[1]陈东华.MIMO-OFDM系统中的时变信道均衡[J].华侨大学学报(自然科学版),2012,33(2):149-152.[doi:10.11830/ISSN.1000-5013.2012.02.0149]
　CHEN Dong-hua.Equalization of Time-Varying Channels for MIMO-OFDM Systems[J].Journal of Huaqiao University(Natural Science),2012,33(2):149-152.[doi:10.11830/ISSN.1000-5013.2012.02.0149]
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MIMO-OFDM系统中的时变信道均衡()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第33卷
期数:
2012年第2期
页码:
149-152
栏目:
出版日期:
2012-03-20

文章信息/Info

Title:
Equalization of Time-Varying Channels for MIMO-OFDM Systems
文章编号:
1000-5013(2012)02-0149-04
作者:
陈东华
华侨大学信息科学与工程学院
Author(s):
CHEN Dong-hua
College of Information Science and Engineering, Huaqiao University, Xiamen 361021, China
关键词:
多输入多输出;  正交频分复用;  子载波间干扰;  均衡
Keywords:
multiple input multiple output;  orthogonal frequency division multiplexing;  intercarrier interference;  equalizer
分类号:
TN919.3
DOI:
10.11830/ISSN.1000-5013.2012.02.0149
文献标志码:
A
摘要:
为了改善多输入多输出-正交频分复用(MIMO-OFDM)时变信道均衡性能,将最小均方误差排序串行干扰抵消(MMSE-OSIC)均衡算法应用于降维MIMO-OFDM信号模型的符号检测.该方法一方面利用OS-IC来获得时变多普勒分集,另一方面利用降维信号模型来降低均衡复杂度.仿真结果表明:该方法以较低的复杂度代价有效提高了系统性能.
Abstract:
In order to improve the equalization performance of multiple input multiple output/orthogonal frequency division multiplexing(MIMO-OFDM) system in time varying channels,the minimum mean squared error equalization scheme with sorted successive interference cancellation(MMSE-OSIC) is used to detect the transmitted symbols relying on a reduced signal model,and as a result,the Doppler diversity caused by channel time variation is thus exploited by the OSIC,and moreover,the computational complexity of this method is reduced by using the reduced signal model.Theoretical analysis and simulation results show that this method improves the performance of MIMO-OFDM system in time-varying channels with a low cost of computational complexity.

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备注/Memo

备注/Memo:
华侨大学科研基金资助项目(07HZR26)
更新日期/Last Update: 2014-03-23