Abstract
The air traffic management (ATM) system is an intelligent system that integrates the ground computer network, the airborne network, and the space satellite (communication and navigation) network. It has remarkable characteristics of cyber-physical system (CPS). The development of ATM system is inseparable from the application of new technologies. This paper proposes a security framework based on blockchain for CPS in the ATM system. Through the research on the characteristics of blockchain and CPS, this paper analyzes the necessity of integrating them into the research of the ATM system, demonstrates the feasibility of combining them, and then constructs the ATMChain framework mechanism to realize the in-depth integration of blockchain and CPS in ATM. On this basis, this paper gives the overall design architecture and implementation steps of the scheme. In addition, this paper also makes a series of analysis and demonstration from the perspective of scheme security. The research scheme will help to improve the security, reliability, and scalability of ATM services and provide a new reference for establishing a more security and efficient ATM system.
Highlights
As a large-scale key infrastructure for the safe operation of civil aviation, the air traffic management (ATM) system includes a large number of heterogeneous functional subsystems, which constitutes a typical complex system [1]
With the continuous improvement of the informatization and networking degree of the ATM system, the interaction between its components is closer, the data in the system need to be highly shared, and the functions of each subsystem need to support each other, which has the typical characteristics of the cyber-physical system (CPS) [2]. e CPS is a comprehensive system that involves computer algorithms and cyber and physical objects. e CPS monitors and perceives the objects of the physical world and controls the behavior of physical entities by mining and analyzing the rich data contained in the physical world, so as to realize the efficient operation of the physical world [3, 4]
The concept of CPS has become one of the core guiding ideology adopted by Federal Aviation Administration (FAA) in deploying NextGen, the third generation ATM system [8, 9]
Summary
As a large-scale key infrastructure for the safe operation of civil aviation, the air traffic management (ATM) system includes a large number of heterogeneous functional subsystems, which constitutes a typical complex system [1]. In order to deal with and solve the security risks in the ATM system, experts and scholars in academic and aviation circles began to introduce mature and widely applied new technologies, such as microservice, cloud computing, edge computing, big data, Internet of things, artificial intelligence, and blockchain, into ATM field, providing reference and ideas for the further development of civil aviation informatization [6, 7]. It will promote the construction and development of the ATM system. As for the special research background of the ATM system, it points out the feasibility of using blockchain technology from the perspective of CPS in ATM
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