Syllabus 4G / 5G Communication Networks - (CEC331) UNIT I EVOLUTION OF WIRELESS NETWORKS Networks evolution : 2G, 3G, 4G, evolution of radio access networks, need for 5G. 4G versus 5G, Next Generation core(NG-core), visualized Evolved Packet core(vEPC). (Chapter - 1) UNIT II 5G CONCEPTS AND CHALLENGES Fundamentals of 5G technologies, overview of 5G core network architecture, 5G new radio and cloud technologies, Radio Access Technologies (RATs), EPC for 5G. (Chapter - 2) UNIT III NETWORK ARCHITECTURE AND THE PROCESSES 5G architecture and core, network slicing, multi access edge computing(MEC)visualization of 5G components, end-to-end system architecture, service continuity, relation to EPC, and edge computing. 5G protocols : 5G NAS,NGAP, GTP-U, IPSec and GRE. (Chapter - 3) UNIT IV DYNAMIC SPECTRUM MANAGEMENT AND MM-WAVES Mobility management, Command and control, spectrum sharing and spectrum trading, cognitive radio based on 5G, millimeter waves. (Chapter - 4) UNIT V SECURITY IN 5G NETWORKS Security features in 5G networks, network domain security, user domain security, flow based QoS framework, mitigating the threats in 5G. (Chapter - 5)