A pattern agile antenna for smart IoT gateways operating at 2.44 GHz is presented. Several radiation patterns pointing in different directions and characterized by different beamwidths can be obtained.
This paper presents a very low consuming re-configurable antenna suitable for ultra-low power internet-of-things (IoT) devices. Thanks to the use of a Digital Tunable Capacitor (DTC), the antenna can be reconfigured to obtain good impedance matching …
The prototype of a differential pattern reconfigurable antenna suitable for efficient wireless sensor networks is presented. The measurement of the prototype as well as the integration with the reconfiguration control system is discussed. Numerical …
Reconfigurable directional antennas (RDA) bring new opportunities to reduce data collision in wireless sensor networks (WSN). In this letter, a new reconfigurable directional antenna-based receiver-Initiated cycled receiver (RDA-RICER) medium access …
Body Area Networks (BAN) have received significant attention in recent years and have found a wide range of applications, including wearable devices for fitness and health tracking, and mobile communications. Battery lifetime continues to be the main …
This paper presents an approach for the synthesis of pattern-reconfigurable antenna suitable for integration into smart wireless sensor nodes. As a proof-of-concept, a simple antenna configuration capable of steering the radiation main beam towards …
In this paper a preliminary study of applying a WSN-based system for the prevention of road incident because of wildlife road crossing is presented. The proposed system is composed by a network of sensors and actuators in order to detect wildlife …
Wireless sensor networks (WSNs) are composed of autonomous sensor nodes that cooperate among themselves to monitor scenarios in environmental, industrial, civilian and military applications. The wide applicability of such systems stimulates the …
In this paper, an innovative approach for the localization and tracking of a passive target in an indoor non-infrastructured environment has been presented. The proposed strategy is based on a LBE approach in order to define at each time step a map …