... Communications and Networking design, physical layer built-in security of wireless systems can be exploited to ensure wireless network security from both the physical layer and upper layers In the ... malicious attackers PERFORMANCE ANALYSIS OF CDMA SYSTEMS WITH SECURE SCRAMBLING Pseudorandom scrambling in CDMA systems provides physical layer built-in user privacy for information transmission ... detection and signal separation algorithms, see [4–6], for example AES-BASED SECURITY ENHANCEMENT OF THE SCRAMBLING PROCESS As can be seen from the previous sections, the physical layer security of CDMA...