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Shimadzu Review 81[1・2] (2024)
Abstract
We developed a prototype of an optical/acoustic hybrid underwater communication modem and conducted a proof proof-ofof-concept experiment of the prototype in an ocean setting. The results of this experiment showed that seamless underwater communication over a wide range of distances, from short to long distances, can be achieved by switching communication techniques based on subsea conditions. As demonstrated by this prototype, this can be achieved by using optical wireless communication for high high-capacity data transmission at near and medium distances and switching to acoustic communication for long distances and in other subsea conditions where turbidity and ambient light have a significant impact. This article describes this prototype and the proof proof-ofof-concept experiment of the prototype.
Geoscience Department, Industrial Machinery Division, Shimadzu Corporation, Kyoto, Japan
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