# US 2020/0404454 A1 · Electronic device for determining location information of external device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0404454 A1 - Document ID: US20200404454A1 - Status: Published application - Kind: A1 - Application number: 16/906,428 - Filed: 2020-06-19 - Published: 2020-12-24 - Earliest claimed: 2019-06-19 - Assignees: Samsung Electronics Co., Ltd.; Solum Co., Ltd. - Applicants: Samsung Electronics Co., Ltd.; Solum Co., Ltd. - Inventors: Jungho AHN; Hyunsuk LEE - Web page: https://patentgrep.com/patent/US20200404454A1 ## CPC - H04W 4/029: Location-based management or tracking services - G01R 33/07: Hall effect devices - G01S 5/015: {between indoor and outdoor environments} - G01S 5/016: {between areas within a building} - G01S 5/14: Determining absolute distances from a plurality of spaced points of known location - G01S 11/02: using radio waves (G01S19/00 takes precedence) - G01S 13/765: {with exchange of information between interrogator and responder} - H04B 1/7163: using impulse radio - G01R 33/072: {Constructional adaptation of the sensor to specific applications} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12) - 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 The disclosure relates to an electronic device, which is secured at a designated location, for determining a location area or a location area change of a movable external electronic device or, and an operating method thereof. An operating method of an electronic device including at least one antenna according to various embodiments of the disclosure may include: detecting that a state of a structure is changed from an open state to a close state, counting a sequence number from a first timing at which the state of the structure is changed to the close state to a second timing after a designated time based on information received from an external device via the at least one antenna using a designated communication scheme, determining location information of the external device based on the sequence number, and performing a designated function, based at least in part on the determined location information. ## Claims ### Claim 1 An electronic device comprising: a sensor module including at least one sensor configured to detect a state change of a structure; a communication interface including at least one antenna and configured to communicate with an external device using a designated communication scheme; at least one processor operatively coupled with the sensor module and the communication interface; and at least one memory operatively coupled with the at least one processor, wherein the at least one memory stores instructions which, when executed, cause the at least one processor to: based on a change of sensing data of the sensor module, detect that a state of the structure is changed from an open state to a close state, count a sequence number from a first timing at which the state of the structure is changed to the close state to a second timing after a designated time based on information received from the external device using the designated communication scheme, determine a location area of the external device based on a difference of a sequence number corresponding to the first timing and a sequence number corresponding to the second timing in the counted sequence number, and perform a designated function based at least in part on the determining. ### Claim 2 (depends on 1) The electronic device of claim 1, wherein, the electronic device is located in a first area among the first area and a second area defined by the structure. ### Claim 3 (depends on 2) The electronic device of claim 2, wherein the instructions, when executed, cause the at least one processor to: as at least part of determining the location area of the external device based on the difference, based on the difference falling within a first range, determine the location area of the external device to be the first area, and based on the difference falling within a second range different from the first range, determine the location area of the external device to be the second area. ### Claim 4 (depends on 3) The electronic device of claim 3, wherein the first range is determined based on a first threshold, and the first threshold is determined based on a setting value related to the designated time and the designated communication scheme. ### Claim 5 An electronic device comprising: a sensor module including at least one sensor configured to detect a state change of a structure; a communication interface including a first antenna and a second antenna and configured to communicate with an external device using a designated communication scheme; at least one processor operatively coupled with the sensor module and the communication interface; and at least one one memory operatively coupled with the at least one processor, wherein the at least one memory stores instructions which, when executed, cause the at least one processor to: based on a change of sensing data of the sensor module, detect that a state of the structure is changed from an open state to a close state, count a first sequence number from a first timing at which the state of the structure is changed to the close state to a second timing after a designated time based on information received from the external device via the first antenna using the designated communication scheme, count a second sequence number from the first timing at which the state of the structure is changed to the close state to the second timing after the designated time based on information received from the external device via the second antenna using the designated communication scheme, determine a location area