Results 11 to 20 of about 3,227,807 (272)
UAN: underwater acoustic network [PDF]
Acoustic networks are for underwater what wifi is for terrestrial networks. The ocean is a nearly perfect media for acoustic waves in which regards long range propagation but poses a number of challenges in terms of available bandwidth, Doppler spread and channel fading.
Caiti, A. +7 more
core +4 more sources
Energy Harvesting Hybrid Acoustic-Optical Underwater Wireless Sensor Networks Localization [PDF]
Underwater wireless technologies demand to transmit at higher data rate for ocean exploration. Currently, large coverage is achieved by acoustic sensor networks with low data rate, high cost, high latency, high power consumption, and negative impact on ...
Nasir Saeed +3 more
doaj +2 more sources
A Secure Communication Suite for Underwater Acoustic Sensor Networks [PDF]
In this paper we describe a security suite for Underwater Acoustic Sensor Networks comprising both fixed and mobile nodes. The security suite is composed of a secure routing protocol and a set of cryptographic primitives aimed at protecting the ...
Angelica Lo Duca, Gianluca Dini
doaj +2 more sources
Realization of Underwater Acoustic Networks. [PDF]
This work contains a study of underwater acoustic networks. The concept of underwater acoustic networks has been presented with its benefits and drawbacks. An overview of the marine research areas oceanography, seismology, waterside security, marine pollution and marine biology has been made and a review of conventional methods and instrumentation ...
Riksfjord, HÃ¥kon
core +4 more sources
The application based on big data is an important development trend of underwater acoustic sensor networks. However, traditional underwater acoustic sensor networks rely on the hardware infrastructure.
Jianping Wang, Lijuan Ma, Wei Chen
doaj +1 more source
Exploring and monitoring the underwater world using underwater sensors is drawing a lot of attention these days. In this field cooperation between acoustic sensor nodes has been a critical problem due to the challenging features such as acoustic channel ...
Dalhatu Muhammed +4 more
doaj +1 more source
Simplified Scheduling for Underwater Acoustic Networks
The acoustic propagation speed under water poses significant challenges to the design of underwater sensor networks and their medium access control protocols. Similar to the air, scheduling transmissions under water has significant impact on throughput, energy consumption, and reliability.
van Kleunen W. +2 more
openaire +3 more sources
Jamming-resilient algorithm for underwater cognitive acoustic networks
Due to the limit spectrum resource in the underwater acoustic networks, underwater cognitive acoustic communication is a promising technique. The channel sharing mechanism in cognitive networks can improve the communication capacity efficiently.
Zixiang Wang +4 more
doaj +1 more source
Military forces of every country are trying their best to protect their motherland from the attackers. With advancement in marine technology, it has become critical to detect and track the target by obtaining active measurements before it is close enough
Huma Ghafoor, Youngtae Noh
doaj +1 more source
Through-Ice Acoustic Source Tracking Using Vision Transformers with Ordinal Classification
Ice environments pose challenges for conventional underwater acoustic localization techniques due to their multipath and non-linear nature. In this paper, we compare different deep learning networks, such as Transformers, Convolutional Neural Networks ...
Steven Whitaker +3 more
doaj +1 more source

