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- Publisher Website: 10.1073/pnas.1704450114
- Scopus: eid_2-s2.0-85023207253
- WOS: WOS:000405177100052
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Article: High-speed acoustic communication by multiplexing orbital angular momentum
Title | High-speed acoustic communication by multiplexing orbital angular momentum |
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Authors | |
Keywords | Demultiplexing High spectral efficiency High-speed acoustic communication Multiplexing Orbital angular momentum |
Issue Date | 2017 |
Publisher | National Academy of Sciences. The Journal's web site is located at http://www.pnas.org |
Citation | Proceedings of the National Academy of Sciences, 2017, v. 114 n. 28, p. 7250-7253 How to Cite? |
Abstract | Long-range acoustic communication is crucial to underwater applications such as collection of scientific data from benthic stations, ocean geology, and remote control of off-shore industrial activities. However, the transmission rate of acoustic communicationis always limited by the narrow-frequency bandwidth of the acoustic waves because of the large attenuation for high-frequency sound in water. Here, we demonstrate a high-throughput communication approach using the orbital angular momentum (OAM) of acoustic vortex beams with one order enhancement of the data transmission rate at a single frequency. The topological charges of OAM provide intrinsically orthogonal channels, offering a unique ability to multiplex data transmission within a single acoustic beam generated by a transducer array, drastically increasing the information channels and capacity of acoustic communication. A high spectral efficiency of 8.0 ± 0.4 (bit/s)/Hz in acoustic communication has been achieved using topological charges between -4 and +4 without applying other communication modulation techniques. Such OAM is a completely independent degree of freedom which can be readily integrated with other state-of-the-art communication modulation techniques like quadrature amplitude modulation (QAM) and phase-shift keying (PSK). Information multiplexing through OAM opens a dimension for acoustic communication, providing a data transmission rate that is critical for underwater applications. |
Persistent Identifier | http://hdl.handle.net/10722/257367 |
ISSN | 2023 Impact Factor: 9.4 2023 SCImago Journal Rankings: 3.737 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Shi, C | - |
dc.contributor.author | Dubois, M | - |
dc.contributor.author | Wang, Y | - |
dc.contributor.author | Zhang, X | - |
dc.contributor.author | Sheng, P | - |
dc.date.accessioned | 2018-07-27T08:03:05Z | - |
dc.date.available | 2018-07-27T08:03:05Z | - |
dc.date.issued | 2017 | - |
dc.identifier.citation | Proceedings of the National Academy of Sciences, 2017, v. 114 n. 28, p. 7250-7253 | - |
dc.identifier.issn | 0027-8424 | - |
dc.identifier.uri | http://hdl.handle.net/10722/257367 | - |
dc.description.abstract | Long-range acoustic communication is crucial to underwater applications such as collection of scientific data from benthic stations, ocean geology, and remote control of off-shore industrial activities. However, the transmission rate of acoustic communicationis always limited by the narrow-frequency bandwidth of the acoustic waves because of the large attenuation for high-frequency sound in water. Here, we demonstrate a high-throughput communication approach using the orbital angular momentum (OAM) of acoustic vortex beams with one order enhancement of the data transmission rate at a single frequency. The topological charges of OAM provide intrinsically orthogonal channels, offering a unique ability to multiplex data transmission within a single acoustic beam generated by a transducer array, drastically increasing the information channels and capacity of acoustic communication. A high spectral efficiency of 8.0 ± 0.4 (bit/s)/Hz in acoustic communication has been achieved using topological charges between -4 and +4 without applying other communication modulation techniques. Such OAM is a completely independent degree of freedom which can be readily integrated with other state-of-the-art communication modulation techniques like quadrature amplitude modulation (QAM) and phase-shift keying (PSK). Information multiplexing through OAM opens a dimension for acoustic communication, providing a data transmission rate that is critical for underwater applications. | - |
dc.language | eng | - |
dc.publisher | National Academy of Sciences. The Journal's web site is located at http://www.pnas.org | - |
dc.relation.ispartof | Proceedings of the National Academy of Sciences | - |
dc.rights | Proceedings of the National Academy of Sciences. Copyright © National Academy of Sciences. | - |
dc.subject | Demultiplexing | - |
dc.subject | High spectral efficiency | - |
dc.subject | High-speed acoustic communication | - |
dc.subject | Multiplexing | - |
dc.subject | Orbital angular momentum | - |
dc.title | High-speed acoustic communication by multiplexing orbital angular momentum | - |
dc.type | Article | - |
dc.identifier.email | Zhang, X: president@hku.hk | - |
dc.identifier.authority | Zhang, X=rp02411 | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1073/pnas.1704450114 | - |
dc.identifier.scopus | eid_2-s2.0-85023207253 | - |
dc.identifier.volume | 114 | - |
dc.identifier.issue | 28 | - |
dc.identifier.spage | 7250 | - |
dc.identifier.epage | 7253 | - |
dc.identifier.isi | WOS:000405177100052 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 0027-8424 | - |