A Novel Orthogonal Space-Time-Frequency Block Code for OFDM Systems

被引：10
|
作者：
Lee, Keonkook [1 ]
Kim, Youngok [2 ]
Kang, Joonhyuk [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Taejon, South Korea
[2] Kwangwoon Univ, Dept Elect Engn, Seoul, South Korea
来源：
IEEE COMMUNICATIONS LETTERS | 2009年 / 13卷 / 09期
关键词：
Space-time/frequency block code (STBC/SFBC); OFDM;
D O I：
10.1109/LCOMM.2009.090680
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this letter, we propose an orthogonal space-time-frequency block code for orthogonal frequency division multiplexing (STFBC-OFDM) systems, newly designed to be robust against both time- and frequency-selective fading. The performance of the proposed system is analyzed in spatially uncorrelated time-varying multipath Rayleigh-fading channels. The analytic results, which closely match the numerical results, show that the proposed system outperforms STBC-OFDM in time-varying channels and SFBC-OFDM in frequency-selective fading channels.
引用
收藏
页码：652 / 654
页数：3
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