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Enhanced equalization for mobile communication systems

Enhanced equalization for mobile communication systems

Oletu, G., Rapajic, P., Eneh, T. and Anang, K. (2012) Enhanced equalization for mobile communication systems. In: Computer Modeling and Simulation (EMS). The Institute of Electrical and Electronics Engineers, Inc., Piscataway, NJ, USA, pp. 446-450. ISBN 978-1-4673-0060-5 (doi:10.1109/EMS.2011.32)

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Abstract

In this paper a prefiltering method is considered where an all pass filter is employed at the receiver before equalization to create a minimum phase overall impulse response. In the presence of ISI, the all pass filter concentrates the maximum symbol energy in the correct sampling instances and subsequently cancel the non causal precursor ISI by replacing the samples and channel by their minimum phase equivalent. The system performance attainable with the proposed equalization is determined for transmission with channel coding. The use of all pass filtering is beneficial to the performance of a communication receiver that operates in a dispersive multipath propagation environment and thereby improves capacity. Simulation results are given, which demonstrate that the proposed approach outperform the conventional decision feedback equalizer.

Item Type: Conference Proceedings
Title of Proceedings: Computer Modeling and Simulation (EMS)
Additional Information: Proceedings from UKSim Fifth European Modelling Symposium on Computer Modelling and Simulation, held between 16–18 November 2011 in Madrid, Spain
Uncontrolled Keywords: prefiltering method, all pass filter, minimum phase overall impulse response, dispersive multipath propagation environment
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Pre-2014 Departments: School of Engineering
School of Engineering > Department of Computer & Communications Engineering
Related URLs:
Last Modified: 14 Oct 2016 09:19
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/7802

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