NDA SNR estimation techniques for non-equiprobable signaling using non-coherent OOK receivers

In this paper, non-data aided (NDA) signal-to-noise ratio (SNR) estimation techniques for non-coherent on-off keying (OOK) receivers using non-equiprobable signal transmission is analyzed. Expectation-maximization (EM), M<sub>1</sub>M<sub>2</sub> and M<sub>2</sub>M<sub>3</sub> estimators are investigated. It is shown that the performance of moments based… (More)