Demand Analysis of Command Control System of the Space TT&C Network

This paper firstly describes present situation of Aerospace engineering application and Space TT&C Network in brief, in which the business process of Space mission is analyzed and the problem why it is weak at the command control of the command center at all levels is pointed out. Then the functional requirement including six aspects: resource management, comprehensive situation, task planning, command control, analysis evaluation, is studied, and the command control system architecture of space TT&C network with five layers and two vertical layers is designed.