# US 2022/0279486 A1 · Method for Sending Two Levels of Control Channels, Terminal Device, and Communications Apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0279486 A1 - Document ID: US20220279486A1 - Status: Published application - Kind: A1 - Application number: 17/664,092 - Filed: 2022-05-19 - Published: 2022-09-01 - Earliest claimed: 2019-11-20 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Wenting Guo; Hongjia Su; Lei Lu - Web page: https://patentgrep.com/patent/US20220279486A1 ## CPC - H04W 72/02: Selection of wireless resources by user or terminal - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/20: Control channels or signalling for resource management - H04W 72/25: between terminals via a wireless link, e.g. sidelink - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A method comprises: selecting, from a first resource set or a second resource set, a resource occupied by second-level control information, wherein the first resource set occupies an nth symbol to an (n+k)th symbol in a time unit, a time domain start symbol of the second resource set is an (n+k+1)th symbol in the time unit, n is 0 or 1, k is a positive integer, the first resource set comprises a resource used to send first-level control information, and the first-level control information occupies all symbols occupied by the first resource set; and sending the first-level control information and the second-level control information. ## Claims ### Claim at position 1 -18. (canceled) ### Claim 19 A method, comprising: selecting, from a first resource set or a second resource set, a resource to be occupied by second-level control information, wherein the first resource set occupies an nth symbol to an (n+k)th symbol in a time unit, a time domain start symbol of the second resource set is an (n+k+1)th symbol in the time unit, n is 0 or 1, k is a positive integer, the first resource set comprises a resource used to carry first-level control information, and the first-level control information occupies all symbols of at least one sub-carrier occupied by the first resource set; and sending the first-level control information and the second-level control information. ### Claim 20 (depends on 19) The method according to claim 19, wherein the resource to be occupied by the second-level control information is selected from the first resource set, and the resource to be occupied by the second-level control information is adjacent, in frequency domain, to the resource used to carry the first-level control information. ### Claim 21 (depends on 20) The method according to claim 20, wherein a time domain start symbol of the resource to be occupied by the second-level control information is the same as a time domain start symbol occupied by the resource used to carry the first-level control information. ### Claim 22 (depends on 19) The method according to claim 19, wherein the resource to be occupied by the second-level control information is selected from the second resource set, and the resource to be occupied by the second-level control information is adjacent, in time domain, to the resource used to carry the first-level control information. ### Claim 23 (depends on 22) The method according to claim 22, wherein a frequency domain start position of the to be resource occupied by the second-level control information is the same as a frequency domain start position of the resource used to carry the first-level control information. ### Claim 24 (depends on 19) The method according to claim 19, wherein the second-level control information is mapped first in frequency domain and then in time domain to the resource to be occupied by the second-level control information. ### Claim 25 A method, comprising: selecting, from a first resource set or a second resource set, a resource occupied by second-level control information, wherein the first resource set occupies an nth symbol to an (n+k)th symbol in a time unit, a time domain start symbol of the second resource set is an (n+k+1)th symbol in the time unit, n is 0 or 1, k is a positive integer, the first resource set comprises a resource used to carry first-level control information, and the first-level control information occupies all symbols of at least one sub-carrier occupied by the first resource set; and receiving the first-level control information and the second-level control information. ### Claim 26 (depends on 25) The method according to claim 25, wherein the resource occupied by the second-level control information is selected from the first resource set, and the resource occupied by the second-level control information is adjacent, in frequency domain, to the resource used to carry the first-level control information. ### Claim 27 (depends on 26) The method according to claim 26, wherein a time domain start symbol of the resource to be occupied by the second-level control information is the same as a time domain start symbol of the resource used to carry the first-level control information. ### Claim 28 (depends on 25) The method according to claim 25, wherein the resource occupied by the second-level control information is selected from the second resource set, and the resource occupied by the second-level control information is adjacent, in time domain, to the resource used to carry the first-level control information. ### Claim 29 (depends on 28) The method according to claim 28, wherein a frequency domain start position of the resource occupied by the second-level control information is the same as a frequency domain start position of the resource used to carry the first-level control information. ### Claim 30 (depends on 25) The method according to claim 25, wherein the second-level control information is mapped first in frequency domain and then in time domain to the resource occupied by the second-level control information. ### Claim 31 An apparatus, comprising: at least one processor; and one or more non-transitory memories coupled to the at least one processor and storing programming instructions that are executable by the at least one processor, wherein execution of the programming instructions causes the apparatus to: select, from a first resource set or a second resource set, a resource to be occupied by second-level control information, wherein the first resource set occupies an nth symbol to an (n+k)th symbol in a time unit, a time domain start symbol of the second resource set is an (n+k+1)th symbol in the time unit, n is 0 or 1, k is a positive integer, the first resource set comprises a resource used to carry first-level control information, and the first-level control information occupies all symbols of a sub-carrier occupied by the first resource set; and send the first-level control information and the second-level control information. ### Claim 32 (depends on 31) The apparatus according to claim 31, wherein the resource to be occupied by the second-level control information is selected from the first resource set, and the resource to be occupied by the second-level control information is adjacent, in frequency domain, to the resource used to carry the first-level control information. ### Claim 33 (depends on 32) The apparatus according to claim 32, wherein a time domain start symbol of the resource to be occupied by the second-level control information is the same as a time domain start symbol of the resource used to carry the first-level control information. ### Claim 34 (depends on 31) The apparatus according to claim 31, wherein the resource to be occupied by the second-level control information is selected from the second resource set, and the resource to be occupied by the second-level control information is adjacent, in time domain, to a resource used to carry the first-level control information. ### Claim 35 (depends on 34) The apparatus according to claim 34, wherein a frequency domain start position of the resource to be occupied by the second-level control information is the same as a frequency domain start position of the resource used to carry the first-level control information. ### Claim 36 (depends on 31) The apparatus according to claim 31, wherein the second-level control information is mapped first in frequency domain and then in time domain to the resource to be occupied by the second-level control information.