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Method and apparatus for location determination in fixed communication access networks

A technology of access network and location, applied in service based on location information, telephone communication, wireless communication, etc.

Inactive Publication Date: 2013-01-30
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] The object of the present invention is to solve the problems outlined above and to provide a solution for obtaining reliable location information of subscriber terminals connected to an IP access network, such as location information for providing to an emergency center in case of an emergency call

Method used

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  • Method and apparatus for location determination in fixed communication access networks
  • Method and apparatus for location determination in fixed communication access networks
  • Method and apparatus for location determination in fixed communication access networks

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Experimental program
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Embodiment Construction

[0039] The present invention provides a solution for obtaining the location of a calling subscriber terminal connected to an IP access network to support communication services requiring or needing such information, such as emergency services in particular. The fact that the different endpoints and other network nodes in the IP access network are in most cases physically located under the radio coverage of the mobile (or cellular) network can be exploited in the following way. Alternatively, satellite-based navigation systems such as GPS (Global Positioning System) or Galileo may be utilized.

[0040] Briefly, if a mobile network is utilized, broadcast signals from one or more base stations in the mobile network are received by a radio receiver located relatively close to the calling terminal, and location related information is derived from the received broadcast signals. The position related information can be used to determine the position of the radio receiver and thus als...

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Abstract

A method and apparatus for obtaining the position of a calling subscriber terminal ( 400 ) connected to a fixed IP access network ( 402 ) at an end point. A Location Information Component LIC ( 404 ) including a radio receiver ( 404 a) is placed in the vicinity of the end point to represent the position of the terminal. Broadcasted mobile network signals or satellite navigation signals are received, and position-related information is derived from the signals and added to a data stream (A1) from the terminal, before sending the stream over the IP access network. A centrally arranged Location Information Aggregator LIA ( 408 ) then receives the modified data stream (A2), extracts the position-related information, and associates location information on the terminal with a network address of the end point or an identity of the terminal. Thereby, reliable location information can be obtained for calling terminals to be available to a called party or used application.

Description

technical field [0001] The present invention generally relates to methods and apparatus for determining the location of a calling party in a fixed IP access network. In particular, the present invention may be used to provide location information of a calling party in situations where location information is required at the time of a call, such as an emergency call. Background technique [0002] The current telecommunication development trend is that the fixed access network is developing from a circuit-switched network to a packet-switched network. The packet-switched network allows broadband access based on IP (Internet Protocol) to meet the growing demand for multimedia communications. Multimedia services generally require IP-based delivery of encoded data representing media in different formats and combinations (including audio, video, images, text, documents, animation, etc.). [0003] Traditional telephones are thus replaced by IP terminals capable of packet-based mul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/66H04M11/04H04W4/90H04W8/08H04W64/00
CPCH04W76/007H04W4/22H04W8/08H04W64/00H04L12/2856H04M11/06H04W76/50H04W4/90H04M11/062H04W4/02H04L67/52
Inventor J·博林
Owner TELEFON AB LM ERICSSON (PUBL)