| Description
| The basic architecture and principles of mobile communication systems, key technologies and application scenarios of 5G networks, future development trends and challenges of 6G, wireless communication technologies and standards, including the operation mechanisms of SIP (Session Initiation Protocol) and VoNR (Voice over New Radio), security protection mechanisms for communication servers (such as IMS), encryption technologies and authentication mechanisms, security challenges and countermeasures for mobile devices, attack and defense strategies in mobile communication networks, the application of Virtual Private Networks (VPNs) in mobile communication, security challenges in edge computing, and the impact of future communication technologies on society and the economy.
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