Abstract: The synergy between artificial noise (AN) and intelligent reflecting surface (IRS) has been shown to significantly improve physical layer security (PLS) in wireless networks. In addition, ...

Abstract: Cell-free (CF) multiuser multiple-input multiple-output (MU-MIMO) systems are an emerging technology that provides service simultaneously to multiple users but suffers from multiuser ...

Ark Invest CEO Cathie Wood has made a name for herself as an influential growth investor. When growth stocks are in a bull market phase, her tech- and innovation-focused exchange-traded funds (ETFs) ...

Archer Aviation hasn't generated any revenue yet. The company's losses are expanding, and costs are growing. There's likely too much enthusiasm for the stock right now. Archer Aviation is betting on ...