Journal of Scientific Research
Volume 1, Numéro 1, Pages 15-20
2011-06-01

Contribution To The Improvement Of Compressed Image Protection Against Transmission Errors Using Tcm-ugm/stbc



Authors : Benaissa Med . Bassou Abdesselam . Beladgham Med . Moulay Lakhdar Abdemou,aim .

Abstract

The purpose of this work is to present the simulation results over quasi-static Rayleigh fading channel of the association TCM-UGM/STBC in order to protect compressed images against transmission errors. For throughput of 2 bits/s/Hz, the proposed encoding scheme offers a PSNR amelioration of 2 dB compared to TCM/STBC encoding scheme, and this for an Eb/N0 of 11 dB.

Keywords

Trellis-coded modulation, Trellis-coded modulation with Ungerboeck-Gary mapping, Logarithm of maximum a posteriori, Space-time block code, JPEG.

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