# US 11,310,339 B2 · Selecting a positioning technique based on the accuracy > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,310,339 B2 - Document ID: US11310339B2 - Status: Granted - Kind: B2 - Application number: 16/967,055 - Filed: 2019-02-05 - Published: 2021-02-11 - Granted: 2022-04-19 - Earliest claimed: 2018-02-05 - Assignees: Sony Network Communications Europe B.V. - Applicants: Sony Network Communications Europe B.V. - Inventors: Thomas Fänge; Mattias Falk; Hannes Bergkvist - Web page: https://patentgrep.com/patent/US11310339B2 ## CPC - G01S 5/01: {Determining conditions which influence positioning, e.g. radio environment, state of motion or energy consumption} - G01S 5/019: {Energy consumption} - G01S 5/0244: {Accuracy or reliability of position solution or of measurements contributing thereto} - G01S 5/0263: {by combining or switching between positions derived from two or more separate positioning systems} - H04L 67/306: User profiles - H04W 4/029: Location-based management or tracking services - G01S 5/0252: {Radio frequency fingerprinting} - G01S 2205/01: specially adapted for specific applications - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - 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) ## Abstract A method includes obtaining a benchmark of an accuracy of at least one of a direct positioning technique or an indirect positioning technique for positioning of a mobile device. The method also includes, depending on the benchmark, selecting between positioning of the mobile device using the direct positioning technique and the indirect positioning technique. ## Claims ### Claim 1 A method, comprising: obtaining a benchmark of an accuracy of at least one of a direct positioning technique or an indirect positioning technique for positioning of a mobile device; obtaining first reference position data for the mobile device using a further direct positioning technique; obtaining second reference position data for the mobile device using the indirect positioning technique; comparing the first reference position data and the second reference position data to obtain the benchmark of the indirect positioning technique; and depending on the benchmark, selecting between positioning of the mobile device using the direct positioning technique or the indirect positioning technique, wherein the further direct positioning technique has a higher nominal accuracy than the direct positioning technique. ### Claim 2 (depends on 1) The method of claim 1, wherein the first reference position data is obtained for the mobile device at a first repetition rate, wherein the second reference position data is obtained for the mobile device at a second repetition rate, and wherein the first repetition rate is less than the second repetition rate. ### Claim 3 (depends on 1) The method of claim 1, further comprising: updating an entry of a location repository of the indirect positioning technique based on the first reference position data. ### Claim 4 (depends on 1) The method of claim 1, further comprising: determining at least one of a trust level or a freshness of an entry of a location repository of the indirect positioning technique to obtain the benchmark. ### Claim 5 (depends on 1) The method of claim 1, wherein said selecting between positioning of the mobile device using the direct positioning technique and the indirect positioning technique further depends on a location of the mobile device. ### Claim 6 (depends on 1) The method of claim 1, wherein said selecting between positioning of the mobile device using the direct positioning technique or the indirect positioning technique further depends on a state of charge of a battery of the mobile device. ### Claim 7 (depends on 1) The method of claim 1, wherein the indirect positioning technique uses measurements of an environmental topology for comparison with entries of a location repository comprising predetermined measurements or models of the environmental topology. ### Claim 8 (depends on 1) The method of claim 1, wherein the indirect positioning technique is selected from a group comprising Simultaneous Localization and Mapping (SLAM) and fingerprinting. ### Claim 9 (depends on 1) The method of claim 1, wherein the direct positioning technique uses ab-initio positioning measurements selected from a group comprising time-of-flight, pathloss, and angle-of-arrival. ### Claim 10 (depends on 1) The method of claim 1, wherein the direct positioning technique uses a technology selected from a group comprising Bluetooth low-energy, ultra-wideband, and WiFi. ### Claim 11 A method, comprising: obtaining a benchmark of an accuracy of at least one of a direct positioning technique or an indirect positioning technique for positioning of a mobile device; obtaining first reference position data for the mobile device using a further direct positioning technique; obtaining second reference position data for the mobile device using the indirect positioning technique; comparing the first reference position data and the second reference position data to obtain the benchmark of the indirect positioning technique; and depending on the benchmark, selecting between positioning of the mobile device using the direct positioning technique or the indirect positioning technique, wherein the first reference position data is obtained based on positioning measurements taken by at least one further mobile device located in proximity of the mobile device. ### Claim 12 A device comprising control circuitry configured to perform operations comprising: obtaining a benchmark of an accuracy of at least one of a direct positioning technique or an indirect positioning technique for positioning of a mobile device, obtaining first reference position data for the mobile device using a further direct positioning technique; obtaining second reference position data for the mobile device using the indirect positioning technique; comparing the first reference position data and the second reference position data to obtain the benchmark of the indirect positioning technique; updating an entry of a location repository of the indirect positioning technique based on the first reference position data; and depending on the benchmark, selecting between positioning of the mobile device using the direct positioning technique or the indirect positioning technique.