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

fYear

2008

fDate

25-27 May 2008

Firstpage

57

Lastpage

61

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;

fLanguage

English

Publisher

ieee

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

Type

conf

DOI

10.1109/ICCCAS.2008.4657727

Filename

4657727