Abstract: A split-ring resonator (SRR) array metamaterial of zero-index unit cell configuration has been proposed. The SRR is made up of four loops; r1, r2, r3, and r4, which are inductance related, ...
Abstract: LoRaWAN is a wireless communication technology that supports long-distance connectivity for Internet of Things (IoT) devices. The quality of LoRaWAN signal and coverage range depend on many ...