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Addressing method, addressing equipment and addressing system based on handover process

A technology for handover process and equipment, applied in the field of communication, which can solve problems such as message routing

Active Publication Date: 2012-03-21
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0021] In the prior art, the eNB cannot correctly route the message to the corresponding HeNB GW according to the TAI of the target cell

Method used

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  • Addressing method, addressing equipment and addressing system based on handover process
  • Addressing method, addressing equipment and addressing system based on handover process
  • Addressing method, addressing equipment and addressing system based on handover process

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Embodiment Construction

[0045] In the prior art, since an indirect X2 interface can be established between the HeNB and the macro eNB through the HeNB GW, the handover of the UE between the HeNB and the macro eNB can be realized by using the X2 interface. In X2 handover, the source eNB only knows the TAI and ECGI of the target HeNB, but does not know the Global eNB ID of the HeNB GW to which the target HeNB is connected, so that the eNB cannot correctly route the message to the corresponding HeNB GW according to the TAI of the target cell.

[0046] In view of the above problems, an addressing method based on the handover process is provided in the embodiment of the present invention to determine whether the peer device is a HeNB GW, and when it is determined that the peer device is a HeNB GW, address the target HeNB GW according to the TAI , so that the handover request message is correctly routed to the corresponding HeNB GW according to the TAI of the target cell.

[0047] The following will clearl...

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PUM

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Abstract

The invention discloses an addressing method, addressing equipment and an addressing system based on a handover processing. The method includes that a source evolved node B (eNB) determines an equipment type of opposite-end equipment according to type information of the opposite-end equipment, wherein the equipment type of the opposite-end equipment comprises a home evolved node B gateway (HeNB GW). In the handover process, if a target cell is home evolved node B (HeNB), the source eNB determines identity information of the target cell according to tracking area identity (TAI) of the target cell, and finds the equipment type corresponding to the identity information in a routing list according to the identity information. When the found equipment type is HeNB GW, the source eNB sends handover requests to the HeNB GW with the identity information. In a process of conducting X2 handover through the HeNB GW, the eNB can determine whether the opposite-end equipment is the HeNB GW, when the opposite-end equipment is determined to be the HeNB GW, addressing for the target HeNB GW is performed according to the TAI, accordingly, handover request messages are routed to corresponding HeNB GW correctly according to the TAI of the target cell.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to an addressing method, device and system based on a handover process. Background technique [0002] figure 1 It is a schematic diagram of a network architecture including HeNB (home base station) GW (Gateway, gateway) in E-UTRAN (Evolved Universal Terrestrial Radio Access Network, Evolved Universal Terrestrial Radio Access Network). [0003] Such as figure 1 As shown, the X2 interface is between the eNB (Evolved Node B, base station) and the eNB, and the S1 interface is between the eNB and MME (Mobility Management Entity, mobility management entity). The HeNB can be directly connected to the MME, or can be connected through a centralized node The HeNB GW is connected to the MME. Wherein, the HeNB can only be connected to one HeNB GW at the same time, and an X2 interface can be established between the eNB and the HeNB through the HeNB GW. [0004] Specifically, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/08H04W40/02H04W92/20
Inventor 刘爱娟王彦刘洋
Owner DATANG MOBILE COMM EQUIP CO LTD