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 article describes a low-cost and open IoT platform for rural applications in developing countries. Using the latest low-power, long-range radio technologies and off-the-shelves components, the platform can be quickly deployed and customized for a …
This paper deals with the design of antennas enabling miniature and energy efficient wireless internet-of-things (IoT) devices for smart cities. Because of the characteristics required by IoT systems, some specific aspects must be considered during …
This paper discusses the design of miniature antennas for internet-of-things (IoT) applications. Differently from other communication systems, IoT devices have almost no bandwidth requirements, allowing for strong antenna miniaturization. However, …
This paper addresses the problem of the environmental sensitivity of miniature antennas to be integrated in Internet-of-Things devices. A representative example regarding the design of a dual-band miniature antenna for geolocation applications is …
Internet of thing will soon connect billion of objects together. Interference with existing standard in the ISM bands and outside is a hot issue to solve. Ultra-narrow band modulation has recently been proposed to decrease interference for low-data …
The feasibility of using ultra-narrow band (UNB) antennas for internet-of-things applications is discussed. An analysis aimed at evaluating the antenna miniaturisation limits when there are almost no bandwidth requirements is performed. Both …