A Postfiltered DPCM Scheme

Khalid Sayood

doi:10.1109/TCOM.1985.1096413

A Postfiltered DPCM Scheme

Khalid Sayood

Electrical & Computer Engineering

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Quantization noise constitutes the limiting factor on DPCM performance. For a low number of levels in the quantizer, this noise is also correlated. In this correspondence we present a technique for Improving the performance of the DPCM system at a very modest cost. The technique involves the use of an adaptive transversal filter at the receiver output to reduce the effects of quantization noise. The filter is trained at the transmitter and periodic updates sent to the receiver.

Original language	English (US)
Pages (from-to)	1019-1021
Number of pages	3
Journal	IEEE Transactions on Communications
Volume	33
Issue number	9
DOIs	https://doi.org/10.1109/TCOM.1985.1096413
State	Published - Sep 1985

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/TCOM.1985.1096413

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abstract = "Quantization noise constitutes the limiting factor on DPCM performance. For a low number of levels in the quantizer, this noise is also correlated. In this correspondence we present a technique for Improving the performance of the DPCM system at a very modest cost. The technique involves the use of an adaptive transversal filter at the receiver output to reduce the effects of quantization noise. The filter is trained at the transmitter and periodic updates sent to the receiver.",

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A Postfiltered DPCM Scheme

Abstract

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