Title :
Design and test of a carrier interferometry OFDM system in underwater acoustic channels
Author :
Xu, Fang ; Xu, Ru ; Zhang, Yonghuai ; Sun, Haixin ; Wang, Deqing
Author_Institution :
Key Lab. of Underwater Acoust. Commun. & Marine Inf. Technol., Xiamen Univ., Xiamen
Abstract :
Based on our previous work, a novel design of a carrier interferometry (CI) orthogonal frequency division multiplexing (OFDM) system had been tested in a real underwater acoustic channel - the experimental pool in Xiamen University. Since the CI/OFDM system is very sensitive to phase offsets, a simplified 2D estimator is used to reconstruct the channel response at the receiver. The performance of the CI/OFDM and OFDM underwater acoustic communication systems had been compared based on Peak-to-average power ratio (PAPR) and BER characteristics. Experiment results showed that the CI/OFDM underwater acoustic communication system could achieve excellent performance.
Keywords :
OFDM modulation; error statistics; underwater acoustic communication; BER characteristics; Xiamen University; carrier interferometry OFDM system; channel response; orthogonal frequency division multiplexing; peak-to-average power ratio; phase offsets; simplified 2D estimator; underwater acoustic channels; Acoustic testing; Bit error rate; Information technology; Interferometry; OFDM; Peak to average power ratio; Phase estimation; System testing; Underwater acoustics; Underwater communication;
Conference_Titel :
Communications, Circuits and Systems, 2008. ICCCAS 2008. International Conference on
Conference_Location :
Fujian
Print_ISBN :
978-1-4244-2063-6
Electronic_ISBN :
978-1-4244-2064-3
DOI :
10.1109/ICCCAS.2008.4657747
