This paper proposes a novel pilot assignment scheme for cell-free massive Multi-Input Multi-Output (MIMO) systems to alleviate the contamination problem caused by pilot sharing. The proposed scheme ...

Steve travels to Tokyo to get evidence on an ex-girlfriend who's suspected in an outbreak of sabotage. He finds Marta as charming and dangerous as ever; an agent and a soldier who figured her out soon ...

Abstract: In smart cities, intelligent learning environment is an important application scenario, and class attendance checking is an important measure to urge students to attend on time and ensure ...