Control information transmission method, related apparatus, and computer storage medium

Patent metadata

Field	Value
Publication number	US-12563571-B2
Application number	US-202418786330-A
Country	US
Kind code	B2
Filing date	Jul 26, 2024
Priority date	May 4, 2017
Publication date	Feb 24, 2026
Grant date	Feb 24, 2026

Abstract

A control information transmission method, apparatus, and systems are disclosed. An example method includes: determining configuration information of a control channel, wherein the configuration information comprises at least one of frequency domain information or time domain information, the at least one of frequency domain information or time domain information indicates a time-frequency resource occupied by the control channel, and the configuration information further comprises indication information indicating a quantity of at least one resource element set, wherein the time-frequency resource occupied by the control channel comprises the at least one resource element set; mapping control information to one or more of the at least one resource element set based on the configuration information; sending the configuration information to a terminal device; and sending the control information to the terminal device.

First claim

The invention claimed is:

1 . A communication method, wherein the method comprises:
receiving configuration information of a control channel, wherein the configuration information of the control channel includes time-domain configuration information of a time-frequency resource of the control channel and configuration information of at least one resource element set, wherein
the time-frequency resource of the control channel corresponds to at least one control channel element, each control channel element of the at least one control channel element has six resource element groups, each control channel element of the at least one control channel element includes one or more of the at least one resource element set, each resource element group of the six resource element groups belongs to one of the one or more of the at least one resource element set, and a quantity of resource element groups in each resource element set of the at least one resource element set is two, three, or six, and wherein
each resource element group of the six resource element groups occupies one orthogonal frequency division multiplexing (OFDM) symbol in time domain, and occupies 12 contiguous subcarriers in frequency domain; and
detecting the control channel based on the configuration information of the control channel.

2 . The method according to claim 1 , wherein each resource element set of the at least one resource element set has two resource element groups, wherein the two resource element groups occupy one OFDM symbol in the time domain, and occupy 24 contiguous subcarriers in the frequency domain.

3 . The method according to claim 1 , wherein each resource element set of the at least one resource element set has six resource element groups, wherein the six resource element groups occupy one OFDM symbol in the time domain, and occupy 72 contiguous subcarriers in the frequency domain.

4 . The method according to claim 1 , wherein each resource element set of the at least one resource element set has two resource element groups, wherein the two resource element groups occupy two contiguous OFDM symbols in the time domain, and occupy 12 contiguous subcarriers in the frequency domain.

5 . The method according to claim 1 , wherein each resource element set of the at least one resource element set has six resource element groups, wherein the six resource element groups occupy two contiguous OFDM symbols in the time domain, and occupy 36 contiguous subcarriers in the frequency domain.

6 . The method according to claim 1 , wherein each resource element set of the at least one resource element set has three resource element groups, wherein the three resource element groups occupy three contiguous OFDM symbols in the time domain, and occupy 12 contiguous subcarriers in the frequency domain.

7 . The method according to claim 1 , wherein each resource element set of the at least one resource element set has six resource element groups, wherein the six resource element groups occupy three contiguous OFDM symbols in the time domain, and occupy 24 contiguous subcarriers in the frequency domain.

8 . The method according to claim 1 , wherein the at least one resource element set is interleaved based on numbers of the at least one resource element set.

9 . The method according to claim 1 , wherein the control channel is a physical downlink control channel (PDCCH).

10 . An apparatus, comprising one or more processors in communications with a non-transitory memory storing executable instructions, wherein the executable instructions, when executed by at least one processor of an apparatus, cause the apparatus to:
receive configuration information of a control channel, wherein the configuration information of the control channel includes time-domain configuration information of a time-frequency resource of the control channel and configuration information of at least one resource element set, wherein
the time-frequency resource of the control channel corresponds to at least one control channel element, each control channel element of the at least one control channel element has six resource element groups, each control channel element of the at least one control channel element includes one or more of the at least one resource element set, each resource element group of the six resource element groups belongs to one of the one or more of the at least one resource element set, and a quantity of resource element groups in each resource element set of the at least one resource element set is two, three, or six, and wherein
each resource element group of the six resource element groups occupies one orthogonal frequency division multiplexing (OFDM) symbol in time domain, and occupies 12 contiguous subcarriers in frequency domain; and
detect the control channel based on the configuration information of the control channel.

11 . The apparatus according to claim 10 , wherein each resource element set of the at least one resource element set has two resource element groups, wherein the two resource element groups occupy one OFDM symbol in the time domain, and occupy 24 contiguous subcarriers in the frequency domain.

12 . The apparatus according to claim 10 , wherein each resource element set of the at least one resource element set has six resource element groups, wherein the six resource element groups occupy one OFDM symbol in the time domain, and occupy 72 contiguous subcarriers in the frequency domain.

13 . The apparatus according to claim 10 , wherein each resource element set of the at least one resource element set has two resource element groups, wherein the two resource element groups occupy two contiguous OFDM symbols in the time domain, and occupy 12 contiguous subcarriers in the frequency domain.

14 . The apparatus according to claim 10 , wherein each resource element set of the at least one resource element set has six resource element groups, wherein the six resource element groups occupy two contiguous OFDM symbols in the time domain, and occupy 36 contiguous subcarriers in the frequency domain.

15 . The apparatus according to claim 10 , wherein each resource element set of the at least one resource element set has three resource element groups, wherein the three resource element groups occupy three contiguous OFDM symbols in the time domain, and occupy 12 contiguous subcarriers in the frequency domain.

16 . The apparatus according to claim 10 , wherein each resource element set of the at least one resource element set has six resource element groups, wherein the six resource element groups occupy three contiguous OFDM symbols in the time domain, and occupy 24 contiguous subcarriers in the frequency domain.

17 . The apparatus according to claim 10 , wherein the at least one resource element set is interleaved based on numbers of the at least one resource element set.

18 . The apparatus according to claim 10 , wherein the control channel is a physical downlink control channel (PDCCH).

19 . A non-transitory computer-readable storage medium comprising executable instructions, wherein the executable instructions, when executed by at least one processor of an apparatus, cause the apparatus to:
receive configuration information of a control channel, wherein the configuration information of the control channel includes time-domain configuration information of a time-frequency resource of the control channel and configuration information of at least one resource element set, wherein
the time-frequency resource of the control channel corresponds to a

Assignees

• Huawei Tech Co Ltd

Inventors

• Zhang Xu
• Wang Jianguo
• Xue Lixia
• Chen Zheng

Classifications

• H04W80/08

  Upper layer protocols {(network arrangements or communication protocols for networked applications H04L67/00)} · CPC title

• H04W72/0453

  Resources in frequency domain, e.g. a carrier in FDMA · CPC title

• H04W72/0446

  Resources in time domain, e.g. slots or frames · CPC title

• H04L5/0007

  the frequencies being orthogonal, e.g. OFDM(A) or DMT · CPC title

• H04W76/27

  Transitions between radio resource control [RRC] states · CPC title