Performance of Non-coherent MFSK with Selection and Switched Diversity Over Hoyt Fading Channel

Authors:
Aniruddha Chandra;Chayanika Bose;Manas Kr. Bose
Affiliations:
ECE Department, NIT Durgapur, Durgapur, India;ETCE Department, Jadavpur University, Kolkata, India;Ansaldo STS, Newcastle, Australia
Venue:
Wireless Personal Communications: An International Journal
Year:
2013

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Abstract

A closed-form expression of cumulative distribution function (CDF) of the instantaneous signal to noise ratio (SNR) in Hoyt fading channel is derived. This CDF and associated formulas are then used to find out the error probability of non-coherent M-ary frequency shift keying with multichannel reception. Simple finite-range integral expression for the symbol error probability (SEP) with selection diversity is found through CDF method. Next, closed-form expressions of moment generating functions (MGF) are presented for the switched diversity case and SEP values are calculated using the derived MGFs. Some other performance parameters like, outage probability and average SNR with switched diversity, are provided. In addition, analytic frameworks are presented for calculation of optimum switching thresholds that ensure minimum outage probability or minimum SEP. The analysis is quite general in the sense that it covers switch and stay combining and Rayleigh fading as special cases.