Abstract: In this article, a dual-function intelligent reflecting surface (IRS) assisted cognitive radio (CR) nonorthogonal multiple access (NOMA) networks for secure transmission is studied.

Palm trees, 34ºC, a circuit and roaring V12s. This is a petrolhead’s dream, but I wasn’t in the Middle East to fantasise about becoming a World Endurance Championship (WEC) racing driver; I had seven ...

Abstract: Radio frequency watermarking systems embed the secret watermark bits into host bits for secure transmissions. However, malicious users may initiate ...