The content of the competition corresponds to the relevant occupational positions or job groups, reflects core competence and knowledge of the profession, and covers a wealth of professional knowledge and skills.This competition examines knowledge of 5G mobile communications. Core knowledge: Master the conceptions related to BBU and AAU of 5G base station equipment, boards, interfaces and functions, usage of tools for network optimization testing, and analysis methods of network optimization. Complete the installation and commissioning of devices in the virtual environment based on the information provided in the task book. It is required to establish three cells that can operate normally. Identify the cause of the failure according to the parameters provided in the task book and the failure status of the equipment, re-adjust the parameters or hardware to make the base station run normally, and output a single-station optimization report after testing and optimization. Then provide a comprehensive score balanced with networking and commissioning and testing and optimization results.