Πλοήγηση ανά Θέμα "Wireless sensor networks"
Αποτελέσματα 21-40 από 52
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High performance, low complexity cooperative caching for wireless sensor networks
(2011)During the last decade, Wireless Sensor Networks have emerged and matured at such point that they currently support several applications such as environment control, intelligent buildings, target tracking in battlefields. ... -
The Impact of Transmit Rate Control on Energy-Efficient Estimation in Wireless Sensor Networks
(2012)We study the impact of physical layer (PHY) transmit rate control on energy efficient estimation in wireless sensor networks. A sensor network collects measurements about an unknown evolving process. Each sensor controls ... -
Intelligent Parking Management System Based on Wireless Sensor Network Technology
(2013)Wireless Sensor Networks can be considered as one of the most challenging and emerging technologies empowering the provision of enhanced services to miscellaneous application domains. The objective of this paper is to ... -
Internet of Things in agriculture, recent advances and future challenges
(2017)The increasing demand for food, both in terms of quantity and quality, has raised the need for intensification and industrialisation of the agricultural sector. The “Internet of Things” (IoT) is a highly promising family ... -
Lifetime maximization in wireless sensor networks with an estimation mission
(2009)We study the problem of maximum lifetime in wireless sensor networks that are entitled with the task of estimating an unknown parameter or process. Sensors take measurements and transfer them in multi-hop fashion to a ... -
Load balancing in wireless sensor networks using kirchhoff's voltage law
(2009)We study load balancing in wireless networks with a single class of traffic, focusing our attention on an important example, i.e., Wireless Sensor Networks. The analysis is based on the Wireless Minimum Cost Problem, an ... -
Maximum lifetime routing in wireless sensor networks
(2004)A routing problem in static wireless ad hoc networks is considered as it arises in a rapidly deployed, sensor based, monitoring system known as the wireless sensor network. Information obtained by the monitoring nodes needs ... -
Measurement aggregation and routing techniques for energy-efficient estimation in wireless sensor networks
(2010)Wireless sensor networks are fundamentally different from other wireless networks due to energy constraints and spatial correlation among sensor measurements. Mechanisms that efficiently compress and transport sensor data ... -
Minimum weighted clustering algorithm for wireless sensor networks
(2015)Extending network lifetime is a primary design objective for a wireless sensor network (WSN). Efficient clustering among sensor nodes seems a promising solution to evenly balance energy consumption and thus extend node and ... -
Mobile agents rendezvous in spite of a malicious agent
(2015)We examine the problem of rendezvous, i.e., having multiple mobile agents gather in a single node of the network. Unlike previous studies, we need to achieve rendezvous in presence of a very powerful adversary, a malicious ... -
Modeling the lossy transmission of correlated sources in multiple access fading channels
(2017)In this paper, we develop accurate distortion models for the lossy transmission of two correlated sources in a multiple access Rayleigh fading channel. We focus on a class of real-life communication systems, where the ... -
Network coding and service reneging for real-time communication in sensor networks
(2010)In a number of application domains, the volatility of the environment where Wireless Sensor Networks (WSNs) should operate engenders time constraints on the generation, processing, and communication of sensory data. In ... -
New metrics for characterizing the significance of nodes in wireless networks via path-based neighborhood analysis
(2009)This paper considers the problem of finding the most central nodes in neighborhoods of a given network with directed or undirected links taking into account only local information.An algorithm that calculates ranking, ... -
Node clustering in wireless sensor networks by considering structural characteristics of the network graph
(2007)The deployment of wireless sensor networks in many application areas, e.g., aggregation services, requires self-organization of the network nodes into clusters. Quite a lot of node clustering techniques have appeared in ... -
Node/Proxy portability: Designing for the two lives of your next WSAN middleware
(2016)Middleware for wireless sensor and actuator networks (WSANs) provides powerful programming abstractions which simplify application development. While it is highly desirable to reuse WSAN middleware across a wide range of ... -
Optimal jamming attack strategies and network defense policies in wireless sensor networks
(2010)We consider a scenario where a sophisticated jammer jams an area in which a single-channel random-access-based wireless sensor network operates. The jammer controls the probability of jamming and the transmission range in ... -
Optimal jamming attacks and network defense policies in wireless sensor networks
(2007)We consider a scenario where a sophisticated jammer jams an area in a single-channel wireless sensor network. The jammer controls the probability of jamming and transmission range to cause maximal damage to the network in ... -
Outage Probability of a Multisensor Mixed UOWC-FSO Setup
(2019)The performance of a network consisting of several underwater sensors communicating with a terrestrial destination is studied for the first time in terms of the outage probability. In the scenario under consideration, K ... -
An overview of body sensor networks in enabling perva-sive healthcare and assistive environments
(2010)The use of sensor networks for healthcare, well-being, and work-ing in extreme environments has long roots in the engineering sector in medicine and biology community. With the growing needs in ubiquitous communications ... -
Performance evaluation of network coding and packet skipping in IEEE 802.15.4-based real-time wireless sensor networks
(2011)In a number of application domains, the volatility of the monitored environment where Wireless Sensor Networks (WSNs) operate engenders timing constraints on the generation, processing, and communication of sensory data. ...