Abstract: The reconfigurable intelligent surface (RIS) is widely recognized as an effective solution for enhancing security in wireless communications, owing to its passive reflective components and ...

Abstract: Free space optical (FSO) communication, known for its high data rates and immunity to electromagnetic interference, encounters challenges such as weather dependency, misalignment issues, and ...

VB is marginally more affordable on fees, and it also offers a slightly higher dividend yield. The difference in expense and yield is minimal, but cost-conscious investors may still appreciate VB’s ...