18144135. METHOD AND APPARATUS FOR POWER AND PROCESSING SAVINGS FOR POSITIONING REFERENCE SIGNALS TRANSMITTED IN BEAMS simplified abstract (QUALCOMM Incorporated)

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METHOD AND APPARATUS FOR POWER AND PROCESSING SAVINGS FOR POSITIONING REFERENCE SIGNALS TRANSMITTED IN BEAMS

Organization Name

QUALCOMM Incorporated

Inventor(s)

Mukesh Kumar of Hyderabad (IN)

Guttorm Ringstad Opshaug of Redwood City CA (US)

Fnu Siddhant of Bangalore (IN)

METHOD AND APPARATUS FOR POWER AND PROCESSING SAVINGS FOR POSITIONING REFERENCE SIGNALS TRANSMITTED IN BEAMS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18144135 titled 'METHOD AND APPARATUS FOR POWER AND PROCESSING SAVINGS FOR POSITIONING REFERENCE SIGNALS TRANSMITTED IN BEAMS

Simplified Explanation

The abstract describes a mobile device that supports positioning using positioning reference signals (PRS) on multiple beams. The PRS processing is divided into two modes: acquisition mode and tracking mode.

  • In acquisition mode, the mobile device quickly scans all beams from a base station transmitting PRS using a reduced set of resources.
  • The mobile device selects the best beams for positioning based on signal strength.
  • In tracking mode, the mobile device tracks the PRS from the selected beams using the full set of resources.
  • The mobile device may switch back to acquisition mode after a certain number of positioning occasions or if the selected beams become invalid due to movement or changing conditions.

Potential Applications

  • This technology can be used in mobile devices to improve positioning accuracy and reliability.
  • It can be applied in various industries such as navigation, transportation, and location-based services.

Problems Solved

  • The technology solves the problem of efficiently processing PRS signals on multiple beams for positioning.
  • It addresses the challenge of selecting the best beams for positioning based on signal strength.

Benefits

  • The mobile device can quickly scan and select the best beams for positioning, improving efficiency.
  • By using the full set of resources for tracking, the accuracy and reliability of positioning are enhanced.
  • The ability to switch between acquisition and tracking modes allows for adaptability to changing conditions and movement.


Original Abstract Submitted

A mobile device supports positioning with positioning reference signals (PRS) on multiple beam by dividing the PRS processing into two separate modes, an acquisition mode and a tracking mode. In acquisition mode, the mobile device performs a fast scan of all of the beams from a base station transmitting PRS using less than the full set of resources for the PRS, i.e., less than the full bandwidth and/or less than the full number of repetitions of the PRS. The mobile device may select the best beams to use for positioning, e.g., based on signal strength metric. In tracking mode, the mobile device tracks the PRS from only the selected beams using the full set of resources for the PRS. The mobile device may return to acquisition mode after a predetermined number of positioning occasions or if the selected beams are no longer valid due to movement or change in conditions.

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