Optimizing the capacity of orthogonal and biorthogonal DMT channels

P. P. Vaidyanathan; Yuan-Pei Lin; Sony Akkarakaran; See May Phoong

Optimizing the capacity of orthogonal and biorthogonal DMT channels

P. P. Vaidyanathan, Yuan-Pei Lin, Sony Akkarakaran, See May Phoong

National Chiao Tung University

Research output: Contribution to journal › Conference article › peer-review

Abstract

The uniform DFT filter bank has been used routinely in discrete multitone modulation (DMT) systems because of implementation efficiency. It has recently been shown that principal component filter banks (PCFB) which are known to be optimal for data compression and denoising applications, are also optimal for a number of criteria in DMT communication. In this paper we show that such filter banks are optimal even when scalar prefilters and postfilters are used around the channel. We show that the theoretically optimum scalar prefilter is the half-whitening solution, well known in data compression theory. We conclude with the observation that the PCFB continues to be optimal for the maximization of theoretical capacity as well.

Original language	English
Article number	7075367
Journal	European Signal Processing Conference
Volume	2015-March
Issue number	March
State	Published - 31 Mar 2000
Event	2000 10th European Signal Processing Conference, EUSIPCO 2000 - Tampere, Finland Duration: 4 Sep 2000 → 8 Sep 2000

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abstract = "The uniform DFT filter bank has been used routinely in discrete multitone modulation (DMT) systems because of implementation efficiency. It has recently been shown that principal component filter banks (PCFB) which are known to be optimal for data compression and denoising applications, are also optimal for a number of criteria in DMT communication. In this paper we show that such filter banks are optimal even when scalar prefilters and postfilters are used around the channel. We show that the theoretically optimum scalar prefilter is the half-whitening solution, well known in data compression theory. We conclude with the observation that the PCFB continues to be optimal for the maximization of theoretical capacity as well.",

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AU - Vaidyanathan, P. P.

AU - Lin, Yuan-Pei

AU - Akkarakaran, Sony

AU - Phoong, See May

PY - 2000/3/31

Y1 - 2000/3/31

N2 - The uniform DFT filter bank has been used routinely in discrete multitone modulation (DMT) systems because of implementation efficiency. It has recently been shown that principal component filter banks (PCFB) which are known to be optimal for data compression and denoising applications, are also optimal for a number of criteria in DMT communication. In this paper we show that such filter banks are optimal even when scalar prefilters and postfilters are used around the channel. We show that the theoretically optimum scalar prefilter is the half-whitening solution, well known in data compression theory. We conclude with the observation that the PCFB continues to be optimal for the maximization of theoretical capacity as well.

AB - The uniform DFT filter bank has been used routinely in discrete multitone modulation (DMT) systems because of implementation efficiency. It has recently been shown that principal component filter banks (PCFB) which are known to be optimal for data compression and denoising applications, are also optimal for a number of criteria in DMT communication. In this paper we show that such filter banks are optimal even when scalar prefilters and postfilters are used around the channel. We show that the theoretically optimum scalar prefilter is the half-whitening solution, well known in data compression theory. We conclude with the observation that the PCFB continues to be optimal for the maximization of theoretical capacity as well.

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M3 - Conference article

AN - SCOPUS:84937061328

VL - 2015-March

JO - European Signal Processing Conference

JF - European Signal Processing Conference

SN - 2219-5491

IS - March

M1 - 7075367

Y2 - 4 September 2000 through 8 September 2000

ER -

Optimizing the capacity of orthogonal and biorthogonal DMT channels

Abstract

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