Improving the Performance of Space Shift Keying (SSK) Modulation via Opportunistic Power Allocation

被引：117

作者：

Di Renzo, Marco ^{[1
]}

Haas, Harald ^{[2
]}

机构：

[1] Univ Paris 11, CNRS, L2S, SUPELEC,UMR 8506, F-91192 Gif Sur Yvette, France

[2] Univ Edinburgh, Inst Digital Commun, Edinburgh, Midlothian, Scotland

来源：

IEEE COMMUNICATIONS LETTERS | 2010年 / 14卷 / 06期

基金：

英国工程与自然科学研究理事会;

关键词：

Space Shift Keying (SSK) modulation; optimization; fading channels; opportunistic power allocation;

D O I：

10.1109/LCOMM.2010.06.100163

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

In this Letter, we show that the performance of Space Shift Keying (SSK) modulation can be improved via opportunistic power allocation methods. For analytical tractability, we focus on a 2 x 1 Multiple-Input-Multiple-Output (MIMO) system setup over correlated Rayleigh fading channels. A closed-form solution of the optimal power allocation problem is derived, and it is shown that the transmit-power of each transmit-antenna should be chosen as a function of the power imbalance ratio and correlation coefficient of the transmit-receive wireless links. Numerical results are shown to substantiate the analytical derivation and the claimed performance improvement.

引用

页码：500 / 502

页数：3

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