Title :
A systematic approach to detecting OFDM signals in a fading channel
Author :
Bulumulla, Selaka B. ; Kassam, Saleem A. ; Venkatesh, Santosh S.
Author_Institution :
Lucent Technol., Allentown, PA, USA
fDate :
5/1/2000 12:00:00 AM
Abstract :
We derive the maximum a posteriori probability (MAP) receiver for orthogonal frequency-division multiplexed signals in a fading channel. As the complexity of the MAP receiver is high, we obtain a low-complexity, suboptimal receiver and evaluate its performance
Keywords :
OFDM modulation; Rayleigh channels; feedback; phase modulation; probability; radio receivers; signal detection; OFDM signal detection; Rayleigh fading channel; decision feedback; frequency-selective fading; low-complexity receiver; maximum a posteriori probability receiver; orthogonal frequency-division multiplexed signals; performance evaluation; simulation results; suboptimal receiver; Bandwidth; Covariance matrix; Delay; Fading; Frequency division multiplexing; Frequency estimation; Kalman filters; OFDM; Rayleigh channels; Signal detection;
Journal_Title :
Communications, IEEE Transactions on
