Joint source-channel rate allocation in parallel channels

Lingling Pu; Michael W. Marcellin; Ivan Djordjevic; Bane Vasic; Ali Bilgin

doi:10.1117/12.702605

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29 January 2007 Joint source-channel rate allocation in parallel channels

Lingling Pu; Michael W. Marcellin; Ivan Djordjevic; Bane Vasic; Ali Bilgin

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Proceedings Volume 6508, Visual Communications and Image Processing 2007; 65081A (2007) https://doi.org/10.1117/12.702605
Event: Electronic Imaging 2007, 2007, San Jose, CA, United States

Abstract

A novel rate-optimal rate allocation algorithm is proposed for parallel transmission of scalable images in multi-channel systems. Scalable images are transmitted via fixed-length packets. The proposed algorithm selects a subchannel as well as a channel code rate for each packet, based on the signal-to-noise ratios (SNR) of the subchannels. The resulting scheme provides unequal error protection of source bits. Applications to JPEG2000 transmission show that significant UEP gains are achieved over equal error protection (EEP) schemes.

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Lingling Pu, Michael W. Marcellin, Ivan Djordjevic, Bane Vasic, and Ali Bilgin "Joint source-channel rate allocation in parallel channels", Proc. SPIE 6508, Visual Communications and Image Processing 2007, 65081A (29 January 2007); https://doi.org/10.1117/12.702605

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