Title: Adaptive Turbo-Coded
Hybrid-ARQ in OFDM Systems over Gaussian and Fading Channels
Authors: Kingsley Oteng-Amoako, Saeid Nooshabadi
Abstract: In this paper, an analytical approach for spectral
efficiency maximization of coded wideband transmissions is presented. Type-III
Hybrid-ARQ is exploited, enabling all sub-carriers to be employed in codeword
transmission regardless of sub-carrier conditions. The effects of imperfect
sub-channel estimation are characterized and compensated for during code rate
and signal constellation optimization. Index Terms - Hybrid-ARQ, AMC, adaptive,
fading, diversity combining and turbo codes.