# US 2016/0366606 A1 · Method, system, and apparatus of range measurement in a wireless network > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2016/0366606 A1 - Document ID: US20160366606A1 - Status: Published application - Kind: A1 - Application number: 14/736,522 - Filed: 2015-06-11 - Published: 2016-12-15 - Earliest claimed: 2015-06-11 - Assignees: Intel IP Corporation - Applicants: Intel IP Corporation - Inventors: Itai Steiner - Web page: https://patentgrep.com/patent/US20160366606A1 ## CPC - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - G01S 5/017: {Detecting state or type of motion} - G01S 13/765: {with exchange of information between interrogator and responder} - H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)} - H04W 24/02: Arrangements for optimising operational condition - H04W 84/12: WLAN [Wireless Local Area Networks] - 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 - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract An apparatus to transmit a fine timing measurements (FTM) request from a first station to a second station. The FTM request including a request for suspending FTM measurements, if a threshold of movement has not been crossed since a last FTM measurement by the second station. The second station transmits in response to the FTM request a response including a motion indication of the second station. ## Claims ### Claim 1 A apparatus comprising circuitry to cause a first station to: transmit a fine timing measurements (FTM) request to a second station, the FTM request comprises a request to suspend FTM measurements when a motion threshold has not been crossed since a last FTM measurement by the second station; process a received acknowledgment (ACK) from the second station in response to the FTM request; and process a received FTM frame from the second station, the FTM frame comprising a motion detection field to indicate a motion state of the second station. ### Claim 2 (depends on 1) The apparatus of claim 1 being configured to cause the first station to: suspend the FTM measurements when the motion detection field is to indicate a non-motion state of the second station since the last FTM measurement. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the FTM request comprises a motion threshold field, the motion threshold field comprising the motion threshold. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein the motion threshold is a distance threshold. ### Claim 5 (depends on 1) The apparatus of claim 1, wherein the FTM request comprises a suspend FTM request field, the suspend FTM request field comprises an indication of the request to suspend FTM measurements. ### Claim 6 (depends on 1) The apparatus of claim 1 being configured to cause the first station to: determine a motion of the second station at a negotiation stage of the FTM procedure. ### Claim 7 (depends on 1) The apparatus of claim 1 being configured to cause the first station to: perform a measurement stage of the FTM procedure when the motion indication indicates that the second station moved since the last FTM measurement. ### Claim 8 (depends on 1) The apparatus of claim 1 being configured to cause the first station to: perform a measurement stage of the FTM procedure when the first station is stationary and the second station is moving. ### Claim 9 (depends on 1) The apparatus of claim 1 being configured to cause the first station to: perform a measurement stage of the FTM procedure if both the first station and the second station are moving. ### Claim 10 (depends on 1) The apparatus of claim 1, wherein the first station is configured to operate as an initiator. ### Claim 11 (depends on 1) The apparatus of claim 1 comprising: a system on chip (SoC) circuitry operably coupled to a radio circuitry; a motion detector operably coupled to the SoC; a memory operably coupled to the SoC; an antenna port operably coupled to the radio circuitry; and at least one antenna operably coupled to the antenna port. ### Claim 12 An apparatus comprising circuitry to cause a first station to: process a received fine timing measurements (FTM) request from a second station, the FTM request comprises a request to suspend FTM measurements when a motion threshold has not been crossed since a last FTM measurement by the first station; send an acknowledgment (ACK) to the second station in response to the FTM request; and send an FTM response frame to the second station, the FTM response frame comprising a motion detection field to indicate a motion state of the first station. ### Claim 13 (depends on 12) The apparatus of claim 12 being configured to caused the first station to: suspend the FTM measurements when the motion detection field is to indicate a non-motion state of the second station since the last FTM measurement. ### Claim 14 (depends on 12) The apparatus of claim 12, wherein the FTM request comprises a motion threshold field, the motion threshold field comprising the motion threshold. ### Claim 15 (depends on 12) The apparatus of claim 12, wherein the motion threshold is a distance threshold. ### Claim 16 (depends on 12) The apparatus of claim 12, wherein the FTM request comprises a suspend FTM request field, the suspend FTM request field comprises an indication of the request to suspend FTM measurements. ### Claim 17 (depends on 12) The apparatus of claim 12 being configured to cause the first station to: determine a motion of the second station at a negotiation stage of the FTM procedure. ### Claim 18 (depends on 12) The apparatus of claim 12 being configured to cause the first station to: perform a measurement stage of the FTM procedure when the first station moves since the last FTM measurement. ### Claim 19 (depends on 12) The apparatus of claim 12, wherein the first station is configured to operate as a responder. ### Claim 20 (depends on 12) The apparatus of claim 12, wherein the first station comprises a movement detector. ### Claim 21 A computer program product comprising one or more tangible computer readable non-transitory storage media comprising computer-executable instructions operable to, when executed by at least one computer processor to result in: processing a fine timing measurements (FTM) request to be transmitted to a second station, the FTM request comprises a suspend FTM request field and a motion threshold field; processing an acknowledgment (ACK) received from the second station in response to the FTM request; processing a received FTM frame from the second station, the FTM frame comprising a motion detection field to indicate a motion of the second station; and suspending FTM measurements when the motion detection field is to indicate a non-motion state of the second station since the last FTM measurement. ### Claim 22 (depends on 21) The computer program product of claim 21, wherein the motion threshold is a distance threshold. ### Claim 23 (depends on 21) The computer program product of claim 21, wherein the suspend FTM request field comprises an indication of the request to suspend FTM measurements. ### Claim 24 (depends on 21) The computer program product of claim 21, wherein the instructions when executed result in: determining a motion of the second station at a negation stage of the FTM procedure. ### Claim 25 (depends on 21) The computer program product of claim 21, wherein the instructions when executed result in: performing a measurement stage of the FTM procedure if the second station moved since the last FTM measurement.