Asymptotic error-rate behavior for noncoherent on-off keying in the presence of fading

Author

Annamalai, A. ; Bhargava, Vijay K.

Author_Institution

Dept. of Electr. & Comput. Eng., Victoria Univ., BC, Canada

Volume

47

Issue

9

fYear

1999

fDate

9/1/1999 12:00:00 AM

Firstpage

1293

Lastpage

1296

Abstract

This article investigates the asymptotic error-rate behavior for the noncoherent on-off keying (OOK) signaling scheme in different fading environments and at both extremes of the signal-to-noise ratio (SNR). A transcendental equation to compute the optimum threshold level of noncoherent OOK operating over a Rician fading channel is derived. The optimum threshold level and its corresponding ratio of the mark and space error probabilities in additive white Gaussian noise (AWGN). Rayleigh, and Rician channels are tabulated as a function of the SNR. Geist (see ibid., vol.42, p.225, 1994) has shown that mark and space errors contribute equally to the average error probability in an AWGN channel when the SNR is large with optimum threshold setting. We show that mark errors predominate when the SNR is small and/or in fading channels

Keywords

AWGN channels; Rayleigh channels; Rician channels; amplitude shift keying; error statistics; AWGN channel; OOK signaling scheme; Rayleigh channel; Rician fading channel; SNR; additive white Gaussian noise channel; asymptotic error-rate; average error probability; fading channels; mark error probability; noncoherent on-off keying; optimum threshold level; radio systems; ratio; signal-to-noise ratio; space error probability; transcendental equation; AWGN channels; Additive white noise; Amplitude shift keying; Equations; Error probability; Fading; Rician channels; Sampling methods; Signal analysis; Signal to noise ratio;

fLanguage

English

Journal_Title

Communications, IEEE Transactions on

Publisher

ieee

ISSN

0090-6778

Type

jour

DOI

10.1109/26.789662

Filename

789662