Approximate ber expression of ML equalizer for OFDM over doubly selective channels

Conference PaperinAcoustics, Speech, and Signal Processing, 1988. ICASSP-88., 1988 International Conference on · May 2008with5 Reads
Impact Factor: 4.63 · DOI: 10.1109/ICASSP.2008.4518293 · Source: IEEE Xplore
Conference: Acoustics, Speech and Signal Processing, 2008. ICASSP 2008. IEEE International Conference on

    Abstract

    Maximum Likelihood (ML) equalization for Orthogonal Frequency Division Multiplexing (OFDM) over time- and frequency- selective channels is analyzed in this paper. An approximate expression for bit error rate (BER) performance of the ML equalizer with a limited number of taps is developed, which subsumes the matched filter bound (MFB) equalization performance as a special case, and which saves on intensive time-consuming empirical simulations. Numerical simulations validate our approximate expression.