Design and Experiment of Frequency Offset Estimation and Compensation in High-speed Underwater Acoustic Communication

In underwater acoustic (UWA) communication, Doppler effect is particularly severe due to the slow velocity of sound and the complex variant UWA channel environment. Carrier frequency offset (CFO) can result in extension and compression of the received signal in time domain and has a direct effect on...

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Main Authors: Bi, Y., He, Zhiqiang, Jiang, W., Niu, K., Rong, Yue
Format: Conference Paper
Published: IEEE 2015
Online Access:http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7341189
http://hdl.handle.net/20.500.11937/17509
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author Bi, Y.
He, Zhiqiang
Jiang, W.
Niu, K.
Rong, Yue
author_facet Bi, Y.
He, Zhiqiang
Jiang, W.
Niu, K.
Rong, Yue
author_sort Bi, Y.
building Curtin Institutional Repository
collection Online Access
description In underwater acoustic (UWA) communication, Doppler effect is particularly severe due to the slow velocity of sound and the complex variant UWA channel environment. Carrier frequency offset (CFO) can result in extension and compression of the received signal in time domain and has a direct effect on the performance of decoding. In this paper, we propose a new scheme of CFO estimation and compensation for a high speed UWA communication system. There are three steps including coarse CFO estimation, fine CFO estimation and linear interpolation, which are taken to estimate and compensate the CFO. The scheme can eliminate the phenomenon of ambiguous phase and tolerate quick random variation of the CFO in UWA channel. A UWA communication experiment was carried out in December 2012 in the Indian Ocean, off Rottnest Island, Western Australia. With the proposed algorithm in this paper, the UWA system can achieve an average of 1.95% uncoded BER with QPSK modulation at the 1km range and 5.57% with BPSK at the 10km range.
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spelling curtin-20.500.11937-175092017-09-13T13:36:44Z Design and Experiment of Frequency Offset Estimation and Compensation in High-speed Underwater Acoustic Communication Bi, Y. He, Zhiqiang Jiang, W. Niu, K. Rong, Yue In underwater acoustic (UWA) communication, Doppler effect is particularly severe due to the slow velocity of sound and the complex variant UWA channel environment. Carrier frequency offset (CFO) can result in extension and compression of the received signal in time domain and has a direct effect on the performance of decoding. In this paper, we propose a new scheme of CFO estimation and compensation for a high speed UWA communication system. There are three steps including coarse CFO estimation, fine CFO estimation and linear interpolation, which are taken to estimate and compensate the CFO. The scheme can eliminate the phenomenon of ambiguous phase and tolerate quick random variation of the CFO in UWA channel. A UWA communication experiment was carried out in December 2012 in the Indian Ocean, off Rottnest Island, Western Australia. With the proposed algorithm in this paper, the UWA system can achieve an average of 1.95% uncoded BER with QPSK modulation at the 1km range and 5.57% with BPSK at the 10km range. 2015 Conference Paper http://hdl.handle.net/20.500.11937/17509 10.1109/WCSP.2015.7341189 http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7341189 http://purl.org/au-research/grants/arc/DP140102131 IEEE fulltext
spellingShingle Bi, Y.
He, Zhiqiang
Jiang, W.
Niu, K.
Rong, Yue
Design and Experiment of Frequency Offset Estimation and Compensation in High-speed Underwater Acoustic Communication
title Design and Experiment of Frequency Offset Estimation and Compensation in High-speed Underwater Acoustic Communication
title_full Design and Experiment of Frequency Offset Estimation and Compensation in High-speed Underwater Acoustic Communication
title_fullStr Design and Experiment of Frequency Offset Estimation and Compensation in High-speed Underwater Acoustic Communication
title_full_unstemmed Design and Experiment of Frequency Offset Estimation and Compensation in High-speed Underwater Acoustic Communication
title_short Design and Experiment of Frequency Offset Estimation and Compensation in High-speed Underwater Acoustic Communication
title_sort design and experiment of frequency offset estimation and compensation in high-speed underwater acoustic communication
url http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7341189
http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7341189
http://hdl.handle.net/20.500.11937/17509