What if a doorbell never needed a battery and still sent signals wirelessly over long distances. This design can turn every ...

Abstract: As the demand for communication rates increases, the existing Sub-6GHz frequency band has become very crowded and difficult to meet future communication needs. The abundant spectrum ...

Abstract: In this article, a hybrid radio frequency-visible light communication and positioning (RF-VLCP) system is designed, which can support high-data rate communication and high accuracy ...