Volume 31 Issue 3
May  2022
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LI Zuguang, WANG Wei, GUO Jia, et al., “Blockchain-Empowered Dynamic Spectrum Management for Space-Air-Ground Integrated Network,” Chinese Journal of Electronics, vol. 31, no. 3, pp. 456-466, 2022, doi: 10.1049/cje.2021.00.275
Citation: LI Zuguang, WANG Wei, GUO Jia, et al., “Blockchain-Empowered Dynamic Spectrum Management for Space-Air-Ground Integrated Network,” Chinese Journal of Electronics, vol. 31, no. 3, pp. 456-466, 2022, doi: 10.1049/cje.2021.00.275

Blockchain-Empowered Dynamic Spectrum Management for Space-Air-Ground Integrated Network

doi: 10.1049/cje.2021.00.275
Funds:  This work was supported by the National Key R&D Program of China (2020YFB1005900), the National Natural Science Foundation of China (62001220), the Natural Science Foundation of Jiangsu Province (BK20200440), and the Fundamental Research Funds for the Central Universities (YAH20016, NT2020009)
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  • Author Bio:

    received the B.S. degree in electronic information science and technology from Nanjing University of Aeronautics and Astronautics, Nanjing, China, in 2020, where he is currently pursuing the M.S. degree in communication and information system. His research interests mainly focus on blockchain technologies and dynamic spectrum sharing. (Email: zuguang_li@nuaa.edu.cn)

    (corresponding author) received the B.E. degree in information countermeasure technology and the M.E. degree in signal and information processing from Xidian University, Xi’an, China, in 2011 and 2014, respectively, and the Ph.D. degree in electrical and electronic engineering from Nanyang Technological University, Singapore, in 2018. From Sept. 2018 to Aug. 2019, he was a Postdoctoral Fellow with the Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON, Canada. He is currently a Professor with the Nanjing University of Aeronautics and Astronautics, Nanjing, China. His research interests include wireless communications, space-air-ground integrated networks, wireless security, and electromagnetic spectrum security. Dr. Wang was awarded the IEEE Student Travel Grants for the IEEE International Conference on Communications 2017 and the Chinese Government Award for outstanding self-financed students abroad. (Email: wei_wang@nuaa.edu.cn)

    received the B.S. degree in communication engineering from Army Engineering University of PLA, Nanjing, China, in 2019. He is currently pursuing the M.S. degree at College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China. His research interests include blockchain, data sharing, and edge caching. (Email: guojia@nuaa.edu.cn)

    received the B.E. and Ph.D. degrees in computer science from the University of Science and Technology of China, Hefei, China, in 2007 and 2012, respectively. From 2012 to 2014, he was a JSPS Postdoctoral with the Kyushu University, Fukuoka, Japan. He is currently a Professor with the College of Computer Science and Technology, Nan-jing University of Aeronautics and Astronautics. He has authored or coauthored more than 40 papers in refereed international conferences and journals, and has served as Program Committee Member in several international conferences. His current research interests include identity authentication, information security, and data privacy. (Email: zhuyw@nuaa.edu.cn)

    received the M.S. degree in computer science and technology. He is currently an Engineer with the College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics. His research interests include wireless communications, cognitive radio, and spectrum visualization. (Email: hanlu@nuaa.edu.cn)

    received the B.S. degree in communications engineering and the M.S. and Ph.D. degrees in communications and information systems from the PLA University of Science and Technology, Nanjing, China, in 1994, 1997, and 2000, respectively. He is currently a Professor with the College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics. His current research interests include algorithms and optimization for cognitive wireless networks, softdefined radio, and wireless communication systems. (Email: wuqihui2014@sina.com)

  • Received Date: 2021-09-24
  • Accepted Date: 2021-10-28
  • Available Online: 2022-03-03
  • Publish Date: 2022-05-05
  • Space-air-ground integrated network is capable of providing seamless and ubiquitous services to cater for the increasing wireless communication demands of emerging applications. However, how to efficiently manage the heterogeneous resources and protect the privacy of connected devices is a very challenging issue, especially under the highly dynamic network topology and multiple trustless network operators. In this paper, we investigate blockchain-empowered dynamic spectrum management by reaping the advantages of blockchain and software defined network (SDN), where operators are incentive to share their resources in a common resourced pool. We first propose a blockchain enabled spectrum management framework for space-air-ground integrated network, with inter-slice spectrum sharing and intra-slice spectrum allocation. Specifically, the inter-slice spectrum sharing is realized through a consortium blockchain formed by the upper-tier SDN controllers, and then a graph coloring based channel assignment algorithm is proposed to manage the intra-slice spectrum assignment. A bilateral confirmation protocol and a consensus mechanism are also proposed for the consortium blockchain. The simulation results prove that our proposed consensus algorithm takes less time than practical Byzantine fault tolerance algorithm to reach a consensus, and the proposed channel assignment algorithm significantly improves the spectrum utilization and outperforms the baseline algorithm in both simulation and real-world scenarios.
  • We have uploaded all the simulation codes and data to GitHub available at: https://github.com/lizuguang/CJE
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