Efficient underwater acoustic communication with peak-to-average power ratio reduction and channel equalization
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Speech Technology"
DOI: 10.1007/s10772-019-09600-1
Abstract: This paper presents an efficient framework for performance enhancement of under-water acoustic communication systems based on pre-equalization and peak-to-average power ratio (PAPR) reduction. The PAPR reduction reduces the peak power of the acoustic orthogonal frequency… read more here.
Keywords: reduction; average power; power; acoustic communication ... See more keywords
Efficient cooperative ARQ protocols based on relay selection in underwater acoustic communication sensor networks
Sign Up to like & getrecommendations! Published in 2019 at "Wireless Networks"
DOI: 10.1007/s11276-018-1773-5
Abstract: The characteristics of the underwater acoustic communication such as large propagation delay, high bit error rate and half-duplex, bring challenges to traditional automatic repeat request (ARQ) schemes. In this paper, we propose cooperative ARQ protocols… read more here.
Keywords: acoustic communication; underwater acoustic; arq; relay ... See more keywords
Shipborne Underwater Acoustic Communication System and Sea Trials with Submersible Shenhai Yongshi
Sign Up to like & getrecommendations! Published in 2018 at "China Ocean Engineering"
DOI: 10.1007/s13344-018-0076-z
Abstract: The Shipborne acoustic communication system of the submersible Shenhai Yongshi works in vertical, horizontal and slant channels according to the relative positions. For ease of use, an array combined by a vertical-cone directional transducer and… read more here.
Keywords: submersible shenhai; communication; shenhai yongshi; acoustic communication ... See more keywords
MIMO Underwater Acoustic Communication in Shallow Water with Ice Cover
Sign Up to like & getrecommendations! Published in 2019 at "China Ocean Engineering"
DOI: 10.1007/s13344-019-0023-7
Abstract: Although multiple-input multiple-output (MIMO) underwater acoustic (UWA) communication has been intensively investigated in the past years, existing works mainly focus on open-water environment. There is no work reporting MIMO acoustic communication in under-ice environment. This… read more here.
Keywords: acoustic communication; water; underwater acoustic; communication ... See more keywords
Multiple-input multiple-output passive time reversal acoustic communication using filtered multitone modulation
Sign Up to like & getrecommendations! Published in 2017 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2016.11.018
Abstract: Abstract Passive time reversal (PTR) technique can be exploited to reduce inter-symbol interference (ISI) span and co-channel interference (CCI) span to some extent in the multiple-input multiple-output (MIMO) PTR underwater acoustic communication using single-carrier (SC)… read more here.
Keywords: modulation; mimo ptr; communication using; communication ... See more keywords
A modulation method of parametric array for underwater acoustic communication
Sign Up to like & getrecommendations! Published in 2019 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2018.07.032
Abstract: Abstract Focusing on the potential value of narrow directivity of parametric sonar in underwater acoustic communication, a broadband recursive filtering modulation method is proposed in this paper to generate parametric array excitation signal. The idea… read more here.
Keywords: underwater acoustic; parametric array; method; acoustic communication ... See more keywords
Stochastic resonance with reinforcement learning for underwater acoustic communication signal
Sign Up to like & getrecommendations! Published in 2021 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2020.107688
Abstract: Abstract In the underwater acoustic communication (UAC), the receive signal is submerged in the heavy noise which make it hard to be detected. Stochastic resonance (SR) utilizes noise instead of eliminating it to improve the… read more here.
Keywords: system; stochastic resonance; reinforcement learning; acoustic communication ... See more keywords
Noise can affect acoustic communication and subsequent spawning success in fish.
Sign Up to like & getrecommendations! Published in 2018 at "Environmental pollution"
DOI: 10.1016/j.envpol.2017.11.003
Abstract: There are substantial concerns that increasing levels of anthropogenic noise in the oceans may impact aquatic animals. Noise can affect animals physically, physiologically and behaviourally, but one of the most obvious effects is interference with… read more here.
Keywords: acoustic communication; noise; spawning success; noise affect ... See more keywords
Phylogenomic analysis sheds light on the evolutionary pathways towards acoustic communication in Orthoptera
Sign Up to like & getrecommendations! Published in 2020 at "Nature Communications"
DOI: 10.1038/s41467-020-18739-4
Abstract: Acoustic communication is enabled by the evolution of specialised hearing and sound producing organs. In this study, we performed a large-scale macroevolutionary study to understand how both hearing and sound production evolved and affected diversification… read more here.
Keywords: sound producing; orthoptera; hearing sound; communication ... See more keywords
Underwater acoustic multiplexing communication by pentamode metasurface
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/abe43e
Abstract: As the dominant information carrier in water, the acoustic wave is widely used for underwater detection, communication and imaging. Even though underwater acoustic communication has been greatly improved in the past decades, it still suffers… read more here.
Keywords: acoustic multiplexing; communication; multiplexing communication; acoustic communication ... See more keywords
Probing Acoustic Communication during Fly Reproductive Behaviors.
Sign Up to like & getrecommendations! Published in 2023 at "Cold Spring Harbor protocols"
DOI: 10.1101/pdb.prot108107
Abstract: During reproduction, male and female flies use wing vibration to generate different acoustic signals. Males produce a courtship song before copulation that is easily recognized by unilateral wing vibration. In copula, females produce a distinct… read more here.
Keywords: probing acoustic; reproductive behaviors; fly reproductive; acoustic communication ... See more keywords