change of the external device based on a difference of a sequence number corresponding to the second timing of the first sequence number and a sequence number corresponding to the second timing of the second sequence number, and perform a designated function based at least in part on the determining. ### Claim 6 (depends on 5) The electronic device of claim 5, wherein the designated communicate scheme comprises an ultra-wideband (UWB) communication scheme. ### Claim 7 (depends on 5) The electronic device of claim 5, wherein the sensor comprises a Hall sensor configured to sense a change of a magnetic field of an external sensor device. ### Claim 8 (depends on 7) The electronic device of claim 7, wherein the external sensor device is attached to the structure. ### Claim 9 (depends on 5) The electronic device of claim 5, wherein the at least one processor is included in the communication interface. ### Claim 10 (depends on 5) The electronic device of claim 5, wherein, the electronic device is located in a first area among the first area and a second area defined by the structure. ### Claim 11 (depends on 10) The electronic device of claim 10, wherein the instructions, when executed, cause the at least one processor to: as at least part of determining the location area change based on the difference, based on the difference falling within a third range, determine that the location area is changed from the first area to the second area, and based on the difference falling within a fourth range different from the third range, determine that the location area is changed from the second area to the first area. ### Claim 12 (depends on 11) The electronic device of claim 11, wherein the third range corresponds to a designated error range in a second threshold, and the second threshold is zero. ### Claim 13 (depends on 11) The electronic device of claim 11, further comprising: a display operatively coupled with the processor, wherein the instructions, when executed, cause the at least one processor to: based on the difference not falling within the third range and the fourth range, control the display to display a notification that the change of the location area is not determined. ### Claim 14 (depends on 11) The electronic device of claim 11, wherein the instructions, when executed, cause the at least one processor to: as at least part of determining that the location area is changed from the first area to the second area, determine that the location area is changed from the first area to the second area, further based on at least one of a difference of a sequence number corresponding to the first timing and a sequence number corresponding to the second timing in the first sequence number or a difference of a sequence number corresponding to the first timing and a sequence number corresponding to the second timing in the second sequence number, and the instructions, when executed, cause the at least one processor to: as at least part of determining that the location area is changed from the second area to the first area, determine that the location area is changed from the second area to the first area, further based on at least one of a difference of a sequence number corresponding to the first timing and a sequence number corresponding to the second timing in the first sequence number or a difference of a sequence number corresponding to the first timing and a sequence number corresponding to the second timing in the second sequence number. ### Claim 15 A method of operating an electronic device comprising at least one antenna, the method comprising: detecting that a state of a structure is changed from an open state to a close state; counting a sequence number from a first timing at which the state of the structure is changed to the close state to a second timing after a designated time based on information received from an external device via the at least one antenna using a designated communication scheme; determining location information of the external device based on the sequence number; and performing a designated function based at least in part on the determined location information. ### Claim 16 (depends on 15) The method of claim 15, wherein the location information comprises location area information of the external device. ### Claim 17 (depends on 16) The method of claim 16, wherein determining the location area information of the external device comprises: determining the location area information of the external device based on a difference of a sequence number corresponding to the first timing and a sequence number corresponding to the second timing in the counted sequence number. ### Claim 18 (depends on 15) The method of claim 15, wherein counting the sequence number comprises: counting a first sequence number based on information received from the external device via a first antenna of the at least one antenna using the designated communication scheme; and counting a second sequence number based on information received from the external device via a second antenna different from the first antenna of the at least one antenna using the designated communication scheme. ### Claim 19 (depends on 18) The method of claim 18, wherein the location information comprises location area change information of the external device. ### Claim 20 (depends on 19) The method of claim 19, wherein determining the location area change information of the external device comprises: determining the location area change information of the external device based on a difference of a sequence number corresponding to the second timing of the first sequence number and a sequence number corresponding to the second timing of the second sequence number.