# US 12,225,630 B2 · Minimum positioning reference signal (PRS) processing when measurement gaps are not configured > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,225,630 B2 - Document ID: US12225630B2 - Status: Granted - Kind: B2 - Application number: 18/336,607 - Filed: 2023-06-16 - Published: 2023-10-19 - Granted: 2025-02-11 - Earliest claimed: 2020-04-28 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Alexandros Manolakos; Arash Mirbagheri; Guttorm Ringstad Opshaug - Web page: https://patentgrep.com/patent/US12225630B2 ## CPC - G01S 5/0236: {Assistance data, e.g. base station almanac} - H04W 8/24: Transfer of terminal data - 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)} - H04L 5/0051: {of dedicated pilots, i.e. pilots destined for a single user or terminal} - H04L 5/0091: {Signalling for the administration of the divided path, e.g. signalling of configuration information} - H04L 27/26025: {Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking (allocating sub-channels of the transmission path H04L5/003)} - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04L 27/2613: {Structure of the reference signals} - 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 - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) transmits, to a network entity, one or more capability messages indicating one or more capabilities of the UE to process positioning reference signals (PRS), the one or more capabilities indicating at least a duration of PRS that the UE can process within a measurement window without a measurement gap, and performs one or more positioning measurements of one or more PRS resources during the measurement window up to the duration of PRS. ## Claims ### Claim 1 A method of wireless communication performed by a user equipment (UE), comprising: transmitting, to a network entity, one or more capability messages indicating one or more capabilities of the UE to process positioning reference signals (PRS), wherein the one or more capabilities indicate at least a duration of PRS that the UE can process within a measurement window without a measurement gap, wherein the one or more capabilities indicate a minimum gap between a last repetition of a last PRS resource of a PRS instance and an end of the measurement window, and wherein the UE is not expected to process PRS resources that are closer than the minimum gap to the end of the measurement window; and performing one or more positioning measurements of one or more PRS resources during the measurement window up to the duration of PRS. ### Claim 2 (depends on 1) The method of claim 1, wherein: the duration of PRS is related to a PRS instance length, and the measurement window is related to a PRS periodicity. ### Claim 3 (depends on 2) The method of claim 2, wherein a ratio of the PRS instance length to the PRS periodicity is equal to a ratio of a measurement gap length to a measurement gap repetition periodicity that the UE can support when measurement gaps are configured. ### Claim 4 (depends on 2) The method of claim 2, wherein the one or more capabilities further indicate the PRS instance length and the PRS periodicity that the UE can process with a measurement gap. ### Claim 5 (depends on 2) The method of claim 2, wherein a ratio of the PRS instance length to the PRS periodicity is a factor of a ratio of a measurement gap length to a measurement gap repetition periodicity. ### Claim 6 (depends on 1) The method of claim 1, wherein the last repetition of the last PRS resource of the PRS instance and a first repetition of a first PRS resource of a subsequent PRS instance are on the same frequency layer. ### Claim 7 (depends on 1) The method of claim 1, wherein the last repetition of the last PRS resource of the PRS instance and a first repetition of a first PRS resource of a subsequent PRS instance are on different frequency layers. ### Claim 8 (depends on 1) The method of claim 1, wherein the minimum gap depends on a subcarrier spacing or slot duration of the last repetition of the last PRS resource of the PRS instance and the first repetition of the first PRS resource of the subsequent PRS instance. ### Claim 9 (depends on 1) The method of claim 1, wherein the minimum gap equals a ratio of a measurement gap length to a measurement gap repetition periodicity. ### Claim 10 (depends on 1) The method of claim 1, wherein: the duration of PRS is indicated as a number of PRS resources, and the measurement window is a slot. ### Claim 11 (depends on 10) The method of claim 10, wherein a minimum of the number of PRS resources within the slot is based on a subcarrier spacing of the slot. ### Claim 12 (depends on 11) The method of claim 11, wherein the minimum of the number of PRS resources within the slot comprises: 16 PRS resources for 15 kilohertz (kHz) subcarrier spacing, 8 PRS resources for 30 kHz subcarrier spacing, 4 PRS resources for 60 kHz subcarrier spacing, and 2 PRS resources for 120 kHz subcarrier spacing. ### Claim 13 (depends on 11) The method of claim 11, wherein the minimum of the number of PRS resources within the slot comprises: 16 PRS resources for frequency range 1 (FR1), and 2 PRS resources for frequency range 2 (FR2). ### Claim 14 (depends on 10) The method of claim 10, wherein a minimum of the number of PRS resources within the slot is smaller than the number of PRS resources within the slot that the UE can support when measurement gaps are configured. ### Claim 15 (depends on 1) The method of claim 1, wherein: the duration of PRS is indicated as a number of PRS symbols ‘N,’ and the measurement window is indicated as a number of milliseconds ‘T’. ### Claim 16 (depends on 15) The method of claim 15, wherein a minimum of the number of PRS symbols ‘N’ is equal to a smallest measurement gap length the UE can support. ### Claim 17 (depends on 15) The method of claim 15, wherein a minimum of the number of PRS symbols ‘N’ is equal to a largest measurement gap length the UE can support. ### Claim 18 (depends on 17) The method of claim 17, wherein the minimum of the number of PRS symbols ‘N’ is based on whether the PRS are in FR1 or FR2. ### Claim 19 (depends on 15) The method of claim 15, wherein the number of milliseconds ‘T’ is equal to a smallest measurement gap repetition periodicity larger than a second number of milliseconds ‘T’ the UE supports when measurement gaps are supported. ### Claim 20 (depends on 15) The method of claim 15, wherein the number of milliseconds ‘T’ is equal to a first measurement gap repetition periodicity for FR1 or a second measurement gap repetition periodicity for FR2. ### Claim 21 (depends on 15) The method of claim 15, wherein the number of milliseconds ‘T’ is equal to a largest measurement gap repetition periodicity that the UE supports for FR1 or FR2. ### Claim 22 (depends on 15) The method of claim 15, wherein the number of milliseconds ‘T’ is equal to a largest measurement gap repetition periodicity that the UE supports. ### Claim 23 (depends on 15) The method of claim 15, wherein: the number of PRS symbols ‘N’ is equal to a measurement gap length, and the number of milliseconds ‘T’ is equal to a measurement gap repetition periodicity. ### Claim 24 (depends on 23) The method of claim 23, wherein the measurement gap length and the measurement gap repetition periodicity are based on whether the PRS are in FR1 or FR2. ### Claim 25 (depends on 15) The method of claim 15, wherein: values of ‘N’ are selected from a set of {0.125, 0.25, 0.5, 1, 2, 4, 8, 12, 16, 20, 25, 30, 35, 40, 45, 50} ms, and values of ‘T’ are selected from a set of {8, 16, 20, 30, 40, 80, 160, 320, 640, 1280} ms. ### Claim 26 (depends on 1) The method of claim 1, wherein a maximum bandwidth supported by the UE when measurement gaps are not configured is the same as when measurement gaps are configured. ### Claim 27 (depends on 1) The method of claim 1, wherein: the network entity is a location server, and the one or more capability messages comprise one or more Long-Term Evolution (LTE) positioning protocol (LPP) messages. ### Claim 28 (depends on 1) The method of claim 1, wherein: the network entity is a serving base station, and the one or more capability messages comprise one or more radio resource control (RRC) messages, one or more medium access control control elements (MAC-CEs), or uplink control information. ### Claim 29 A user equipment (UE), comprising: one or more memories; one or more transceivers; and one or more processors communicatively coupled to the one or more memories and the one or more transceivers, the one or more processors, either alone or in combination, configured to: transmit, via the one or more transceivers, to a network entity, one or more capability messages indicating one or more capabilities of the UE to process positioning reference signals (PRS), wherein the one or more capabilities indicate at least a duration of PRS that the UE can process within a measurement window without a measurement gap, wherein the one or more capabilities indicate a minimum gap between a last repetition of a last PRS resource of a PRS instance and an end of the measurement window, and wherein the UE is not expected to process PRS resources that are closer than the minimum gap to the end of the measurement window; and perform one or more positioning measurements of one or more PRS resources during the measurement window up to the duration of PRS. ### Claim 30 A user equipment (UE), comprising: means for transmitting, to a network entity, one or more capability messages indicating one or more capabilities of the UE to process positioning reference signals (PRS), wherein the one or more capabilities indicate at least a duration of PRS that the UE can process within a measurement window without a measurement gap, wherein the one or more capabilities indicate a minimum gap between a last repetition of a last PRS resource of a PRS instance and an end of the measurement window, and wherein the UE is not expected to process PRS resources that are closer than the minimum gap to the end of the measurement window; and means for performing one or more positioning measurements of one or more PRS resources during the measurement window up to the duration of PRS. ### Claim 31 A non-transitory computer-readable medium storing computer-executable instructions that, when executed by a user equipment (UE), cause the UE to: transmit, to a network entity, one or more capability messages indicating one or more capabilities of the UE to process positioning reference signals (PRS), wherein the one or more capabilities indicate at least a duration of PRS that the UE can process within a measurement window without a measurement gap, wherein the one or more capabilities indicate a minimum gap between a last repetition of a last PRS resource of a PRS instance and an end of the measurement window, and wherein the UE is not expected to process PRS resources that are closer than the minimum gap to the end of the measurement window; and perform one or more positioning measurements of one or more PRS resources during the measurement window up to the duration of PRS.