# US 12,604,322 B2 · Control information configuration method and apparatus, control information content determining method and apparatus, and related electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,604,322 B2 - Document ID: US12604322B2 - Status: Granted - Kind: B2 - Application number: 17/981,461 - Filed: 2022-11-06 - Published: 2023-02-23 - Granted: 2026-04-14 - Earliest claimed: 2020-05-07 - Assignees: Vivo Mobile Communication Co., Ltd. - Applicants: Vivo Mobile Communication Co., Ltd. - Inventors: Siqi Liu; Zichao Ji; Gen Li - Web page: https://patentgrep.com/patent/US12604322B2 ## CPC - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 72/232: the control data signalling from the physical layer, e.g. DCI signalling - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0092: {Indication of how the channel is divided} - H04W 36/0016: {Hand-off preparation specially adapted for end-to-end data sessions} - H04L 5/0098: {Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands} - H04W 8/22: Processing or transfer of terminal data, e.g. status or physical capabilities - H04W 76/15: Setup of multiple wireless link connections - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A control information configuration method and apparatus, a control information content determining method and apparatus, and an electronic device, are provided. The control information configuration method is performed by a first serving cell, the first serving cell is scheduled by a second serving cell, and the method includes: sending first control information to a terminal, where the first control information is determined according to at least one of the following: second control information sent on the second serving cell to the terminal; a configuration from a base station on the terminal; a characteristic of the terminal; and a capability supported by the terminal. ## Claims ### Claim 1 A control information configuration method, performed by a first serving cell, wherein the first serving cell is scheduled by a second serving cell, and the method comprises: sending first control information to a terminal, wherein the first control information is determined according to: second control information sent on the second serving cell to the terminal, wherein the first control information is used to schedule, on the first serving cell, transmission or resources of the first serving cell, and the second control information is used to schedule, on the second serving cell, transmission or resources of the first serving cell, wherein the first control information is first Downlink Control Information (DCI), the second control information is second DCI, and when the first DCI comprises a Carrier Indicator Field (CIF) and the second DCI comprises a CIF, the number of bits of the CIF included in the first DCI is the same as the number of bits of the CIF included in the second DCI; or when the second DCI does not comprise a CIF, the first DCI does not comprise a CIF. ### Claim 2 (depends on 1) The control information configuration method according to claim 1, wherein the first control information and the second control information further meet the following rule: a first rule, wherein the first rule is that the first DCI does not comprise a Transmission Configuration Indication (TCI) field and the second DCI does not comprise a TCI field, or the first DCI comprises a TCI field and the second DCI comprises a TCI field. ### Claim 3 (depends on 2) The control information configuration method according to claim 2, wherein when the first DCI comprises a TCI field and the second DCI comprises a TCI field, the TCI field comprised in the first DCI is the same as the TCI field comprised in the second DCI. ### Claim 4 (depends on 2) The control information configuration method according to claim 2, wherein the number of bits of the TCI included in the first DCI is the same as the number of bits of the TCI included in the second DCI. ### Claim 5 (depends on 1) The control information configuration method according to claim 1, wherein the first serving cell supports, is configured for, or is enabled for cross-carrier scheduling; or the second serving cell supports, is configured for, or is enabled for cross-carrier scheduling. ### Claim 6 A control information configuration method, performed by a second serving cell, wherein the second serving cell schedules a first serving cell, and the method comprises: sending second control information to a terminal, wherein the second control information is determined according to: first control information sent on the second serving cell to the terminal, wherein the second control information is used to schedule, on the second serving cell, transmission or resources of the first serving cell, wherein the first control information is first Downlink Control Information (DCI), the second control information is second DCI, and when the first DCI comprises a Carrier Indicator Field (CIF) and the second DCI comprises a CIF, the number of bits of the CIF included in the first DCI is the same as the number of bits of the CIF included in the second DCI; or when the second DCI does not comprise a CIF, the first DCI does not comprise a CIF. ### Claim 7 (depends on 6) The control information configuration method according to claim 6, wherein the first control information and the second control information further meet the following rule: a first rule, wherein the first rule is that the first DCI does not comprise a Transmission Configuration Indication (TCI) field and the second DCI does not comprise a TCI field, or the first DCI comprises a TCI field and the second DCI comprises a TCI field. ### Claim 8 (depends on 4) The control information configuration method according to claim 4, wherein when the first DCI comprises a TCI field and the second DCI comprises a TCI field, the TCI field comprised in the first DCI is the same as the TCI field comprised in the second DCI. ### Claim 9 (depends on 7) The control information configuration method according to claim 7, wherein the number of bits of the TCI included in the first DCI is the same as the number of bits of the TCI included in the second DCI. ### Claim 10 (depends on 6) The control information configuration method according to claim 6, wherein the second serving cell supports, is configured for, or is enabled for cross-carrier scheduling. ### Claim 11 A control information content determining method, performed by a terminal of a first serving cell, wherein the method comprises: obtaining first control information of the first serving cell and second control information of a second serving cell, wherein the first serving cell is scheduled by the second serving cell; and performing transmission according to the first control information and the second control information, wherein content of the first control information is determined according to: the second control information; or content of the second control information is determined according to: the first control information, wherein the first control information is first Downlink Control Information (DCI), the second control information is second DCI, and when the first DCI comprises a Carrier Indicator Field (CIF) and the second DCI comprises a CIF, the number of bits of the CIF included in the first DCI is the same as the number of bits of the CIF included in the second DCI; or when the second DCI does not comprise a CIF, the first DCI does not comprise a CIF. ### Claim 12 (depends on 11) The control information content determining method according to claim 11, wherein the first control information and the second control information further meet the following rule: a first rule, wherein the first rule is that the first DCI does not comprise a Transmission Configuration Indication (TCI) field and the second DCI does not comprise a TCI field, or the first DCI comprises a TCI field and the second DCI comprises a TCI field. ### Claim 13 (depends on 12) The control information content determining method according to claim 12, wherein when the first DCI comprises a TCI field and the second DCI comprises a TCI field, the TCI field comprised in the first DCI is the same as the TCI field comprised in the second DCI. ### Claim 14 (depends on 12) The control information content determining method according to claim 12, wherein the number of bits of the TCI included in the first DCI is the same as the number of bits of the TCI included in the second DCI.