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Positioning control in mobile communication network

A technology of telecommunication network and mobile station, which is applied in the field of GSM network and can solve problems such as delay positioning and delay

Inactive Publication Date: 2013-03-13
UNWIRED PLANET
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, the location service entity can use trial and error to select an appropriate location method, but this will delay the location, and possibly to an unacceptable degree in the case of an emergency call

Method used

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  • Positioning control in mobile communication network
  • Positioning control in mobile communication network
  • Positioning control in mobile communication network

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0018] Fig. 1 schematically shows a positioning service unit existing in a mobile communication network. The figure shows two mobile stations 10 and 10', each of which is connected to a core network part 20 via an access network. A first mobile station 10 shown in the upper part of Fig. 1 is connected to a GSM access network or base station subsystem BSS 30 via a radio link Um. The base station subsystem BSS 30 comprises a base station controller BSC 32 and a plurality of base transceiver stations, one of which 31 is shown in the figure. The base transceiver station 31 supports the wireless link Um to the mobile station 10 . Each base transceiver station is connected to and controlled by a base station controller BSC 32 . The access network 30 is in turn connected to a core network 20, which is either a GSM or UMTS core network, or alternatively supports both standards. The various interfaces between the access network 30 and the core network support GSM telephony traffic o...

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PUM

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Abstract

The present invention relates to an improved location process for determining the location of mobile stations when a GSM network is extended by other access networks, for example unlicensed radio access networks. An access network controller supporting a connection with the mobile station sends a location service entity a location request that includes information indicative of at least one positioning method supported by the network element for a particular mobile station. By providing the location service entities with information on the location methods to use, there is no need to configure the location service entities with this information in advance. Moreover, the process is flexible and can be tailored to the network element making the request and thus to the type of connection actually used by the mobile station. There is no need for the location entities to launch several location methods before retrieving sufficiently accurate information since the most suitable methods are communicated in advance.

Description

technical field [0001] The present invention relates to mobile telecommunications networks, and in particular to GSM networks extended by access networks utilizing other mobile technologies. Background technique [0002] In a GSM network, information about the location of a mobile station is provided by a location service entity, which is arranged within or connected to a base station subsystem. These location service entities respond to location requests from the core network by estimating the location of the mobile station and returning the results to the core network. In performing the estimation, the location service entity may use various access network resources, including base stations, mobile stations, and dedicated resources for obtaining necessary information. The information may include cell location for the mobile station, timing advance information, mobility-assisted enhanced observed time difference, mobile-based enhanced observed time difference, and radio ch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/20H04W64/00
CPCH04W64/00
Inventor H·尼斯卡J·维克伯格T·尼兰德
Owner UNWIRED PLANET