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IEEE Advanced Information Technology, Electronic and Automation Control Conference (IAEAC)

Quantum Secure Communication Scheme for Power Dispatching Data

Liandong Chen, Rui Xin, Qianqian Zhang, Xiaopeng Xin, Lifang Gao, Huanwen Xie, Xiangning Wu

Published Mar 15, 2024• 0 citations
Publisher

Abstract

In order to improve the security of power dispatching data transmission over the network, the combined modulation quantum key distribution system which encodes each single-photon signal with both phase modulation and polarization modulation is studied. Based on the abstract unit model of power dispatching data transmission network, the network deployment scheme of using quantum key to realize the encrypted transmission of dispatching data is elaborated. In order to better meet the needs of practical application scenarios, a quantum key allocation scheme that comprehensively considers service importance, service bandwidth, and the amount of remaining keys in the quantum key pool, a quantum key request response scheme that comprehensively considers service delay constraints, the number of service key requests and service importance, and a quantum key pool key resource supplement scheme that comprehensively considers the success rate of service encryption and the freshness of quantum keys in the quantum key pool are further designed. The scheme presented in this paper can provide a reference for the design and practical application of quantum secure communication network for power dispatching data.

DOI
10.1109/iaeac59436.2024.10503834

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In order to improve the security of power dispatching data transmission over the network, the combined modulation quantum key distribution system which encodes each single-photon signal with both phase modulation and polarization modulation is studied. Based on the abstract unit model of power dispatching data transmission network, the network deployment scheme of using quantum key to realize the encrypted transmission of dispatching data is elaborated. In order to better meet the needs of practical application scenarios, a quantum key allocation scheme that comprehensively considers service importance, service bandwidth, and the amount of remaining keys in the quantum key pool, a quantum key request response scheme that comprehensively considers service delay constraints, the number of service key requests and service importance, and a quantum key pool key resource supplement scheme that comprehensively considers the success rate of service encryption and the freshness of quantum keys in the quantum key pool are further designed. The scheme presented in this paper can provide a reference for the design and practical application of quantum secure communication network for power dispatching data.
In order to ensure the transmission security of electric power dispatching service data, a quantum key supply and dynamic adjustment algorithm is provided. Firstly, the key application scheme is determined according to the importance degree of different services, and the calculation method of the key pool capacity is also given. Secondly, the quantum key dynamic adjustment algorithm is designed based on the key update frequency and application schemes. Finally, the service model for the dispatching system is established, and our algorithm’s application performance for different scenarios is simulated under point-to-point/multipoint architectures. The test results show that the algorithm can realize the dynamic key adjustment in the selected adjustment period, and thus guarantee maximally the data transmission security in power dispatching data network.
This paper proposes an information encryption transmission method for power system communication network based on quantum security communication technology, which can effectively encrypt the information in power system and ensure the security of information transmission. Based on quantum secure communication technology, the communication network architecture of power system is constructed. Quantum-layer quantum key distribution Network (QKD) uses BB84 protocol to realize quantum information exchange and optical synchronization, provide quantum key to control layer, and encrypt network information of power system. The control layer is responsible for monitoring QKD status, reasonably managing keys, and issuing communication commands to the communication layer. The communication layer switch encrypts and transmits the power system communication network data generated by the application layer through the minimum attenuation routing algorithm according to the controller instruction. Experiments show that this method can realize the information encryption of power system communication network, and the quantum key encryption function, key source exchange function and the number of encryption services meet the requirements. The application of this method can improve the throughput and communication connectivity of power system communication network.
The power communication system provides powerful technical support for realizing the intelligent operation and information management of the power grid and improving the operation efficiency and power supply quality of the power grid. Quantum key distribution (QKD) is considered one of the most promising technologies for commercialization. QKD uses a single photon to encrypt data to produce a more secure and reliable password. This paper intends to study the hierarchical, centralized control architecture of power dispatching based on quantum essential supply (QKD). The performance indexes of MDI-QKD under symmetric and asymmetric conditions were studied by local optimization. The optimal key formation rate of the algorithm is analyzed. From the perspective of quantum critical utilization, a quantum key utilization scheme for grid backbone dispatching service is proposed. The dynamic adjustment test of multi-node time slot and service key update rate is carried out. Experiments show that the MDI scheme can effectively improve the effectiveness of a multi-node QKD system. Thus, the security of data transmission of the core business of power dispatching data networks can be ensured to the greatest extent. AMDI can effectively reduce the transmission timeout of low-priority data streams because the delay of high-priority data streams reaches the proportion. It can be an excellent solution to the power system and the password requirements.
In order to meet the demand of quantum key generation rate for power business encryption, a quantum security encryption communication framework for power enterprises is proposed. Combining the deployment mode of power distribution terminal and communication network architecture, this paper uses the M/M/1 model with preemptive priority to calculate the queuing delay of each service’s quantum key, and compare it with the delay requirements to determine whether quantum encryption is possible. The simulation results show that the key generation rate is required to reach 205 kbit/s if the quantum encryption requirements of all services need to be met under the service type and traffic volume of this case. Conclusion: Under the limited generation rate, a reasonable and scientific method is given for the selective application of quantum encryption to power information services.
The fifth-generation mobile communication (5G) has the advantages of high bandwidth, low time delay and low power consumption, and it can play an important role in all aspects of power transmission, substation, power distribution and electricity consumption, effectively making up for the disadvantages of traditional optical fiber communication and profoundly transforming the power communication network. However, the information security problems brought by the application of 5G technology are gradually becoming prominent. Based on this, a quantum key distribution strategy based on the quality of service (QoS) is proposed to improve the confidentiality of 5G electric power private network application scheme. Finally, the feasibility of quantum communication application in power dispatching system is verified. The test results show that the service quality of 5G private network meets the communication requirements of power grid services, the actual transmission delay of the power grid simulation dispatching data is about 1s, and there is no packet loss.
With the continuous development of power communication network and the improvement of intelligent degree, network security and operation and maintenance become more and more important. Therefore, this paper proposes a solution for intelligent security operation and maintenance of power communication network based on Quantum key distribution (QKD). QKD is an encryption technology based on the principle of quantum mechanics, which can realize secure Key exchange and resist attacks of traditional encryption algorithms. We use QKD technology to generate and distribute security keys for protecting communication and data transmission in power communication networks. The results show that the efficiency and accuracy of communication data acquisition, transmission, analysis and processing of the Artificial Intelligence for IT Operations system of the power communication network using the power Internet of Things technology are far higher than that of the traditional operation and maintenance technology, which improves the operation and maintenance accuracy of the power communication network by about 25%. The intelligent operation and maintenance system of the power communication network designed by the author, it effectively improves the communication data processing capability and the reliability of operation and maintenance results, and can meet the current practical engineering application requirements. This study provides an innovative solution for the secure operation and maintenance of power communication networks, which is of great significance for protecting the security and stable operation of power communication networks.