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Measurement method and device for positioning, and storage medium

A measurement method and measurement result technology, applied in the direction of multiple use of transmission path, advanced technology, digital transmission system, etc., can solve the problems of large base station measurement, increase positioning delay, increase UE complexity, etc., to reduce measurement complexity , Reduce the effect of positioning delay

Pending Publication Date: 2022-02-18
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This causes the UE to measure a large number of PRS resources, which increases the complexity of UE measurement and also increases the positioning delay
Similarly, for the measurement of the uplink SRS reference signal, the base station also needs to measure a large amount of resources, which increases the positioning delay

Method used

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  • Measurement method and device for positioning, and storage medium
  • Measurement method and device for positioning, and storage medium
  • Measurement method and device for positioning, and storage medium

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0207] In example one:

[0208] During downlink positioning, each gNB in ​​N=16 gNBs sends M=8 PRS resources, and each PRS resource is shaped differently and points to different directions. The orientation of each PRS resource is determined by the horizontal dimension angle and the vertical dimension angle θ is described, and the value of the angle is determined by gNB itself. The positioning server configures the terminal to report the RSTD measurement value, and indicates the configuration information of the N=16 gNBs and the M=8 PRS resources sent by each gNB to the terminal to be positioned through the LPP protocol.

[0209] The serving gNB of the terminal measures the uplink signal sent by the terminal, such as an uplink SRS reference signal, and may determine its horizontal angle of arrival and vertical angle of arrival. The serving gNB may report the horizontal angle of arrival and the vertical angle of arrival as first location information to a positioning server. ...

example 2

[0214] In example two:

[0215] During downlink positioning, each gNB in ​​N=16 gNBs sends M=8 PRS resources, and each PRS resource is shaped differently and points to different directions. The orientation of each PRS resource is determined by the horizontal dimension angle and the vertical dimension angle θ is described, and the value of the angle is determined by gNB itself. The positioning server configures the terminal to report the RSTD measurement value, and indicates the configuration information of the N=16 gNBs and the M=8 PRS resources sent by each gNB to the terminal to be positioned through the LPP protocol.

[0216] The serving gNB of the terminal measures the uplink signal sent by the terminal, such as an uplink SRS reference signal, and may determine its horizontal angle of arrival and vertical angle of arrival. The serving gNB may report the horizontal angle of arrival and the vertical angle of arrival as first location information to a positioning server. ...

example 3

[0221] In example three:

[0222] For uplink positioning, the positioning server configures the terminal to transmit M=16 SRS resources, and each SRS resource is shaped differently and points to different directions. The positioning server configures P=3 gNBs (denoted as gNB0, gNB1 and gNB2) and each gNB reports the angle measurement. The angular measurements include A-AoA and Z-AoA. The positioning server configures the M=16 SRS resources to each gNB.

[0223] The serving gNB of the terminal measures the uplink signal sent by the terminal, such as an uplink SRS reference signal, and may determine its horizontal angle of arrival and vertical angle of arrival. The serving gNB may report the horizontal angle of arrival and the vertical angle of arrival as first location information to a positioning server. Further, the terminal measures the downlink signal sent by the serving gNB, such as SSB, to obtain the received signal power, and reports the received signal power to the p...

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Abstract

Embodiments of the invention provide a measurement method and device for positioning, and a storage medium. The method comprises the following steps: receiving resource configuration information and measurement constraint information sent by a positioning server, wherein the measurement constraint information is used for indicating how target equipment uses the resource corresponding to the resource configuration information for measurement; and performing resource measurement based on the resource configuration information and the measurement constraint information, and sending a measurement result to the positioning server. According to the embodiments of the application, the measurement constraint information is added to perform positioning measurement limitation, so UE or the base station only measures a reference signal in an effective direction, the measurement complexity of the UE and the base station is reduced, and positioning time delay is also reduced.

Description

technical field [0001] The present application relates to the technical field of untrusted communication, and in particular to a measurement method, device and storage medium for positioning. Background technique [0002] The downlink positioning technology of NR (New Radio, new air interface) includes NR DL-TDOA (Downlink Time Difference of Arrival) and NR DL-AoD. Uplink positioning technologies include NR UL-TDOA (Uplink Time Difference of Arrival) and NR UL-AoA; uplink and downlink hybrid positioning technologies include NR Multi-RTT. In NR, corresponding positioning measurement values ​​are defined for each positioning technology. For the downlink positioning technology, the UE (User Equipment, user equipment) measures the downlink DL PRS (Positioning Reference Signal, positioning reference signal) to obtain the positioning measurement value and report it. In the positioning technology, the base station gNB measures an uplink UL SRS (Sounding Reference Signal, sounding ...

Claims

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Application Information

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IPC IPC(8): H04W24/02H04W64/00
CPCH04W24/02H04W64/006H04W64/00Y02D30/70H04L5/0051G01S5/0236G01S5/0205H04W24/08G01S5/0252G01S5/0263H04L5/0048G01S5/0036
Inventor 李辉任斌达人
Owner DATANG MOBILE COMM EQUIP CO LTD
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