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

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 ...

Abstract: This paper presents a 23GHz RF -beamforming transmitter (TX) for inter-satellite communications. By combining a variable gain amplifier (VGA), a phase shifter (PS), and a ...