Multiuser Underwater Acoustic Communication based on Multicarrier-Multiple Chirp Rate Shift Keying

被引：0
|
作者：
Cheng En [1 ]
Lin Xiaoyang [1 ]
Yuan Fei [1 ]
机构：
[1] Xiamen Univ, Minist Educ, Key Lab Underwater Acoust Commun & Marine Informa, Xiamen, Peoples R China
来源：
OCEANS 2014 - TAIPEI | 2014年
基金：
中国国家自然科学基金;
关键词：
underwater acoustic communication; fractional Fourier transform; multi-user;
D O I：
暂无
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
Multiuser underwater acoustic communication is one of the enabling technologies for the autonomous oceans sampling network (AOSN). Based on explicit relationship between fractional Fourier transform properties of chirp signal and its parameters, we proposed a new modulation and demodulation scheme named multicarrier-multiple chirp rate shift keying (MC-MCrSK). The scheme can support four users communication via underwater acoustic channel with 10 KHz bandwidth. Receiver can increase robustness by virtual time reversal mirror technology (VTRM). The validity of the simulation comparison is verified in experiment. 425 bps data rate per user of the proposed communication scheme is realized in 10 KHz bandwidth.
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页数：5
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