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Maintaining ims registration while disconnected from ip bearer

A technology for multimedia subsystems and registration request messages, which is applied in the field of Internet protocol multimedia services, and can solve problems such as network resource burden and shortened battery life of user equipment

Inactive Publication Date: 2010-10-27
辛赫罗尼卡公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Maintaining long-term IP connections through such conventional techniques can place a severe burden on user equipment (e.g., battery life may be shortened) as well as network resources (e.g., in GPRS, a large number of Packet Data Protocol (PDP) contexts may need to be kept active simultaneously)

Method used

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  • Maintaining ims registration while disconnected from ip bearer
  • Maintaining ims registration while disconnected from ip bearer
  • Maintaining ims registration while disconnected from ip bearer

Examples

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Embodiment Construction

[0021] The present invention enables an IMS UE to maintain its registration in the IMS even when the UE is disconnected from the IP bearer, thereby allowing the IMS UE to maintain its registration in the IMS even when the IMS coverage is unstable, and also makes the traditional Advanced UE and network technologies can support IMS UEs without requiring UEs to maintain long-term IP connections.

[0022] Definitions of IMS-related terms contained herein are in accordance with the definitions provided in 3GPP TS 21.905 v7.3.0 "Vocabulary for 3GPP Specifications" dated March 2007, unless otherwise indicated. now refer to figure 1 , an IP multimedia service system 10 according to an embodiment of the present invention will now be described. The IP multimedia service system 10 includes an access network 100 , an IP multimedia core network subsystem (IMS) 200 and one or more application servers 300 .

[0023] A core network 100 comprising one or more user equipments (UEs) 110 and a...

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PUM

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Abstract

A proxy maintains registration in an IP Multimedia Subsystem (IMS) network for a user equipment while the user equipment is disconnected from the system. The user equipment connects to the proxy and establishes a proxy session with the proxy. The proxy opens a proxy session for the user equipment, establishes a registration within said IMS network for IMS services on behalf of the user equipment; and maintains the registration for the user equipment for the duration of the proxy session. While the proxy session is ongoing, the user equipment can disconnect from the IP proxy.

Description

[0001] relevant application [0002] This application claims priority to U.S. Patent Application No. 60 / 948,075, filed July 5, 2007, and U.S. Patent Application No. 12 / 165,849, filed July 1, 2008, both of which are incorporated by reference merged here. technical field [0003] The present invention relates generally to Internet Protocol (IP) multimedia services, and in particular to maintaining IP Multimedia Core Network Subsystem (IMS) registrations while a User Equipment (UE) is disconnected from an IP bearer. Background technique [0004] IMS is a standard architecture for network operators and service providers who wish to provide mobile and fixed IP multimedia services to customers regardless of their location, access technology and user equipment. IMS runs on top of standard IP and provides network operators and service providers with the ability to control and bill for individual IMS-based services, and allows customers to perform services in both home and roaming ...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08
CPCH04L12/2856H04L29/06217H04L29/08576H04L29/06333H04L65/1073H04L29/08612H04L65/1016H04L67/14H04L67/145
Inventor J·雷尼尔C·卡瓦H·索科尔森
Owner 辛赫罗尼卡公司
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