# US 11,112,485 B2 · Frequency hop based positioning measurement > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,112,485 B2 - Document ID: US11112485B2 - Status: Granted - Kind: B2 - Application number: 16/778,089 - Filed: 2020-01-31 - Published: 2020-05-28 - Granted: 2021-09-07 - Earliest claimed: 2020-01-31 - Assignees: Sony Group Corporation - Applicants: Sony Corporation - Inventors: Basuki Priyanto; Shin Horng Wong; Martin Beale - Web page: https://patentgrep.com/patent/US11112485B2 ## CPC - G01S 5/04: Position of source determined by a plurality of spaced direction-finders - G01S 5/021: {Calibration, monitoring or correction (G01S5/0252 takes precedence)} - G01S 5/0236: {Assistance data, e.g. base station almanac} - G01S 5/06: Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements (G01S5/12 takes precedence) - G01S 5/10: Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements {, e.g. omega or decca systems}(G01S5/12 takes precedence {; beacons and receivers cooperating therewith G01S1/306, G01S1/308}) - G01S 13/40: wherein the frequency of transmitted signal is adjusted to give a predetermined phase relationship - H04B 1/713: using frequency hopping - H04B 1/7143: Arrangements for generation of hop patterns - H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)} - H04W 64/003: {locating network equipment} - 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 - 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 Positioning reference signals are transmitted in a downlink direction from base stations (200) of a wireless communication network to a wireless communication device (100) or in an uplink direction from the wireless communication device (100) to base stations (200) of the wireless communication network. According to a frequency hop pattern, a radio interface of the wireless communication device is switched between multiple different frequency ranges. In this way, the wireless communication device (100) can receive the downlink positioning reference signals on multiple different frequencies defined by the frequency hop pattern or send the uplink positioning reference signals on multiple different frequencies defined by the frequency hop pattern. ## Claims ### Claim 1 A method of enabling position measurement for a wireless communication device, the method comprising: configuring a frequency hop pattern to be applied for switching a radio interface of the wireless communication device between multiple different frequency ranges to send uplink positioning reference signals on multiple different frequencies defined by the frequency hop pattern; receiving, by a base station of a wireless communications network, the uplink positioning reference signals from the wireless communication device; configuring further base stations of the wireless communications network to receive the uplink positioning references signals from the wireless communications device and to provide information derived from received uplink positioning reference signals to the base station; and by combined evaluation of received uplink positioning reference signals and the information provided by the further base stations, determining positioning information for the wireless communication device. ### Claim 2 (depends on 1) The method according to claim 1, wherein the wireless communication device configures the frequency hop pattern on the basis of configuration information received from the wireless communication network. ### Claim 3 (depends on 1) The method according to claim 1, wherein the base station sends configuration information indicating the frequency hop pattern to the wireless communication device. ### Claim 4 (depends on 1) The method according to claim 1, wherein the base station sends configuration information indicating the frequency hop pattern to the further base stations. ### Claim 5 (depends on 1) The method according to claim 1, wherein the frequency hop pattern defines a first frequency hop distance which is smaller than the maximum bandwidth supported by the radio interface and a second frequency hop distance which is larger than the maximum bandwidth supported by the radio interface. ### Claim 6 (depends on 1) The method according to claim 1, wherein the frequency hop pattern further defines a repetition pattern of the uplink positioning reference signals. ### Claim 7 (depends on 1) The method according to claim 1, wherein the uplink positioning reference signals are multiplexed on the basis of a frequency multiplexing scheme. ### Claim 8 (depends on 7) The method according to claim 7, wherein a frequency granularity for frequency division multiplexing of the uplink positioning reference signals is finer than a frequency granularity for frequency division multiplexing of wireless communication signals transmitted between the wireless communication device and the wireless communication network. ### Claim 9 (depends on 7) The method according to claim 7, wherein the multiplexing scheme comprises one or more of frequency division multiplexing, time division multiplexing, and code division multiplexing. ### Claim 10 (depends on 7) The method according to claim 7, wherein the uplink positioning reference signals and further uplink positioning reference signals transmitted by one or more other wireless communication devices are multiplexed on the basis of a multiplexing scheme comprising one or more of frequency division multiplexing, time division multiplexing, and code division multiplexing. ### Claim 11 (depends on 10) The method according to claim 10, wherein a frequency granularity for frequency division multiplexing of the uplink positioning reference signals and the further uplink positioning reference signals transmitted by further wireless communication devices is finer than a frequency granularity for frequency division multiplexing of wireless communication signals transmitted between the wireless communication device and the wireless communication network. ### Claim 12 (depends on 1) The method according to claim 1, further comprising: according to the frequency hop pattern, the wireless communication device switching the radio interface of the wireless communication device between the multiple different frequency ranges to send the uplink positioning reference signals on the multiple different frequencies defined by the frequency hop pattern. ### Claim 13 (depends on 1) The method according to claim 1, wherein the positioning information comprises a time-difference of arrival of the uplink positioning reference signals at multiple different base stations. ### Claim 14 (depends on 1) The method according to claim 1, wherein at least some of the multiple different frequencies are separated by more than a maximum bandwidth supported by the radio interface of the wireless communication device. ### Claim 15 A wireless communication device, comprising: a radio interface for connecting to a wireless communication network; and at least one processor, the at least one processor being configured to: configure a frequency hop pattern applied to the radio interface of the wireless communication device, wherein, based on the frequency hop pattern, the radio interface is controlled to switch between multiple different frequency ranges to send uplink positioning reference signals on the multiple different frequencies defined by the frequency hop pattern, wherein at least some of the multiple different frequencies are separated by more than a maximum bandwidth supported by the radio interface of the wireless communication device. ### Claim 16 A base station for a wireless communication network, the base station comprising: a radio interface for connecting to a wireless communication device; a network interface for connecting to further base stations of the wireless communication network; and at least one processor, the at least one processor being configured to: configure a frequency hop pattern for the radio interface, wherein, based on the frequency hop pattern, the radio interface is controlled between multiple different frequency ranges to receive uplink positioning reference signals communicated by the wireless communication device on the multiple different frequencies defined by the frequency hop pattern. ### Claim 17 (depends on 16) A system, comprising: a base station according to claim 16; and the wireless communication device. ### Claim 18 (depends on 16) The base station according to claim 16, wherein the at least one processor is further configured to: receive the uplink positioning reference signals from the wireless communication device; configure further base stations of the wireless communication network to receive the uplink positioning reference signals from the wireless communication device and provide information derived from the received uplink positioning reference signals to the base station; and by combined evaluation of the received uplink positioning reference signals and the information provided by the further base stations, determine positioning information for the wireless communication device. ### Claim 19 (depends on 18) The method according to claim 18, wherein the positioning information comprises a time-difference of arrival of the uplink positioning reference signals at multiple different base stations. ### Claim 20 (depends on 16) The base station according to claim 16, wherein at least some of the multiple different frequencies are separated by more than a maximum bandwidth supported by the radio interface of the wireless communication device.