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
收藏
页码：347 / 349
页数：3
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