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Frequency domain turbo equalization for MIMO-CPSC systems with large delay spreads

Itankar, Yogendra U and Chockalingam, A (2012) Frequency domain turbo equalization for MIMO-CPSC systems with large delay spreads. In: IEEE 75th Vehicular Technology Conference (VTC Spring), MAY 06-09, 2012, Yokohama, JAPAN.

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Official URL: http://dx.doi.org/10.1109/VETECS.2012.6240093


In this paper, we consider low-complexity turbo equalization for multiple-input multiple-output (MIMO) cyclic prefixed single carrier (CPSC) systems in MIMO inter-symbol interference (ISI) channels characterized by large delay spreads. A low-complexity graph based equalization is carried out in the frequency domain. Because of the reduction in correlation among the noise samples that happens for large frame sizes and delay spreads in frequency domain processing, improved performance compared to time domain processing is shown to be achieved. This improved performance is attractive for equalization in severely delay spread ISI channels like ultrawideband channels and underwater acoustic channels.

Item Type: Conference Paper
Series.: IEEE Vehicular Technology Conference Proceedings
Publisher: IEEE
Additional Information: Copyright of this article belongs to IEEE.
Keywords: Frequency-Domain Turbo Equalization; MIMO-CPSC Systems; MIMO-ISI Channels; Large Delay Spreads
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 28 Feb 2013 09:04
Last Modified: 28 Feb 2013 09:04
URI: http://eprints.iisc.ac.in/id/eprint/45359

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