Results 21 to 30 of about 29,573 (272)

Smart Wireless Acoustic Sensor Network Design for Noise Monitoring in Smart Cities

Sensors, 2020
This Special Issue is focused on all the technologies necessary for the development of an efficient wireless acoustic sensor network, from the first stages of its design to the tests conducted during deployment; its final performance; and possible ...
Rosa Ma Alsina-Pagès, Patrizia Bellucci, Giovanni Zambon   +2 more
doaj   +1 more source

An Impedance-Loaded Orthogonal Frequency-Coded SAW Sensor for Passive Wireless Sensor Networks

Sensors, 2020
A passive wireless impedance-loaded orthogonal frequency-coded (OFC) surface acoustic wave (SAW) sensor for wireless sensor networks was proposed in this paper. One of the chips on OFC SAW tag is connected to an external sensor, which could cause a phase
Xuan Dai, Lili Fang, Chuanfang Zhang, Houjun Sun   +3 more
doaj   +1 more source

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

, 2016
Increasing attention has recently been devoted to underwater sensor networks (UWSNs) because of their capabilities in the ocean monitoring and resource discovery.
Abello, Alireza Shahrabi, Seyed Ghoreyshi, Tuleen Boutaleb, Xie, Xie, Yan, Zhang, Zhou   +8 more
core   +1 more source

A survey of localization in wireless sensor network [PDF]

, 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., Borras J., Brida P., Carsten Maple, Chen P. C., Chen Y., Chengdong Wu, Chia-Ho O., Deng K., Dong S., Erol M., Fujiwara R., Gezici S., Gogolak L., Goldenberg D. K., Hamouda Y. E. M., Hao Wu, Kaplan L. M., Kim W., Lee J., Long Cheng, Mengxin Li, Niu R., Qu X., Qu X., Shang Y., Silventoinen M. I., Suroso D. J., Venkatraman S., Wylie M. P., You C., Yunzhou Zhang, Zhu Y.   +32 more
core   +3 more sources

A Low Cost Wireless Acoustic Sensor for Ambient Assisted Living Systems

Applied Sciences, 2017
Ambient Assisted Living (AAL) has become an attractive research topic due to growing interest in remote monitoring of older people. Development in sensor technologies and advances in wireless communications allows to remotely offer smart assistance and ...
Miguel A. Quintana-Suárez, David Sánchez-Rodríguez, Itziar Alonso-González, Jesús B. Alonso-Hernández   +3 more
doaj   +1 more source

A Secure Remote Mutual Authentication Scheme Based on Chaotic Map for Underwater Acoustic Networks

IEEE Access, 2020
Underwater acoustic networks (UANs) have emerged as a new wireless sensor network structure widely used in many applications. Sensor nodes are usually placed in a hostile and unattended underwater environment to gather information with limited resource ...
Shuailiang Zhang, Xiujuan Du, Xin Liu
doaj   +1 more source

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

Acoustic energy transmission in cast iron pipelines [PDF]

, 2015
In this paper we propose acoustic power transfer as a method for the remote powering of pipeline sensor nodes. A theoretical framework of acoustic power propagation in the ceramic transducers and the metal structures is drawn, based on the Mason ...
Boyle, D, Kiziroglou, ME, Wright, SW, Yeatman, EM   +3 more
core   +1 more source

UA-MAC: An Underwater Acoustic Channel Access Method for Dense Mobile Underwater Sensor Networks

International Journal of Distributed Sensor Networks, 2014
The long propagation delay and low data rate characteristics of acoustic communication attach many challenges to underwater wireless sensor networks. In this paper, a TDMA based underwater acoustic channel access method (UA-MAC) is proposed mainly to ...
Chao Lv, Shuo Wang, Min Tan, Lan Chen
doaj   +1 more source

Wireless Sensor Array Network DoA Estimation from Compressed Array Data via Joint Sparse Representation

Sensors, 2016
A compressive sensing joint sparse representation direction of arrival estimation (CSJSR-DoA) approach is proposed for wireless sensor array networks (WSAN).
Kai Yu, Ming Yin, Ji-An Luo, Yingguan Wang, Ming Bao, Yu-Hen Hu, Zhi Wang   +6 more
doaj   +1 more source