(Topics include but are not limited to)
Topic 1: Communication Engineering
Communication signal processing
Radar Engineering
digital signal processing 
Microwave Technology and Antennas
Electromagnetic Fields and Waves
image processing
computer vision 
Too few data icons
Analog electronic technology communication
principle
wireless communication 
Digital Communication
multimedia communication 
Internet communication
Antenna and Propagation 
Mobile Internet and Terminal
Other related topics
Topic 2: Cryptography
Cloud Security
Cryptocurrency
cryptography
database security
digital forensics 
Assessment and Certification
Identity management
Intrusion detection
key management 
Mobile Security
network security
Privacy
risk assessment 
Secure e-commerce
security management 
Security protocol
Viruses and malicious software
Topic 3: Information Security
network security
access control 
Information System Security and Management
Social network security, privacy, and trust
Computer Networks and Communication
Signal and image processing
Information security algorithms and protocols
Embedded System Security
communication engineering
satellite communication
Cloud and edge computing Security
Blockchain Security and Privacy
Identity Access Management
Cyber Physical System Security
Intellectual Property Protection
Intelligent Information Processing Technology