Abstract
Joint video-coding, channel-coding and modulation schemes based on a Constant Bit Rate (CBR) video codec, Variable Length Codes (VLCs) as well as Trellis Coded Modulation (TCM) and Turbo TCM (TTCM) schemes are proposed. These arrangements have a latency of a single video frame duration. A significant coding gain is achieved without bandwidth expansion with the advent of iterative decoding exchanging extrinsic information between the VLC and the TCM or TTCM decoders. The performance of the proposed schemes was evaluated for transmission over uncorrelated Rayleigh fading channels and the best scheme was found to be about 3 dB from the Rayleigh channel's capacity limit.
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