# US 2025/0167928 A1 · Communication method and communication apparatus

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- Number: US 2025/0167928 A1
- Document ID: US20250167928A1
- Status: Published application
- Kind: A1
- Application number: 19/029,790
- Filed: 2025-01-17
- Published: 2025-05-22
- Earliest claimed: 2022-08-09
- Assignees: Huawei Technologies Co., Ltd.
- Applicants: Huawei Technologies Co., Ltd.
- Inventors: Bin XU; Lili ZHENG; Yang ZHAO
- Web page: https://patentgrep.com/patent/US20250167928A1

## CPC

- H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ]
- H04B 7/18513: {Transmission in a satellite or space-based system}
- H04L 1/16: in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L 1/18: Automatic repetition systems, e.g. Van Duuren systems
- H04L 1/1822: involving configuration of automatic repeat request [ARQ] with parallel processes
- H04W 56/0045: {compensating for timing error by altering transmission time}
- H04W 64/00: Locating users or terminals {or network equipment} for network management purposes, e.g. mobility management
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04B: TRANSMISSION
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

This application provides a communication method and a communication apparatus. The method includes: A terminal device receives first indication information from a network device, where the first indication information includes at least one first threshold; and the terminal device determines, based on the first indication information, to disable or enable a HARQ function of at least one HARQ process. According to the method provided in embodiments of this application, a delay problem of a HARQ mechanism caused by a large delay in non-terrestrial network communication can be effectively resolved, thereby increasing a data transmission rate.

## Claims

### Claim 1

A communication method, comprising:
receiving, by a terminal device, first indication information from a network device, wherein the first indication information comprises at least one first threshold; and
determining, by the terminal device based on the first indication information, to disable or enable a HARQ function of at least one HARQ process.

### Claim 2 (depends on 1)

The method according to claim 1, wherein the first indication information further comprises first information, and the determining, by the terminal device based on the first indication information, to disable or enable a HARQ function of at least one HARQ process comprises:
determining, by the terminal device based on the at least one first threshold and the first information, to disable or enable the HARQ function of the at least one HARQ process, wherein the first information is used to determine a first distance or determine a first timing advance TA.

### Claim 3 (depends on 1)

The method according to claim 1, wherein the method further comprises:
obtaining, by the terminal device, first information, wherein the first information is used to determine a first distance or determine a first TA; and
the determining, by the terminal device based on the first indication information, to disable or enable a HARQ function of at least one HARQ process comprises:
determining, by the terminal device based on the first indication information and the first information, to disable or enable the HARQ function of the at least one HARQ process.

### Claim 4 (depends on 1)

The method according to claim 1, wherein the method further comprises:
sending, by the terminal device, second indication information to the network device, wherein the second indication information is used to determine whether the HARQ function of the at least one HARQ process of the terminal device is enabled or disabled.

### Claim 5 (depends on 1)

The method according to claim 1, wherein
the first indication information further indicates a correspondence between the at least one first threshold and the at least one HARQ process.

### Claim 6 (depends on 1)

The method according to claim 1, wherein the method further comprises:
receiving, by the terminal device, third indication information from the network device, wherein the third indication information indicates a correspondence between the at least one first threshold and the at least one HARQ process.

### Claim 7

A communication method, comprising:
determining, by a network device, first indication information, wherein the first indication information comprises at least one first threshold; and
sending, by the network device, the first indication information to a terminal device, wherein the first indication information is used by the terminal device to determine to disable or enable a HARQ function of at least one HARQ process.

### Claim 8 (depends on 7)

The method according to claim 7, wherein the first indication information further comprises first information, and the first information is used to determine a first distance or determine a first timing advance TA.

### Claim 9 (depends on 7)

The method according to claim 7, wherein the method further comprises:
sending, by the network device, first information to the terminal device, wherein the first information is used to determine a first distance or determine a first TA.

### Claim 10 (depends on 7)

The method according to claim 7, wherein the method further comprises:
receiving, by the network device, second indication information from the terminal device, wherein the second indication information is used by the network device to determine whether the HARQ function of the at least one HARQ process of the terminal device is enabled or disabled.

### Claim 11 (depends on 7)

The method according to claim 7, wherein the first indication information further indicates a correspondence between the at least one first threshold and the at least one HARQ process.

### Claim 12 (depends on 7)

The method according to claim 7, wherein the method further comprises:
sending, by the network device, third indication information to the terminal device, wherein the third indication information indicates a correspondence between the at least one first threshold and the at least one HARQ process.

### Claim 13

A communication apparatus, comprising:
one or more processors; and
at least one memory, wherein the at least one memory stores instructions, and when executing the instructions stored in the memory, the one or more processors executes operations comprising:
receiving first indication information from a network device, wherein the first indication information comprises at least one first threshold; and
determining, based on the first indication information, to disable or enable a HARQ function of at least one HARQ process.

### Claim 14 (depends on 13)

The communication apparatus according to claim 13, wherein the first indication information further comprises first information, and the determining, by the terminal device based on the first indication information, to disable or enable a HARQ function of at least one HARQ process comprises:
determining, by the terminal device based on the at least one first threshold and the first information, to disable or enable the HARQ function of the at least one HARQ process, wherein the first information is used to determine a first distance or determine a first timing advance TA.

### Claim 15 (depends on 13)

The communication apparatus according to claim 13, wherein the method further comprises:
obtaining, by the terminal device, first information, wherein the first information is used to determine a first distance or determine a first TA; and
the determining, by the terminal device based on the first indication information, to disable or enable a HARQ function of at least one HARQ process comprises:
determining, by the terminal device based on the first indication information and the first information, to disable or enable the HARQ function of the at least one HARQ process.

### Claim 16 (depends on 13)

The communication apparatus according to claim 13, wherein the method further comprises:
sending, by the terminal device, second indication information to the network device, wherein the second indication information is used to determine whether the HARQ function of the at least one HARQ process of the terminal device is enabled or disabled.

### Claim 17 (depends on 13)

The communication apparatus according to claim 13, wherein
the first indication information further indicates a correspondence between the at least one first threshold and the at least one HARQ process.

### Claim 18 (depends on 13)

The communication apparatus according to claim 13, wherein the method further comprises:
receiving, by the terminal device, third indication information from the network device, wherein the third indication information indicates a correspondence between the at least one first threshold and the at least one HARQ process.