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

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2 Author(s)
Baccarelli, Enzo ; INFO-COM Dept., Rome Univ., Italy ; Fasano, A.

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.

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Selected Areas in Communications, IEEE Journal on  (Volume:18 ,  Issue: 3 )