Title :
Implement of channel estimation for OFDM communicaton system under UWA channel
Author :
Huang, Jingjing ; Hu, Xiaoyi ; Xu, Fang ; Lei, Wangwei ; Weng, Weicheng
Author_Institution :
Key Lab. of Underwater Acoust. Commun. & Marine Inf., Xiamen Univ., Xiamen
Abstract :
Underwater acoustic (UWA) channel is a time-space-frequency varying channel. Coherent detection requires channel estimation in Orthogonal Frequency Division Multiplexing (OFDM) system. In this paper, the channel estimation methods based on pilot for OFDM UWA system are investigated. Through analysis and testing about two channel estimation performance, the adaptability based on Pilot Symbol Assisted Modulation (PSAM) channel estimation methods under UWA channel is given.
Keywords :
OFDM modulation; channel estimation; time-varying channels; underwater acoustic communication; OFDM communicaton system; channel estimation; orthogonal frequency division multiplexing system; pilot symbol assisted modulation; time-space-frequency varying channel; underwater acoustic channel; Acoustic noise; Bandwidth; Channel estimation; Delay lines; Frequency domain analysis; Information technology; Laboratories; OFDM modulation; 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.2008.4657727
