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Systems and methods for limiting a message size for a positioning protocol

A positioning protocol and message technology, applied in satellite radio beacon positioning system, service based on location information, positioning, etc., can solve problems such as inaccurate location, long delay, unreliability, etc.

Active Publication Date: 2019-07-05
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, bandwidth limitations, signal noise, and associated messaging delays can limit the number and size of positioning protocol messages that can be transmitted between the UE and the LS, which can lead to less accurate positions, less Reliable location and / or long delays in positioning

Method used

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  • Systems and methods for limiting a message size for a positioning protocol
  • Systems and methods for limiting a message size for a positioning protocol
  • Systems and methods for limiting a message size for a positioning protocol

Examples

Experimental program
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Embodiment Construction

[0019] There is often a need to know the location of a user equipment (UE), such as a cellular phone, smartphone or tablet computer. The location may be used in any of a variety of applications, such as to enable the UE to provide navigation information to the user, enable personal or asset finder or tracking services, or provide the UE's location to emergency responders on an emergency services call. The process of determining the location of the UE may involve, inter alia, communications between the UE and a Location Server (LS) using a positioning protocol. However, bandwidth limitations on radio access, signaling interference and noise, and / or messaging delays can limit the number and size of messages for location determination that can be transmitted between the UE and the LS, which can lead to less accurate , less reliable fixes, and / or longer delays in fixes. Methods to avoid and mitigate such consequences may thus be desirable.

[0020] Several illustrative embodimen...

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PUM

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Abstract

Techniques described herein provide ways in which a quantity of signaling may be limited between a user equipment (UE) and a location server (LS) for a location session and a positioning protocol suchas LPP or LPP / LPPe. The positioning protocol may be enhanced to allow the LS to indicate to the UE a limit on the overall size of assistance data (AD) that the UE can request and / or a limit on the overall amount of location information (LI) that the UE can return. A recipient UE can then prioritize any request for AD such that more important AD should fit within the size limit. The recipient UE can also prioritize returned location measurements such that more useful measurements are included in a message to the LS that is compliant to the limit indicated by the LS.

Description

technical field [0001] The subject matter disclosed herein relates to wireless communication systems, and more particularly, to systems and methods for locating user equipment in wireless communication systems using positioning protocols. Background technique [0002] There is often a need to know the location of a user equipment (UE), such as a cellular telephone. The location may be used in any of a variety of applications, such as to enable the UE to provide navigation information to the user, enable personal or asset finder services, or provide the UE's location to emergency responders on an emergency services call. The process of determining the location of the UE may involve, inter alia, communications between the UE and a Location Server (LS) using a positioning protocol. However, bandwidth limitations, signal noise, and associated messaging delays can limit the number and size of positioning protocol messages that can be transmitted between the UE and the LS for pos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/02H04W4/20H04L29/08G01S19/05G01S5/02G01S5/10
CPCH04W4/20G01S19/05G01S5/0036G01S5/0236G01S5/10H04W64/00H04W4/02G01S19/071G01S19/074H04L67/52H04W64/003G01S19/07
Inventor 斯蒂芬·威廉·埃奇斯文·菲舍尔
Owner QUALCOMM INC