# US 11,445,468 B2 · Electronic device and method for position determination using UWB signal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,445,468 B2 - Document ID: US11445468B2 - Status: Granted - Kind: B2 - Application number: 16/932,976 - Filed: 2020-07-20 - Published: 2021-03-11 - Granted: 2022-09-13 - Earliest claimed: 2019-09-09 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Yi Yang; Moonseok Kang; Hyunchul Kim; Jonghoon Jang; Sehwan Choi; Sukgi Hong - Web page: https://patentgrep.com/patent/US11445468B2 ## CPC - H04W 52/283: {Power depending on the position of the mobile} - G01S 3/50: the waves arriving at the antennas being pulse modulated and the time difference of their arrival being measured - H04W 4/029: Location-based management or tracking services - H04W 64/006: {with additional information processing, e.g. for direction or speed determination} - H04B 17/12: of transmit antennas, e.g. of the amplitude or phase - H04B 17/27: for locating or positioning the transmitter - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - 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 - H04B: TRANSMISSION ## Abstract Provided is an electronic device that may include: an ultra wide band (UWB) communication module; a plurality of antennas; and a processor operatively connected to the UWB communication module. The UWB communication module may be configured to: receive first data of an UWB data frame from an external electronic device by using a first antenna set including at least two antennas among the plurality of antennas to measure a first angle of arrival (AOA); receive second data of the UWB data frame by using a second antenna set including at least two antennas among the plurality of antennas to measure a second AOA, where the second antenna set is configured during a section of the UWB data frame that does not include data; and measure the direction of the external electronic device by using the first AOA and the second AOA. It is possible to provide various other embodiments. ## Claims ### Claim 1 An electronic device comprising: an ultra wide band (UWB) communication module; a plurality of antennas; and a processor operatively connected to the UWB communication module, wherein the UWB communication module is configured to: receive first data of an UWB data frame from an external electronic device by using a first antenna set including at least two antennas among the plurality of antennas to measure a first angle of arrival (AOA); receive second data of the UWB data frame by using a second antenna set including at least two antennas among the plurality of antennas to measure a second AOA, wherein the second antenna set is configured during a section of the UWB data frame that does not include data; receive third data of the UWB data frame by using a third antenna set including at least two antennas among the plurality of antennas to measure a third AOA, wherein the third antenna set is configured during another section of the UWB data frame that does not include data; measure a direction of the external electronic device by using the first AOA, the second AOA, and the third AOA; measure a distance between the electronic device and the external electronic device based on at least some of signals received through the first to third antenna sets; and discard the signal received by a common antenna when the distance between the electronic device and the external electronic device measured using a signal received by the common antenna belonging to the first through third antenna sets is out of a preset range. ### Claim 2 (depends on 1) The electronic device of claim 1, wherein when at least one of the plurality of antennas is not located on the same plane as other antennas, the UWB communication module is configured to measure an azimuth angle or an elevation angle of the external electronic device relative to the electronic device based on the first AOA, the second AOA, and the third AOA. ### Claim 3 (depends on 1) The electronic device of claim 1, wherein the UWB communication module is further configured to measure the distance between the electronic device and the external electronic device based on a signal having a highest magnitude among signals received through the first to third antenna sets. ### Claim 4 (depends on 1) The electronic device of claim 1, wherein when the plurality of antennas having received the first data, the second data, and the third data are located on the same plane, the first AOA, the second AOA, and the third AOA are each an AOA on a two-dimensional plane of the external electronic device relative to the electronic device. ### Claim 5 (depends on 1) The electronic device of claim 1, wherein the UWB communication module is further configured to determine a shortest distance to the external electronic device measured based on signals received by the first through third antenna sets as the distance between the electronic device and the external electronic device. ### Claim 6 A method for an electronic device to perform positioning, the method comprising: receiving first data of an UWB data frame from an external electronic device by using a first antenna set including at least two antennas among a plurality of antennas to measure a first angle of arrival (AOA); receiving second data of the UWB data frame by using a second antenna set including at least two antennas among the plurality of antennas to measure a second AOA, wherein the second antenna set is configured during a section of the UWB data frame that does not include data; receiving third data of the UWB data frame by using a third antenna set including at least two antennas among the plurality of antennas to measure a third AOA, wherein the third antenna set is configured during another section of the UWB data frame that does not include data; measuring a direction of the external electronic device by using the first AOA, the second AOA, and the third AOA; measuring a distance between the electronic device and the external electronic device based on at least some of signals received through the first to third antenna sets; and discarding a signal received by a common antenna when the distance between the electronic device and the external electronic device measured using the signal received by the common antenna belonging to the first through third antenna sets is out of a preset range. ### Claim 7 (depends on 6) The method of claim 6, further comprising: measuring, when at least one of the plurality of antennas is not located on the same plane as other antennas, an azimuth angle or an elevation angle of the external electronic device relative to the electronic device based on the first AOA, the second AOA, and the third AOA. ### Claim 8 (depends on 6) The method of claim 6, wherein the distance between the electronic device and the external electronic device is measured based on a signal having a highest magnitude among signals received through the first to third antenna sets. ### Claim 9 (depends on 6) The method of claim 6, wherein when the plurality of antennas having received the first data, the second data, and the third data are located on the same plane, the first AOA, the second AOA, and the third AOA are each an AOA on a two-dimensional plane of the external electronic device relative to the electronic device. ### Claim 10 (depends on 6) The method of claim 6, wherein a shortest distance to the external electronic device measured based on signals received by the first through third antenna sets is determined as the distance between the electronic device and the external electronic device.