(The following topics include but are not limited to)
Topic 1: Communication Technology
5G communication technology
mobile communication
Wireless technology
Wireless data
IP and Broadband Network Technology
microwave communication 
Optoelectronics and Optical Communication
Signal and Information Processing
Quantum Information Technology
Aerospace Communication Technology
Geographic Information Science
Digital signal processing for communication systems
Wireless communication system
Satellite Measurement, Control and Communication Technology
Satellite Mobile Communication Technology
data communication
information network
Mobile Internet and Terminal
RF technology
satellite communication
mobile communication
Microwave radio
Signal and System
Communication electronic circuit
Microcontroller technology
Topic 2: Cybersecurity
Data Protection and Privacy
Information Security Management
network security
Big data security
Artificial Intelligence and Data Security
data mining 
Symmetric and Asymmetric Encryption Algorithms
Lightweight encryption algorithm
Data Encryption Standards and Protocols
Hash functions and digital signatures
Data integrity verification mechanism
Secure data transmission
Homomorphic encryption 
data encryption 
Other related topics