Communication method and apparatus

Patent metadata

Field	Value
Publication number	US-2022015085-A1
Application number	US-202117486621-A
Country	US
Kind code	A1
Filing date	Sep 27, 2021
Priority date	Mar 28, 2019
Publication date	Jan 13, 2022
Grant date	—

Abstract

This application discloses a communication method and an apparatus, and relates to the communication field, so that a network device and a terminal device determine a mapping relationship between spatial correlation parameters and transport blocks when the transport blocks are repeatedly sent. The communication method includes: receiving first indication information, where the first indication information is used to indicate K spatial correlation parameters for receiving a transport block carried on N resources, K and N are integers greater than 1, and K≤N; determining a mapping relationship between the K spatial correlation parameters and the N resources; and receiving the transport block on the N resources based on the mapping relationship.

First claim

1 . A communication method, comprising:
receiving first indication information, wherein the first indication information is used to indicate K spatial correlation parameters for receiving a transport block carried on N resources, K and N are integers greater than 1, and K≤N; determining a mapping relationship between the K spatial correlation parameters and the N resources; and receiving the transport block on the N resources based on the mapping relationship.

2 . The method according to claim 1 , wherein the determining the mapping relationship between the K spatial correlation parameters and the N resources comprises:
determining the mapping relationship between the K spatial correlation parameters and the N resources based on a multiplexing manner of the N resources, wherein the multiplexing manner comprises at least one of space division multiplexing, time division multiplexing, or frequency division multiplexing.

3 . The method according to claim 2 , wherein:
one multiplexing manner is used for the N resources, and the N resources comprise K groups of resources; and the mapping relationship between the K spatial correlation parameters and the N resources comprises: the K spatial correlation parameters arranged in a first order are sequentially mapped to the K groups of resources arranged in an order corresponding to the multiplexing manner.

4 . The method according to claim 1 , wherein the mapping relationship between the K spatial correlation parameters and the N resources comprises:
the K spatial correlation parameters arranged in a first order are sequentially mapped to the N resources.

5 . The method according to claim 1 , wherein the mapping relationship between the K spatial correlation parameters and the N resources comprises:
an i th spatial correlation parameter in the K spatial correlation parameters arranged in a first order is mapped to a (K*j+i) th resource in the N resources, wherein i and j are integers, 1≤i≤K, 1≤K*j+i≤N, 0≤j≤┌N/K┐−1, and ┌ ┐ represents rounding up.

6 . The method according to claim 4 , wherein one multiplexing manner is used for the N resources, and the N resources are arranged in an order corresponding to the multiplexing manner.

7 . The method according to claim 4 , wherein at least two multiplexing manners are used for the N resources, the at least two multiplexing manners comprise a first multiplexing manner, the N resources comprise M groups of resources, M is a positive integer, and resources in each group of resources are arranged in an order corresponding to the first multiplexing manner.

8 . A communication method, comprising:
sending first indication information, wherein the first indication information is used to indicate K spatial correlation parameters for receiving a transport block carried on N resources, K and N are integers greater than 1, and K≤N; determining a mapping relationship between the K spatial correlation parameters and the N resources; and sending the transport block on the N resources based on the mapping relationship.

9 . The method according to claim 8 , wherein the determining the mapping relationship between the K spatial correlation parameters and the N resources comprises:
determining the mapping relationship between the K spatial correlation parameters and the N resources based on a multiplexing manner of the N resources, wherein the multiplexing manner comprises at least one of space division multiplexing, time division multiplexing, or frequency division multiplexing.

10 . The method according to claim 9 , wherein:
one multiplexing manner is used for the N resources, and the N resources comprise K groups of resources; and the mapping relationship between the K spatial correlation parameters and the N resources comprises: the K spatial correlation parameters arranged in a first order are sequentially mapped to the K groups of resources arranged in an order corresponding to the multiplexing manner.

11 . The method according to claim 8 , wherein the mapping relationship between the K spatial correlation parameters and the N resources comprises:
the K spatial correlation parameters arranged in a first order are sequentially mapped to the N resources.

12 . The method according to claim 8 , wherein the mapping relationship between the K spatial correlation parameters and the N resources comprises:
an i th spatial correlation parameter in the K spatial correlation parameters arranged in a first order is mapped to a (K*j+i) th resource in the N resources, wherein i and j are integers, 1≤i≤K, 1≤K*j+i≤N, 0≤j≤┌N/K┐−1, and ┌ ┐ represents rounding up.

13 . The method according to claim 11 , wherein one multiplexing manner is used for the N resources, and the N resources are arranged in an order corresponding to the multiplexing manner.

14 . The method according to claim 11 , wherein at least two multiplexing manners are used for the N resources, the at least two multiplexing manners comprise a first multiplexing manner, the N resources comprise M groups of resources, M is a positive integer, and resources in each group of resources are arranged in an order corresponding to the first multiplexing manner.

15 . A terminal device, comprising a processor and a transceiver, wherein:
the transceiver is configured to receive first indication information, wherein the first indication information is used to indicate K spatial correlation parameters for receiving a transport block carried on N resources, K and N are integers greater than 1, and K≤N; the processor is configured to determine a mapping relationship between the K spatial correlation parameters and the N resources; and the transceiver is further configured to receive the transport block on the N resources based on the mapping relationship.

16 . The terminal device according to claim 15 , wherein the processor is configured to:
determine the mapping relationship between the K spatial correlation parameters and the N resources based on a multiplexing manner of the N resources, wherein the multiplexing manner comprises at least one of space division multiplexing, time division multiplexing, or frequency division multiplexing.

17 . The terminal device according to claim 16 , wherein:
one multiplexing manner is used for the N resources, and the N resources comprise K groups of resources; and the mapping relationship between the K spatial correlation parameters and the N resources comprises: the K spatial correlation parameters arranged in a first order are sequentially mapped to the K groups of resources arranged in an order corresponding to the multiplexing manner.

18 . The terminal device according to claim 15 , wherein the mapping relationship between the K spatial correlation parameters and the N resources comprises:
the K spatial correlation parameters arranged in a first order are sequentially mapped to the N resources.

19 . The terminal device according to claim 15 , wherein the mapping relationship between the K spatial correlation parameters and the N resources comprises:
an i th spatial correlation parameter in the K spatial correlation parameters arranged in a first order is mapped to a (K*j+i) th resource in the N resources, wherein i and j are integers, 1≤i≤K, 1≤K*j+i≤N, 0≤j≤┌N/K┐−1, and ┌ ┐ represents rounding up.

20 . The terminal device according to claim 18 , wherein one multiplexing manner is used for the N resources, and the N resources are arranged in an order corresponding to the multiplexing manner.

Assignees

• Huawei Tech Co Ltd

Inventors

• Zhang Di
• Liu Kunpeng

Classifications

• H04B7/06968 Primary

  using quasi-colocation [QCL] between signals · CPC title

• H04W72/046 Primary

  the resource being in the space domain, e.g. beams · CPC title

• H04L5/0091

  Signalling for the administration of the divided path, e.g. signalling of configuration information · CPC title

• H04L5/0023

  Time-frequency-space · CPC title

• H04B7/088

  using beam selection · CPC title