# US 12,113,724 B2 · Method and apparatus for providing a positional reference signal in a mobile communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,113,724 B2 - Document ID: US12113724B2 - Status: Granted - Kind: B2 - Application number: 17/250,556 - Filed: 2019-08-01 - Published: 2021-06-10 - Granted: 2024-10-08 - Earliest claimed: 2018-08-02 - Applicants: Samsung Electronics Co., Ltd. - Inventors: Yinan Qi - Web page: https://patentgrep.com/patent/US12113724B2 ## CPC - H04L 5/0005: {Time-frequency} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04L 5/02: Channels characterised by the type of signal - H04W 64/00: Locating users or terminals {or network equipment} for network management purposes, e.g. mobility management - H04W 16/28: using beam steering - 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 Disclosed is a method of providing a positional reference signal in a communication system comprising the step of: providing a positional reference signal which is configurable in both time and frequency domains. Also disclosed is a method of configuring a periodicity of a positioning reference signal transmission in a communication system comprising the step of configuring the starting timing and the duration of the positioning reference signal transmission, wherein the transmission is either consecutive or interleaved on cell or cell group basis, and the configuration is numerology dependent. ## Claims ### Claim 1 A method performed by a base station in a wireless communication system, the method comprising: transmitting positioning reference signal (PRS) configuration information, wherein the PRS configuration information defines a first time period between two instances of a PRS resource set, the PRS resource set comprising at least one PRS resource, and a second time period between two instances of the PRS resource within the PRS resource set, and wherein the first time period between two instances of the PRS resource set is based on a subcarrier spacing; and transmitting at least one PRS based on the PRS configuration information. ### Claim 2 (depends on 1) The method of claim 1, wherein the at least one PRS is transmitted based on at least one of beamforming or beam sweeping. ### Claim 3 (depends on 1) The method of claim 1, wherein each PRS resource comprises at least one symbol within a slot. ### Claim 4 (depends on 1) The method of claim 1, wherein the PRS resource set is repeated based on the first time period. ### Claim 5 (depends on 1) The method of claim 1, wherein the PRS configuration information defines the first time period and a starting location for the PRS resource set. ### Claim 6 A method performed by a user equipment (UE) in a wireless communication system, the method comprising: receiving positioning reference signal (PRS) configuration information, wherein the PRS configuration information defines a first time period between two instances of a PRS resource set, the PRS resource set comprising at least one PRS resource, and a second time period between two instances of the PRS resource within the PRS resource set, and wherein the first time period between two instances of the PRS resource set is based on a subcarrier spacing; and receiving at least one PRS based on the PRS configuration information. ### Claim 7 (depends on 6) The method of claim 6, wherein the at least one PRS is received based on at least one of beamforming or beam sweeping. ### Claim 8 (depends on 6) The method of claim 6, wherein each PRS resource comprises at least one symbol within a slot. ### Claim 9 (depends on 6) The method of claim 6, wherein the PRS resource set is repeated based on the first time period. ### Claim 10 (depends on 6) The method of claim 6, wherein the PRS configuration information defines the first time period and a starting location for the PRS resource set. ### Claim 11 A base station for a wireless communication system, the base station comprising: a transceiver; and a processor coupled to the transceiver and configured to: transmit positioning reference signal (PRS) configuration information, wherein the PRS configuration information defines a first time period between two instances of a PRS resource set, the PRS resource set comprising at least one PRS resource, and a second time period between two instances of the PRS resource within the PRS resource set, and wherein the first time period between two instances of the PRS resource set is based on a subcarrier spacing; and transmit at least one PRS based on the PRS configuration information. ### Claim 12 (depends on 11) The base station of claim 11, wherein the at least one PRS is transmitted based on at least one of beamforming or beam sweeping. ### Claim 13 (depends on 11) The base station of claim 11, wherein each PRS resource comprises at least one symbol within a slot. ### Claim 14 (depends on 11) The base station of claim 11, wherein the PRS resource set is repeated based on the first time period. ### Claim 15 (depends on 11) The base station of claim 11, wherein the PRS configuration information defines the first time period and a starting location for the PRS resource set. ### Claim 16 A user equipment (UE) for a wireless communication system, the UE comprising: a transceiver; and a processor coupled to the transceiver and configured to: receive positioning reference signal (PRS) configuration information, wherein the PRS configuration information defines a first time period between two instances of a PRS resource set, the PRS resource set comprising at least one PRS resource, and a second time period between two instances of the PRS resource within the PRS resource set, and wherein the first time period between two instances of the PRS resource set is based on a subcarrier spacing; and receive at least one PRS based on the PRS configuration information. ### Claim 17 (depends on 16) The UE of claim 16, wherein the at least one PRS is received based on at least one of beamforming or beam sweeping. ### Claim 18 (depends on 16) The UE of claim 16, wherein each PRS resource comprises at least one symbol within a slot. ### Claim 19 (depends on 16) The UE of claim 16, wherein the PRS resource set is repeated based on the first time period. ### Claim 20 (depends on 16) The UE of claim 16, wherein the PRS configuration information defines the first time period and a starting location for the PRS resource set.