# US 2014/0155118 A1 · Communication control device, communication control method, communication system, and terminal device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0155118 A1 - Document ID: US20140155118A1 - Status: Published application - Kind: A1 - Application number: 14/234,796 - Filed: 2012-07-09 - Published: 2014-06-05 - Earliest claimed: 2011-08-11 - Assignees: Sony Corporation - Inventors: Shinichiro Tsuda - Web page: https://patentgrep.com/patent/US20140155118A1 ## CPC - H04W 52/38: TPC being performed in particular situations - H04W 52/143: {Downlink power control} - H04W 52/247: {where the output power of a terminal is based on a path parameter sent by another terminal} - H04W 52/281: {taking into account user or data type priority} - H04W 52/386: {centralized, e.g. when the radio network controller or equivalent takes part in the power control} - H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals - H04W 8/183: {Processing at user equipment or user record carrier} - H04W 92/08: between user and terminal device - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract There is provided a communication control device including a power control unit configured to control a transmission power of a secondary communication service to be provided at least near an area where a first primary communication service is provided. The power control unit increases the transmission power of the secondary communication service upon performing a switching from subscriber identity module (SIM) information corresponding to the first primary communication service to SIM information corresponding to a second primary communication service in a terminal device using a communication service by using any SIM information switched between a plurality of SIM information. Representative Drawing ## Claims ### Claim 1 A communication control device comprising: a power control unit configured to control a transmission power of a secondary communication service to be provided at least near an area where a first primary communication service is provided, wherein the power control unit increases the transmission power of the secondary communication service upon performing a switching from subscriber identity module (SIM) information corresponding to the first primary communication service to SIM information corresponding to a second primary communication service in a terminal device using a communication service by using any SIM information switched between a plurality of SIM information. ### Claim 2 (depends on 1) The communication control device according to claim 1, wherein the power control unit controls the transmission power of the secondary communication service in accordance with an instruction for causing the terminal device to switch SIM information from a node configured to instruct the terminal device to switch SIM information. ### Claim 3 (depends on 2) The communication control device according to claim 2, wherein the secondary communication service is a communication service provided by a same carrier as a carrier who provides the first primary communication service or the second primary communication service, and wherein the node is the communication control device. ### Claim 4 (depends on 2) The communication control device according to claim 2, wherein the node is a different device from the communication control device, and wherein the communication control device further includes a communication unit configured to receive, from the node, a notification of the instruction for causing the terminal device to switch SIM information. ### Claim 5 (depends on 1) The communication control device according to claim 1, wherein the power control unit controls the transmission power of the secondary communication service in accordance with a report of the switching of SIM information from the terminal device. ### Claim 6 (depends on 1) The communication control device according to claim 1, wherein the first primary communication service is assigned a different frequency channel from a frequency channel assigned to the second primary communication service, and wherein the secondary communication service is provided on at least some channels of frequency channels assigned to the first primary communication service. ### Claim 7 (depends on 1) The communication control device according to claim 1, wherein the power control unit controls the transmission power of the secondary communication service so that an interference level to the first primary communication service which caused by a wireless signal of the secondary communication service does not exceed a predetermined allowable interference level. ### Claim 8 (depends on 7) The communication control device according to claim 7, wherein the power control unit obtains the predetermined allowable interference level depending on the switching of SIM information in the terminal device. ### Claim 9 (depends on 7) The communication control device according to claim 7, wherein when it is determined that a provision of the secondary communication service is interrupted as a result of control of the transmission power of the secondary communication service, the power control unit recommends a handover to another communication service to the terminal device using the secondary communication service. ### Claim 10 (depends on 1) The communication control device according to claim 1, wherein the terminal device is equipped with a plurality of SIM cards and is a terminal capable of performing communication by using SIM information of each of the plurality of SIM cards. ### Claim 11 (depends on 1) The communication control device according to claim 1, wherein the terminal device has a memory for storing a plurality of SIM information and is a terminal capable of performing communication by using each of the plurality of SIM information. ### Claim 12 (depends on 1) The communication control device according to claim 1, wherein the terminal device has a memory for storing SIM information capable of being rewritten between a plurality of SIM information and is a terminal capable of performing communication by using SIM information stored in the memory. ### Claim 13 A communication control method performed by a communication control device configured to control a secondary communication service to be provided at least near an area where a first primary communication service is provided, the method comprising: increasing a transmission power of the secondary communication service upon performing a switching from subscriber identity module (SIM) information corresponding to the first primary communication service to SIM information corresponding to a second primary communication service in a terminal device using a communication service by using any SIM information switched between a plurality of SIM information. ### Claim 14 A communication system comprising: a terminal device configured to use a communication service by using any subscriber identity module (SIM) information switched between a plurality of SIM information corresponding to a plurality of primary communication services; and a communication control device configured to include a power control unit for controlling a transmission power of a secondary communication service to be provided at least near an area where a first primary communication service is provided, wherein the power control unit increases the transmission power of the secondary communication service upon performing a switching from SIM information corresponding to the first primary communication service to SIM information corresponding to a second primary communication service in the terminal device. ### Claim 15 A terminal device comprising: a communication unit configured to communicate by using any subscriber identity module (SIM) information switched between a plurality of SIM information corresponding to a plurality of primary communication services; and a control unit configured to, when SIM information used by the communication unit is switched from first SIM information corresponding to a first primary communication service to second SIM information corresponding to a second primary communication service, report the switching to a communication control device for controlling a transmission power of a secondary communication service to be provided at least near an area where the first primary communication service is provided. ### Claim 16 (depends on 15) The terminal device according to claim 15, further comprising: a measurement unit configured to measure a quality of communication by the communication unit; and a switching unit configured to switch SIM information used by the communication unit, wherein the switching unit switches SIM information from the first SIM information to the second SIM information when a communication quality of the second primary communication service is higher than a communication quality measured by the measurement unit for the first primary communication service. ### Claim 17 (depends on 16) The terminal device according to claim 16, wherein the measurement unit measures a communication quality of the second primary communication service when the communication quality measured for the first primary communication service is lower than a given threshold. ### Claim 18 (depends on 17) The terminal device according to claim 17, wherein the given threshold is different for each cell type of the first primary communication service. ### Claim 19 (depends on 15) The terminal device according to claim 15, wherein the switching of SIM information used by the communication unit is reported to the communication control device via a base station of the first primary communication service or a base station of the second primary communication service. ### Claim 20 A communication control device for providing a first primary communication service to a terminal device that communicates by using any subscriber identity module (SIM) information switched between a plurality of SIM information corresponding to a plurality of primary communication services, comprising: an instruction unit configured to instruct the terminal device to switch from SIM information corresponding to the first primary communication service to SIM information corresponding to a second primary communication service depending on a communication quality of the first primary communication service for the terminal device; and a secondary control unit configured to cause a node to increase a transmission power of a secondary communication service in accordance with the instruction by the instruction unit, the node being configured to control the transmission power of the secondary communication service provided at least near an area where the first primary communication service is provided.