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Block shuffling and adaptive interleaving for still image transmission over Rayleigh fading channels

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3 Author(s)
King Ip Chan ; Hong Kong Univ. of Sci. & Technol., Hong Kong ; Jianhua Lu ; J. C. -I. Chuang

A transmission system is proposed to enable reliable transmission of the vulnerable compressed images over fading channels. We introduce two techniques: (1) a block shuffling scheme which effectively isolates the erroneous picture blocks and thus improves the performance of error concealment at the decoder and (2) an adaptive interleaving scheme which adaptively changes the interleaving size such that bursty errors are randomized and become correctable by the embedded forward error control (FEC) scheme. The proposed system permits some well-known standards to be employed without modifying the source coding algorithms. Using JPEG coded images and simulated fading channels, we confirm the robustness of the proposed techniques over a wide range of operation conditions

Published in:

IEEE Transactions on Vehicular Technology  (Volume:48 ,  Issue: 3 )