# US 12,015,977 B2 · Control station device and wireless terminal station device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,015,977 B2 - Document ID: US12015977B2 - Status: Granted - Kind: B2 - Application number: 17/625,435 - Filed: 2019-07-10 - Published: 2022-08-18 - Granted: 2024-06-18 - Earliest claimed: 2019-07-10 - Assignees: Nippon Telegraph and Telephone Corporation - Applicants: Nippon Telegraph and Telephone Corporation - Inventors: Tomoki Murakami; Toshiro Nakahira; Ryota Shiina; Kazutaka Hara; Tomohiro Taniguchi - Web page: https://patentgrep.com/patent/US12015977B2 ## CPC - H04W 48/18: Selecting a network or a communication service - H04W 36/14: Reselecting a network or an air interface - H04W 36/324: {by mobility data, e.g. speed data} - H04W 36/362: {Conditional handover} - H04W 48/16: Discovering, processing access restriction or access information - H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals - H04W 88/18: Service support devices; Network management devices - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A control station device includes a policy generation unit that calculates a priority order of a plurality of wireless communication systems having different types of systems on a basis of information acquired from a wireless terminal device that selects one wireless communication system from among the plurality of wireless communication systems to perform wireless communication, and generates a selection policy indicating the priority order of the plurality of wireless communication systems, and a policy delivery unit that delivers the selection policy indicating the priority order of the plurality of wireless communication systems to the wireless terminal device. With this configuration, an optimal wireless communication system that maximizes the performance of each wireless terminal device can be selected while reducing the load and calculation time imposed on the control station device. ## Claims ### Claim 1 A control station device comprising: a processor; and a non-transitory storage medium having computer program instructions stored thereon, when executed by the processor, perform to: calculate a priority order of a plurality of wireless communication systems having different types of systems on a basis of information acquired from a wireless terminal device that selects one wireless communication system from among the plurality of wireless communication systems to perform wireless communication, and generate a selection policy indicating the priority order of the plurality of wireless communication systems; and deliver the selection policy indicating the priority order of the plurality of wireless communication systems to the wireless terminal device. ### Claim 2 (depends on 1) The control station device according to claim 1, wherein the computer program instructions further perform to acquire information related to wireless communication from the wireless terminal device, and calculate the priority order for selecting the wireless communication system suited to the wireless terminal device from among the plurality of wireless communication systems on a basis of the information related to wireless communication acquired from the wireless terminal device. ### Claim 3 (depends on 2) The control station device according to claim 2, wherein the computer program instructions further perform to analyze an image acquired from a camera that captures an image inside an area, manage an analysis result and the information related to wireless communication acquired from the wireless terminal device, and generate a selection policy indicating a priority order for the wireless terminal device to select one wireless communication system with which to perform wireless communication from among the plurality of wireless communication systems on a basis of the analysis result and the information related to wireless communication. ### Claim 4 (depends on 3) The control station device according to claim 3, wherein the computer program instructions further perform to extract events indicating a surrounding environment on a basis of the analysis result, and generate the priority order of the plurality of wireless communication systems inside the area for each event, and deliver information about the priority order to the wireless terminal device. ### Claim 5 (depends on 2) The control station device according to claim 2, wherein the priority order is generated on a basis of at least one of an average throughput, an average latency, or a minimum throughput. ### Claim 6 A wireless terminal device comprising: a processor; and a non-transitory storage medium having computer program instructions stored thereon, when executed by the processor, perform to: collect information related to wireless communication with a plurality of wireless communication systems, and transmits the collected information to a control station device; request, from the control station device, a selection policy indicating a priority order for selecting one wireless communication system with which to perform wireless communication from among the plurality of wireless communication systems; save the selection policy acquired from the control station device; and select one wireless communication system with which to perform wireless communication from among the plurality of wireless communication systems on a basis of the selection policy. ### Claim 7 (depends on 6) The wireless terminal device according to claim 6, further comprising a sensing unit that acquires information related to a position, a movement, and a surrounding environment of the wireless terminal device, and outputs a trigger signal to the policy request unit in a case where the information changes, wherein the computer program instructions further perform to transmit a request signal requesting the selection policy from the control station device in a case where the trigger signal is input from the sensing unit.