Space-time codes with controllable ML decoding complexity for any number of transmit antennas

被引：0

作者：

Sharma, Naresh ^{[1
]}

Pinnamraju, Pavan R. ^{[2
]}

Papadias, Constantinos B. ^{[3
]}

机构：

[1] Tata Inst Fundamental Res, Homi Bhabha Rd, Bombay 400005, Maharashtra, India

[2] Indian Inst Technol, Delhi, India

[3] Athens Informat Technol, Athens, Greece

来源：

2007 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY PROCEEDINGS, VOLS 1-7 | 2007年

关键词：

D O I：

10.1109/ISIT.2007.4557660

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：

We construct a class of linear space-time block codes for any number of transmit antennas that have controllable ML decoding complexity with a maximum rate of 1 symbol per channel use. The decoding complexity for M transmit antennas can be varied from ML decoding of 2([log2 M]-1) symbols together to single symbol ML decoding. For ML decoding of 2([log2 M]-n) (n = 1,2,...) symbols together, a diversity of min(M, 2([log2 M]-n+1)) can be achieved. Numerical results show that the performance of the constructed code when 2([log2 M]-1) symbols are decoded together is quite close to the performance of ideal rate-1 orthogonal codes (that are non-existent for more than 2 transmit antennas).

引用

页码：2911 / +

页数：2

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