New closed-form expressions for SNR estimates of Nakagami fading channels by the method of moments

Wamberto J. L. Queiroz (), Danilo B. T. Almeida (), Francisco Madeiro (), José V. M. Cardoso (), Damião F. L. Pereira () and Marcelo S. Alencar ()
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Wamberto J. L. Queiroz: Federal University of Campina Grande - UFCG
Danilo B. T. Almeida: Federal University of Campina Grande - UFCG
Francisco Madeiro: Pernambuco Polytechnical School - POLI-UPE
José V. M. Cardoso: Federal University of Campina Grande - UFCG
Damião F. L. Pereira: Federal University of Campina Grande - UFCG
Marcelo S. Alencar: Federal University of Campina Grande - UFCG

Telecommunication Systems: Modelling, Analysis, Design and Management, 2018, vol. 69, issue 3, No 5, 333 pages

Abstract: Abstract Method of moments has been a parameter estimation technique appropriate to calculate signal-to-noise ratio (SNR) estimates in fading channel models in which an optimal technique like maximum likelihood estimation is not mathematically tractable. In this article, the ratio of the second moment squared to the fourth moment of the received signal envelope is considered to calculate an exact expression for the SNR estimate in Nakagami-m fading channel for M-QAM and $$\theta $$ θ -MQAM modulations as well as expressions to evaluate the variance and the mean of the estimate. The paper presents two useful contributions for SNR estimation theory on Nakagami fading. Besides the exact algebraic expression for the estimate for a generalized QAM modulation scheme, its performance is evaluated through a statistical linearization argument.

Keywords: Signal-to-noise ratio estimation; Nakagami fading; Method of moments (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s11235-018-0440-6

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