Modified Orthogonal Space-Time Block Codes for time-selective fading channels

被引：0
|
作者：
Villardi, Gabriel Porto [1 ]
De Abreu, Giuseppe Thadeu Freitas [1 ]
Kohno, Ryuji [1 ]
机构：
[1] Yokohama Natl Univ, Dept Elect & Comp Engn, Hodogaya Ku, Yokohama, Kanagawa 2500081, Japan
来源：
2005 39th Asilomar Conference on Signals, Systems and Computers, Vols 1 and 2 | 2005年
关键词：
O-STBC; interference; transmit diversity; non-quasi-static fading;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper Modified Orthogonal Space-Time Block Codes (MO-STBC) were designed as a way to improve the system performance in the presence of "non-quasi-static" fading channels. Loss of orthogonality in symbol decoding is mitigated by a very simple though efficient redesign of the conventional O-STBC encoding scheme. MO-STBC is proven by simulations to significantly outperform the conventional O-STBC despite having exactly the same structure, therefore complexity. Systematic construction of MO-STBC for any number of transmit antennas is also introduced. More over, the combination of MO-STBC with time-selectivity robust decoding techniques is easily implemented yielding improved robustness, also indicated by computer simulations.
引用
收藏
页码：1243 / 1247
页数：5
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