Extending orthogonal block codes with partial feedback

被引：57
作者：
Akhtar, J [1 ]
Gesbert, D
机构：
[1] Univ Oslo, Dept Informat, N-0316 Oslo, Norway
[2] Eurecom Inst, Mobile Commun Dept, F-06904 Sophia Antipolis, France
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2004年 / 3卷 / 06期
关键词：
antenna array processing; diversity; space-time block codes; transmit diversity;
D O I：
10.1109/TWC.2004.837469
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：
During the last few years a number of space-time block codes have been proposed for use in multiple transmit antennas systems. In this paper we propose a method to extend any space-time code constructed for m transmit antennas to m p transmit antennas through group-coherent codes (GCCs). GCCs make use of very limited feedback from the receiver (as low as 1 bit). In particular the scheme can be used to extend any orthogonal code (e.g., Alamouti code) to more than two antennas while preserving low decoding complexity, full diversity benefits, and full data rate.
引用
收藏
页码：1959 / 1962
页数：4
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