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Load balance optimization method of cellular cells based on X2 interface information interaction

A cellular cell and load balancing technology, which is applied in wireless communication, network traffic/resource management, electrical components, etc., can solve the problems of poor overall effect of MLB and achieve the effect of improving the balance effect

Inactive Publication Date: 2010-09-08
XIDIAN UNIV
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AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the problem that the load balancing behavior in the long-term evolution advanced system only considers a single cell pair and the overall effect of MLB is not good. Load information within two hops to achieve mobile load balancing optimization and enhance the effect of MLB

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  • Load balance optimization method of cellular cells based on X2 interface information interaction
  • Load balance optimization method of cellular cells based on X2 interface information interaction
  • Load balance optimization method of cellular cells based on X2 interface information interaction

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Embodiment Construction

[0026] refer to figure 1 , according to the existing multi-cell MLB strategy, cell 3 is invisible to cell 1, and here it is defined as the hidden cell of cell 1, so the MLB behavior of cell 1 will not consider cell 3, and the MLB effect is not good good.

[0027] refer to figure 2 , the present invention exchanges all the load information of the hidden cells of cell 2 and cell 1, that is, cell 3 and cell 4, with cell 1, so that cell 1 will consider the MLB requirements of cell 3 and cell 4 when selecting an MLB cell, that is, through Reduce traffic to neighboring areas or even select the upper left neighboring cell of cell 1 with a suboptimal load condition to perform MLB. For local areas, such an MLB strategy works better.

[0028] according to figure 2 The technical strategy of the present invention is based on the existing long-term evolution advanced system X2 interface application layer protocol, and the resource status report initialization process and the resource...

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Abstract

The invention discloses a load balance optimization method of cellular cells based on X2 interface information interaction, which mainly solves the problem of limitation that load balancing behaviors only take single cell pair into consideration in a long term evolution (LTE) advanced system. The method has the technical points that: firstly, the resource state information of a neighbor cell of a target cell is reported to a source cell through adding the resource state information of the neighbor cell in a resource state updating message based on the X2 interface information interaction on the basis of the traditional load balance optimization method of the cellular cells; and secondly, invisible cells of the source cell in the neighbor cell of the target cell is defined to be Hidden cells. Due to the use of the load information of the Hidden cells during load balancing, the invention improves the load balancing effect of the overall network and can be applied in a cellular network communication system.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a method for optimizing cell load balancing in the third-generation mobile communication long-term evolution advanced LTE-Advanced system architecture, which can be used in cell load balancing. Background technique [0002] The 3GPP Long Term Evolution system can provide users with richer multimedia services with its higher bandwidth, but operators are most concerned about obtaining higher profits through effective operation and maintenance costs. Therefore, controlling operation and maintenance costs in LTE systems will become a very challenging problem. The 3GPP proposes a new operation and maintenance strategy for the long-term evolution system, that is, the long-term evolution system operator can effectively reduce the operation and maintenance cost through the self-organization mechanism, and further enhance the competitive advantage of the long-term evolution system. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/04H04W24/02H04W24/10H04W28/08H04W72/04
Inventor 盛敏郭重涛黄超史琰李红艳李建东焦万果刘凯
Owner XIDIAN UNIV
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