Sidelink positioning reference signal pattern

By implementing a sidelink PRS pattern for sidelink position estimation, the challenges of efficient PRS utilization in shared communication mediums are addressed, improving positioning accuracy and supporting V2X communication for enhanced safety and mobility in intelligent transport systems.

JP7894443B2Active Publication Date: 2026-07-23QUALCOMM INC
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
QUALCOMM INC
Filing Date
2022-08-05
Publication Date
2026-07-23

AI Technical Summary

Technical Problem

Existing wireless communication systems, particularly in the context of 5G and V2X technologies, face challenges in efficiently utilizing sidelink positioning reference signals (PRS) for accurate positioning in shared communication mediums, which is crucial for applications like autonomous driving and vehicle-to-everything (V2X) communication.

Method used

The implementation of a sidelink positioning reference signal (PRS) pattern for sidelink position estimation procedures, allowing user devices (UEs) to determine and transmit/receive PRS opportunities within a shared communication medium, enhancing the accuracy and efficiency of positioning estimation.

Benefits of technology

This approach improves the accuracy and efficiency of positioning estimation in V2X communication by optimizing the use of sidelink PRS, supporting applications such as vehicle-to-vehicle, vehicle-to-infrastructure, and vehicle-to-pedestrian communication, thereby enhancing safety and mobility in intelligent transport systems.

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Abstract

Techniques for wireless communications are disclosed. In one aspect, a first UE determines a sidelink positioning reference signal (PRS) pattern for a sidelink position estimation procedure. The sidelink PRS pattern includes at least one PRS transmission opportunity for each of a group of UEs in a shared communication medium. The first UE performs one or more attempts to transmit a first PRS in one or more PRS transmission opportunities associated with the first UE according to the sidelink PRS pattern. In another aspect, a second UE determines a sidelink PRS pattern and monitors the first PRS transmission opportunity for receiving the first PRS from the first UE according to the sidelink PRS pattern.
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