Dual-Mode Modulation Based Research of Underwater Acoustic Modem

被引：0
|
作者：
Tao Yi [1 ,2 ]
Zhu Pei-bin [1 ]
Xu Xiao-mei [1 ,2 ]
Tao Yi [1 ,2 ]
Xu Xiao-mei [1 ,2 ]
机构：
[1] Xiamen Univ, Coll Oceanog & Environm Sci, Xiamen, Peoples R China
[2] Xiamen Univ, Key Lab Underwater Acoust Commun, Marine Informat Technol MOE, Xiamen, Peoples R China
来源：
2010 6TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS NETWORKING AND MOBILE COMPUTING (WICOM) | 2010年
关键词：
Underwater communication; Dual-Mode Modulation; Underwater Acoustic Modem;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Nowadays, the construction and application of underwater acoustic (UWA) networks has received much focus in the research area of UWA communication. This paper constructed an underwater acoustic modem based on two types of spread-spectrum technique, frequency-hopping (FH) and direct sequence spread spectrum (DSSS), correspond to quaternary frequency shift keying (4FSK) and differential binary phase shift keying (DBPSK) modulation respectively. Automatic gain control algorithm, synchronous tracking, and channel coding and interleaving also were studied. A four-node multi-hop network was constructed using this underwater acoustic modem, and has been proved by several experiments in the pool and sea. The dual-mode acoustic modem may be used to build more complicated underwater acoustic communication network in the future.
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收藏
页数：3
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