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Switching-over method based on moving speed

A mobile speed, mobile station technology, applied in the direction of wireless communication, electrical components, etc., can solve the problems of increasing system control burden, unreasonable handover, call control difficulties, etc., to improve handover sensitivity, reduce control burden, high bandwidth Effect

Inactive Publication Date: 2006-10-25
SHANGHAI HUAWEI TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0003] The disadvantage of the prior art is that if the mobile station is relatively fixed, it will rarely cause unreasonable handover even in a dense cell network, but if the moving speed of the mobile station is very large relative to the size of the cell , is fast moving. For example, the moving speed of the mobile station is 15m / s, and the radius of the microcell to which it belongs and the adjacent microcell are both about 10m. The frequent and rapid movement between micro cells makes this rapid movement lead to quite a lot of handovers, making call control very difficult, frequent handover operations, and increasing the control burden of the system and reducing service quality

Method used

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  • Switching-over method based on moving speed

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Embodiment Construction

[0023] With the development of positioning technology, it is possible to obtain the moving speed of the mobile station in real time. At present, through the positioning technology, the mobile station can obtain position information such as its own longitude, latitude and moving speed. Based on this, the present invention proposes a switch mode.

[0024] The present invention will be described in further detail below with reference to the accompanying drawings and examples.

[0025] See figure 1 , figure 1 It is a schematic diagram of the handover process based on the mobile speed in the GSM network. Such as figure 1 As shown, the implementation process of handover based on mobile speed in the GSM network is as follows:

[0026] Step 101: Mobile Switching Center (MSC, Mobile Switch Center) sends a message to the MS through a task registration (REGISTER) message, the message carries a moving speed threshold, and notifies the MS to report when the moving speed reaches a certa...

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Abstract

The method includes steps: (1) network side sets up threshold value of motion speed for mobile station, and informs the threshold value to the mobile station; (2) mobile station monitors and determines whether self motion speed reaches to the threshold value; when motion speed reaches to the threshold value, mobile station makes report to network side; (3) after receiving the said report, mobile station carries out switching between cells in different layers. Based on motion speed, the method makes mobile station switch between cells in different layers.

Description

technical field [0001] The invention relates to handover technology in a mobile communication system, in particular to a handover method based on moving speed. Background technique [0002] There are multi-layer network coverage in the mobile communication network. The so-called multi-layer network coverage means that the coverage area of ​​one layer of cells is superimposed on the coverage area of ​​another layer of cells. The area covered by the multi-layer network depends on the size of the cell coverage. It can be divided into several cells of different layers. The cell with the largest coverage is the cell at the highest layer, and the cell with the smallest coverage is the cell at the lowest layer. Cells with relatively high layers often cover multiple cells with relatively low layers. For example, in a multi-layer Global System for Mobile Communications (GSM, Global System for Mobilecommunications) network, there may be umbrella (Umbrella) cells, macro (Macro) cells, ...

Claims

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Application Information

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IPC IPC(8): H04W24/10H04W36/04H04W36/32
Inventor 袁毅王超
Owner SHANGHAI HUAWEI TECH CO LTD
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