Abstract: Massive machine-type communications (mMTC) or massive access is a critical scenario in the fifth generation (5G) and the future cellular network. With the surging density of devices from ...

Abstract: This work studies the unsourced random access (URA) problem via random dictionary learning over Rayleigh block-fading channels with multiple receive antennas. We propose a novel pilot-free ...

John: 2025 was a different sort of year for apps, which is reflected in this year’s MacStories Selects Awards winners. App innovation comes from many places. Sometimes it’s new Apple APIs or hardware, ...

Norkamelia Osman, an NUHS customer service associate, illegally accessed 11 patients' records via the "EPIC" system. Motivated by a desire to "reignite a relationship," she accessed records of another ...