Abstract
The rapid exchange of data with underwater sensors and systems is increasingly valuable for oceanography, oil exploration and other investigations of undersea phenomena. This paper reviews the potential, as well as the limitations, of acoustic, radio-frequency electromagnetic, fiber-optical
and free-space optical techniques for high-bandwidth, undersea communication. In particular, we discuss the environmental and hardware attributes that bound the performance of free-space optical communications in a variety of undersea scenarios. Free-space optical approaches are capable of
providing data bandwidths approaching 109 bits per second (bps) under suitable environmental conditions. More commonly, 10-100 × 106 bps can be achieved over ranges approaching 100 meters. Turbid water and high-ambient light conditions (primarily from downwelling
sunlight) pose a serious challenge to performance at moderate and long ranges.
Publisher
Marine Technology Society
Subject
Ocean Engineering,Oceanography
Cited by
66 articles.
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