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Method and device for load balancing

A technology of load balancing and load threshold, which is applied in the field of communication and can solve problems such as large load

Active Publication Date: 2017-04-12
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The load of the target cell selected by the serving cell may also be relatively large. If the serving cell switches part of its own load to the target cell, it may cause the target cell to initiate a load switch, thus causing ping-pong switching.

Method used

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  • Method and device for load balancing
  • Method and device for load balancing
  • Method and device for load balancing

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Embodiment Construction

[0076] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0077] figure 1 It is the networking scenario applied in the embodiment of the present invention, see figure 1 , the networking scenario is a network scenario in which the macro base station and the micro base station are jointly networked. When the normalized load on the serving cell of the micro base station is relatively large, a load balancing method on the macro base station is obtained through the implementation of the present invention. The cell is the target cell, and part of the load on the serving cell is switched to the target cell, and the detailed process of the load balancing method provided by the embodiment of the present invention will be described in detail later.

[0078] see figure 2 , the embodiment of the prese...

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Abstract

The embodiment provides a method and device for load balancing, which relate to the communication field, and the method includes: acquiring a target cell, the target cell is a different-frequency neighbor cell of a serving cell, and a connection between the serving cell and the target cell The normalized load difference exceeds the preset load threshold; one or more handover user equipment UEs are acquired, and the sum of the acquired normalized loads of the handover UEs is less than half of the serving cell and the target cell and handover the obtained handover UE from the serving cell to the target cell. The device includes: a first acquiring module, a second acquiring module and a switching module. The invention can avoid the ping-pong switching phenomenon.

Description

technical field [0001] The invention relates to the communication field, in particular to a load balancing method and equipment. Background technique [0002] In the LTE (Long Term Evolution, long-term evolution) system, macro base stations and micro base stations are used to jointly network to improve cell coverage in areas with high traffic volume. When the load of cells on micro base stations is large, micro base stations can use load balancing The method switches part of the load of the cell to the cell of the macro base station, so as to realize the load balance between the two cells. [0003] At present, the existing technology provides a method of load balancing, which can be specifically as follows: the serving cell on the micro base station detects its current load size, and if the current load size exceeds the preset threshold, the serving cell selects a macro base station. The cell is the target cell, and a part of the load is selected from its own current load, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/08
CPCH04W36/08
Inventor 卓熹张宁炜
Owner HUAWEI TECH CO LTD