Channel capacity of OFDM systems employing diversity in fading environments
This paper derives capacity of a fading channel with orthogonal frequency division multiplexing (OFDM) transmission employing diversity techniques and adaptive policies involving (i) power and rate, (ii) optimal rate and (iii) channel inversion with fixed rate. Two major diversity techniques are considered (i) maximal ratio combining (MRC) and (ii) selective combining (SC). Closed-form expressions and/or bounds on various channel capacity with OFDM transmission under different scenarios are derived. Simulation results are given. Copyright (C) 2011 John Wiley & Sons, Ltd.
capacity ofdm diversity fading channels adaptive policies maximal ratio combining selective combining