Sea trial results of long range underwater acoustic communication based on frequency modulation in the East Sea

Joo-Hyoung Lee; Geun-Hyeok Lee; Ki-Man Kim; Wan-Jin Kim

doi:10.7776/ASK.2019.38.4.371

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2019 Vol.38, Issue 4 Next Page

Research Article

Sea trial results of long range underwater acoustic communication based on frequency modulation in the East Sea 동해에서 주파수 변조에 기반한 장거리 수중음향통신의 해상실험 결과

31 July 2019. pp. 371-377

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Abstract

In this paper, we present the sea trial results of long distance underwater acoustic communication in the East Sea, October 2018. One transmitter and sixteen vertical array receivers were used to collect underwater acoustic communication signals, and the maximum distance between the transmitter and the receiver was 90 km. Information was transmitted by BFSK (Binary Frequency Shift Keying) and BCSK (Binary Chirp Shift Keying) method, which are typical digital frequency modulation techniques. Experimental results show that there is no error in all cases at the transmission distance of 60 km, and BFSK and BCSK have average uncoded bit error rate of 0.0197 and 0.0007 respectively without channel coding at 90 km transmission distance.

Keywords

Long range underwater acoustic communication

Frequency shift keying

Chirp shift keying

Uncoded bit error rate

본 논문에서는 2018년 10월 동해에서 수행된 장거리 수중음향통신의 해상실험 결과를 제시한다. 하나의 송신기와 16개의 수직 배열 수신기를 이용하여 수중음향통신 신호를 수집하였으며, 송신기와 수신기 사이의 거리는 최대 90 km로 하였다. 대표적인 디지털 주파수 변조 기법에 해당하는 BFSK(Binary Frequency Shift Keying) 방식과 BCSK(Binary Chirp Shift Keying) 방식으로 정보를 전송하였다. 실험 결과 60 km 전송 거리에서는 모든 경우에서 오류가 나타나지 않았으며, 90 km 전송 거리에서는 채널 부호화 기법이 적용되지 않은 비부호화 비트 오류율에 있어서 BFSK와 BCSK 두 방식 각각 평균 0.0197과 0.0007을 나타내었다.

키워드

장거리 수중음향통신

주파수 천이 변조

처프 천이 변조

비부호화 비트 오류율

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Information

Publisher :The Acoustical Society of Korea
Publisher(Ko) :한국음향학회
Journal Title :The Journal of the Acoustical Society of Korea
Journal Title(Ko) :한국음향학회지
Volume : 38
No :4
Pages :371-377
Received Date : 2019-03-11
Revised Date : 2019-04-04
Accepted Date : 2019-05-14
DOI :https://doi.org/10.7776/ASK.2019.38.4.371

The Journal of the Acoustical Society of KoreaISSN:1225-4428(Print) 2287-3775(Online)한국음향학회

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