On the capacity and normalisation of ISI channels

Xiang, Wei and Pietrobon, Steven S. (2003) On the capacity and normalisation of ISI channels. In: 2003 IEEE International Conference on Communications (ICC2003), 11-15 May 2003, Anchorage, Alaska, USA.

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Abstract

We investigate the capacity of various ISI channels with additive white Gaussian noise. Previous papers showed a minimum Eb/N0 of -4.6 dB, 3 dB below the capacity of a flat channel, is obtained using water pouring capacity formulas for the 1 + D channel. However, these papers did not take into account that the channel power gain can be greater than one when water pouring is used. We present a generic power normalisation method of the channel frequency response, namely peak bandwidth normalisation, to facilitate the fair capacity comparison of various ISI channels. Three types of ISI channel, i.e., adder channels, RC channels and magnetic recording channels, are examined. By using our channel power gain normalisation, the capacity curves of these ISI channels are shown.


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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)
Refereed: Yes
Item Status: Live Archive
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Depositing User: Dr Wei Xiang
Faculty / Department / School: Historic - Faculty of Engineering and Surveying - Department of Electrical, Electronic and Computer Engineering
Date Deposited: 15 Oct 2007 22:25
Last Modified: 02 Jul 2013 22:52
Uncontrolled Keywords: AWGN; channel capacity; frequency response; intersymbol interference; peak bandwidth normalisation; power normalisation method
Fields of Research (FOR2008): 08 Information and Computing Sciences > 0804 Data Format > 080401 Coding and Information Theory
URI: http://eprints.usq.edu.au/id/eprint/3382

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