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Method, system and base station for selecting target cell

A technology for target cell and target selection, applied in electrical components, wireless communication and other directions, can solve the problems of unbalanced cell load and heavy cell load.

Inactive Publication Date: 2011-05-18
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, since the higher the frequency, the greater the fading of the wireless signal, so using the existing technology, the user terminal will preferentially select the frequency point or wireless access system with low frequency, resulting in individual access frequency points and / or wireless The cell load of the access system is too heavy, which causes the problem of unbalanced cell load of different access frequency points and / or wireless access systems

Method used

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  • Method, system and base station for selecting target cell
  • Method, system and base station for selecting target cell
  • Method, system and base station for selecting target cell

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Embodiment Construction

[0061] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0062] refer to figure 1 , which shows a flow chart of steps of an embodiment of a method for selecting a target cell according to the present invention, which may specifically include:

[0063] Step 101, when the user terminal needs to switch cells, the base station selects a preparation cell from qualified candidate cells;

[0064] Wherein, the prepared cell is a cell determined according to the frequency point and / or the priority of the wireless access system, and the frequency point and / or wireless access system is a frequency point and / or a frequency point that meets the service and capability requirements of the current user terminal or wireless access system;

[0065] Step 102: Send a handover request to the preparation c...

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Abstract

The invention discloses a method for selecting a target cell. The method comprises the following steps of: when a user terminal needs to switch a cell, selecting a preparation cell from candidate cells satisfying conditions by a base station, wherein the preparation cell is a cell determined according to the priority level of a frequency point and / or wireless access system, and the frequency point and / or wireless access system is the one meeting the service and capacity requirements of the current user terminal; and sending a switching request to the preparation cell, and determining the target cell according to the response information of the preparation cell to the switching request. The method can balance the cell loads of different access frequency point and / or wireless access systems and further improve the capacity of the whole wireless communication network.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a method for selecting a target cell, a system for selecting a target cell and a base station. Background technique [0002] In a mobile communication system, after the user terminal (UE) is connected to the network in the initial serving cell, due to the movement of the user in the network, the deterioration of the link quality of the current serving cell, or the overload of the current serving cell, etc., in order to ensure Communication continuity, the network often needs to switch the user to another cell, and the other cell continues to provide services for the user terminal, that is, handover occurs. In short, handover is to switch the connection of the user terminal from the original serving cell to the target cell on the basis of maintaining communication continuity. [0003] The most critical in the handover is the selection of the target cell. At present...

Claims

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Application Information

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IPC IPC(8): H04W36/04H04W36/26H04W36/30
Inventor 寇会如
Owner DATANG MOBILE COMM EQUIP CO LTD
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