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Method for supporting and switching multiple conversation in wireless access network

A wireless access network and session switching technology, applied in the field of communication, can solve the problem of inability to handle MSS switching, and achieve the effect of simple solution and easy implementation

Inactive Publication Date: 2012-01-25
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to solve the problem that in the prior art, the handover in MSS multi-session situation cannot be handled

Method used

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  • Method for supporting and switching multiple conversation in wireless access network
  • Method for supporting and switching multiple conversation in wireless access network
  • Method for supporting and switching multiple conversation in wireless access network

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0095] Embodiment 1: switching in PMIP mode.

[0096] In PMIP mode, the MIP client agent is in the ASN, and the processing of MIP establishment / release and other request and response messages is transparent to the MSS. The MIP client agent completes all MIP through FA or directly with HA. Initiation and reception of request and response messages such as establishment / release. The switching process in PMIP mode includes the following steps:

[0097] (11) In the R3_Handover.Request message that initiates the handover, the session information of the MSS needs to be sent from the intra ASN MM to the MIP client agent. The session information can include: Session ID, point of attachment address (PoA) in MIP, corresponding HA address, MSS ID, etc. Considering that it is possible to switch a batch of sessions, these session information can be made into a set containing Session ID, PoA Table of addresses and HA addresses.

[0098] In the prior art, the session information only include...

Embodiment 2

[0117] Embodiment 2: switching in CMIP mode.

[0118] In the MIP process, the MIP client is on the MSS, and the MSS completes all MIP establishment / release requests and response message initiation and reception operations through the FA or directly with the HA to establish / release the ASN-GW IP tunnel with HA. For this mode, we call it CMIP. The switching process in CMIP mode includes the following steps:

[0119] (21) In the R3_Handover.Request message that initiates the handover, the session information of the MSS needs to be sent to the ASN-GW FA, and the source serving ASN-GW sends it to the FA module on the target ASN-GW. The above session information can be set in the same way as in Embodiment 1.

[0120] (22) The ASN-GW FA determines the number of tunnels to be established according to the session information.

[0121] (23) Initiate a MIP registration request for each tunnel.

[0122] The ASN-GW FA sends an FA advertisement message to the MSS (MIP client) for each ...

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Abstract

The invention discloses a switching method under a multi-session in a radio access network, comprising the following steps: when an MIP client side agent module receives a switching request message carrying session information groups which is sent by a mobile management unit in an access service network, according to the session information groups, determining tunnels to be built; initiating MIP registration aiming at the tunnels to be built; judging whether the tunnels to be built initiate the MIP registration, if so, returning the switching result information to the mobile management unit in the access service network; or else returning to the step of initiating MIP registration aiming at the tunnels to be built. The invention can solve problem of R3 switch when the multi-session is carried in the same tunnel, and the carrying problem of rebuilding the multi-session during the R3 switch. The scheme of the invention is simple and easy to implement.

Description

technical field [0001] The invention relates to the field of communication, in particular to a switching method in a wireless access network (ASN) supporting multiple sessions. Background technique [0002] With the vigorous development of Internet services and the wide application of wireless networks, General Packet Radio Network (GPRS), the third generation communication network (3G), Microwave Access Worldwide Interoperability Network (WiMAX) and post-3G (B3G, Beyond 3G) etc. Wireless systems have received a large number of applications and attention. The increase in the number of users and the increase in user requirements provide new requirements for the wireless access network system: it is required to support multiple services with large capacity, large data volume and different service quality requirements. That is, the function of multi-session management. [0003] The wireless access network mainly completes the function of forwarding or routing packet services ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W80/10H04L12/56H04W80/04H04L29/06H04W36/26
Inventor 吴建军
Owner HUAWEI TECH CO LTD
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