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Switching method for wireless mobile communication system and system

A mobile communication system and wireless technology, applied in the field of network communication, can solve problems such as ping-pong switching and waste of system resources, achieve the effect of simplifying the synchronization process, avoiding frequent switching, and improving the utilization rate of system resources

Inactive Publication Date: 2007-01-03
HUAWEI TECH CO LTD
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Problems solved by technology

[0013] However, in the actual environment, due to the different moving speeds and moving directions of the MS, the MS will not only stay away from the original serving cell, but also move away from one or some neighboring cells, and gradually approach one or some neighboring cells. The handover decision parameter of the neighbor cell that is moving away has temporarily reached the predetermined threshold, and the neighbor cell will become a candidate target cell, so it may become the new serving cell of the MS during the handover, and because the moving direction of the MS is moving away from this new cell Serving the cell, the MS still needs to continue handover, resulting in ping-pong handover and wasting system resources

Method used

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  • Switching method for wireless mobile communication system and system

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Embodiment Construction

[0046] If the moving direction of the mobile terminal can be estimated in advance, the adjacent cells that the mobile terminal is approaching can be determined, and the target cell of the mobile terminal can be selected from the adjacent cells that the mobile terminal is approaching, it can be avoided that some mobile terminals are moving away but The adjacent cell whose handover decision parameter temporarily reaches the predetermined threshold is handed over to the target cell of the mobile terminal, thereby effectively avoiding the phenomenon of frequent handover and ensuring the signal transmission quality of the serving cell of the mobile terminal after the handover is completed.

[0047] Therefore, the core of the present invention is to obtain the signal transmission parameter value of each adjacent cell of the mobile terminal, and determine the adjacent cell in each adjacent cell to which the mobile terminal is approaching according to the change of the signal transmissi...

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Abstract

A method for carrying out switching in radio mobile communication system includes obtaining signal transmission parameter value of each adjacent cell at mobile terminal, confirming adjacent cell closing to by mobile terminal in various adjacent cells according to said signal transmission parameter value, confirming object cell of mobile terminal according to adjacent cell closing to by mobile terminal and carrying out switch decision and switch course of mobile terminal.

Description

technical field [0001] The present invention relates to the technical field of network communication, in particular to a handover method and system in a wireless mobile communication system. Background technique [0002] A wireless mobile communication system generally includes two basic components, a BS (base station) and an MS (mobile terminal). The mutual communication between the BS and the MS is not realized through a wired channel, but is realized in a wireless manner by transmitting and receiving electromagnetic waves through a wireless transceiver. Each wireless transceiver has a certain coverage area. If the coverage area is exceeded, the communication between the BS and the MS will be interrupted. [0003] A BS can communicate with multiple MSs within its coverage. The signal sent by the BS to the MS is called a downlink signal, and the signal sent by the MS to the BS is called an uplink signal. The coverage of each BS is limited, but a plurality of BSs can be li...

Claims

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Application Information

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IPC IPC(8): H04Q7/38H04W36/00H04W56/00
Inventor 朱静宁
Owner HUAWEI TECH CO LTD
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