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Method and device for transmitting switching information

A technology of connection information and handover type, applied in the field of communication, which can solve the problems of inability to realize handover and indeterminacy.

Active Publication Date: 2011-05-25
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0004] However, there is no direct interface between the HeNB under the HeNB GW and other eNBs, and the HeNB does not know whether there is an X2 interface between the HeNB GW and the handover target eNB, so it cannot be determined whether to initiate an S1 handover or an X2 handover during the handover process. making it impossible to switch

Method used

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  • Method and device for transmitting switching information

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Embodiment Construction

[0031] In the embodiment of the present invention, the HeNB GW sends the connection information of the neighboring base stations to the HeNB, so that the HeNB can determine the handover type according to the obtained connection information, and then help the HeNB complete the handover process. In this embodiment, the adjacent base station may be an evolved base station (eNB) or the like.

[0032] This embodiment involves S1 interface switching and X2 interface switching. The S1 interface refers to: in the LTE (Long Term Evolution) system, the interface connecting the RAN (Radio Access Network) side base station and the core network entity MME. For example: the interface between the macro base station (such as eNB) and MME; the interface between HeNB and HeNB GW and HeNB GW and MME are all S1 interfaces. The functions of S1 interface include UE context management, bearer management, UE mobility management , configure functions such as information management and transmission. ...

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Abstract

The invention discloses a method for transmitting switching information, which aims to ensure that a home evolved node B (HeNB) acquires switching-related information so as to promote the realization of a switching process. The method comprises the following steps that: a home evolved node B gateway (HeNB GW) acquires the link information of an adjacent node B; and the HeNB GW transmits the acquired link information of the adjacent node B to the HeNB. The invention also discloses a method for switching cells and a device for realizing the method.

Description

technical field [0001] The invention relates to the communication field, in particular to a method and a device for transmitting handover information. Background technique [0002] With the development of communication technology and the popularization of mobile terminals, the number of users and business volume are increasing rapidly. In order to meet user requirements and reduce coverage blind spots, the industry has proposed an E-UTRAN (Evolved Universal Terrestrial Radio Access Network) network architecture. see Figure 1A As shown, the E-UTRAN network architecture includes MME (Mobility Management Entity) or S-GW (Serving Gateway), eNB (Evolved Base Station), HeNB GW (Home Evolved Base Station Gateway) and HeNB (Home Evolved Base Station). The X2 interface is used between eNBs; the S1 interface is used between eNB and MME; HeNB can be directly connected to MME, or connected to MME through a HeNB GW. HeNB GW is similar to an eNB, has its own eNB ID (evolved base statio...

Claims

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Application Information

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IPC IPC(8): H04W36/08
Inventor 刘洋赵瑾波
Owner DATANG MOBILE COMM EQUIP CO LTD
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