A cooperative diversity scheme based on quadrature signaling

被引：29
|
作者：
Mahinthan, Veluppillai [1 ]
Mark, Jon W. [1 ]
Shen, Xuemin [1 ]
机构：
[1] Univ Waterloo, Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2007年 / 6卷 / 01期
基金：
加拿大自然科学与工程研究理事会;
关键词：
cooperative diversity; MIMO; maximum ratio combining; user collaboration; cooperative region;
D O I：
10.1109/TWC.2007.05092
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：
A bandwidth and energy efficient cooperative diversity scheme based on quadrature signaling is proposed. The quadrature signaling is achieved by transmitting in the in-phase and quadrature components of QPSK modulation. The diversity gain and the bit error rate of the proposed cooperative diversity scheme improve with the inter-user channel quality. It is shown that the proposed scheme can achieve a diversity order of two for high inter-user signal-to-noise ratios, if the cooperating users are located within a region that permits successful cooperation. The cooperative region corresponding to a specified bit error rate is defined and derived.
引用
收藏
页码：41 / 45
页数：5
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