Some simple bounds on the symmetric capacity and outage probability for QAM wireless channels with Rice and Nakagami fadings

Authors:
E. Baccarelli;A. Fasano
Affiliations:
INFO-COM Dept., Rome Univ.;-
Venue:
IEEE Journal on Selected Areas in Communications
Year:
2006

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Abstract

In this article, quickly computable upper and lower bounds are presented on the symmetric capacity of flat-faded Rice and Nakagami channels with side information (SI) for data-transmissions via finite-size quadrature amplitude modulation (QAM) constellations. The proposed bounds exhibit the appealing feature to be tight and asymptotically exact both for high and low signal-to-noise ratios (SNRs). Furthermore, exponentially tight Chernoff-like formulas are also presented for an analytical evaluation of the resulting system outage probabilities when interleaved packet transmissions are carried out