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EXIT chart analysis of BICM-ID based receiver for shallow underwater acoustic communications

Lookup NU author(s): Chintan Shah, Dr Charalampos Tsimenidis, Professor Bayan Sharif, Jeffrey Neasham

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Abstract

We present extrinsic information transfer (EXIT) chart analysis of iterative equalizer implemented using adaptive decision feedback equalizers (DFE) and bit-interleaved coded modulation with iterative decoding (BICM-ID) to analyse the performance. It is shown from the EXIT chart analysis that the performance of the BICM-ID based receiver strongly depends on the ability of the equalizer to remove the intersymbol interference (ISI) and the number of taps employed in the feedback filter of the DFE. It is demonstrated that error free communication can be achieved even though the DFE does not cover the entire span of the channel, which is typically the case for underwater communications (UWC). Furthermore, it is shown that the latency associated with the iterative processing can be avoided if the initial equalization is successful, leading the receiver to iterate for less iterations. © 2010 IEEE.


Publication metadata

Author(s): Shah C, Tsimenidis C, Sharif B, Neasham J

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Proceedings of the 7th International Symposium on Wireless Communication Systems (ISWCS)

Year of Conference: 2010

Pages: 6-10

Publisher: IEEE

URL: http://dx.doi.org/10.1109/ISWCS.2010.5624304

DOI: 10.1109/ISWCS.2010.5624304

Library holdings: Search Newcastle University Library for this item

ISBN: 9781424463169


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