User plane location services over session initiation protocol (SIP)

Inactive Publication Date: 2008-05-29
TELECOMM SYST INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is the case that there are some scenarios where conventional use of User Plane Location Services does not work well or does not work at all.
For example, one scenario in which a target device (e.g., SET) has Internet access via, e.g. WLAN, LAN, or DSL, it may not be possible for the location server to initiate location by use of an SMS message, or WAP Push.
This is particularly true if the location server cannot determine the IP address of the target device,

Method used

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  • User plane location services over session initiation protocol (SIP)
  • User plane location services over session initiation protocol (SIP)
  • User plane location services over session initiation protocol (SIP)

Examples

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Embodiment Construction

[0034]The present invention introduces a method and a mechanism that allows a location server to initiate the user plane location service procedure to a user plane enabled device via Instant Messaging, or alternatively, via an existing SIP session if a multimedia session is already established.

[0035]Session Initiation Protocol (SIP) is an Internet Engineering Task Force (IETF) standard protocol for initiating an interactive user session that involves multimedia elements such as video, voice, chat, gaming, virtual reality, etc. SIP is specified in IETF Request for Comments (RFC) 3261 (replacing 2543). Like HTTP or SMTP, SIP works in the application layer of the open systems interconnection (OSI) communications model. SIP can also be used to invite participants to sessions that do not necessarily involve the initiator. Because SIP supports name mapping and redirection services, it makes it possible for users to initiate and receive communications and services from any location, and fo...

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PUM

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Abstract

A method and mechanism to allow a location server to initiate a user plane location service (e.g., SUPL defined by OMA) procedure to a user plane enabled device via Instant Messaging, or alternatively, via an existing SIP session if a multimedia session is already established. The location request is signaled to the user plane enabled device via a SIP INFO message. The location request uses SIP messaging to overcome firewall and other network security issues. Location using SUPL over SIP may be provided about a caller making an E911 emergency call. An Instant Message may be sent to the user plane enabled device, e.g., a VoIP wireless phone.

Description

[0001]The present application claims priority from U.S. Provisional Application No. 60 / 861,267, entitled “User Plane Location Service over Session Initiation Protocol (SIP)”, filed Nov. 28, 2006, the entirety of which is expressly incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]This invention relates generally to wireless and long distance carriers, Internet Service Providers (ISPs), and information content delivery services / providers and long distance carriers. More particularly, it relates to location services for the wireless industry.[0004]2. Background of Related Art[0005]Location information regarding subscribers or subscribers' individual devices is becoming increasingly available in a wireless network. Location information relates to absolute coordinates of a wireless device.[0006]FIG. 4 shows a conventional LoCation Services (LCS) request.[0007]In particular, as shown in FIG. 4, a location server 106 requests location informa...

Claims

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Application Information

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IPC IPC(8): G06F15/16H04W4/02H04W4/029H04W4/90
CPCH04L12/581H04L67/18H04L51/04H04L51/043H04L63/0209H04M3/42348H04M7/006H04M2207/18H04M2242/04H04M2242/30H04W4/02H04W12/08H04L65/1006H04L65/1096H04L67/04H04L12/5815H04W4/90H04L65/1104H04L67/52H04W64/00H04W64/003H04W12/088H04W4/029
Inventor ZHU, YINJUNHINES, JOHN GORDONMARSHALL, ROGERYANG, FEIBURTON, VICTOR
Owner TELECOMM SYST INC
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