Method for reporting positioning measurement information, terminal, and network device

Patent metadata

Field	Value
Publication number	US-12284131-B2
Application number	US-202117485075-A
Country	US
Kind code	B2
Filing date	Sep 24, 2021
Priority date	Mar 26, 2019
Publication date	Apr 22, 2025
Grant date	Apr 22, 2025

Abstract

A method for reporting positioning measurement information, a terminal, and a network device are provided. The method includes: receiving first configuration information from a network device; and reporting a measurement result of a beam group based on the first configuration information, where the beam group is used to transmit a positioning reference signal PRS, and the beam group includes N beams determined by reference signal received power RSRP or time of arrival TOA, where N is a positive integer, the N beams are beams in a first cell, and the first cell is one of cells participating in positioning.

First claim

What is claimed is:

1. A method for reporting positioning measurement information, applied to a terminal and comprising:
receiving first configuration information from a network device;
receiving second configuration information from the network device, wherein the second configuration information is used to configure a reference beam;
calculating a reference signal received power RSRP of one or more first beams according to the reference beam, wherein the one or more first beams are from a beam group and the one or more first beams are different from the reference beam, wherein the beam group is used to transmit a positioning reference signal PRS, and the beam group comprises N beams in cells participating in positioning;
wherein the cells participating in positioning comprise a reference cell and a neighboring cell, the reference beam is a beam in a beam group of the reference cell, and the first beam is a beam in the beam group of the neighboring cell;
reporting a measurement result of the beam group based on the first configuration information, wherein the measurement result at least comprises the RSRP of the one or more first beams.

2. The method according to claim 1 , wherein the N beams comprises any one of the following:
top N beams in descending order of reference signal received power RSRP in a first cell, the first cell is a cell participating in positioning;
all beams whose RSRP is higher than a preset threshold in the first cell;
top N beams selected from M beams in descending order of RSRP, wherein the M beams are beams whose RSRP is higher than the preset threshold in the first cell, and M is an integer greater than N;
top N beams in ascending order of TOA in the first cell;
top N beams selected from M beams in ascending order of TOA, wherein the M beams are beams whose RSRP is higher than a preset threshold in the first cell; or, top L beams in ascending order of TOA and top K beams in descending order of RSRP in the first cell, wherein N≤L+K.

3. The method according to claim 2 , wherein in a case in which the N beams are the top L beams and the top K beams,
when the top L beams and the top K beams do not comprise a same beam, N=L+K; or
when the top L beams and the top K beams comprise a same beam, N is the actual number of beams.

4. The method according to claim 1 , wherein the measurement result of the beam group further comprises a first measurement result and/or a second measurement result, wherein the first measurement result is a measurement result associated with a downlink time difference of arrival DL-TDOA, and the second measurement result is a measurement result associated with a downlink angle of departure DL-AoD.

5. The method according to claim 4 , wherein the first configuration information is used to indicate the terminal to report the first measurement result or the second measurement result.

6. The method according to claim 1 , wherein the reference beam is any one of the following beams:
a beam with a largest RSRP;
a beam with a smallest TOA; or,
a designated second beam, wherein the second beam is different from the beam with the largest RSRP, and the second beam is different from the beam with the smallest TOA.

7. The method according to claim 1 , wherein the reporting a measurement result of a beam group comprises:
reporting a measurement result of each beam in the beam group; or
reporting a joint measurement result of the beam group, wherein the joint measurement result is a measurement result obtained after joint processing is performed on measurement results of beams in the beam group.

8. The method according to claim 7 , wherein the reporting a measurement result of each beam in the beam group comprises:
reporting measurement results of the reference beam and a third beam based on first preset content, wherein the third beam is a beam in the beam group of the neighboring cell; and
reporting a measurement result of a fourth beam based on second preset content, wherein the fourth beam is a beam other than the reference beam in the beam group which contains the reference beam, wherein
the first preset content comprises at least one of a beam identifier beam ID, a cell identity cell ID, a positioning reference signal identifier PRS ID, an additional path, reference quality, a reference signal time difference RSTD, reference signal time difference quality RSTD quality, RSRP, reference signal received power quality RSRP quality, or a port; and
the second preset content comprises at least one of a reference time difference reference time difference, a beam ID, a cell ID, a PRS ID, an additional path, reference quality, RSRP, RSRP quality, or a port.

9. The method according to claim 7 , wherein a manner of joint processing comprises any one of the following:
calculating an average value of the measurement results of the beams in the beam group;
calculating a weighted average value of the measurement results of the beams in the beam group;
selecting measurement results of top J beams from the beam group in descending order of measurement quality;
selecting measurement results of top J beams from the beam group in descending order of measurement result values; or,
selecting measurement results of top J beams from the beam group in ascending order of measurement result values, wherein
J is a positive integer less than N.

10. A method for reporting positioning measurement information, applied to a network device and comprising:
sending first configuration information to a terminal;
seconding second configuration information to the terminal, wherein the second configuration information is used to configure a reference beam used to calculate a reference signal received power RSRP of one or more first beams, wherein the one or more first beams are from a beam group and the one or more first beams are different from the reference beam, wherein the beam group is used to transmit a positioning reference signal PRS, and the beam group comprises N beams in cells participating in positioning;
wherein the cells participating in positioning comprise a reference cell and a neighboring cell, the reference beam is a beam in a beam group of the reference cell, and the first beam is a beam in the beam group of the neighboring cell;
receiving a measurement result of the beam group from the terminal, wherein the measurement result at least comprises the RSRP of the one or more first beams.

11. The method according to claim 10 , wherein the N beams comprises any one of the following:
top N beams in descending order of reference signal received power RSRP in a first cell, wherein the first cell is a cell participating in positioning;
all beams whose RSRP is higher than a preset threshold in the first cell;
top N beams selected from M beams in descending order of RSRP, wherein the M beams are beams whose RSRP is higher than the preset threshold in the first cell, and M is an integer greater than N;
top N beams in ascending order of TOA in the first cell;
top N beams selected from M beams in ascending order of TOA, wherein the M beams are beams whose RSRP is higher than a preset threshold in the first cell; or,
top L beams in ascending order of TOA and top K beams in descending order of RSRP in the first cell, wherein N≤L+K.

12. The method according to claim 11 , wherein in a case in which the N beams are the top L beams and the top K beams,
when the top L beams and the top K beams do not comprise a same beam, N=L+K; or
when the top L beams and the top K beams comprise a same beam, N is the actual number of beams.

13. The method according to claim 10 , wherein the measurement result of the beam

Assignees

• Vivo Mobile Communication Co Ltd

Inventors

• Si Ye
• Sun Peng
• Wu Huaming

Classifications

• H04B7/0632 Primary

  Channel quality parameters, e.g. channel quality indicator [CQI] · CPC title

• H04L5/0053 Primary

  Allocation of signalling, i.e. of overhead other than pilot signals · CPC title

• G01S13/878

  Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector (G01S13/874 takes precedence) · CPC title

• H04L5/0048

  Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091) · CPC title

• H04B17/328

  Reference signal received power [RSRP]; Reference signal received quality [RSRQ] · CPC title