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Generic broadcast of location assistance data

A technology for auxiliary data and broadcast messages, which is applied in the direction of location information-based services, broadcast service distribution, data exchange details, etc., can solve problems such as the inability to broadcast auxiliary data, and achieve the effect of accurate positioning

Active Publication Date: 2014-04-30
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The second reason is that the broadcast assistance data standard is based on an old 3GPP version (Release 98 completed in 1999) and does not contain any assistance data enhancements defined since then
A third reason is that some broadcast systems, such as those already defined to support GSM and UMTS broadcasting position assistance data, have limited bandwidth and cannot broadcast large amounts of assistance data (such as GNSS (Global Navigation Satellite System) almanac data) with low latency. )

Method used

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  • Generic broadcast of location assistance data
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Examples

Experimental program
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Embodiment Construction

[0070] LCS support over or associated with a wireless network typically employs a location server in or associated with the network, which enables the location of the mobile terminal to be obtained by the location server and / or by the terminal. The location may be required (e.g., requested) by some client application, which may be internal to or associated with the mobile terminal (e.g., an application or the mobile terminal user) or may be external to the network and not directly associated with a mobile terminal. In some standards and implementations, mobile terminals may make measurements of radio emissions from network base stations, access points (e.g., WiFi access points (APs)), and / or satellites (e.g., Global Positioning System (GPS)) , and these measurements may be transmitted (eg, on request) to a location server for computing the mobile terminal location by the location server. In other standards and implementations, the mobile terminal may make radio measurements a...

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PUM

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Abstract

Various techniques are provided for Location Services (LCS) Assistance Data broadcast, for example for implementation in LTE and LTE-A systems. The embodiments described herein may use the LPP / LPPe positioning protocol, by making use of existing unsolicited Provide Assistance Data (PAD) messages. Embodiments avoid the need to define and implement a separate broadcast Assistance Data protocol. Additional exemplary embodiments for scheduling and verifying of the broadcast Assistance Data messages are described herein.

Description

Background technique [0001] Location Services (LCS) provided by or associated with a wireless network may be useful or integral to many applications, such as locating a user making an emergency call, obtaining navigation (e.g., driving directions), locate nearby friends or facilities, or track valuable objects and assets. [0002] The Long Term Evolution (LTE) Radio Access Interface is a standard in the mobile phone network technology tree developed by the Third Generation Partnership Project (3GPP), which also produced the Global System for Mobile Communications (GSM), enhancement data for GSM Evolution Express (EDGE), Universal Mobile Telecommunications System (UMTS) and High Speed ​​Packet Access (HSPA) network technologies. The LTE Positioning Protocol (LPP) is a protocol defined by 3GPP to support LCS in wireless networks based on LTE with the ability to locate user equipment (UE). LPP Extensions (LPPe) is a positioning protocol developed by the Open Mobile Alliance (OM...

Claims

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Application Information

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IPC IPC(8): H04W4/02H04W4/20G01S19/25
CPCH04W64/00H04L2209/80H04W12/10H04W4/06H04W12/04H04W4/20H04W4/02H04L9/0637H04L9/3249G01S19/05H04L63/12G01S19/25H04W12/033H04L12/18H04W12/02H04W12/06
Inventor 斯蒂芬·威廉·埃奇斯文·菲舍尔菲利浦·迈克尔·霍克斯
Owner QUALCOMM INC
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