نتایج جستجو برای: heterogeneous sensor networks

تعداد نتایج: 687882  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1389

wireless sensor networks (wsns) are one of the most interesting consequences of innovations in different areas of technology including wireless and mobile communications, networking, and sensor design. these networks are considered as a class of wireless networks which are constructed by a set of sensors. a large number of applications have been proposed for wsns. besides having numerous applic...

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...

M. S. Abolghasemi R. Ebrahimi Atani, T. Y. Rezapour,

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...

H. Nezamabadi-Pour, M. B. Dowlatshahi, M. Kuchaki Rafsanjani,

Wireless Sensor Networks (WSNs) are networks of autonomous nodes used for monitoring an environment. In designing WSNs, one of the main issues is limited energy source for each sensor node. Hence, offering ways to optimize energy consumption in WSNs which eventually increases the network lifetime is strongly felt. Gravitational Search Algorithm (GSA) is a novel stochastic population-based meta-...

Journal: :IEMEK Journal of Embedded Systems and Applications 2012

2007
Isaac Amundson Manish Kushwaha Branislav Kusy Peter Volgyesi Gyula Simon Xenofon Koutsoukos Akos Ledeczi

Heterogeneous sensor networks consisting of resource-constrained nodes as well as resource-intensive nodes equipped with high-bandwidth sensors offer significant advantages for developing large sensor networks for a diverse set of applications. Target tracking can benefit from such heterogeneous networks that support the use of sensors with different modalities. Such applications require tight ...

2011
K. Raghava Rao Ravi Kumar

Sensor description represented through semantic technologies in heterogeneous sensor network is a better interoperability mechanism. Through semantic annotation, it is possible to provide context awareness information from sensor networks. This will useful to improve to extract knowledge from sensor data streams and discover new sensor capabilities. We propose an innovative architecture for a s...

2015
Amit Thakur

Heterogeneous Wireless Sensor Network (WSN) comprises of sensor nodes with distinctive capability, for example, diverse computing power and sensing range. Contrasted with homogeneous WSN, arrangement and topology control are more perplexing in heterogeneous WSN. Distinctive energy efficient clustering protocols for wireless sensor networks systems and thinks about these protocols on a few focus...

2013
Amelie Gyrard

We are surrounding by sensor networks such as healthcare, home or environmental monitoring, weather forecasting, etc. All sensor-based applications proposed are domain-specific. We aim to link these heterogeneous sensor networks to propose promising applications. Existing applications add semantics to the sensor n etworks, more specifically, to the context, rather than to the sensed data. We pr...

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