18488837. PARTIAL RANDOM ACCESS CHANNEL PROCEDURE simplified abstract (QUALCOMM Incorporated)

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PARTIAL RANDOM ACCESS CHANNEL PROCEDURE

Organization Name

QUALCOMM Incorporated

Inventor(s)

Srinivas Yerramalli of San Diego CA (US)

Alexandros Manolakos of Escondido CA (US)

Sony Akkarakaran of Poway CA (US)

Lorenzo Ferrari of Castro Valley CA (US)

Yih-Hao Lin of San Diego CA (US)

PARTIAL RANDOM ACCESS CHANNEL PROCEDURE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18488837 titled 'PARTIAL RANDOM ACCESS CHANNEL PROCEDURE

Simplified Explanation

The abstract of this patent application describes a method for transmitting a PDCCH communication from a serving base station (BS) to a user equipment (UE). This PDCCH communication triggers a partial RACH procedure, which involves performing a RACH transmission. In some cases, the RACH transmission is used for positioning purposes, and positioning measurements are conducted at the serving BS and potentially at other non-serving BSs. Measurement data based on these positioning measurements is then sent to a position estimation entity, such as a Location Measurement Function (LMF), which performs a positioning estimate of the UE.

  • The patent application describes a method for triggering a partial RACH procedure in a UE based on a PDCCH communication from a serving BS.
  • The RACH transmission is used for positioning purposes.
  • Positioning measurements are performed at the serving BS and potentially at other non-serving BSs.
  • Measurement data based on the positioning measurements is conveyed to a position estimation entity, such as an LMF.
  • The position estimation entity performs a positioning estimate of the UE.

Potential applications of this technology:

  • Improved positioning accuracy in wireless communication systems.
  • Enhanced location-based services, such as navigation and asset tracking.
  • Efficient resource allocation for positioning measurements.

Problems solved by this technology:

  • Inaccurate or unreliable positioning information in wireless communication systems.
  • Difficulty in estimating the position of a UE in a multi-cell environment.
  • Inefficient resource allocation for positioning measurements.

Benefits of this technology:

  • Improved accuracy and reliability of positioning estimates.
  • Enhanced performance of location-based services.
  • Optimal allocation of resources for positioning measurements.


Original Abstract Submitted

In an embodiment, a serving BS of a UE may transmit a PDCCH communication to the UE. The PDCCH communication triggers a partial RACH procedure, whereby a RACH transmission is performed. In some designs, the RACH transmission is for positioning, and positioning measurements are performed at the serving BS and (optionally) at one or more non-serving BSs. In some designs, measurement data based on the positioning measurements are conveyed to a position estimation entity (e.g., LMF), which performs a positioning estimate of the UE.

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