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Inter cell interference coordination (ICIC) method and apparatus thereof

A technology of inter-cell interference and interference coordination, applied in the field of communication, can solve problems such as unrealizable, large Iub port delay, etc., and achieve the effect of good interference coordination effect

Active Publication Date: 2015-01-28
NANJING ZHONGXING XIN SOFTWARE CO LTD
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  • Application Information

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Problems solved by technology

However, in the TD-HSDPA system, the dynamic interference coordination algorithm needs to transmit the relevant information of adjacent cells from the Iub interface (the interface between the radio network controller and the node B), and the delay of the Iub interface is too large, so that it cannot be implemented in the current network

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  • Inter cell interference coordination (ICIC) method and apparatus thereof
  • Inter cell interference coordination (ICIC) method and apparatus thereof
  • Inter cell interference coordination (ICIC) method and apparatus thereof

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Embodiment Construction

[0028] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in conjunction with embodiments. It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict.

[0029] figure 1 It is a flowchart of an inter-cell interference coordination method according to an embodiment of the present invention. As shown in the figure, an inter-cell interference coordination method according to an embodiment of the present invention includes:

[0030] Step S102, judging whether all UEs in the cell have GBR (Guaranteed BitRate, guaranteed bit rate);

[0031] Step S104, when not all UEs in the cell have GBR, obtain the SIRs of all UEs in the cell, and determine the Gini coefficient of the cell according to the SIRs of all UEs in the cell;

[0032] Step S106, when the above-mentioned Gini coefficient is greater than the preset first thresho...

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Abstract

The invention discloses an inter cell interference coordination (ICIC) method and an apparatus thereof. The method comprises the following steps: determining whether all the UE possess GBRs in a cell; if the GBRs are not possessed by all the UE in the cell, acquiring SIRs of all the UE in the cell and determining a Gini coefficient in the cell according to the SIRs of all the UE in the cell; when the Gini coefficient is greater than a preset first threshold, starting a interference coordination function of the cell. In the prior art, dynamic ICIC can not acquire adjacent cell information in time so as to adjust the cell and static interference coordination is only suitable for an occasion with an uniform load so that an interference coordination effect is not ideal. Through a technical scheme provided in the invention, the above problem can be solved and the each cell can achieve a good interference coordination effect under the condition that the load is nonuniform.

Description

technical field [0001] The present invention relates to the field of communications, and in particular, to a method and device for inter-cell interference coordination. Background technique [0002] The data rate provided by the existing cellular mobile communication system (such as 3G system) is very different between the cell center and the cell edge, which not only affects the capacity of the entire system, but also makes the service quality that users get in different locations greatly different. fluctuations. Therefore, the new generation of broadband wireless communication systems currently under development all take improving the performance of the cell edge as one of the main demand indicators. Especially in the edge area of ​​the cell, the performance is greatly affected by the interference between the cells. Since the physical layer technology itself does not have a mechanism for suppressing interference between cells, if the frequency reuse factor is 1, the leve...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/04H04B17/00H04B17/345
Inventor 吴友芮华李兰兰陈海生胡啸
Owner NANJING ZHONGXING XIN SOFTWARE CO LTD
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