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Method and device for use in a communication network

A network and user terminal technology, which is applied in the field of communication networks and can solve problems such as long call setup times

Active Publication Date: 2016-10-05
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This results in long call setup times when the UE is visiting in 2G access with multiple access networks (i.e. GSM and / or UMTS radio access network together with LTE radio access network)

Method used

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  • Method and device for use in a communication network
  • Method and device for use in a communication network
  • Method and device for use in a communication network

Examples

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Embodiment Construction

[0072] A method of obtaining information on a UE connected to an evolved packet core network will now be described. In particular, this method enables a subscriber registrar, such as a Home Subscriber Server, to obtain location and / or status information of user terminals registered with both the MME and the SGSN. This method involves the HSS sending a request for the location and / or status of the user terminal to the MME and SGSN with which the user terminal is registered. Both the MME and the SGSN will then try to determine the location and / or status of the user terminal based on the request from the HSS. Location information may include a cell ID or service area ID, while status information may include an indication of whether the user terminal is in active or idle mode or information about the availability of certain services to the user terminal, such as voice over IMS.

[0073] If the UE is in active mode, both the MME and the SGSN will be able to provide the last locati...

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PUM

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Abstract

According to a first aspect of the present invention there is provided a method of operating a mobility management node to provide location and / or status information of user terminals connected to an evolved packet core network. The method comprises: receiving a request from a subscriber register for location and / or status information of a user terminal; determining the location and / or status information of the user terminal; and sending a response to the subscriber register containing the determined location and / or status information.

Description

technical field [0001] The present invention relates to methods and devices for use in communication networks. More specifically, the present invention relates to methods and devices for obtaining status and / or location information of user terminals connected to an evolved packet core network. Background technique [0002] Long Term Evolution (LTE) technology, introduced in 3GPP Release 8, is the next major step in mobile radio communications. It will give an excellent user experience and support even more on-demand applications, such as interactive TV, user-generated video, advanced games and professional services. LTE uses OFDM (Orthogonal Frequency Division Multiplexing) radio access technology together with advanced antenna technology. [0003] figure 1 An LTE system architecture is exemplified, including an E-UTRAN radio access network and an Evolved Packet Core (EPC) network. E-UTRAN includes eNodeBs (not shown) that provide a radio interface towards user equipment...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W64/00
CPCH04W64/00H04W8/08H04W68/00H04W88/06
Inventor M.奥尔森G.哈尔M.哈伦斯塔尔R.凯勒F.林德霍尔姆
Owner TELEFON AB LM ERICSSON (PUBL)