Articles with "acoustic communications" as a keyword



Pilot Assisted MIMO-OFDM-IM Design for Time-Varying Underwater Acoustic Communications

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Published in 2021 at "Wireless Personal Communications"

DOI: 10.1007/s11277-021-08642-6

Abstract: This paper proposes a multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing-index modulation (OFDM-IM) design for underwater acoustic communications. The proposed MIMO-OFDM-IM utilizes an equally spaced known data (pilot subcarriers). This feature assists in overcoming different… read more here.

Keywords: acoustic communications; time varying; pilot; ofdm design ... See more keywords

Blind deconvolution based equalizer for underwater acoustic communications

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Published in 2019 at "Applied Acoustics"

DOI: 10.1016/j.apacoust.2019.01.022

Abstract: Abstract Reliable and efficient underwater acoustic communications are challenging problems because of complex underwater channel properties. With the recent advancements in underwater technologies, there is a need for a robust underwater communication system which can… read more here.

Keywords: acoustic communications; underwater acoustic; blind deconvolution; deconvolution based ... See more keywords

Effective SNR Mapping and Link Adaptation Strategy for Next-Generation Underwater Acoustic Communications Networks: A Cross-Layer Approach

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Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2908018

Abstract: Interest in the study of next-generation underwater sensor networks for ocean investigation has increased owing to developing concerns over its utilization in areas, such as oceanography, commercial operations in maritime areas, and military surveillance. The… read more here.

Keywords: system; link adaptation; acoustic communications; level ... See more keywords

Lake Experimentation of in-Band Full-Duplex Underwater Acoustic Communications With a Receiving Array

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Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2023.3250444

Abstract: In-band full-duplex (IBFD) communications is a promising technique to achieve spectral-efficient communication in the underwater environment. To achieve IBFD underwater communications, suppression of self-interference (SI) is a prerequisite. In this paper, SI suppression using physical… read more here.

Keywords: acoustic communications; full duplex; ibfd; underwater acoustic ... See more keywords

Editorial Underwater Acoustic Communications: Where We Stand and What Is Next?

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Published in 2019 at "IEEE Journal of Oceanic Engineering"

DOI: 10.1109/joe.2018.2883872

Abstract: Underwater acoustic communications and networking technologies are critical tools for underwater exploration, subsea resource extraction, national defensemissions, etc. Their roles are becoming ever more important as nations around the globe turn to the oceans as… read more here.

Keywords: stand next; acoustic communications; editorial underwater; underwater acoustic ... See more keywords

Eigendecomposition-Based Partial FFT Demodulation for Differential OFDM in Underwater Acoustic Communications

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Published in 2018 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2018.2813327

Abstract: Differential orthogonal frequency division multiplexing (OFDM) is practically attractive for underwater acoustic communications since it has the potential to obviate channel estimation. However, similar to coherent OFDM, it may suffer from severe inter-carrier interference over… read more here.

Keywords: eigendecomposition based; acoustic communications; fft demodulation; partial fft ... See more keywords

IRS-Aided Secure Reliable Underwater Acoustic Communications

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Published in 2024 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2024.3420779

Abstract: Recently, there has been a growing deployment of buoyed nodes on the sea surface for tactical acoustic communications with autonomous underwater vehicles (AUVs). This development necessitates the establishment of secure and reliable buoyed node-to-AUV links… read more here.

Keywords: secure reliable; bia link; irs aided; acoustic communications ... See more keywords

Channel-Based Key Generation for Secure Underwater Acoustic Communications

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Published in 2025 at "IEEE Transactions on Wireless Communications"

DOI: 10.1109/twc.2025.3548670

Abstract: To protect underwater acoustic communications from interception, the exchange of encryption keys is necessary. Since underwater devices can be compromised, generating keys on site is a better option than predefined keys. In this paper, we… read more here.

Keywords: underwater acoustic; channel based; alice bob; acoustic communications ... See more keywords

Adaptive reception of aggregate frequency signals in an underwater acoustic communications channel under different types of interference

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Published in 2017 at "Acoustical Physics"

DOI: 10.1134/s1063771017030058

Abstract: The paper presents the results of experimental research on a multichannel underwater acoustic communications system that increases the digital information rate by aggregate frequency signals under deepsea conditions with multipath signal propagation. Quantitative estimates of… read more here.

Keywords: frequency signals; acoustic communications; aggregate frequency; types interference ... See more keywords

Learning to Equalize for Single-Carrier Underwater Acoustic Communications

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Published in 2025 at "Journal of Marine Science and Engineering"

DOI: 10.3390/jmse13112209

Abstract: Learning-based equalizers for multicarrier communication systems have been widely studied over underwater acoustic (UWA) channels. In this article, a learning-based equalizer is utilized for single-carrier (SC) underwater acoustic communications. A comprehensive comparison is made between… read more here.

Keywords: underwater acoustic; single carrier; carrier underwater; acoustic communications ... See more keywords