Communication method, apparatus and system

A communication method and equipment technology, applied in the field of communication methods, equipment and systems, capable of solving the problems of low success rate of RRC connection re-establishment

Inactive Publication Date: 2014-05-07
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If there is no normal X2 link between the target eNB of the UE and the source eNB

Method used

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  • Communication method, apparatus and system
  • Communication method, apparatus and system
  • Communication method, apparatus and system

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Embodiment Construction

[0108] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0109]The technology described in this article can be used in various communication systems, such as current 2G, 3G communication systems and next-generation communication systems, such as Global System for Mobile Communications (GSM, Global System for Mobile communications), Code Division Multiple Access (CDMA, Code Division Multiple Access) system, Time Division Multiple Access (TDMA, Time Division Multiple Access) system, Wideband Code Division Multiple Acce...

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Abstract

The present invention provides a communication method, apparatus and system. The method comprises: a base station receives a wireless resource control RRC connection reestablishment request sent by user equipment UE, wherein the RRC connection reestablishment request is used for requesting the reestablishment to a first cell controlled by the base station; if the context of the UE is not stored in the base station, the base station obtains the context of the UE from a mobile management entity MME; the base station sends an RRC connection reestablishment setup message to the UE, and receives an RRC connection reestablishment completion message sent by the UE; and the base station sends a handover command to the MME. The present invention solves the problem that the success rate of RRC connection reestablishment by user equipment is low in the prior art.

Description

technical field [0001] The present invention relates to communication technology, in particular to a communication method, device and system. Background technique [0002] A long term evolution system (Long Term Evolution, LTE) system includes an evolved base station (Evolved NodeB, eNB) and an evolved packet switching center (Evolved Packet Core, EPC). Wherein, the eNB and the EPC are connected through the S1 interface, and the eNBs are connected through the X2 interface. Both the S1 interface and the X2 interface are logical interfaces. One EPC can manage one or more eNBs, one eNB can also be controlled by multiple EPCs, one eNB can manage one or more cells (cells). [0003] In the prior art, when there is an X2 link between the target eNB of the User Equipment (UE) and the source eNB of the UE and the X2 link is normal, the target eNB of the UE can obtain the UE from the source eNB of the UE. context to improve the success rate of radio resource control (Radio Resource...

Claims

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Application Information

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IPC IPC(8): H04W36/08H04W76/02
Inventor 王岩陈雄飞宋平
Owner HUAWEI TECH CO LTD
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