# US 12,192,975 B2 · Method, base station, terminal and communication system for updating component carrier > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,192,975 B2 - Document ID: US12192975B2 - Status: Granted - Kind: B2 - Application number: 17/128,223 - Filed: 2020-12-21 - Published: 2021-04-15 - Granted: 2025-01-07 - Earliest claimed: 2010-04-30 - Assignees: Sony Corporation - Applicants: Sony Corporation - Inventors: Yuxin Wei - Web page: https://patentgrep.com/patent/US12192975B2 ## CPC - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0098: {Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands} - H04W 74/0833: Random access procedures, e.g. with 4-step access - H04W 74/0838: using contention-free random access [CFRA] - H04W 88/08: Access point devices - 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 method, base station, terminal and communication system for updating component carriers are provided. Wherein, status information of the terminal, base station and/or component carrier is acquired; whether the status information accords with the predetermined condition is determined; an old component carrier is replaced by a new component carrier, or a new component carrier is added in the even that the predetermined condition is met. With the embodiments of the present invention, the component carrier which the terminal would use is updated more effectively. ## Claims ### Claim 1 An electronic device, comprising: circuitry configured to communicate with a terminal device via at least one component carrier; acquire a plurality of location points of the terminal device at different moments of time; determine a speed and a moving direction of the terminal device based on the plurality of the location points and the different moments of time; and in a case that the terminal device has left a service area; determine a candidate component carrier, to serve the terminal device as a secondary component carrier together with the at least one component carrier in a carrier aggregation communication, based on the speed and the moving direction of the terminal device, wherein the candidate component carrier services another service area located in the moving direction of the terminal device; and in a case that the terminal device accesses the candidate component carrier, deactivate the at least one component carrier or handover the at least one component carrier. ### Claim 2 (depends on 1) The electronic device according to claim 1, wherein the circuitry is further configured to: determine a movement trend of the terminal device based on the plurality of the location points; and compare the movement trend with a coverage of the candidate component carrier to determine the candidate component carrier as the secondary component carrier for the terminal device. ### Claim 3 (depends on 2) The electronic device according to claim 2, wherein the circuitry is further configured to: in a case where the terminal device is moving towards the coverage of the candidate component carrier, determine the candidate component carrier with a high priority that is higher than a predetermined threshold as the secondary component carrier for the terminal device; and in another case where the terminal device is moving away from the coverage of the candidate component carrier, not to determine the candidate component carrier as the secondary component carrier for the terminal device. ### Claim 4 (depends on 2) The electronic device according to claim 2, wherein the circuitry is further configured to generate radio resource control reconfiguration information for the terminal device, the radio resource control reconfiguration information including radio resource configuration information of the candidate component carrier to configure the candidate component carrier as the secondary component carrier. ### Claim 5 (depends on 1) The electronic device according to claim 1, wherein the circuitry is further configured to determine the candidate component carrier to serve the terminal device as the secondary component carrier based on a signal quality of the candidate component carrier, and a factor of the acquired plurality of the location points at the different moments of time has a higher priority than a factor of signal quality when determining the candidate component carrier as the secondary component carrier. ### Claim 6 (depends on 1) The electronic device according to claim 1, wherein the electronic device is implemented as a base station. ### Claim 7 (depends on 1) The electronic device according to claim 1, wherein the circuitry is further configured to determine, based on the speed and the moving direction of the terminal device, whether the terminal device has left the service area of the at least one component carrier. ### Claim 8 (depends on 1) The electronic device according to claim 1, wherein the at least one component carrier and the candidate component carrier to serve the terminal device as the secondary component carrier are both served by the electronic device. ### Claim 9 An electronic device, comprising: circuitry configured to communicate with a base station via at least one component carrier; acquire a plurality of location points of the electronic device at different moments of time; determine a speed and a moving direction of the electronic device based on the plurality of the location points and the different moments of time; report the speed and the moving direction of the electronic device to the base station for the base station to determine whether the electronic device has left a service area of the at least one component carrier and, if so, to determine a candidate component carrier to serve the electronic device as a secondary component carrier together with the at least one component carrier in a carrier aggregation communication, based on the speed and the moving direction of the electronic device, wherein the candidate component carrier services another service area located in the moving direction of the electronic device; receive radio resource control reconfiguration information from the base station, the radio resource control reconfiguration information including radio resource configuration information of the candidate component carrier; configure the candidate component carrier as the secondary component carrier; and in a case that the electronic device accesses the candidate component carrier, deactivate the at