Robust Interference Cancellation of Chirp and CW Signals for Underwater Acoustics Applications
IEEE Access, 2018 We focus on mitigating strong interferences that can jam underwater acoustics emissions aimed for detection or communications. We consider two types of interferences: narrowband like continuous waveform and wideband like chirp. Both the types are assumed
Roee Diamant
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Advanced signal processing techniques for underwater acoustic transmission using steerable transducer arrays [PDF]
The main objective of this research is to design and implement an eight-hydrophone transmitter array for generating bipolar acoustic pulses mimicking those produced by cosmogenic neutrino interaction in sea water.
Ooppakaew, Wichian
core
Geometric bounding techniques for underwater localisation using range-only sensors
This paper describes the application of geometric bounding techniques to range-only navigation of an underwater vehicle. A geometric technique is defined to obtain a position fix of an underwater vehicle using a combination of dead-reckoning navigation ...
Veres, Sandor M., Morice, Colin P.
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Network-Assisted Underwater Acoustic Communications
, 2020 For many underwater acoustic applications, the source and receiver systems carry a single transducer antenna. The lack of spatial diversity makes it difficult to carry out phase coherent communications.
T C Yang, Kevin D Heaney
core
On the Design of Noncoherent Acoustic Underwater Communication.
, 2023 The underwater domain is an environment hostile to humans due to the hydrostatic pressure that rapidly increases with water depth, which has led to underwater robotics becoming an emerging technological field with many commercial-, environmental-, and security-related applications.
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Subspace-Based SNR Estimation for Underwater Acoustic Communications
IEEE AccessThis paper proposes a signal-to-noise power ratio (SNR) estimation method for underwater acoustic environments that combines Hankel matrix transformation, singular value decomposition (SVD), and a Gaussian mixture model (GMM).
Kibum Kim +3 more
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Underwater acoustic communication
This review article provides a comprehensive analysis of recent advancements in underwater acoustic communication (UWA) through Orthogonal Frequency Division Multiplexing (OFDM) techniques. The study synthesizes findings from three major areas: pilot-assisted OFDM for channel estimation, subcarrier power modulation for data rate improvement, and ...
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Encrypting underwater acoustic communications: low-bandwidth and cross-layer challenges
The operational use of underwater acoustic communications, particularly in a military context, requires adequate security measures. The minimum level of security required is protection of the user payload in the message, so this is the way to start. Main
Blom, K.C.H. +3 more
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Cooperative robotic networks for underwater surveillance: an overview
IET Radar, Sonar & Navigation, 2017 Underwater surveillance has traditionally been carried out by means of surface and undersea manned vessels equipped with advanced sensor systems. This approach is often costly and manpower intensive. Marine robotics is an emerging technological area that
Gabriele Ferri* +9 more
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Joint Time-Reversal Space-Time Block Coding and Adaptive Equalization for Filtered Multitone Underwater Acoustic Communications. [PDF]
Sensors (Basel), 2020 Sun L, Yan M, Li H, Xu Y.
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