(The following topics include but are not limited to)
Topic 1: Electronics, Circuits
Communication software
Physical Layer and Communication Theory
Green communication
Transmission and reception technology
Mobile network
Next Generation Network and Internet
Optical Networks and Systems
Communication signal processing
Electric transportation and electric vehicles, integration of power technology and smart grid
Wired network
Sky ground communication and space network
multimedia communication 
Integrated sensing and communication
Semantic communication
Cloud and edge computing
Source channel coding
Information and Communication Engineering
Digital circuits and signal processing
Analog circuits and signal processing
Design and Manufacturing of Ultra Large Scale Integrated Circuits
Semiconductor devices and circuits
Parallel and distributed computing
Measurement and Control Technology and Instruments
Testing and reliability
Sensing and sensor networks
Microcontroller technology
Low power consumption and acquisition technology
electromagnetic compatibility 
Electrical technology
Electric motors and appliances
Power and energy circuits
Power system communication
Antenna system, propagation and RF design
Electric vehicles, in vehicle electronics, and intelligent transportation
Emerging technologies, 5G, etc
IoV, IoT, M2M, sensor networks, Ad Hoc networks
Machine Learning and Optimization of Wireless Systems
Positioning, Navigation, and Mobile Satellite Systems
Wireless Access Technology and Heterogeneous Networks
Communication spectrum management
Reconfigurable intelligent surfaces and intelligent environments
Unmanned aerial vehicle communication, vehicle network, and remote information processing
Wireless networks: protocols, security, and services
Cognitive Radio and Artificial Intelligence Networks
Communication and Information System Security
Communication QOS, Reliability, and Modeling
Topic 2: Communication Technology
Analog Electronic Technology
Signal and System
Communication electronic circuits
Microcontroller technology
Integrated design of electronic circuits
Principles of Digital Communication
DSP technology
Modern Communication Network Technology
Modern Fiber Optic Communication Technology
Aviation communication technology
Aerospace communication technology
Electronic Science and Technology
Information and Communication Engineering
Fundamentals of Communication Network Theory
Modern Exchange Technology
multimedia communication 
wireless communication 
Broadband Access and Internet Communication
Antenna and Propagation 
Optical Communication and Optical Networks
Mobile Internet and Terminal
Radio frequency technology
satellite communication
mobile communication
Microwave radio, etc