Fading-resistant modulation using several transmitter antennas

被引：81

作者：

DaSilva, VM ^{[1
]}

Sousa, ES ^{[1
]}

机构：

[1] UNIV TORONTO, DEPT ELECT & COMP ENGN, TORONTO, ON M5S 1A4, CANADA

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 1997年 / 45卷 / 10期

基金：

加拿大自然科学与工程研究理事会;

关键词：

antenna diversity; coded modulation; fading-resistant modulation; transmitter diversity;

D O I：

10.1109/26.634687

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：

This paper proposes a bandwidth-efficient fading-resistant transmission scheme which implements transmitter diversity using L antennas at the base station. When the antennas are spaced sufficiently far apart, the transmission from each antenna undergoes a different degree of fading. These transmissions are coordinated to mitigate the effects of Rayleigh fading, and the mobile receiver can recover the entire L-dimensional transmitted vector signal as long as the signal energy of at least one coordinate is large enough. L-dimensional fading-resistant signal constellations are generated by maximizing a figure of merit for the Rayleigh fading channel. This scheme offers a significant performance improvement over a conventional single-antenna binary phase-shift keying (BPSK) scheme when coding is ineffective due to slow fading.

引用

页码：1236 / 1244

页数：9

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