Performance Study of the Association TCM-UGM/STBC to Reduce Transmission Errors of JPEG Images

Mohamed Benaissa, Abdesselam Bassou, Mohammed Beladgham, Abdelmounaim Moulay Lakhdar

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DOI: 10.4236/ijcns.2011.46046                

Abstract

The purpose of this work is to associate the channel encoder called ‘trellis-coded modulation with Ungerboeck-Gray mapping’ (TCM-UGM) to ‘space–time block code’ (STBC), in order to study its performance to correct the transmission errors of a JPEG image. The performance of the proposed scheme is evaluated in senses of bit error rate (BER), frame error rate (FER) and peak signal-to-noise ratio (PSNR) of the reconstructed image. Compared to the association TCM/STBC for a throughput of 2 bits/s/Hz, TCM-UGM/STBC permits to obtain a PSNR gain up to 2 dB.

Keywords

Trellis-Coded Modulation, Trellis Coded Modulation With Ungerboeck-Gary Mapping, Logarithm of Maximum a Posteriori, Space-Time Block Code, JPEG

Conflicts of Interest

The authors declare no conflicts of interest.

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