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Base station switching method and device

A technology for base station switching and switching messages, which is applied in the field of communication, and can solve problems such as failure to consider group call bearer management, large system signaling overhead, and long time required for S1 interface switching, so as to reduce system signaling overhead and improve Efficiency, the effect of reducing the time required

Active Publication Date: 2013-12-04
DATANG MOBILE COMM EQUIP CO LTD
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AI Technical Summary

Problems solved by technology

[0004] To sum up, in the TD-LTE trunking system solution in the prior art, the management of the original group call bearer is not considered in the S1 interface switching process, and the system signaling overhead is relatively large, and the time required for the S1 interface switching process is relatively long. long

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Embodiment Construction

[0019] Embodiments of the present invention provide a base station handover method and device, which are used to reduce system signaling overhead, reduce the time required for the S1 interface handover process, and thereby improve the handover of the base station that will serve the UE from the source eNodeB to the target eNodeB based on the S1 interface. s efficiency.

[0020] The network architecture of the TD-LTE broadband multimedia cluster based on the embodiment of the present invention is as follows: figure 2 As shown, the network system includes user equipment (UE), evolved base station (eNB), trunking mobility session management entity (Trunking Mobility Session Entity, TMSE), scheduling server, home subscriber server (Home Subscriber Server, HSS) and scheduling several parts. Under the system architecture, the core network adopts the idea of ​​centralization, and the functions of core network equipment (including MME / SGW / PGW) are unified by TMSE, and TMSE directly ...

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Abstract

The invention discloses a base station switching method and device. The base station switching method and device are used for reducing system signaling overheads and shortening time required by an S1 interface switching process, thereby improving the efficiency for switching a base station serving for UE from a source eNodeB to a target eNodeB on the basis of an S1 interface. The base station switching method includes the steps that a source cluster mobility session management entity TMSE serving for the UE receives switching information sent by the source evolution type base station eNodeB; the source TMSE enables the base station serving for the UE to be switched from the source eNodeB into the target eNodeB according to the switching information.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a base station switching method and device. Background technique [0002] The S1 interface handover between the evolved base station (eNodeB, eNB) and the core network side defined in the LTE system specified by 3GPP is used to initiate handover between eNodeBs based on the S1 interface reference point when the X2 interface handover between eNodeBs is not available. This function is used to relocate the mobile management entity (Mobile Management Entity, MME) during the handover process, or both the MME and the serving gateway (Serving Gateway, S-GW) need to be relocated, or the MME has not changed, but there is no X2 between eNBs Various scenarios during the interface, the specific process is as follows figure 1 As shown, steps 1 to 21b are included. [0003] In the existing system, the S1 interface handover process of the user equipment (UE) is determined by ...

Claims

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Application Information

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IPC IPC(8): H04W36/08
Inventor 王一唯习建德杨今明常艳蒋石竹阮楠李翔任世岩
Owner DATANG MOBILE COMM EQUIP CO LTD
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