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

• 作者: Abdelmounaim Moulay Lakhdar Abdesselam Bassou Mohamed Benaissa Mohammed Beladgham
• 来源期刊: 通讯、网络与系统学国际期刊(英文)
• 学科: 工学
• 关键词: Trellis-Coded MODULATION TRELLIS CODED MODULATION With Ungerboeck-Gary Mapping LOGARITHM of Maximum a POSTERIORI Space-Time Block Code JPEG
• 年，卷（期）: 2011,（6）
• 页码范围: 388-394
• 页数: 7页
• 分类号: TN91

摘要

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.