Radio (NR) positioning measurement with reduced latency

1 . An apparatus for a user equipment (UE) configured for operation in a New Radio (NR) network, the apparatus comprising:

processing circuitry, wherein to configure the UE for positioning measurements in the NR network, the processing circuitry is to:

encode notification signaling for transmission to a location server of the NR network, the notification signaling to indicate a UE capability for support of a reduced number of positioning reference signal (PRS) samples;

decode configuration signaling from the location server, the configuration signaling requesting location measurements from the UE, and the configuration signaling further indicating the UE to perform the location measurements using the reduced number of samples;

decode a PRS received from a base station;

perform the positioning measurements based on the reduced number of PRS samples selected from the PRS; and

encode the positioning measurements for transmission to the location server; and

memory coupled to the processing circuitry and storing the configuration signaling.

2 . The apparatus of claim 1 , wherein the positioning measurements are reference signal time difference (RSTD) measurements.

3 . The apparatus of claim 1 , wherein the reduced number of PRS samples comprises one or two PRS samples.

4 . The apparatus of claim 1 , wherein to encode the notification signaling the processing circuitry is to:

encode UE capabilities information for transmission to the location server, the UE capabilities information indicating an expected number of samples for reporting the positioning measurements.

5 . The apparatus of claim 4 , wherein the processing circuitry is to:

encode the UE capabilities information for transmission to the location server using an NR positioning protocol A (NRPPa) message.

6 . The apparatus of claim 1 , wherein the configuration signaling further indicates the UE to perform the location measurements using a standard number of PRS samples when the reduced number of PRS samples is not indicated.

7 . The apparatus of claim 6 , wherein the standard number is four PRS samples.

8 . The apparatus of claim 1 , wherein to decode the configuration signaling the processing circuitry is to:

decode a common information element (IE) received from the location server, the common IE associated with a Request-Location-Information message type; and

obtain PRS measurement configuration for the location measurements from a PRS configuration field contained in the common IE.

9 . The apparatus of claim 8 , wherein a number-of-measurement-samples-expected configuration field is part of the PRS configuration field.

10 . The apparatus of claim 1 , further comprising:

transceiver circuitry coupled to the processing circuitry; and

one or more antennas coupled to the transceiver circuitry.

11 . A non-transitory computer-readable storage medium that stores instructions for execution by one or more processors of a user equipment (UE), the instructions to configure the UE for positioning measurements in a New Radio (NR) network, and to cause the UE to perform operations comprising:

encoding notification signaling for transmission to a location server of the NR network, the notification signaling to indicate a UE capability for support of a reduced number of positioning reference signal (PRS) samples;

decoding configuration signaling from the location server, the configuration signaling requesting location measurements from the UE, and the configuration signaling further indicating the UE to perform the location measurements using the reduced number of PRS samples;

decoding a PRS received from a base station;

performing the positioning measurements based on the reduced number of PRS samples selected from the PRS; and

encoding the positioning measurements for transmission to the location server.

12 . The non-transitory computer-readable storage medium of claim 11 , wherein the positioning measurements are reference signal time difference (RSTD) measurements.

13 . The non-transitory computer-readable storage medium of claim 11 , wherein the reduced number of PRS samples comprises one or two PRS samples.

14 . A user equipment (UE) configured for operation in a New Radio (NR) network, the UE comprising:

front-end circuitry coupled to one or more antennas;

processing circuitry coupled to the front-end circuitry, the processing circuitry is to:

encode notification signaling for transmission to a location server of the NR network, the notification signaling to indicate a UE capability for support of a reduced number of positioning reference signal (PRS) samples;

decode configuration signaling from the location server, the configuration signaling requesting location measurements from the UE, and the configuration signaling further indicating the UE to perform the location measurements using the reduced number of PRS samples;

decode a PRS received from a base station;

perform positioning measurements based on the reduced number of PRS samples selected from the PRS; and

encode the positioning measurements for transmission to the location server.

15 . The UE of claim 14 , wherein the positioning measurements are reference signal time difference (RSTD) measurements.

16 . The UE of claim 14 , wherein the reduced number of PRS samples comprises one or two PRS samples.

17 . The UE of claim 14 , wherein the configuration signaling further indicates the UE to perform the location measurements using a standard number of PRS samples when the reduced number of PRS samples is not indicated.