Results 21 to 30 of about 31,764 (232)

Optimization of depth-based routing for underwater wireless sensor networks through intelligent assignment of initial energy [PDF]

open access: yes, 2017
Underwater Wireless Sensor Networks (UWSNs) are extensively used to explore the diverse marine environment. Energy efficiency is one of the main concerns regarding performance of UWSNs.
Ahmed, Tanveer   +4 more
core   +3 more sources

An Electronic-Nose Sensor Node Based on a Polymer-Coated Surface Acoustic Wave Array for Wireless Sensor Network Applications

open access: yesSensors, 2011
This study developed an electronic-nose sensor node based on a polymer-coated surface acoustic wave (SAW) sensor array. The sensor node comprised an SAW sensor array, a frequency readout circuit, and an Octopus II wireless module.
Kea-Tiong Tang   +2 more
doaj   +1 more source

Lightweight feature extraction method for efficient acoustic-based animal recognition in wireless acoustic sensor networks

open access: yesEURASIP Journal on Wireless Communications and Networking, 2020
Wireless acoustic sensor networks represent an attractive solution that can be deployed for animal detection and recognition in a monitored area. A typical configuration for this application would be to transmit the whole acquired audio signal through ...
Fatima Al-Quayed   +2 more
doaj   +1 more source

The Citizen as a Key Point of the Policies: A First Approach to Auralization for the Acoustic Perception of Noise in an Urban Environment

open access: yesProceedings, 2019
The improvement of the quality of life in the framework of the smart city paradigm cannot be limited to a set of objective measures carried out over several critical parameters (e.g., noise, air pollution).
Rosa Ma Alsina-Pagès, Pau Bergadà
doaj   +1 more source

Water Pipeline Leakage Detection Based on Machine Learning and Wireless Sensor Networks [PDF]

open access: yes, 2019
The detection of water pipeline leakage is important to ensure that water supply networks can operate safely and conserve water resources. To address the lack of intelligent and the low efficiency of conventional leakage detection methods, this paper ...
Bøe, Hans Jakob   +7 more
core   +2 more sources

Mobile target localization based on iterative tracing for underwater wireless sensor networks

open access: yesInternational Journal of Distributed Sensor Networks, 2020
In underwater wireless sensor networks, sensor position information has important value in network protocols and collaborative detection. However, many challenges were introduced in positioning sensor nodes due to the complexity of the underwater ...
Ruolin Guo   +3 more
doaj   +1 more source

A survey of localization in wireless sensor network [PDF]

open access: yes, 2012
Localization is one of the key techniques in wireless sensor network. The location estimation methods can be classified into target/source localization and node self-localization. In target localization, we mainly introduce the energy-based method.
Ampeliotis D.   +32 more
core   +3 more sources

Utility based cross-layer collaboration for speech enhancement in wireless acoustic sensor networks [PDF]

open access: yes, 2011
A wireless acoustic sensor network is considered that is used to estimate a desired speech signal that has been corrupted by noise. The application layer of the WASN derives an optimal filter in a linear MMSE sense.
Bertrand, A   +4 more
core   +2 more sources

A Balanced Routing Protocol Based on Machine Learning for Underwater Sensor Networks

open access: yesIEEE Access, 2021
An underwater sensor network (UWSN) is a wireless network that is deployed in oceans, seas, and rivers for real-time exploration of environmental conditions.
L. Alsalman, E. Alotaibi
doaj   +1 more source

A novel cooperative opportunistic routing scheme for underwater sensor networks [PDF]

open access: yes, 2016
Increasing attention has recently been devoted to underwater sensor networks (UWSNs) because of their capabilities in the ocean monitoring and resource discovery.
Abello   +8 more
core   +1 more source

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