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Method, system and apparatus for processing switch

A processing method and technology for handover requests, applied in transmission systems, data exchange through path configuration, electrical components, etc., can solve problems such as time limit for sending handover notification messages, and achieve the effect of achieving integrity and overcoming delay problems

Active Publication Date: 2009-04-22
HUAWEI TECH CO LTD
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Problems solved by technology

[0036] Embodiments of the present invention provide a handover processing method, system, and device to solve the problem that the data path pre-registration process must be completed in the handover preparation phase when data integrity is achieved during handover, Anchor ASN unicasts data along multiple paths, and handover notification messages The problem of the sending timing limit of the

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  • Method, system and apparatus for processing switch
  • Method, system and apparatus for processing switch

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Embodiment Construction

[0064] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0065] In Embodiment 1 of the present invention, a handover processing method such as Figure 5 As shown, the specific steps are as follows:

[0066] Step S501, the Serving ASN sends a handover request to one or more TargetASNs according to the handover request sent by the MS.

[0067] In step S502, the Target ASN initiates a data path pre-establishment process to the Anchor ASN after receiving the handover request sent by the Serving ASN.

[0068] Step S503, after the Anchor ASN receives the data path pre-establishment request sent by the Target ASN, it stops sending data to the Serving ASN, caches the data received from the HA (Home Agent, home agent), and caches the first cached data The serial number SN' is sent to the Target ASN, and the TargetASN can send the SN' to the Serving ASN through a hando...

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Abstract

The invention discloses a switching processing method. The method comprises the following steps: an MS which is a Target ASN to be switched acquires a serial number SN' of a first data cached by an Anchor ASN and a serial number SN of a last data which is not transmitted to the MS by a Serving ASN; the Target ASN acquires data with the serial number between the SN and the SN' from the Serving ASN; and the Target ASN transmits the data with the serial number starting from the SN to the MS. By the method, the data integrity during switching can be realized no matter a data path pre-registration process is completed during a switching preparation stage or a switching execution stage, and meanwhile, the Anchor ASN dose not need to unicast data to all Target ASNs, and the problem of the switching time delay is overcome.

Description

technical field [0001] The present invention relates to the technical field of communications, and in particular to a handover processing method, system and device. Background technique [0002] WiMAX (Worldwide Interoperability for Microwave Access) is a wireless metropolitan area network technology based on the IEEE 802.16 standard. The WiMAX network is mainly composed of three parts: MSS / SS (client), ASN (Access Service Network, access service network), CSN (Connectivity Service Network, connection service network). Among them, ASN includes BS (Base Station, base station) and ASN-GW (ASN Gateway, access service network gateway), CSN includes logical entities such as AAA Server (Authentication Authorization Accounting, authentication, authorization and accounting server). The wireless side of the WiMAX network is a wireless metropolitan area network access technology based on the IEEE 802.16d / e standard, which mainly follows the IEEE 802.16-2004 (802.16d) standard formula...

Claims

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Application Information

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IPC IPC(8): H04W36/00H04W84/12H04L12/28H04L29/06
CPCH04W36/02
Inventor 郭均祥
Owner HUAWEI TECH CO LTD
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