Abstract: This paper presents a novel and insightful approach to beamforming a $2\times 2$ antenna array using the theory of characteristic modes. The array comprises four rectangular patch antenna ...
Hundreds of electric buses in Britain could be remotely switched off by China using an inbuilt 'kill switch', according to British security services. Officials at the National Cyber Security Centre ...
Abstract: A novel isolation enhancement method for the shared-aperture antenna is proposed in this letter. When the high-frequency band (HB) antenna is arranged by rotation, the loop current can be ...