# US 10,321,389 B2 · Network searching > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,321,389 B2 - Document ID: US10321389B2 - Status: Granted - Kind: B2 - Application number: 15/514,314 - Filed: 2014-09-25 - Published: 2017-09-28 - Granted: 2019-06-11 - Earliest claimed: 2014-09-25 - Assignees: Telefonaktiebolaget LM Ericsson (publ) - Applicants: Telefonaktiebolaget LM Ericsson (publ) - Inventors: Joakim Axmon; Marten Akerman; Ali Nader - Web page: https://patentgrep.com/patent/US10321389B2 ## CPC - H04W 48/16: Discovering, processing access restriction or access information - H04W 16/18: Network planning tools - H04W 48/14: using user query {or user detection} - H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A mobile RF communication device configured for dual SIM operation and configured to send a request for search data relevant to the second SIM module to a server, said request including an identifier for a first cell associated with the first operator; receive a response from said server, said response including a correlation for said first cell and search data for a second cell associated with the second operator, the search data including an identifier for the second cell; and adapt a network searching strategy for the second RF modem based on the correlated search data. ## Claims ### Claim 1 A mobile RF communication device comprising: a radio frequency communications interface; and a controller, wherein said radio frequency communications interface comprises: at least a first RF modem connected to a first SIM module configured for receiving a first SIM card associated with a first operator and a second RF modem connected to a second SIM module configured for receiving a second SIM card associated with a second operator, wherein said mobile RF communication device is configured for dual SIM operation and wherein said controller is configured to: send a request for search data relevant to the second SIM module to a server, said request including an identifier for a first cell associated with the first operator; receive a response from said server, said response including correlated search data comprising information about one or more other cells associated with the second operator, wherein inclusion of the information about each of said one or more other cells in the response is based on a correlation between each of said one or more other cells and said first cell, and the information includes search data for said one or more other cells; and when the correlated search data comprises an identifier for a second cell associated with the second operator, respond by adapting a network searching strategy for the second RF modem based on the correlated search data. ### Claim 2 (depends on 1) The mobile RF communication device according to claim 1, wherein the controller is further configured to send the request through radio frequency interface. ### Claim 3 (depends on 1) The mobile RF communication device according to claim 1, wherein the first cell is a cell that the radio frequency communications interface is currently connected to through the first RF modem. ### Claim 4 (depends on 1) The mobile RF communication device according to claim 1, wherein the correlated search data includes a frequency to be searched for a correlated second cell. ### Claim 5 (depends on 1) The mobile RF communication device according to claim 1, wherein said controller is further configured to determine that the response does not contain any information about correlated other cells and if so, adapt the network searching strategy by postponing a search and transmit a second request to said server. ### Claim 6 (depends on 1) The mobile RF communication device according to claim 1, wherein said controller is further configured to send a report to said server, the report including an identifier for the first cell associated with the first operator and an identifier for the second cell associated with the second operator and search data associated with the second cell, causing the server to store a correlation between said first cell and said second cell and the search data associated with the second cell. ### Claim 7 (depends on 6) The mobile RF communication device according to claim 6, wherein said controller is further configured to receive a prompt from the server and in response thereto send the report. ### Claim 8 (depends on 6) The mobile RF communication device according to claim 6, wherein the controller is further configured to send the report through radio frequency interface. ### Claim 9 (depends on 1) The mobile RF communication device according to claim 1, further comprising a server application for storing a correlation between said first cell and said second cell, wherein the server application is configured to: receive a report, the report including an identifier for said first cell and search data associated with the second cell, and cause storage of the search data associated with the second cell as a correlation to the identifier for said first cell, wherein the first cell is associated with a first operator and the second cell is associated with a second operator. ### Claim 10 A method for use in a mobile RF communication device comprising a radio frequency communications interface and a controller, said radio frequency communications interface comprising at least a first RF modem connected to a first SIM module configured for receiving a first SIM card associated with a first operator and a second RF modem connected to a second SIM module configured for receiving a second SIM card associated with a second operator, wherein said mobile RF communication device is configured for dual SIM operation and wherein said method comprises: sending a request for search data relevant to the second SIM module to a server, said request including an identifier for a first cell associated with the