MANILA, Philippines — The University of the Philippines Open University (UPOU) has opened enrollment for 25 Massive Open Online Courses (MOOCs) scheduled from July to December 2026, offering learners ...

Abstract: Through simultaneous downlink and uplink transmission on the same frequency slot, in-band full duplex has the potential to double the spectral efficiency of communication systems, however ...

Abstract: In this paper, we investigate reconfigurable intelligent surface (RIS)-enabled full-duplex backscatter communications in multi-user symbiotic radio (SR) systems. Specifically, an RIS is ...