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 ...

Abstract: Radio frequency (RF) sensing has been commonly employed in health monitoring because of its advantages of noncontact, wide coverage, and privacy protection. Respiratory monitoring within ...

Laptops are practical because you can take them with you. However, laptops have a relatively small screen. If you work on a mobile computer, it quickly becomes annoying to constantly switch programs.