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Orthogonal frequency division multiplex synchronization techniques for frequency-selective fading channels

Orthogonal frequency division multiplex synchronization techniques for frequency-selective fading channels
Orthogonal frequency division multiplex synchronization techniques for frequency-selective fading channels
The effect of time-domain and frequency-domain synchronization errors is quantified in the context of various coherently and noncoherently detected 1, 2, and 4 bits/symbol OFDM constellations, in order to demonstrate the wide applicability of the techniques proposed for mitigating the bit error rate (BER) performance degradations inflicted. A reference symbol is proposed and a range of correlation techniques are suggested for coarse and fine synchronization. Their performance is studied over time-dispersive Rayleigh fading channels, with the conclusion that the proposed synchronization techniques result in virtually unimpaired BERs over the range of wideband channels investigated in comparison to a perfectly synchronized system. Index Terms—DVB, HIPERLAN, OFM, synchronization.
999-1008
Keller, T.
41cd2bbf-bf82-4aac-83e9-d585f67f9742
Piazzo, L.
0dff7e02-ddd2-4c03-9e9a-e253ac992e1e
Mandarini, P.
d328461a-b132-44c1-84e4-cf5883ce25c9
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
Keller, T.
41cd2bbf-bf82-4aac-83e9-d585f67f9742
Piazzo, L.
0dff7e02-ddd2-4c03-9e9a-e253ac992e1e
Mandarini, P.
d328461a-b132-44c1-84e4-cf5883ce25c9
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1

Keller, T., Piazzo, L., Mandarini, P. and Hanzo, L. (2001) Orthogonal frequency division multiplex synchronization techniques for frequency-selective fading channels. IEEE Journal on Selected Areas in Communications, 19 (6), 999-1008. (doi:10.1109/49.926356).

Record type: Article

Abstract

The effect of time-domain and frequency-domain synchronization errors is quantified in the context of various coherently and noncoherently detected 1, 2, and 4 bits/symbol OFDM constellations, in order to demonstrate the wide applicability of the techniques proposed for mitigating the bit error rate (BER) performance degradations inflicted. A reference symbol is proposed and a range of correlation techniques are suggested for coarse and fine synchronization. Their performance is studied over time-dispersive Rayleigh fading channels, with the conclusion that the proposed synchronization techniques result in virtually unimpaired BERs over the range of wideband channels investigated in comparison to a perfectly synchronized system. Index Terms—DVB, HIPERLAN, OFM, synchronization.

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Published date: June 2001
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 255966
URI: http://eprints.soton.ac.uk/id/eprint/255966
PURE UUID: be44915e-531d-4e45-aacf-a74eb5c27654
ORCID for L. Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 22 Dec 2003
Last modified: 28 May 2020 00:24

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