first information to the transmission resources other than the first transmission resource in the scheduling unit by the first terminal device comprises:
    and the first terminal equipment maps the first information to the transmission resources except the first transmission resource in the scheduling unit according to the sequence of the frequency domain first and the time domain second.
  9. [ correction 13.11.2019 based on rules 91]
    A communications apparatus, the apparatus comprising: the device comprises a processing module and a transmitting-receiving module; wherein,
    the processing module is configured to determine first control information, where the first control information is mapped to a first transmission resource in a scheduling unit;
    the processing module is further configured to determine first information according to the first transmission resource and/or the first symbol, where the first information includes second control information, a first part and a second part of data, and a multiplexing order of the first part of data in the first information is before the second part of data and the second control information;
    the processing module is further configured to map the first information to transmission resources other than the first transmission resource in the scheduling unit;
    the transceiver module is configured to send the first control information and the first information to a second terminal device.
  10. The communication device of claim 9,
    the processing module is further configured to determine a second transmission resource, where the first part of the data is data that can be mapped on the second transmission resource;
    wherein the second transmission resource comprises at least one of:
    a transmission resource on the first symbol on a first layer in the scheduling unit;
    transmission resources on a first layer in the scheduling unit that overlap with the first transmission resources in a time domain and do not overlap in a frequency domain;
    or, the second transmission resource is located on a first symbol on a first layer in the scheduling unit, and the second transmission resource overlaps with the first transmission resource in a time domain and does not overlap with the first transmission resource in a frequency domain.
  11. The communication apparatus according to claim 10, wherein the second transmission resource is non-overlapping in time domain with a transmission resource on a time domain symbol of the scheduling unit on which a demodulation reference signal (DMRS) is mapped.
  12. A communication apparatus according to any of claims 9 to 11, wherein the multiplexing order of the second control information in the first information precedes the second part of the data.
  13. The apparatus according to claim 12, wherein when a first condition is satisfied, the multiplexing order of the second control information in the first information precedes the second portion of the data;
    wherein the first condition is one of:
    not power boosting the first control information;
    performing power enhancement on the first control information, and not performing power enhancement on a demodulation reference signal (DMRS);
    and performing power enhancement on the first control information and the demodulation reference signal DMRS, and not mapping data on a time domain symbol for mapping the DMRS.
  14. The communication device according to claim 10 or 11,
    the processing module is further configured to determine to perform power enhancement on the first control information and the demodulation reference signal DMRS, and map data on a time domain symbol on which the DMRS is mapped;
    the processing module is further configured to determine a time domain symbol, in which a DMRS is mapped, in a third transmission resource, where the third transmission resource is not overlapped with the first transmission resource and the second transmission resource in a first layer of time domain in the scheduling unit;
    the processing module is further configured to determine, according to the time domain symbol mapped with the DMRS in the third transmission resource, a multiplexing order of the second control information and the second portion of the data in the first information.
  15. A communication apparatus according to any of claims 9 to 14, wherein the first symbol is used for automatic gain control, AGC.
  16. The communication device according to any one of claims 9 to 15,
    the processing module is further configured to map the first information to transmission resources, other than the first transmission resource, in the scheduling unit according to a sequence of a frequency domain first and a time domain second.
  17. A communication device configured to perform the method of any one of claims 1 to 8.
  18. A communications apparatus, the apparatus comprising: a processor coupled with a memory;
    the memory for storing a computer program;
    the processor to execute the computer program stored in the memory to cause the apparatus to perform the method of any of claims 1 to 8.
  19. A computer-readable storage medium, characterized in that it comprises a program or instructions which, when run on a computer, cause the computer to carry out the method according to any one of claims 1 to 8.
  20. A computer program product, the computer program product comprising: computer program code which, when run on a computer, causes the computer to perform the method of any of claims 1 to 8.
CN201980101435.6A 2019-11-08 2019-11-08 Communication method and device Pending CN114557080A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/116892 WO2021088091A1 (en) 2019-11-08 2019-11-08 Communication method and apparatus

Publications (1)

Publication Number Publication Date
CN114557080A true CN114557080A (en) 2022-05-27

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CN (1) CN114557080A (en)
WO (1) WO2021088091A1 (en)

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WO2024254745A1 (en) * 2023-06-12 2024-12-19 华为技术有限公司 Communication method and apparatus, chip system, storage medium, and computer program product

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CN117750397A (en) * 2022-09-21 2024-03-22 华为技术有限公司 Communication method, device, storage medium and chip system

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