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Positioning reference signal receiving method and user equipment

A technology for positioning reference signals and user equipment, which is applied in the field of positioning reference signal receiving methods and user equipment, and can solve the problems of long positioning delay, inability to obtain the latest measurement results of PRS, and low positioning accuracy of OTDOA

Active Publication Date: 2021-10-26
BEIJING SPREADTRUM HI TECH COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, when the UE is moving and the P-PRS period has not yet expired, the latest PRS measurement results cannot be obtained, resulting in low positioning accuracy and long positioning delay of PRS-based OTDOA positioning

Method used

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  • Positioning reference signal receiving method and user equipment
  • Positioning reference signal receiving method and user equipment
  • Positioning reference signal receiving method and user equipment

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Embodiment Construction

[0038] The embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

[0039] In the Observed Time Difference Of Arrival (OTDOA) positioning scheme based on the Positioning Reference Signal (PRS), the structural diagram of the applicable communication system is as follows: figure 1 As shown, the communication system may include but not limited to one user equipment and three sending and receiving nodes (Transmission Reception Point, TRP), figure 1 The number and form of the devices shown are for example and do not constitute a limitation to the embodiment of the present application, and more than three TRPs and two or more user equipments may be included in an actual application. figure 1 The communication system shown is illustrated by taking one user equipment 101 and three TRPs 102 as an example, and any TRP among the three TRPs 102 can send PRS resources to the user equipment 101 .

[0040]...

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Abstract

The embodiment of the invention discloses a positioning reference signal receiving method and user equipment. The positioning reference signal receiving method comprises the following steps: enabling user equipment UE to receive Aperiodic positioning reference signal A-PRS indication information, determining an A-PRS resource set triggered by each TRP according to the A-PRS indication information, and receiving on each A-PRS resource in the A-PRS resource set triggered by each TRP to obtain a measurement result of each received PRS, wherein the obtained PRS measurement result is the measurement result of the A-PRS resource. According to the positioning reference signal receiving method, when the UE moves and the period of the periodic positioning reference signal PRS is not reached, the measurement result of the A-PRS resource is obtained by triggering and receiving the A-PRS resource, so the positioning precision of OTDOA positioning based on the PRS can be improved, and the positioning time delay can be reduced.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a positioning reference signal receiving method and user equipment. Background technique [0002] In the New Radio (NR) protocol, an Observed Time Difference Of Arrival (OTDOA) positioning based on a Positioning Reference Signal (Positioning Reference Signal, PRS) is a typical positioning scheme. In this positioning scheme, the user equipment (User Equipment, UE) determines multiple reference signal time difference (Reference Signal Time Difference, RSTD) measurement results by using periodic positioning reference signal (Periodic Positioning Reference Signal, P-PRS) resources sent by each base station; The UE reports the multiple RSTD measurement results to the network device; the network device can convert the multiple RSTD measurement results into the distance difference between the UE and each base station, and then combine the position coordinates of e...

Claims

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Application Information

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IPC IPC(8): H04W4/02H04W64/00
CPCH04W4/025H04W64/00H04W4/02
Inventor 马大为
Owner BEIJING SPREADTRUM HI TECH COMM TECH CO LTD