Robust Joint Source-Channel Coding for Delay-Limited Applications

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dc.creatorTaherzadeh, Mahmoud
dc.creatorKhandani, Amir K.
dc.date2008-05-26
dc.date.accessioned2026-07-07T09:41:04Z
dc.date.available2026-07-07T09:41:04Z
dc.descriptionIn this paper, we consider the problem of robust joint source-channel coding over an additive white Gaussian noise channel. We propose a new scheme which achieves the optimal slope of the signal-to-distortion (SDR) curve (unlike the previously known coding schemes). Also, we propose a family of robust codes which together maintain a bounded gap with the optimum SDR curve (in terms of dB). To show the importance of this result, we drive some theoretical bounds on the asymptotic performance of delay-limited hybrid digital-analog (HDA) coding schemes. We show that, unlike the delay-unlimited case, for any family of delay-limited HDA codes, the asymptotic performance loss is unbounded (in terms of dB).
dc.descriptionSubmitted to IEEE Transactions on Information Theory
dc.identifierhttps://arxiv.org/abs/0805.4023
dc.identifierhttp://arxiv.org/abs/0805.4023
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/161697
dc.subjectInformation Theory
dc.titleRobust Joint Source-Channel Coding for Delay-Limited Applications
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