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논문 기본 정보

자료유형
학술대회자료
저자정보
Seong-Ho Kim (Hoseo University) Se-Yeon Kim (Hoseo University) Tae-Geon Chung (Hoseo University) Ho-Jun Lee (Hoseo University) Sung-Hyun Park (Hoseo University) Hak-Lim Ko (Hoseo University)
저널정보
한국정보통신학회 INTERNATIONAL CONFERENCE ON FUTURE INFORMATION & COMMUNICATION ENGINEERING 2023 INTERNATIONAL CONFERENCE ON FUTURE INFORMATION & COMMUNICATION ENGINEERING Vo.14 No.1
발행연도
2023.1
수록면
295 - 298 (4page)

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Recently there are underwater applications which uses Linear Frequency Modulation acoustic signals for location tracking and therefore the LFM signal is required to be optimized in the underwater environment. Considering underwater acoustic channel properties that water moves faster during summer time, LFM signal optimization experiments were conducted in Han River and West Sea in South Korea during last summer time. The experiments targets to optimize carrier frequency, bandwidth, and the duration of the LFM signal. The frequency range from 30 kHz to 50 kHz were tested and cross correlation between received LFM and original LFM is measured at a receiver side to check the signal reception reliability and accuracy. The experiment results demonstrated that the highest cross correlation is measured when one-second duration LFM signal was transmitted at the carrier frequency of 32, 34 and 36 kHz, however, there was no significant difference between 1 kHz and 2kHz channel bandwidth.

목차

Abstract
Ⅰ. INTRODUCTION
Ⅱ. Environment of Underwater Channel Analysis in Han River and West Sea in Korea
Ⅲ. RESULTS
Ⅳ. DISCUSSION AND CONCLUSIONS
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