Switching method, system and device

A switching command and switching instruction technology, applied in the field of switching methods, systems and devices, can solve the problem that the specific mechanism is not determined

Active Publication Date: 2011-03-30
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] In the CoMP system, when CoMP transmission is adopted, the specific mechanism for realizing the non-access handover of the terminal in multiple cells has not yet been determined.

Method used

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  • Switching method, system and device
  • Switching method, system and device
  • Switching method, system and device

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Embodiment Construction

[0113] The technical solution provided by the embodiments of the present invention includes: the terminal judges whether the non-random access handover is successful according to whether it receives a valid message from the network-side target node within a preset time, and performs corresponding processing, so that the terminal performs the non-random access handover In case of failure, random access handover is performed.

[0114]The technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Apparently, the described embodiments are part of the embodiments of the present invention, not all of them. 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.

[0115] In the CoMP system, when multiple transmission points can ...

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Abstract

The embodiment of the invention discloses a switching method, system and device. The switching method comprises the following steps of: when a terminal receives a switching command transmitted by a network side source node to switch in a no-random access mode, judging whether the effective information of a network side target node is received by the terminal in preset time; and if the terminal does not receive the effective information of the network side target node, initiating random access for switching through the terminal. According to the embodiment of the invention, under the condition of no-random switching failure, the terminal performs the switching in a random access mode, therefore, the switching reliability and the user experience feel are improved.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a switching method, system and device. Background technique [0002] The network architecture of the LTE (Long-Term Evolution, long-term evolution) system is as follows: figure 1 As shown, the network side entity is composed of MME / S-GW (Mobility Management Entity / Serving-Gateway, mobility management entity / serving gateway), and eNB (Evolved Node B, evolved base station). The interface between eNB and eNB is X2 interface, and the interface between MME / S-GW and eNB is S1 interface. When the UE moves from one eNB to another eNB, handover is required in order to keep ongoing services from being interrupted. If there is an X2 connection between eNBs, the handover can be done through the X2 interface; if there is no X2 interface between the eNBs, it can be done through the S1 interface. [0003] Such as figure 2 As shown, it is a schematic flow chart of the switchi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W74/08
Inventor 赵毅谌丽高秋彬彦楠
Owner DATANG MOBILE COMM EQUIP CO LTD
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