General results on SNR statistics involving EESM-based frequency selective feedbacks

Authors:
Hui Song;Raymond Kwan;Jie Zhang
Affiliations:
Centre for Wireless Network Design, University of Bedfordshire;Centre for Wireless Network Design, University of Bedfordshire;Centre for Wireless Network Design, University of Bedfordshire
Venue:
IEEE Transactions on Wireless Communications
Year:
2010

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Abstract

Novel methods of obtaining the moment generating function (MGF) and moments of the exponential effective SNR mapping (EESM) signal-to-noise ratio (SNR) over N jointly distributed fading channels are presented. Based on these methods, novel explicit expressions of the MGF and moments over arbitrary number of correlated Nakagami-m fading channels are proposed. Numerical evaluation of these expressions shows that the proposed approach can be a useful and efficient analytical tool in characterizing the statistics of EESM over correlated Nakagami-m fading channels.