Abstract: A bidirectional multibeam transmit-reflect-array (TRA) antenna has been proposed for the space–air–ground–sea integrated network (SAGSIN). The TRA consists of alternating transmission ...

Irene Okpanachi is a Features writer, covering mobile and PC guides that help you understand your devices. She has five years' experience in the Tech, E-commerce, and Food niches. Particularly, the ...

Our phones help us keep in touch with people, manage our schedules, make payments, listen to music, work, store photos and videos, and more. For these reasons, losing or misplacing your phone can be a ...