Pilot Assisted MIMO-OFDM-IM Design for Time-Varying Underwater Acoustic Communications
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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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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
Sign Up to like & getrecommendations! 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?
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Adaptive reception of aggregate frequency signals in an underwater acoustic communications channel under different types of interference
Sign Up to like & getrecommendations! 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