Optimal digital communication of analog signals

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dc.citation.bibtexNameinproceedingsen_US
dc.citation.conferenceNameIEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)en_US
dc.contributor.authorMemarzadeh, Mahsaen_US
dc.contributor.authorJohnson, Donen_US
dc.contributor.orgDigital Signal Processing (http://dsp.rice.edu/)en_US
dc.date.accessioned2007-10-31T00:53:04Z
dc.date.available2007-10-31T00:53:04Z
dc.date.issued2005-03-01en
dc.date.modified2004-09-22en_US
dc.date.note2004-09-20en_US
dc.date.submitted2005-03-01en_US
dc.descriptionConference Paperen_US
dc.description.abstractIn this paper, the problem of optimally communicating analog sources using a bandwidth and power limited digital system is considered. We propose and analyze optimal combined source-channel coding schemes that jointly optimize the compression of the source while controlling the individual bit error probabilities to minimize the mean-squared distortion in reconstructing the signal. For a spectrally shaped channel, the proposed schemes are most efficiently implemented using multicarrier modulation. We optimize the power allocation across subchannels and the constellation within each subchannel. The results indicate that the optimal power allocation is not achieved by a water-filling solution and significant gains (several dB) can be obtained by our optimal design.en_US
dc.identifier.citationM. Memarzadeh and D. Johnson, "Optimal digital communication of analog signals," 2005.
dc.identifier.urihttps://hdl.handle.net/1911/20090
dc.language.isoeng
dc.subjectMulticarrier modulation*
dc.subjectoptimal distortion*
dc.subjectanalog signals*
dc.subject.keywordMulticarrier modulationen_US
dc.subject.keywordoptimal distortionen_US
dc.subject.keywordanalog signalsen_US
dc.subject.otherDSP for Communicationsen_US
dc.titleOptimal digital communication of analog signalsen_US
dc.typeConference paper
dc.type.dcmiText
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