A foundation of Internet of Things (IoT) devices is based on low-cost devices having ultra-low power consumption. IoT devices are usually powered by batteries that have power, capacity, and size constraints and, therefore, have limited lifespan. As IoT devices have become ubiquitous in many network environments, supplanting batteries or re-energizing batteries frequently can be expensive or, in some cases, even infeasible. Hence, the longevity of IoT devices is crucial to the long-term adoption of such devices. Presented herein is a novel technique to facilitate power management, data collection, and switching IoT devices on/off using Radio Frequency Identification (RFID) tags in order to provide limited power IoT devices. In particular, the technique proposed herein reduces energy consumption and on-demand availability of IoT devices based on device needs, saving 100% of standby (idle-listening cost) energy, resulting in a 2.5-fold increase in overall battery lifespan.
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Kaleem, Muhammad Khizer and Williams, Steve, "POWER MANAGEMENT AND ON-DEMAND READING IN THE POWEROFF MODE FOR ULTRA-LOW-POWER DEVICES", Technical Disclosure Commons, (May 04, 2022)