TWO-DIMENSIONAL DPCM IMAGE TRANSMISSION OVER FADING CHANNELS.

D. G. Daut; J. W. Modestino

TWO-DIMENSIONAL DPCM IMAGE TRANSMISSION OVER FADING CHANNELS.

D. G. Daut, J. W. Modestino

Electrical & Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

A combined source-channel coding approach is described for the encoding, transmission, and remote reconstruction of image data. The transmission medium considered is that of a fading dispersive communications channel. Both the Rician fading and Rayleigh fading channel models are considered. The image source encoder employs two-dimensional (2-D) differential pulse code modulation (DPCM). This is a relatively efficient encoding scheme in the absence of channel errors. In the presence of fading, however, the performance degrades rapidly. By providing error control protection to those encoded bits which contribute most significantly to image reconstruction, it is possible to minimize this degradation without sacrificing transmission bandwidth. Several modulation techniques are employed in evaluation of system performance.

Original language	English
Title of host publication	IEEE International Communications and Energy Conference
Place of Publication	Piscataway, NJ
Publisher	IEEE
Pages	461-464
Number of pages	4
State	Published - Dec 1 1980
Event	Can Commun Power Conf Proc - Montreal, Que, Can Duration: Oct 15 1980 → Oct 17 1980

Other

Other	Can Commun Power Conf Proc
City	Montreal, Que, Can
Period	10/15/80 → 10/17/80

ASJC Scopus subject areas

Engineering(all)

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Daut, D. G., & Modestino, J. W. (1980). TWO-DIMENSIONAL DPCM IMAGE TRANSMISSION OVER FADING CHANNELS. In IEEE International Communications and Energy Conference (pp. 461-464). IEEE.

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AU - Modestino, J. W.

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N2 - A combined source-channel coding approach is described for the encoding, transmission, and remote reconstruction of image data. The transmission medium considered is that of a fading dispersive communications channel. Both the Rician fading and Rayleigh fading channel models are considered. The image source encoder employs two-dimensional (2-D) differential pulse code modulation (DPCM). This is a relatively efficient encoding scheme in the absence of channel errors. In the presence of fading, however, the performance degrades rapidly. By providing error control protection to those encoded bits which contribute most significantly to image reconstruction, it is possible to minimize this degradation without sacrificing transmission bandwidth. Several modulation techniques are employed in evaluation of system performance.

AB - A combined source-channel coding approach is described for the encoding, transmission, and remote reconstruction of image data. The transmission medium considered is that of a fading dispersive communications channel. Both the Rician fading and Rayleigh fading channel models are considered. The image source encoder employs two-dimensional (2-D) differential pulse code modulation (DPCM). This is a relatively efficient encoding scheme in the absence of channel errors. In the presence of fading, however, the performance degrades rapidly. By providing error control protection to those encoded bits which contribute most significantly to image reconstruction, it is possible to minimize this degradation without sacrificing transmission bandwidth. Several modulation techniques are employed in evaluation of system performance.

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