نتایج جستجو برای: underwater acoustic wireless sensor networks

تعداد نتایج: 709015  

2015
Sanket Patel Mehul Patel

Underwater sensor networks (UWSN) resemble terrestrial sensor networks in many aspects. However, the high propagation delay and limited bandwidth make terrestrial sensor network’s protocols unsuitable for UWSN. Underwater sensor node are powered by batteries which are even difficult to recharge. So, energy efficiency is major concern for underwater routing. In this paper ,based on VBF, we provi...

2014
Wouter van Kleunen

Wireless Sensor Networks (WSNs) caused a shift in the way things are monitored. While traditional monitoring was coarse-grained and offline, using WSNs allows fine-grained and real-time monitoring. While radio-based WSNs are growing out of the stage of research to commercialization and widespread adoption, commercial underwater monitoring is still in the stage of coarse-grained and offline moni...

Journal: :journal of advances in computer engineering and technology 2015
hamid hassan kashi amir masoud rahamni mehdi hoseinzadeh vahid sadatpour

in wireless sensor networks, optimal consumptionof energy and having maximum life time are important factors. in this article attempt has been made to send the data packets with particular reliability from the beginning based on aodv protocol. in this way two new fields add to the routing packets and during routing and discovering of new routes, the lowest remained energy of nodes and route tra...

2012
Vikrant Anjesh Kumar

In this paper approach for the underwater sensor network based on the blue-green laser has been proposed. We describe the application of the underwater sensor network in the undersea exploration, and discuss the difficulties in the traditional underwater sensor network. A basic of prototype of underwater laser sensor network has been advanced, which include the architecture of laser network and...

Journal: :isecure, the isc international journal of information security 0
t. y. rezapour department of computer engineering, university of guilan, rasht, iran department of information technology, ports and maritime organization, tehran, iran r. ebrahimi atani department of computer engineering, university of guilan, rasht, iran m. s. abolghasemi department of computer engineering, university of guilan, rasht, iran

wireless sensor networks (wsns) have many applications in the areas of commercial, military and environmental requirements. regarding the deployment of low cost sensor nodes with restricted energy resources, these networks face a lot of security challenges. a basic approach for preparing a secure wireless communication in wsns, is to propose an efficient cryptographic key management protocol be...

Journal: :Wasit journal of computer and mathematics science 2021

Now days, a number of corporate as well social applications are connected with wireless technologies which covered under the domain Internet Things (IoT) and Cloud (CoT). To work development implementation these scenarios, there is need high performance costly gadgets difficult for self finance researchers small organizations. cope up financial aspects developing getting results from advanced e...

Wireless sensor networks are often located in areas where access to them is difficult or dangerous. Today, in wireless sensor networks, cluster-based routing protocols by dividing sensor nodes into distinct clusters and selecting local head-clusters to combine and send information of each cluster to the base station and balanced energy consumption by network nodes, get the best performance ...

2006
Raja Jurdak Cristina Videira Lopes Pedro Aguiar

Recent technological improvements and application opportunities have fueled increased interest in the development and deployment of underwater acoustic sensor networks. Deployment efforts have been impeded by the prohibitive monetary cost and high power consumption of existing acoustic hardware. Alternately, we propose underwater networks that rely on widely available speakers and microphones i...

Journal: :ICST Trans. Mobile Communications Applications 2012
Jun Li Mylène Toulgoat Yifeng Zhou Louise Lamont

With recent developments in terrestrial wireless networks and advances in acoustic communications, multichannel technologies have been proposed to be used in underwater networks to increase data transmission rate over bandwidth-limited underwater channels. Due to high bit error rates in underwater networks, an efficient error control technique is critical in the logical link control (LLC) subla...

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