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Combined source-channel coding using multilevel/phase modulation
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Weitzner, Andrew Todd. Combined source-channel coding using multilevel/phase modulation. Retrieved from https://doi.org/doi:10.7282/T3639RW5

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TitleCombined source-channel coding using multilevel/phase modulation
NameWeitzner, Andrew Todd (author); Daut, David G. (chair); Sannuti, Peddapullaiah (internal member); Lawrence, Victor B. (outside member); Rutgers University; Graduate School - New Brunswick
Date Created1988
Other Date1988 (degree)
SubjectElectrical Engineering, Modulation (Electronics), Coding theory
Extent1 online resource (ix, 135 p. : ill.)
DescriptionA combined source-channel coding and modulation approach is implemented for the encoding, transmission and remote reconstruction of a first-order one-dimensional Gauss-Markov source described by the correlation coefficient ρ. The source encoder employs differential pulse code modulation (DPCM). This is an efficient encoding scheme in the absence of channel errors. However, DPCM degrades rapidly in the presence of channel errors. Trellis-Coded Modulation is used to provide error protection without incurring a bandwidth expansion. This is accomplished by using m-bit DPCM with a rate m/(m + 1) trellis code and a 2m+1-ary modulation technique such as multiple phase-shift keying (MPSK) or quadrature amplitude modulation (QAM). The trellis codes used are those developed by Ungerboeck. Performance of the overall system is evaluated on a mean square reconstructed error (MSRE) versus channel signal-to-noise ratio (SNRin) criterion for an AWGN Channel. The system performance is increased by 3 to 7 dB as compared to an uncoded system and results are within 1.0 to 2.3 dB of the R0 bound. The technique demonstrates an effective bandwidth efficient means for transmitting source encoded date represented by more than one bit per source symbol which has not been previously demonstrated in the technical literature.
NoteM.S.
NoteIncludes bibliographical references (p. 132-135)
Noteby Andrew Todd Weitzner
Genretheses, ETD graduate
Persistent URLhttps://doi.org/doi:10.7282/T3639RW5
LanguageEnglish
CollectionGraduate School - New Brunswick Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work
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