Robust orbital-angular-momentum-based underwater acoustic communication with dynamic modal decomposition method
Liulin Li,
Bingyi Liu,
Zhongyi Guo
Abstract:Recently, acoustic communication employing orbital angular momentum (OAM) opens another avenue for efficient data transmission in aquatic environments. Current topological charge (TC) detection of OAM beams relies on the orthogonality among different-order OAM beams. However, such strategy requires measurements of the complete azimuthal acoustic pressure, which inevitably reduces the efficiency and increases the bit error rate (BER). To address these challenges, this study proposes a modified dynamic modal dec… Show more
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