Proceedings ArticleDOI
Equalizer training algorithms for multicarrier modulation systems
J.S. Chow,John M. Cioffi,John A. C. Bingham +2 more
- Vol. 2, pp 761-765
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TLDR
Several algorithms for designing the time-domain equalizer, which use adaptation in the frequency domain and windowing in the time domain in order to minimize the mean squared error of the equalized response, are described.Abstract:Â
In a multicarrier data transmission system the length of a symbol is often limited by the maximum permissible delay of data from input to output. If the length of the impulse response of the channel is not negligible compared to the permitted symbol length, the impulse response can be shortened by passing the received signal through a time-domain equalizer before modulation. The best performance for a given computational complexity can then be achieved by appending to each block of samples of the transmit signal a cyclic prefix that has the same length as the shortened impulse response. Several algorithms for designing the time-domain equalizer, which use adaptation in the frequency domain and windowing in the time domain in order to minimize the mean squared error of the equalized response, are described. >read more
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References
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Journal ArticleDOI
Multicarrier modulation for data transmission: an idea whose time has come
TL;DR: The general technique of parallel transmission on many carriers, called multicarrier modulation (MCM), is explained, and the performance that can be achieved on an undistorted channel and algorithms for achieving that performance are discussed.
Journal ArticleDOI
A discrete multitone transceiver system for HDSL applications
TL;DR: A discrete multitone (DMT) transceiver design for high bit rate digital subscriber line (HDSL) access is presented and analyzed and is an excellent candidate for HDSL implementation.
Journal ArticleDOI
Adaptive channel memory truncation for maximum likelihood sequence estimation
D. D. Falconer,F. R. Magee +1 more
TL;DR: This work proposes a linear prefilter to force the overall impulse response of the channel/prefilter combination to approximate a desired truncated impulse response (DIR) of acceptably short duration and shows that the minimum mean-square error can be expressed as the minimum eigenvalue of a certain channel-dependent matrix, and that the corresponding eigenvector represents the optimum DIR.
Journal ArticleDOI
Vector coding for partial response channels
TL;DR: A linear technique for combining equalization and coset codes on partial response channels with additive white Gaussian noise is developed and performance advantages are presented with respect to zero-forcing decision feedback methods that use the same coset code on the same partial response channel.
Journal ArticleDOI
An Analysis of Automatic Equalizers for Orthogonally Multiplexed QAM Systems
TL;DR: It is shown that a dual automatic equalizer with T/2 -long tapped delay lines, where T is a period of individual baseband baud, can equalize not only the transmission channel distortions, but the timing deviations and demodulating carrier phase deviations.
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