# US 12,603,731 B2 · Carrier configuration method and related device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,603,731 B2 - Document ID: US12603731B2 - Status: Granted - Kind: B2 - Application number: 18/008,513 - Filed: 2021-06-03 - Published: 2023-10-26 - Granted: 2026-04-14 - Earliest claimed: 2020-06-15 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Zhou Wang; Lixia Xue; Haibo Xu; Yifan Xue - Web page: https://patentgrep.com/patent/US12603731B2 ## CPC - H04L 5/001: {the frequencies being arranged in component carriers} - H04W 76/15: Setup of multiple wireless link connections - H04B 17/328: {Reference signal received power [RSRP]; Reference signal received quality [RSRQ]} - H04B 17/347: {Path loss} - H04L 5/0001: {Arrangements for dividing the transmission path (two-way operation using the same type of signal, i.e. duplex H04L5/14)} - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 76/34: Selective release of ongoing connections - Y02D 30/70: in wireless communication networks - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract A carrier configuration method and a related device are provided. A first carrier and a second carrier are configured for an electronic device, and the second carrier is a supplementary uplink carrier of the first carrier. The method includes: The electronic device receives a first message, where the first message includes configuration information of a secondary cell, and the secondary cell includes at least a serving cell corresponding to the second carrier. The electronic device configures, based on the configuration information of the secondary cell, the serving cell corresponding to the second carrier. That the serving cell corresponding to the second carrier is configured includes: An uplink of the second carrier remains as a supplementary uplink of the first carrier, or the supplementary uplink of the second carrier is deactivated, or an uplink of the second carrier is aggregated with an uplink of the first carrier. ## Claims ### Claim 1 A carrier configuration method, applied to an electronic device, the method comprising: receiving, by the electronic device configured with a first carrier and a second carrier of a first serving cell, a first message comprising configuration information of a secondary cell, wherein the second carrier is a supplementary uplink (SUL) carrier of the first carrier and is configured with a first uplink as an SUL of the first serving cell, wherein the secondary cell comprises a second serving cell corresponding to the second carrier, wherein the configuration information of the secondary cell comprises a downlink configuration of the second carrier, with the downlink configuration of the second carrier being used to configure a first downlink of the second carrier for the second serving cell and to aggregate the first downlink of the second carrier with a second downlink of the first carrier for the first serving cell; and configuring, by the electronic device, the second serving cell corresponding to the second carrier based on the configuration information of the secondary cell such that the first uplink of the second carrier remains as the SUL of the first serving cell, the SUL of the first serving cell is deactivated, or a second uplink of the second carrier for the second serving cell is aggregated with a third uplink of the first carrier for the first serving cell. ### Claim 2 (depends on 1) The method according to claim 1, wherein the configuration information of the secondary cell comprises an uplink configuration of the second carrier, with the uplink configuration of the second carrier being used to configure an uplink of the second carrier for the second serving cell, the configuring the second serving cell corresponding to the second carrier comprises: deactivating the SUL of the first serving cell; and aggregating the second uplink of the second carrier with the third uplink of the first carrier in accordance with the uplink configuration of the second carrier. ### Claim 3 (depends on 1) The method according to claim 1, wherein when the SUL of the first serving cell is deactivated, the method further comprises: aggregating, by the electronic device, the first uplink of the second carrier with an uplink of the first carrier for the first serving cell. ### Claim 4 (depends on 1) The method according to claim 1, wherein when the SUL of the first serving cell is deactivated, the method further comprises: receiving, by the electronic device, a third message indicating to release or deactivate the secondary cell; releasing or deactivating, by the electronic device, the secondary cell; and activating, by the electronic device, the SUL of the first serving cell on the second carrier. ### Claim 5 (depends on 1) The method according to claim 1, wherein the first uplink of the second carrier remains as the SUL of the first serving cell, the method further comprises: receiving, by the electronic device, a second message indicating to release or deactivate the secondary cell; releasing or deactivating, by the electronic device, the secondary cell while reserving the SUL of the first serving cell. ### Claim 6 (depends on 1) The method according to claim 1, wherein when the uplink of the second carrier is aggregated with the uplink of the first carrier, the method further comprises: receiving, by the electronic device, a third message indicating to release or deactivate the secondary cell; releasing or deactivating, by the electronic device, the secondary cell; and reconfiguring, by the electronic device, the SUL of the first serving cell on the second carrier. ### Claim 7 (depends on 1) The method according to claim 1, wherein the method further comprises: receiving, by the electronic device, a third message indicating to release or deactivate the secondary cell; releasing or deactivating, by the electronic device, the secondary cell while maintaining the first uplink of the second carrier as the SUL of the first serving cell, activating the SUL of the first serving cell on the second carrier to an SUL activated state from an SUL deactivated state, or reconfiguring the first uplink of the second carrier as the SUL of the first serving cell. ### Claim 8 (depends on 1) The method according to claim 1, the method further comprising: receiving, by the electronic device, a signal from the first downlink of the second serving cell, the signal comprising at least one of a synchronization signal or a downlink reference signal; and performing, by the electronic device, an uplink transmission on the SUL of the first serving cell on the second carrier in accordance with the signal from the first downlink of the second serving cell. ### Claim 9 (depends on 8) The method according to claim 8, wherein the performing, by the electronic device, an uplink transmission on the SUL of the first serving cell on the second carrier in accordance with the signal from the first downlink of the second serving cell comprises at least one of the following operations: determining, by the electronic device, an uplink sending timing advance for the SUL of the first serving in accordance with the synchronization signal from the first downlink of the second serving cell; calculating, by the electronic device, a path loss of the supplement uplink of the first serving based on a downlink reference signal received power (RSRP) of the downlink reference signal; or adjusting, by the electronic device, a transmit beam of a transmit beam of the supplement