Missing SSR handling with ura

By generating an OSR using available SSR error correction components and computing an OSR uncertainty value, the method addresses the challenge of missing SSR components in GNSS wireless devices, enabling faster and more accurate position determination.

WO2025042948A1PCT designated stage expired Publication Date: 2025-02-27QUALCOMM INC
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Patent Information

Application Number
PCT/US2024/043161
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-08-23
Filing Date
2024-08-21
Publication Date
2025-02-27

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Abstract

A method for wireless communication at a GNSS is described herein. The method includes obtaining a set of SSR error correction components associated with a set of SVs, where the set of SSR error correction components includes a first number of SSR error correction components that is less than a second number of SSR error correction components in a full set of SSR error correction components. The method includes generating, based on the set of SSR error correction components, (1) an OSR of GNSS measurements associated with the set of SVs and (2) an OSR uncertainty value for the OSR. The method includes computing, based on the OSR of the GNSS measurements and the OSR uncertainty value, a position of the GNSS wireless device. The method includes outputting an indication of the position of the GNSS wireless device.
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Citation Information

Patent Citations

  • Method and apparatus for position determination with hybrid SPS orbit data

    EP2568315A1

  • Method and apparatus for position determination with hybrid SPS orbit data

    US20100194634A1