Frequency-domain correlative coding for MIMO-OFDM systems over fast fading channels

被引：10

作者：

Zhang, Yu ^{[1
]}

Liu, Huaping ^{[1
]}

机构：

[1] Oregon State Univ, Sch Elect Engn & Comp Sci, Corvallis, OR 97331 USA

来源：

IEEE COMMUNICATIONS LETTERS | 2006年 / 10卷 / 05期

关键词：

time-selective fading; inter-carrier interference; correlative coding; orthogonal frequency division multiplexing;

D O I：

10.1109/LCOMM.2006.05011

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

Multiple-input multiple-output (MIMO) antennas combined with orthogonal frequency division multiplexing (OFDM) are very attractive for high-data-rate communications. However, MIMO-OFDM systems are very vulnerable to time-selective fading as channel time-variation destroys the orthogonality among subchannels, causing inter-carrier interference (ICI). In this letter, we apply frequency-domain correlative coding in MIMO-OFDM systems over frequency-selective, fast-fading channels to mitigate ICI. We derive the analytical expression of the carrier-to-interference ratio (CIR) to quantify the impact of time-selective fading and demonstrate the effectiveness of correlative coding in mitigating ICI in MIMO-OFDM systems.

引用

页码：347 / 349

页数：3

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