Rapid downlink switching method in linear overlay network, base station controller (BSC) and base station subsystem

A technology of covering network and fast switching, applied in the field of mobile communication, it can solve the problems affecting the communication quality of users, dropped calls, etc., and achieves the effect of reducing the probability of dropped calls and shortening the time.

Active Publication Date: 2012-04-11
ZTE CORP
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Problems solved by technology

However, the original switching algorithm applied to high-speed rail cannot meet the needs of fast switching of high-speed rail. Some handover algorithms, when the wireless quality of the ser

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  • Rapid downlink switching method in linear overlay network, base station controller (BSC) and base station subsystem
  • Rapid downlink switching method in linear overlay network, base station controller (BSC) and base station subsystem
  • Rapid downlink switching method in linear overlay network, base station controller (BSC) and base station subsystem

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Embodiment Construction

[0048] The solution of the embodiment of the present invention is mainly to configure the neighboring cells of each cell through the BSC, and perform the current MS's operation according to the MS's moving speed and moving direction in the measurement report information reported by the BTS and the neighboring cell level value and the handover direction information saved by the BSC. The cell handover service reduces the time required for handover decision and effectively reduces the chance of dropped calls.

[0049] The technical solution of the present invention will be described below by taking the application of the present invention in a linear private network environment such as high-speed rail as an example, but it is not limited to this situation.

[0050] Such as figure 1 As shown, an embodiment of the present invention provides a downlink fast handover method in a linear overlay network, including:

[0051] Step S101, the BSC performs neighbor cell configuration on each cell;...

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Abstract

The invention relates to a rapid downlink switching method in a linear overlay network, a base station controller (BSC) and a base station subsystem. The method comprises the following steps that: the BSC carries out adjacent area configuration to each cell; lately continuous N measuring report information reported by a base transceiver station (BST) is received and stored; according to the measuring report information or the measuring report information combined with switching direction information of a mobile station (MS) stored by BSC, a cell switching service of the current MS is performed. During switching and deciding, a rapid downlink switching algorithm decision formula is used. Average processing is not needed to be performed to the measuring report data. Simultaneously, a wireless quality condition of the served cell is not needed to be considered and the wireless quality of the adjacent cell is only needed to be considered. Under the condition of not influencing a conversation, switching can be initiated as soon as possible. Time for the switching and the decision can be reduced so that a dropped call rate can be effectively reduced and a demand of rapid switching for a high-speed rail can be satisfied.

Description

Technical field [0001] The invention relates to the field of mobile communication, and in particular to a method for fast down-link switching in a linear overlay network applied to a high-speed railway private network, a BSC and a base station subsystem. Background technique [0002] In GSM (Global System for Mobile Communications, Global System for Mobile Communications) mobile communications, the mobile station (MS, Mobile Station) held by the user is not fixed, and the base station on the network side is fixed. At the same time, Due to the interference of the surrounding environment, as the user moves, the communication quality may tend to deteriorate, especially in fast-moving environments such as high-speed railways. The speed of the train is very fast, even exceeding 350 kilometers per hour, making the user terminal in the train When quickly traversing the serving cell and entering another cell, the call drop problem is very easy to occur. One of the effective measures to ...

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Application Information

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IPC IPC(8): H04W36/08H04W36/32
Inventor 姚海波陈祥榴
Owner ZTE CORP
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