Fast lattice decodability of space-time block codes

被引：0
|
作者：
Berhuy, Gregory [1 ]
Markin, Nadya [1 ]
Sethuraman, B. A. [1 ]
机构：
[1] Inst Fournier, F-38402 St Martin Dheres, France
来源：
2014 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY (ISIT) | 2014年
关键词：
Fast-decodability; space-time block codes; skew-Hermitian matrices;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
We study fast decodability for general rate space-time block codes. We derive bounds on the number of generators that can be in mutually orthogonal groups and use these to show that that the ML decoding complexity of a full-rate n x n space-time block code is unfortunately quite high: at least of the order of vertical bar S vertical bar(n2+1), where S is the effective real constellation. We also show that g-group decodability is not possible for full-rate codes.
引用
收藏
页码：1917 / 1921
页数：5
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