17874151. IDENTIFICATION OF SIDELINK POSITIONING REFERENCE SIGNALS simplified abstract (QUALCOMM Incorporated)

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IDENTIFICATION OF SIDELINK POSITIONING REFERENCE SIGNALS

Organization Name

QUALCOMM Incorporated

Inventor(s)

Gabi Sarkis of San Diego CA (US)

Dan Vassilovski of Del Mar CA (US)

IDENTIFICATION OF SIDELINK POSITIONING REFERENCE SIGNALS - A simplified explanation of the abstract

This abstract first appeared for US patent application 17874151 titled 'IDENTIFICATION OF SIDELINK POSITIONING REFERENCE SIGNALS

Simplified Explanation

The abstract of this patent application describes a method for positioning user equipments (UEs) using Sidelink (SL) technology. The method involves providing SL positioning reference signals (PRS) that indicate the identity of the SL positioning session and the source identifier. The UE can transmit either a payload-based indication or a sequence-based indication of the session identity and source identifier. The payload-based indication is included in Layer 1 (L1) and/or Layer 2 (L2) control messages associated with the SL PRS. The sequence-based indication is generated using the session identity and source identifier to initialize or seed the generation of the PRS sequence, scramble the PRS sequence, or generate a cover code that is applied to the PRS sequence.

  • The patent application describes a method for positioning UEs using SL technology.
  • SL positioning reference signals (PRS) are provided to indicate the identity of the SL positioning session and the source identifier.
  • UEs can transmit either a payload-based indication or a sequence-based indication of the session identity and source identifier.
  • The payload-based indication is included in L1 and/or L2 control messages associated with the SL PRS.
  • The sequence-based indication is generated using the session identity and source identifier to initialize or seed the generation of the PRS sequence, scramble the PRS sequence, or generate a cover code for the PRS sequence.

Potential applications of this technology:

  • Improved positioning accuracy for UEs using SL technology.
  • Enhanced communication and coordination between UEs in SL positioning sessions.
  • Efficient utilization of SL PRS for positioning purposes.

Problems solved by this technology:

  • Inaccurate positioning of UEs in SL sessions.
  • Lack of clear identification and synchronization in SL positioning sessions.
  • Difficulty in distinguishing between different sources of SL PRS.

Benefits of this technology:

  • Improved accuracy and reliability of UE positioning.
  • Enhanced coordination and communication between UEs in SL sessions.
  • Efficient utilization of SL PRS for positioning purposes.


Original Abstract Submitted

Sidelink (SL) positioning of user equipments (UEs) is supported by providing with SL positioning reference signals (PRS) an indication of the identity of the SL positioning session and the SL PRS source identifier. A UE may transmit a payload-based indication or a sequence-based indication of the identity of the SL positioning session and the source identifier. The pay-load based indication is included in, e.g., a Layer 1 (L1) and/or Layer 2 (L2) control message associated with the SL PRS. The sequence-based indication may be generated using the indication of the identity of the SL positioning session and the source identifier to initialize or seed the generation of the PRS sequence, scramble the PRS sequence, or generate a cover code that is applied to the PRS sequence.

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