FemtoceII网络干扰抑制技术综述

doi:10.3969/j.issn.1000-0801.2014.05.019

Abstract

Abstract:

Femtocell is the micro base station for solving the problem of mobile communication coverage indoor, which can serve indoor users with high speed broadband at a relatively low power. It can solve the indoor communication coverage problem in city life. Femtocell will become the one of the main means of indoor communication service in the future. However femtocell is facing the great challenges of communication interference management as other communication equipment. The normal interference technologies with femtocell under MIMO, OFDM and OFDMA system were firstly introduced, and then the background of interference problem in femtocell was introduced. Finally, according to the characteristics of the femtocell deployment, its interference suppression methods were summarized and compared.

Key words: femtocell, interference suppression, multiple-input multiple-output, orthogonal frequency divisionmultiplexing

Weifeng Lu,Yanchuan Qi,Liwen He,Siguang Chen. A Survey of Interference Suppression in Femtocell Network[J]. Telecommunications Science, 2014, 30(5): 131-137.

Figures/Tables 6

References 20

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干扰抑制技术			特点
干扰抑制技术	适用系统	传输模式	处理的干扰类型	复杂度	实用性
动态波束成形技术	SU-MIMO	上行和下行	同层干扰/跨层干扰	中	中
正交空时编码技术	SU-MIMO	上行和下行	同层干扰	高	中
天线选择技术	SU-MIMO	上行和下行	同层干扰	低	高
脏纸预编码	MU-MIMO	下行	同层干扰	高	低
迫零预编码	MU-MIMO	下行	同层干扰	中	高
块对角化预编码	MU-MIMO	下行	同层干扰	中	高
HFA算法	OFDM	上行和下行	跨层干扰/同层干扰	低	高
无线电感知技术	OFDMA	下行	同层干扰	中	高

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A Survey of Interference Suppression in Femtocell Network

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