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Channel estimation relying on the minimum bit-error-ratio criterion for BPSK and QPSK signals

Channel estimation relying on the minimum bit-error-ratio criterion for BPSK and QPSK signals
Channel estimation relying on the minimum bit-error-ratio criterion for BPSK and QPSK signals
The authors consider the channel estimation problem in the context of a linear equaliser designed for a frequency selective channel, which relies on the minimum bit-error-ratio (MBER) optimisation framework. Previous literature has shown that the MBER-based signal detection may outperform its minimum-mean-square-error (MMSE) counterpart in the bit-error-ratio performance sense. In this study, they develop a framework for channel estimation by first discretising the parameter space and then posing it as a detection problem. Explicitly, the MBER cost function (CF) is derived and its performance studied, when transmitting BPSK and QPSK signals. It is demonstrated that the MBER based CF aided scheme is capable of outperforming existing MMSE, least square-based solutions.
Dutta, Amit Kumar
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Hari, K. V. S.
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Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Dutta, Amit Kumar
0c7e5ef0-9457-40c3-ba7d-860928ce30b2
Hari, K. V. S.
93c59427-eaf1-49f6-8943-d465d6366d43
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Dutta, Amit Kumar, Hari, K. V. S. and Hanzo, Lajos (2013) Channel estimation relying on the minimum bit-error-ratio criterion for BPSK and QPSK signals. IET Communications. (In Press)

Record type: Article

Abstract

The authors consider the channel estimation problem in the context of a linear equaliser designed for a frequency selective channel, which relies on the minimum bit-error-ratio (MBER) optimisation framework. Previous literature has shown that the MBER-based signal detection may outperform its minimum-mean-square-error (MMSE) counterpart in the bit-error-ratio performance sense. In this study, they develop a framework for channel estimation by first discretising the parameter space and then posing it as a detection problem. Explicitly, the MBER cost function (CF) is derived and its performance studied, when transmitting BPSK and QPSK signals. It is demonstrated that the MBER based CF aided scheme is capable of outperforming existing MMSE, least square-based solutions.

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More information

Accepted/In Press date: September 2013
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 359829
URI: http://eprints.soton.ac.uk/id/eprint/359829
PURE UUID: 536fccfc-7500-4f4b-8ad7-0469806a2f4b
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 13 Nov 2013 21:20
Last modified: 15 Mar 2024 02:38

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Contributors

Author: Amit Kumar Dutta
Author: K. V. S. Hari
Author: Lajos Hanzo ORCID iD

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