Wireless network architecture and protocol for location services in GPRS packet data network

A packet data network and business technology, applied in the direction of data exchange network, service based on location information, wireless communication, etc., can solve the unresolved and unfinished problems of the communication protocol

Inactive Publication Date: 2004-06-02
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the communication protocol for the GPRS network is still under development and not yet complete
Therefore, many aspects of the communication protocol required to support LCS within a GPRS network have not yet been addressed

Method used

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  • Wireless network architecture and protocol for location services in GPRS packet data network
  • Wireless network architecture and protocol for location services in GPRS packet data network
  • Wireless network architecture and protocol for location services in GPRS packet data network

Examples

Experimental program
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Embodiment Construction

[0016] FIG. 1 illustrates a logical structure of a packet-switched network 30 implementing the General Packet Radio Service (GPRS) developed for the Global System for Mobile Communications (GSM). The packet switching network 30 of Fig. 1 comprises at least one Serving GPRS Support Node (SGSN) 32, Gateway GPRS Support Node (GGSN) 34, Home Location Register (HLR) 36, Serving Mobile Location Center (SMLC) 38, Gateway Mobile Location Center ( GMLC) 40 , Base Station Subsystem (BSS) 60 , optional Location Measurement Unit (LMU) 70 and Mobile Station (MS) 80 .

[0017] The SGSN 32 contains the functions required to support GPRS. SGSN 32 provides network access control for packet switched network 30 . Network access is the means by which a user is able to connect to a telecommunications network and thereby use the network's services. SGSN 32 is typically connected to BSS 40 via a frame relay connection. Within the packet switched network 30, more than one SGSN 32 may exist.

[00...

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Abstract

A method and apparatus for transmitting a location service message between a location server and a mobile station or LMU in a GPRS wireless communications system. The location server generates a location service message and transmits the location service message to a base station subsystem; the base station subsystem forwards the location service message to a serving GPRS support node; the serving GPRS support node then forwards the location service message to a mobile station or LMU), passing transparently back through the base station subsystem. This approach to system routing of location messages allows existing circuit-switched wireless communications systems to support location services in a GPRS environment with a minimum of alterations to existing hardware and software protocols.

Description

technical field [0001] The present invention relates generally to the field of wireless communication systems, and more particularly to location services for use with the General Packet Radio Service. Background technique [0002] Global System for Mobile Communications (GSM) is a global standard for radio communications. The various GSM-defined standards (GSM 900, GSM 1800, GSM 1900, etc.) are already used in many countries around the world to provide cellular radio communication services. The GSM standard was developed primarily for voice communications, but it is also used to provide circuit-switched data services that require a continuous connection. General Packet Radio Service (GPRS) is the latest development of the GSM standard for providing packet-switched data services to GSM mobile stations. Packet-switched data services are used to send small amounts of data or for intermittent or bursty data transfers. Typical applications of GPRS include Internet browsing, wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04W8/10
CPCH04W4/02H04W8/10
Inventor H·卡尔森L·林贝克
Owner TELEFON AB LM ERICSSON (PUBL)
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