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수중무선통신 시스템 개발 및 성능시험

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dc.contributor.author임용곤-
dc.contributor.author박종원-
dc.contributor.author김승근-
dc.contributor.author최영철-
dc.contributor.author김시문-
dc.contributor.author변성훈-
dc.date.accessioned2021-12-08T21:40:34Z-
dc.date.available2021-12-08T21:40:34Z-
dc.date.issued20080620-
dc.identifier.urihttps://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/6211-
dc.description.abstractWe present an implementation and it's real-sea test of an underwater acoustic communication system, which allows the system to reduce complexity and increase robustness in time variant underwater environments. For easy adaptation to complicated and time-varying environments of the ocean, all-digital transmitter and receiver systems were implemented. For frame synchronization the CAZAC sequence was used, and QPSK modulation/ demodulation method with carrier frequency of 25kHz and a bandwidth of 5kHz were applied to generate 10kbps transmission rate including overhead. To improve transmission quality, we used several techniques and algorithms such as adaptive beamforming, adaptive equalizer, and convolution coding/Viterbi decoding. For the verification of the system performance, measurement of BER has been done in a very shallow water with depth of 20m at JangMok, Geoje. During the experiment, image data were successfully transmitted up to about 9.6km.-
dc.language한국어-
dc.language.isoKOR-
dc.title수중무선통신 시스템 개발 및 성능시험-
dc.title.alternativeDevelopment and It&quots Real-sea Test of an Underwater Acoustic Communication System-
dc.typeConference-
dc.citation.title2008년도 대한전자공학회 하계종합학술대회-
dc.citation.volume31-
dc.citation.number1-
dc.citation.startPage89-
dc.citation.endPage90-
dc.citation.conferenceName2008년도 대한전자공학회 하계종합학술대회-
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