first operator; receiving a response from said server, said response including correlated search data comprising information about one or more other cells associated with the second operator, wherein inclusion of the information about each of said one or more other cells in the response is based on a correlation between each of said one or more other cells and said first cell, and the information includes search data for said one or more other cells; and when the correlated search data comprises an identifier for a second cell associated with the second operator, responding by adapting a network searching strategy for the second RF modem based on the correlated search data. ### Claim 11 A server for storing a correlation between a first cell associated with a first operator and a second cell associated with a second operator, wherein the server comprises a memory configured for said storing and a controller, wherein said controller is configured to: receive a report from a mobile RF communication device configured for dual SIM operation, the report including an identifier for said first cell and search data associated with the second cell, and cause storage of the search data associated with the second cell as correlated search data related to the identifier for said first cell, wherein the first cell is associated with a first operator and the second cell is associated with a second operator, wherein said controller is further configured to: receive a request from a mobile RF communication device, said request including an identifier for the first cell; retrieve the correlated search data associated with the second cell; and send a response to the mobile RF communication device, the response including the correlated search data associated with the second cell, the search data including an identifier for the second cell. ### Claim 12 (depends on 11) The server according to claim 11, wherein said controller is further configured to send a prompt to the mobile RF communication device prompting said mobile RF communication device for a report. ### Claim 13 (depends on 11) The server according to claim 11, wherein said controller is further configured to determine the solidity of the report by comparing an identifier of the mobile RF communication device to a list of mobile RF communication devices. ### Claim 14 (depends on 11) The server according to claim 11, wherein said controller is further configured to determine the solidity of the report by determining if any of the identifiers included in the report or associated information is within normal ranges, such as normal operating parameters or within parameters received in previous reports. ### Claim 15 (depends on 11) The server according to claim 11, wherein said controller is further configured to determine that the report is within an error margin of previously received reports and if so, store the search data associated with the second cell as a correlation to the identifier for said first cell. ### Claim 16 (depends on 11) The server according to claim 11, wherein a functionality of the server is implemented as an application in a mobile RF communications device. ### Claim 17 A method for use in a server for storing a correlation between said first cell associated with a first operator and said second cell associated with a second operator, wherein the server comprises a memory configured for said storing and a controller, wherein the method comprises: receiving a report from a mobile RF communication device configured for dual SIM operation, the report including an identifier for said first cell and an identifier for said second cell; and storing the search data associated with the second cell as correlated search data related to the identifier for said first cell, wherein the first cell is associated with a first operator and the second cell is associated with a second operator, wherein the method further comprises: receiving a request from a mobile RF communication device, said request including an identifier for the first cell; retrieving the correlated search data associated with the second cell; and sending a response to the mobile RF communication device, the response including the correlated search data associated with the second cell, the search data including an identifier for the second cell. ### Claim 18 A nontransitory computer readable storage medium encoded with instructions that, when loaded and executed on a processor, causes the processor to perform a method for use in a mobile RF communication device comprising a radio frequency communications interface and a controller, said radio frequency communications interface comprising at least a first RF modem connected to a first SIM module configured for receiving a first SIM card associated with a first operator and a second RF modem connected to a second SIM module configured for receiving a second SIM card associated with a second operator, wherein said mobile RF communication device is configured for dual SIM operation and wherein said method comprises: sending a request for search data relevant to the second SIM module to a server, said request including an identifier for a first cell associated with the first operator; receiving a response from said server, said response including correlated search data comprising information about one or more other cells associated with the second operator, wherein inclusion of the information about each of said one or more other cells in the response is based on a correlation between each of said one or more other cells and said first cell, and the information includes search data for said one or more other cells; and when the correlated search data comprises an identifier for a second cell associated with the second operator, responding by adapting a network searching strategy for the second RF modem based on the correlated search data.