uplink the first serving cell based on the downlink RSRP of the downlink reference signal. ### Claim 10 A communications device, comprising: a processor, and a memory, configured to couple to the processor and store program instructions that, when executed by the processor, cause the communication device to perform the following operations: receiving a first message comprising configuration information of a secondary cell, wherein the communication device is configured with a first carrier and a second carrier of a first serving cell, with the second carrier being a supplementary uplink (SUL) carrier of the first carrier and configured with a first uplink as an SUL of the first serving cell, wherein the secondary cell comprises a second serving cell corresponding to the second carrier, wherein the configuration information of the secondary cell comprises a downlink configuration of the second carrier, with the downlink configuration of the second carrier being used to configure a first downlink of the second carrier for the second serving cell and to aggregate the first downlink of the second carrier with a second downlink of the first carrier for the first serving cell; and configuring the second serving cell corresponding to the second carrier based on the configuration information of the secondary cell such that the first uplink of the second carrier remains as the SUL of the first serving cell, the SUL of the first serving cell is deactivated, or a second uplink of the second carrier for the second serving cell is aggregated with a third uplink of the first carrier for the first serving cell. ### Claim 11 (depends on 10) The communications device according to claim 10, wherein the configuration information of the secondary cell comprises an uplink configuration of the second carrier, with the uplink configuration of the second carrier being used to configure an uplink of the second carrier for the second serving cell, the configuring the second serving cell corresponding to the second carrier comprises: deactivating the SUL of the first serving cell; and aggregating the second uplink of the second carrier with the third uplink of the first carrier in accordance with the uplink configuration of the second carrier. ### Claim 12 (depends on 10) The communications device according to claim 10, wherein when the SUL of the first serving cell is deactivated, the program instructions, when executed by the processor, cause the communication device to perform the following operations: aggregating the first uplink of the second carrier with an uplink of the first carrier for the first serving cell. ### Claim 13 (depends on 10) The communications device according to claim 10, wherein when the SUL of the first serving cell is deactivated, the program instructions, when executed by the processor, cause the communication device to perform the following operations: receiving a third message indicating to release or deactivate the secondary cell; releasing or deactivating the secondary cell; and activating the SUL of the first serving cell on the second carrier. ### Claim 14 (depends on 10) The communications device according to claim 10, wherein the first uplink of the second carrier remains as the SUL of the first serving cell, the program instructions, when executed by the processor, cause the communication device to perform the following operations: receiving a second message indicating to release or deactivate the secondary cell; releasing or deactivating the secondary cell while reserving the SUL of the first serving cell. ### Claim 15 (depends on 10) The communications device according to claim 10, wherein when the uplink of the second carrier is aggregated with the uplink of the first carrier, the program instructions, when executed by the processor, cause the communication device to perform the following operations: receiving a third message indicating to release or deactivate the secondary cell; releasing or deactivating the secondary cell; and reconfiguring the SUL of the first serving cell on the second carrier. ### Claim 16 (depends on 10) The communications device according to claim 10, wherein the program instructions, when executed by the processor, cause the communication device to perform the following operations: receiving a third message indicating to release or deactivate the secondary cell; releasing or deactivating the secondary cell while maintaining the first uplink of the second carrier as the SUL of the first serving cell, activating the SUL of the first serving cell on the second carrier to an SUL activated state from an SUL deactivated state, or reconfiguring the first uplink of the second carrier as the SUL of the first serving cell. ### Claim 17 (depends on 10) The communications device according to claim 10, wherein the program instructions, when executed by the processor, cause the communication device to perform the following operations: receiving a signal from the first downlink of the second serving cell, the signal comprising at least one of a synchronization signal or a downlink reference signal; and performing an uplink transmission on the SUL of the first serving cell on the second carrier in accordance with the signal from the first downlink of the second serving cell. ### Claim 18 (depends on 17) The communications device according to claim 17, wherein the performing an uplink transmission on the SUL of the first serving cell on the second carrier in accordance with the signal from the first downlink of the second serving cell comprises at least one of the following operations: determining an uplink sending timing advance for the SUL of the first serving in accordance with the synchronization signal from the first downlink of the second serving cell; calculating a path loss of the supplement uplink of the first serving based on a downlink reference signal received power (RSRP) of the downlink reference signal; or adjusting a transmit beam of a transmit beam of the SUL the first serving cell based on the RSRP of the downlink reference signal. ### Claim 19 A non-transitory computer-readable storage medium on which a computer program is stored, wherein the program, when executed by a processor, implements the following operations: receiving a first message comprising configuration information of a secondary cell, wherein the communication device is configured with a first carrier and a second carrier of a first serving cell, with the second carrier being a supplementary uplink (SUL) carrier of the first carrier and configured with a first uplink as an SUL of the first serving cell, wherein the secondary cell comprises a second serving cell corresponding to the second carrier, wherein the configuration information of the secondary cell comprises a downlink configuration of the second carrier, with the downlink configuration of the second carrier being used to configure a first downlink of the second carrier for the second serving cell and to aggregate the first downlink of the second carrier with a second downlink of the first carrier for the first serving cell; and configuring the second serving cell corresponding to the second carrier based on the configuration information of the secondary cell such that the first uplink of the second carrier remains as the SUL of the first serving cell, the SUL of the first serving cell is deactivated, or a second uplink of the second carrier for the second serving cell is aggregated with a third uplink of the first carrier for the first serving cell.