Improved signal constellations for differential unitary space-time modulations with more than two transmit antennas

被引：10

作者：

Soh, TP ^{[1
]}

Ng, CS ^{[1
]}

Kam, PY ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117548, Singapore

来源：

IEEE COMMUNICATIONS LETTERS | 2005年 / 9卷 / 01期

关键词：

differefitial modulation; diversity; fading channels; unitary space-time coding;

D O I：

10.1109/LCOMM.2005.01023

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

In this paper, we propose new and improved unitary signal constellations for differential unitary space-time modulations utilizing more than two transmit antennas. The proposed unitary designs are constructed from fundamental building blocks which comprise the generator matrices of diagonal cyclic codes, and the 2x2 and 3x3 rotational matrices. The performances of the proposed codes are superior to those of previously proposed codes.

引用

页码：7 / 9

页数：3

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