Sea Trial Results of the Direct Sequence Spread Spectrum Underwater Acoustic Communication in the East Sea

被引：5
作者：
Han, Jeong-Woo
Kim, Ki-Man
Yun, Yeong-Jung
Mun, Hyeon-Uk
Chun, Seung-Yong
Son, Kweon
机构：
来源：
JOURNAL OF THE ACOUSTICAL SOCIETY OF KOREA | 2012年 / 31卷 / 07期
关键词：
QPSK; Underwater acoustic communication; Multipath; Inter-symbol interference; Direct sequence spread spectrum; Low probability of intercept;
D O I：
10.7776/ASK.2012.31.7.441
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Spread spectrum provides the minimized inter-symbol interference, the low probability of intercept and the multiple access capability. This paper presents a direct sequence spread spectrum with carrier/timing recovery and equalizer which compensates the delay spread caused by multipath transmission. When the sea trials were performed in Korean East Sea, the bit error rates of QPSK and direct sequence spread spectrum are 1.46x10(-2) and 5.17x10(-4) at 3 km source-receiver range, respectively.
引用
收藏
页码：441 / 448
页数：8
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