NDLI: ZF OFDM receiver for underwater communications

Content Provider	IEEE Xplore Digital Library
Author	Kibangou, A.Y. Siclet, C. Ros, L.
Copyright Year	2010
Description	Author affiliation: GIPSA-Lab, Image and Signal Department, University Joseph Fourier, CNRS, 961 rue de la Houille Blanche, B.P. 46- 38402 Saint Martin d'Hères, France (Siclet, C.; Ros, L.) \|\| GIPSA-Lab, System control Department, University Joseph Fourier, CNRS, 961 rue de la Houille Blanche, B.P. 46- 38402 Saint Martin d'Hères, France (Kibangou, A.Y.)
Abstract	In this paper, we propose a new scheme of transmission and reception of OFDM ( Orthogonal Frequency Division Multiplexing) signals for underwater wireless communications. The transmitter makes use of a kind of superimposed pilot signals, which are used by the receiver for estimating both the channel parameters (paths gain and delay) and the Doppler. Then, the estimated parameters are used for estimating the informative symbols in the zero forcing (ZF) sense. A new estimation scheme based on the resolution of two harmonic retrieval problems is proposed. Unlike standard methods, data resampling and estimation of residual carrier frequency offset are avoided. The efficiency of the proposed scheme is evaluated by means of simulations.
Starting Page	1
Ending Page	4
File Size	2695576
Page Count	4
File Format	PDF
ISBN	9781424462858
e-ISBN	9781424462872
DOI	10.1109/ISCCSP.2010.5463423
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-03-03
Publisher Place	Cyprus
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Underwater acoustic communications Underwater communication Parameter estimation OFDM Process control Communication system control Delay estimation Frequency estimation Hankel matrix Vandermonde decomposition Transmitters Signal processing Total least squares Underwater acoustics Doppler distorsion
Content Type	Text
Resource Type	Article

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