[Photo: Georgia Tech] These days, it seems like there are more electromagnetic signals in the air than oxygen, what with television, radio, 4G, Wi-Fi, and satellites all streaming wirelessly around us ...

How did a Georgia Tech team overcome certain limitations to develop an antenna that harvest energy in the 28-GHz band? The key role played by the Rotman lens in making it all happen. Test results ...

As mobile data traffic is projected to triple by 2030, communications service providers (CSPs) are under increasing pressure to enhance network performance while minimizing energy consumption.