Moment-method estimation of the Ricean K-factor

TitleMoment-method estimation of the Ricean K-factor
Publication TypeJournal Article
Year of Publication1999
AuthorsGreenstein, L. J., D. G. Michelson, and V. Erceg
JournalCommunications Letters, IEEE
Volume3
Pagination175 -176
Date Publishedjun.
ISSN1089-7798
Keywordsempirical distributions, exact function, fixed wireless paths, measured power, moment-method estimation, parameter estimation, radio links, radio propagation environments, radiowave propagation, received signal, Ricean distribution, Ricean K-factor, Rician channels, signal processing, statistical analysis, time series, time-series data, time-varying envelope
Abstract

In many radio propagation environments, the time-varying envelope of the received signal can be statistically described by a Ricean distribution. Traditional methods for estimating the Ricean K-factor from measured power versus time are relatively cumbersome and time consuming. We describe a simple and rapid approach wherein the K-factor is an exact function of moments estimated from time-series data. Comparisons with empirical distributions for fixed wireless paths validate the method

URLhttp://dx.doi.org/10.1109/4234.769521
DOI10.1109/4234.769521

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