Haque, M.D., Ullah, S.E., Rahman, M.M. and Ahmed, M. 2009. BER Performance Analysis of a Concatenated Low Density Parity Check Encoded OFDM System in AWGN and Fading Channels. Journal of Scientific Research. 2, 1 (Dec. 2009), 46–53. DOI:https://doi.org/10.3329/jsr.v2i1.2724.