Battery Less Nfc Sensors For The Internet Of Things
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Battery-less NFC Sensors for the Internet of Things
The implementation of near-field communication (NFC) technology in smartphones has grown rapidly, especially due to the use of this technology as a payment system. In addition, the ability to use the energy transmitted not only for communication, but also for feeding other devices, which together with the low cost of NFC chips and the internet connectivity of the smartphones, allows the design of battery-less RF tags with sensing capabilities, whose information can be sent to the cloud. This is of great interest in the increasing amount of IoT (Internet of Things) scenarios. This book studies the feasibility of these sensors, analyzing the different parameters that have an influence on performance and in the range of operation. It also presents techniques to increase the range and analyzes the effects of certain materials when they are close to the antenna. The design and analysis of several sensors that can be powered and read by any NFC enabled device are presented in this work.
Battery-Free Sensor Networks for Sustainable Next-Generation IoT Connectivity
Battery-free sensor networks emerge as a pivotal technology for enabling sustainable, next-generation Internet of Things (IoT) connectivity. These networks leverage energy harvesting techniques, such as solar, thermal, or radiofrequency (RF) energy, to power sensors and devices, eliminating the need for traditional batteries. This reduces the environmental impact of battery disposal while extending the operational lifetime of IoT devices, making them more reliable and cost-effective. By harnessing energy sources, battery-free sensor networks hold the potential to revolutionize applications in smart cities, industrial monitoring, healthcare, and agriculture, contributing to the development of energy-efficient, self-sustaining IoT systems. Battery-Free Sensor Networks for Sustainable Next-Generation IoT Connectivity explores contemporary developments in battery-free sensor networks and their pivotal role in advancing sustainable connectivity within the next-generation IoT landscape. It delves into the latest advancements, challenges, and applications of battery-free sensor technologies, offering insights into their design principles, energy harvesting techniques, communication protocols, and deployment strategies. This book covers topics such as healthcare monitoring, sensor technology, and sustainability, and is a useful resource for engineers, scientists, environmentalists, business owners, academicians, researchers, and security professionals.
Recent Wireless Power Transfer Technologies
The Wireless Power Transfer concept is continuously and rapidly evolving and new challenges arise every day. As a result of these rapid changes, the need for up-to-date texts that address this growing field from an interdisciplinary perspective persists. This book, organized into ten chapters, presents interesting novel solutions in the exploitation of the near- and far-field techniques of wireless power transfer that will be used in the near future, as well as a bird's eye view of some aspects related to an emerging technological area that will change our lives and will change the paradigm of how we use electrical equipment. The book covers the theory and also the practical aspects of technology implementation in a way that is suitable for undergraduate and graduate-level students, as well as researchers and professional engineers.