On diagonal algebraic space-time block codes

被引：18
作者：
Damen, MO [1 ]
Beaulieu, NC [1 ]
机构：
[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 2V4, Canada
来源：
IEEE TRANSACTIONS ON COMMUNICATIONS | 2003年 / 51卷 / 06期
关键词：
capacity; diversity methods; maximum-likelihood decoding (MLD); multiple-input/multiple-output (MIMO) systems; space-time (ST) codes;
D O I：
10.1109/TCOMM.2003.813179
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：
Theoretical and practical aspects of diagonal algebraic space-time block codes over n transmit and m receive antennae are examined. These codes are obtained by sending a rotated version of the information symbols over the principal diagonal of the n x n space-time matrix over, n transmit antennae and n symbol periods. The output signal-to-noise ratios of two predecoding filters and two decoding algorithms are derived. Analysis of the information loss incurred by using the codes considered is used to clarify their structures, and the expected performances. Different algebraic real and complex rotations presented in the literature are analyzed and compared as regards the achieved coding gains, the complexities, performances, and peak-to-mean envelope power ratios.
引用
收藏
页码：911 / 919
页数：9
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