The goal of this paper is to make an architecture framework for wireless sensor networks that is used for water management application. The proposed framework focuses on offering differentiated services for sensor nodes. Differentiated services are supported based on the information passed from the sensor node to differentiated service motes. Three differentiated services are offered gold, silv...

Model-Driven Engineering is essentially based in metamodel definition, model edition and the specification of model transformations (MT). In many cases the development and maintenance of these transformations are still carried out without the support of proper methods and tools to reduce the effort and cost related to them. As a result, several model transformation testing approaches have been ...

The design of a fully autonomous and wireless actuator node ("wEcoValve mote") based on the IEEE 802.15.4 standard is presented. The system allows remote control (open/close) of a 3-lead magnetic latch solenoid, commonly used in drip irrigation systems in applications such as agricultural areas, greenhouses, gardens, etc. The very low power consumption of the system in conjunction with the low ...

In this paper, we experimentally investigate the effect of fast moving object on the RSSI in the wireless sensor networks in presence of the ground effect and antenna orientation in elevation direction. In experimental setup, MICAz mote pair was placed on the ground, where one mote acts as a transmitter and the other as a receiver. The transmitter mote’s antenna was oriented in elevation direct...

Embedded wireless sensors, once deployed, may remain in active use for decades. At the same time, as motes come to dominate both the number of hosts and data traffic of the Internet, their security will become fundamental to general Internet security. This paper argues that the next generation of embedded networked sensor devices (“motes”) should consider this tension in their basic design and ...

In the past few years, there have been huge research efforts into ubiquitous and context aware platforms that offer a user a custom level of service based on some known local parameters. The utility of such systems is greatly enhanced if a physical locational area can be determined. Recently, hybrid devices have been developed combining low power microcontrollers with short range FM radio trans...

Electron valleys in transition-metal dichalcogenide monolayers drive novel physics and allow designing multifunctional architectures for applications. We propose to manipulate the electron these systems spin/valley filter valve devices through band engineering. Instead of magnetic proximity effect that has been extensively used previous studies, our strategy, are directly coupled spin-polarized...

We explore proximity-induced magnetocaloric effect (MCE) on transition metal dichalcogenides, focusing a two-dimensional (2D) MoTe$_2$ monolayer deposited ferromagnetic semiconductor EuO substrate connected to heat source. model this heterostructure using tight-binding model, incorporating exchange and Rashba fields induced by proximity EuO, including temperature through Fermi statistics. The M...

This project focused on office lighting monitoring and control based on the new MEMS ‘smart dust mote’ sensor technology. Benchmarking tests on the target office space were used to estimate the potential energy saving and environmental benefits that could be achieved by introducing smart motes into an intelligent lighting control system. A sensor validation and fusion algorithm was developed to...

Robotics and Wireless Sensor Network (WSN) collaborations is an emerging research field in which both the technologies can benefit from integrated implementations. A robot operating in WSN assisted environment can dynamically push instructions using over the air (OTA) update protocols to alter sensing requirement. In this paper, an Intrusion Detection System (IDS) for WSN software update protoc...