Chinese Journal on Internet of Things ›› 2020, Vol. 4 ›› Issue (2): 26-34.doi: 10.11959/j.issn.2096-3750.2020.00168

• Topic:Blockchain Empowered IoT • Previous Articles     Next Articles

Dynamic spectrum sharing access technology based on blockchain

Wei WANG1,2,Zuguang LI1,2,Qihui WU1,2()   

  1. 1 College of Electronic and Information Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 211106,China
    2 Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space,Ministry of Industry and Information Technology,Nanjing 211106,China
  • Revised:2020-04-25 Online:2020-06-30 Published:2020-06-12
  • Supported by:
    The National Natural Science Foundation of China(61827801);The National Natural Science Foundation of China(61631020);The National Natural Science Foundation of China(61931011);The Fundamental Research Funds for the Central Universities(1004-YAH20016);The Fundamental Research Funds for the Central Universities(NT2020009)


The blockchain technology written in the smart contract has advantages of the enabling intelligent settlement,value transfer and resource sharing,which provides a new secure and trusted platform for the dynamic spectrum sharing system.Firstly,the application of blockchain technology in dynamic spectrum sharing was summarized,considering the requirements of spectrum sharing.The key problems that need to be solved when applying blockchain to the large-scale spectrum sharing system were discussed.After that,the key challenges were analyzed in depth,and corresponding key technologies and possible solutions were provided to the above problems.

Key words: dynamic spectrum sharing, blockchain, trusted spectrum ledger, smart contract

CLC Number: 

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