Author:
Sato Yuji,Ebihara Tadashi,Mizutani Koichi,Wakatsuki Naoto
Abstract
Abstract
Multi-user underwater acoustic communication is expected to support efficient and reliable underwater exploration by networking devices in oceans. However, crosstalk occurs when multiple devices emit signals simultaneously. To address this issue, we previously proposed an aplanatic compound eye lens that had the potential to achieve space-division multiple access, but the lens had a complex shape. In this paper, we designed a simple-shape lens consisting of a concave meniscus and having a hemispherical incident surface. Multi-user communication using lenses was simulated. The results showed that the proposed hemispherical lens had almost the same communication quality as the existing aplanatic compound eye lens.
Subject
General Physics and Astronomy,Physics and Astronomy (miscellaneous),General Engineering
Cited by
4 articles.
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