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Method and apparatus for preparing connection transfer between an ip based communication system (lte/sae) and a pdp context based communication system (umts/gprs)

A technology of communication system and context, applied in the direction of connection management, wireless communication, wireless network protocol, etc.

Inactive Publication Date: 2009-10-14
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this often involves substantial investments and compatibility issues between equipment and protocols used between the different entities involved

Method used

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  • Method and apparatus for preparing connection transfer between an ip based communication system (lte/sae) and a pdp context based communication system (umts/gprs)
  • Method and apparatus for preparing connection transfer between an ip based communication system (lte/sae) and a pdp context based communication system (umts/gprs)
  • Method and apparatus for preparing connection transfer between an ip based communication system (lte/sae) and a pdp context based communication system (umts/gprs)

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Embodiment Construction

[0014] Various embodiments are now described with reference to the drawings, wherein like reference numerals are used to refer to like elements throughout. In the following description, for purposes of explanation, numerous specific details are given in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that these embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing the embodiments.

[0015] The techniques described here can be used in various wireless communication networks such as Code Division Multiple Access (CDMA) networks, Time Division Multiple Access (TDMA) networks, Frequency Division Multiple Access (FDMA) networks, Orthogonal FDMA (OFDMA) networks, single carrier FDMA (SC-FDMA) network, etc. The terms "network" and "system" are often used interchangeably. A CDMA network may implement a radio...

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Abstract

In a method and apparatus for providing system interoperability in wireless communications an IP based client-server application maintains a proper set of PDP contexts while a mobile is connected via an IP based system such as LTE / SAE. The application client resides in the mobile and the server resides within the network at a common anchor point (115) between the IP based system (103), and a PDP context based system (111). The PDP contexts are kept up to date but on hold until a handover occurs for the mobile from the IP based system (111).

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Application No. 60 / 848,216, filed September 29, 2006, entitled "METHOD ANDAPPARATUS FOR SYSTEM INTEROPERABILITY IN WIRELESS COMMUNICATIONS." The entire content of this application is incorporated herein by reference. technical field [0003] The present invention generally relates to the field of wireless communication, and more particularly relates to system interoperability in wireless communication. Background technique [0004] Wireless communication systems are widely used to provide various types of communication content, such as voice, data, and so on. These systems may be multiple-access systems capable of supporting communication with multiple users by sharing available system resources (eg, bandwidth and transmit power). Examples of such multiple-access systems include Code Division Multiple Access (CDMA) systems, Time Division Multiple Access (TDMA) system...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/14H04W76/02H04W80/04H04W80/00
Inventor K·I·阿赫马瓦拉
Owner QUALCOMM INC
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