Underwater laser communication with sloped pulse modulation in turbid water

Taewoong Kang, Kiman Kim, Serim Kim and Donghun Lee

International Journal of Distributed Sensor Networks, 2019, vol. 15, issue 3, 1550147719837872

Abstract: In this article, we propose the demonstration of an underwater wireless laser communication link operating at data rates of up to 100 Mbps over a band-limited turbid water channel using a modified pulse position modulation scheme with a sloped pulse. The communication link uses an avalanche photodiode module as the receiver. The bit error rate of a 5.4 × 10 −6 by 450-nm blue laser diode in turbid water with 1.4 Nephelometric Turbidity Unit was below the forward error correction limit. Our demonstrated underwater wireless laser communication system is simple to use and maintains a high data transmission rate.

Keywords: Underwater wireless laser communication; sloped pulse position modulation; blue laser; band-limited turbid water channel; bit error rate; water tank experiment (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:sae:intdis:v:15:y:2019:i:3:p:1550147719837872

DOI: 10.1177/1550147719837872

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