A Moment-Generating Function (MGF) Derivative-Based Unified Analysis of Incoherent Diversity Reception of M-ary Orthogonal Signals over Independent and Correlated Fading Channels

被引：21

作者：

A. Annamalai

C. Tellambura

机构：

[1] Mobile/Portable Radio Research Group, Virginia Polytech. Inst./Stt. Univ., 432 Durham Hall (0350), Blacksburg

[2] Department of Electrical Engineering, University of Alberta, Edmonton

来源：

International Journal of Wireless Information Networks | 2003年 / 10卷 / 1期

关键词：

Diversity methods; Equal-gain combining; MFSK; Postdetection diversity combining; Wireless communications;

D O I：

10.1023/A:1023418908192

中图分类号：

学科分类号：

摘要：

Exact, closed-form, error probability expressions for noncoherent M-ary frequency-shift-keying (MFSK) systems that employ postdetection equal-gain diversity over Rayleigh, Rician, and Nakagami-m channels are derived using a Laplace derivative formula. Both independent and genetically correlated fading cases are considered. For independent fading, closed-form solutions are also derived for both Nakagami-q fading (either with identical or dissimilar fading statistics) and mixed fading cases. Previous results are shown to be specific instances of our general expressions. In addition, a concise, derivative formula is derived for calculating the bit error rate of square-law detected multichannel binary differential phase-shift-keying (DPSK) signals. All of these expressions are applicable in many cases of practical interest and provide accurate predictions of the performance of both binary and M-ary orthogonal signaling over generalized fading channels with arbitrary parameters.

引用

页码：41 / 56

页数：15

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