least one component carrier or handover the at least one component carrier. ### Claim 10 (depends on 9) The electronic device according to claim 9, wherein a movement trend of the electronic device is determined based on the plurality of the location points, and the movement trend is compared with a coverage of the candidate component carrier to determine the candidate component carrier as the secondary component carrier. ### Claim 11 (depends on 10) The electronic device according to claim 10, wherein in a case where the electronic device is moving towards the coverage of the candidate component carrier, the candidate component carrier with a high priority that is higher than a predetermined threshold is determined as the secondary component carrier for the electronic device, and in another case where the electronic device is moving away from the coverage of the candidate component carrier, the candidate component carrier is not determined as the secondary component carrier for the electronic device. ### Claim 12 (depends on 9) The electronic device according to claim 9, wherein the electronic device is implemented as a terminal device. ### Claim 13 (depends on 9) The electronic device of claim 9, wherein in the case that the electronic device accesses the candidate component carrier, the circuitry is further configured to receive a deactivation command from the base station, and in response to the deactivation command, deactivate the at least one component carrier. ### Claim 14 A method of an electronic device, the method comprising: communicating with a terminal device via at least one component carrier; acquiring a plurality of location points of the terminal device at different moments of time; determining, using circuitry of the electronic device, a speed and a moving direction of the terminal device based on the plurality of the location points and the different moments of time; and in a case that the terminal device has left a service area: determining, using the circuitry, a candidate component carrier to serve the terminal device as a secondary component carrier together with the at least one component carrier based on the speed and the moving direction of the terminal device in a carrier aggregation communication, wherein the candidate component carrier services another service area located in the moving direction of the terminal device; and in a case that the terminal device accesses the candidate component carrier, deactivating the at least one component carrier or performing a handover the at least one component carrier. ### Claim 15 (depends on 14) The method according to claim 14, further comprising: determining, using the circuitry, a movement trend of the terminal device based on the plurality of the location points; and comparing, using the circuitry, the movement trend with a coverage of the candidate component carrier to determine the candidate component carrier as the secondary component carrier for the terminal device. ### Claim 16 (depends on 15) The method according to claim 15, further comprising: in a case where the terminal device is moving towards the coverage of the candidate component carrier, determining the candidate component carrier with a high priority that is higher than a predetermined threshold as the secondary component carrier for the terminal device; and in another case where the terminal device is moving away from the coverage of the candidate component carrier, not determining the candidate component carrier as the secondary component carrier for the terminal device. ### Claim 17 (depends on 15) The method according to claim 15, further comprising: generating radio resource control reconfiguration information for the terminal device, the radio resource control reconfiguration information including radio resource configuration information of the candidate component carrier to configure the candidate component carrier as the secondary component carrier. ### Claim 18 A method of an electronic device, the method comprising: communicating with a base station via at least one component carrier; acquiring a plurality of location points of the electronic device at different moments of time; determining a speed and a moving direction of the terminal electronic device based on the plurality of the location points and the different moments of time; and reporting the speed and the moving direction of the electronic device to the base station for the base station to determine whether the electronic device has left a service area of the at least one component carrier and, if so, to determine a candidate component carrier to serve the electronic device as a secondary component carrier together with the at least one component carrier in a carrier aggregation communication, based on the speed and the moving direction of the electronic device, wherein the candidate component carrier services another service area located in the moving direction of the electronic device; receiving radio resource control reconfiguration information from the base station, the radio resource control reconfiguration information including radio resource configuration information of the candidate component carrier; configuring, using circuitry of the electronic device, the candidate component carrier as the secondary component carrier; and in a case that the electronic device accesses the candidate component carrier, deactivating the at least one component carrier or performing a handover the at least one component carrier. ### Claim 19 (depends on 18) The electronic device according to claim 18, wherein a movement trend of the electronic device is determined based on the plurality of the location points, and the movement trend is compared with a coverage of the candidate component carrier to determine the candidate component carrier as the secondary component carrier. ### Claim 20 (depends on 19) The electronic device according to claim 19, wherein in a case where the electronic device is moving towards the coverage of the candidate component carrier, the candidate component carrier with a high priority that is higher than a predetermined threshold is determined as the secondary component carrier for the electronic device, and in another case where the electronic device is moving away from the coverage of the candidate component carrier, the candidate component carrier is not determined as the secondary component carrier for the electronic device.