Πλοήγηση ανά Θέμα "Wireless sensor networks"
Αποτελέσματα 1-20 από 52
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AgroNIT: Innovating Precision Agriculture
(2022)Major global concerns considering food production include, not only meeting the increasing food demand but also meeting challenges that put significantly less strain on the environment, safeguard food quality and prevent ... -
Cache consistency in Wireless Multimedia Sensor Networks
(2010)The production of cheap CMOS cameras, which are able to capture rich multimedia content, combined with the creation of low-power circuits, gave birth to what is called Wireless Multimedia Sensor Networks (WMSNs). WMSNs ... -
Cascaded Composite Turbulence and Misalignment: Statistical Characterization and Applications to Reconfigurable Intelligent Surface-Empowered Wireless Systems
(2022)Reconfigurable intelligent surfaces (RISs) empowered high-frequency wireless systems are expected to become the supporting pillar for several reliability and data rate hungry applications. Such systems are, however, sensitive ... -
Coordination strategies for agent migrations in wireless sensor networks
(2016)Agent-based middleware platforms for wireless sensor networks (WSNs) have received a lot of attention during the last years, due to their great flexibility in re-programming, monitoring, handling, and optimizing the ... -
Cross-layer energy-aware topology control through Simulated Annealing for WSNs
(2016)In this paper, we optimize the energy consumption and node placements of a wireless sensor network (WSN) using Simulated Annealing (SA). We propose an energy-aware optimization of the power control, the packet transmission ... -
The d-hop k-data coverage query problem in wireless sensor networks
(2008)The task of querying wireless sensor network (WSN) to retrieve data of interest is very significant and a wealth of query types have been proposed in the context of WSNs. This article describes the d-hop k-data coverage ... -
Data collection from resource-limited wireless sensors for cloud-based applications
(2015)We consider a wireless sensor network (WSN) where each sensor node samples a random signal, places the digitized data in a buffer, and transmits the data to an access point (AP) through a wireless packet erasure communication ... -
Demo: Enabling asynchronous awakenings in wireless sensor networks towards removing duty-cycle barriers
(2017)Typical wireless sensor network applications follow duty-cycle mechanisms, yielding important energy savings by reducing the power consumption of idle listening. However, this approach still dictates predefined cycles of ... -
Demo: In-situ power consumption meter for sensor networks supporting extreme dynamic range
(2017)Typical wireless sensor devices feature an extreme power consumption range between their active and sleep states, thus requiring different hardware setups for measuring their expenditure with high accuracy. In this demo ... -
Demo: Nano power draw in duty-cycled wireless sensor networks
(2019)In this work we present a novel power management architecture for Wireless Sensor Network devices towards minimizing the power consumption when nodes remain in sleep state. Specifically, we propose the employment of an ... -
Detecting energy-efficient central nodes for cooperative caching in wireless sensor networks
(2013)The deployment of wireless sensor networks in many application areas like environment control, target tracking in battlefields, requires an optimization to the communication among the sensors so as to serve data in short ... -
Distributed Algorithms for the Operator Placement Problem
(2015)Operator placement plays a key role in reducing the aggregate network overhead within a wireless sensor network (WSN) to extend battery life and the longevity of the network. Consequently, optimal algorithms for the operator ... -
Distributed Estimation in Wireless Sensor Networks with an Interference Canceling Fusion Center
(2016)In this paper, we consider Distributed Estimation (DES) in a Wireless Sensor Network (WSN) and assume that the number of sensors in the WSN is larger than the available number of transmission slots. With classic DES, the ... -
Edge betweenness centrality: A novel algorithm for QoS-based topology control over wireless sensor networks
(2012)In this paper we propose a novel topology-control algorithm, called edge betweenness centrality (EBC). EBC is based on the concept of betweenness centrality, which has been first introduced in the context of social network ... -
Energy and Spectrum Efficient Parameter Estimation in Wireless Body Sensor Networks
(2015)In this letter we consider the problem of linear distributed estimation (DES) of a random parameter in a wireless body sensor network (BSN). We propose a novel architecture, and an associated optimization model, for DES ... -
Environmental friendly poultry production using novel precision livestock techniques
(2015)The present economic situation in poultry production forces producers to focus on improving efficiency in order to increase their competitiveness. Among the important factors in achieving improved efficiency is the provision ... -
An Event-Based Framework for the Specification and Runtime Checking of Timing Constraints in Wireless Sensor and Actuator Networks
(2015)Distributed monitoring and control applications running on top of wireless sensor and actuator networks need to be developed in a structured and flexible way. Such applications also have strict timing constraints, which ... -
Feasibility study of a HSPA backhauling over satellite for crisis management
(2011)The present paper studies the performance of a high-speed third-generation (3.5G) networking technology, HSPA (High Speed Packet Access), for delivering crisis management and emergency e-health applications under urgent ... -
A framework for secure data delivery in wireless sensor networks
(2012)Typical sensor nodes are resource constrained devices containing user level applications, operating system components, and device drivers in a single address space, with no form of memory protection. A malicious user could ... -
High performance, low complexity cooperative caching for Wireless Sensor Networks
(2009)During the last decade, Wireless Sensor Networks (WSNs) have emerged and matured at such point that currently support several applications like environment control, intelligent buildings, target tracking in battlefields, ...