Results 21 to 30 of about 244,156 (306)

Novel and Optimized Efficient Transmission Using Dynamic Routing Technique for Underwater Acoustic Sensor Networks

Engineering Proceedings, 2023
Underwater acoustic sensor networks involve deploying sensors underwater in order to establish a wireless network framework aimed at discovering new resources, detecting targets, and monitoring pollution.
Swapna Babu, Bhuvaneswari Subramanian, Sujitha Madhavadhas, Kavitha Ganesan, Manjula Dhandapani, Surendiran Muthukumar Deva   +5 more
doaj   +1 more source

Distributed Combined Acoustic Echo Cancellation and Noise Reduction in Wireless Acoustic Sensor and Actuator Networks

IEEE/ACM Transactions on Audio Speech and Language Processing, 2022
The paper presents distributed algorithms for combined acoustic echo cancellation (AEC) and noise reduction (NR) in a wireless acoustic sensor and actuator network (WASAN) where each node may have multiple microphones and multiple loudspeakers, and where
Santiago Ruiz, Toon van Waterschoot, M. Moonen   +2 more
semanticscholar   +1 more source

Sensor Network Architectures for Monitoring Underwater Pipelines

Sensors, 2011
This paper develops and compares different sensor network architecture designs that can be used for monitoring underwater pipeline infrastructures. These architectures are underwater wired sensor networks, underwater acoustic wireless sensor networks, RF
Imad Jawhar, Jameela Al-Jaroodi, Nader Mohamed, Liren Zhang   +3 more
doaj   +1 more source

On the Challenges of Acoustic Energy Mapping Using a WASN: Synchronization and Audio Capture

Sensors, 2023
Acoustic energy mapping provides the functionality to obtain characteristics of acoustic sources, as: presence, localization, type and trajectory of sound sources. Several beamforming-based techniques can be used for this purpose.
Emiliano Ehecatl García-Unzueta, Paul Erick Mendez-Monroy, Caleb Rascon   +2 more
doaj   +1 more source

Acoustic Wave Reflection in Water Affects Underwater Wireless Sensor Networks [PDF]

Sensors, 2023
The phenomenon of acoustic wave reflection off fluid–solid surfaces is the focus of this research. This research aims to measure the effect of material physical qualities on oblique incidence acoustic attenuation across a large frequency range. To construct the extensive comparison shown in the supporting documentation, reflection coefficient curves ...
Kaveripakam Sathish, Monia Hamdi, Ravikumar Chinthaginjala Venkata, Mohammad Alibakhshikenari, Manel Ayadi, Giovanni Pau, Mohamed Abbas, Neeraj Kumar Shukla   +7 more
openaire   +5 more sources

A stateless opportunistic routing protocol for underwater sensor networks [PDF]

, 2018
Routing packets in Underwater Sensor Networks (UWSNs) face different challenges, the most notable of which is perhaps how to deal with void communication areas.
Boutaleb, Tuleen, Ghoreyshi, Seyed Mohammad, Shahrabi, Alireza   +2 more
core   +1 more source

Robust Forecasting for Energy Efficiency of Wireless Multimedia Sensor Networks

Sensors, 2007
An important criterion of wireless sensor network is the energy efficiency inspecified applications. In this wireless multimedia sensor network, the observations arederived from acoustic sensors.
Dao-Wei Bi, Liang Ding, Jun-Jie Ma, Xue Wang   +3 more
doaj   +1 more source

Sensor Hop-based Energy Efficient Networking Approach for Routing in Underwater Acoustic Communication

Journal of Telecommunications and Information Technology, 2017
Underwater Wireless Sensor Networks are deployed to explore the world under the water, measure different parameters and communicate the data to the surface, in the widespread applications.
Sheena Kohli
doaj   +1 more source

EH-DBR: Energy Harvesting Depth Based Routing for Underwater Sensor Networks

EAI Endorsed Transactions on Energy Web, 2018
Wireless sensor networks (WSNs) are network of physical small sensors which are interconnected through wireless links. WSNs are ubiquitous in diverse types of environment such as air interface and underwater acoustic communication.
M.Nouman Khan, Zahid Wadud, Aisha Khalid, Sheeraz Ahmed, Nadeem Javaid, Abdul Hafeez   +5 more
doaj   +1 more source

Machine Learning Prediction of the Long-Term Environmental Acoustic Pattern of a City Location Using Short-Term Sound Pressure Level Measurements

Applied Sciences, 2023
To manage noise pollution, cities use monitoring systems over wireless acoustic sensor networks. These networks are mainly composed of fixed-location sound pressure level sensors deployed in outdoor sites of the city for long-term monitoring.
Juan M. Navarro, Antonio Pita
doaj   +1 more source