PRS ID configuration method, device and equipment

By sending PRS positioning auxiliary signals in the LTE-V system and using the PRS ID configuration method, the problem of low synchronization accuracy of the LTE-V standard in indoor or tunnel scenarios is solved, high-precision synchronization and positioning are achieved, and the reliability of signal transmission and the reception complexity of the receiver are improved.

CN119697595AActive Publication Date: 2025-03-25BEIJING DATANG GOHIGH SOFTWARE TECH
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Patent Information

Application Number
CN202311193045.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-09-15
Publication Date
2025-03-25
Estimated Expiration
2043-09-15

AI Technical Summary

Technical Problem

The existing LTE-V standards have low synchronization accuracy in indoor or tunnel scenarios, resulting in low positioning accuracy and do not support sending carrier phase-related information, making it difficult to achieve high-precision synchronization and positioning.

Method used

By sending a PRS positioning auxiliary signal, and correlating the user's identification (ID) with the corresponding resource signal, using signal detection or specific timing and phase deviation, high-precision synchronous positioning is finally achieved. To this end, a PRS ID configuration method is proposed to ensure the orthogonality and low reception complexity of PRS ID.

Benefits of technology

High-precision synchronization and positioning in indoor or tunnel scenarios are realized, reducing the probability of PRS transmission resource collision, improving the reliability of PRS transmission, and reducing the reception complexity of the receiver.

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Abstract

The invention discloses a PRS ID configuration method, device and equipment, and relates to the technical field of communication, the method is applied to configuration management equipment, and the method comprises the following steps: according to a predefined frame structure and a frequency domain multiplexing factor, determining a first number of positioning reference signal identifiers PRS IDs which can be distributed; determining a first geographic position multiplexing range of the PRS ID according to the PRS detection distance; and configuring RSU PRS IDs and an RSU PRS ID set for RSUs in the first geographic position multiplexing range according to the first number, the first geographic position multiplexing range and RSU deployment information. According to the scheme provided by the invention, the RSU PRS ID configured for each RSU in the multiplexing range of the first geographic position can be ensured to be uniquely orthogonal, and the probability of resource collision of a sending end and the receiving complexity of a receiving end are reduced.
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