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Credit Payment for Radio Resources Transactions Based on Consortium Blockchain in SCMA mMTC

SUN Jun;XIONG Guan;Jiangsu Key Laboratory of Wireless Communications,Nanjing University of Posts and Telecommunications;College of Telecommunications & Information Engineering,Nanjing University of Posts and Telecommunications;  
The radio resources trading happened between the MTCGs and the LTE users.The credit degrees are built among the MTCGs according to the free radio resources trading based on the consortium blockchain.A consortium blockchain has been established on the BSs for publicly auditing and sharing of transaction records without depending on the trusted third parties.The resource transaction records are uploaded to the BS after encryption.After the transaction records pass the review and consensus process,the new blocks are stored on the BSs that can be accessed publicly by MTCGs,LTE users and the BSs connected to the consortium blockchain.In order to maximize the benefits of the system and support frequent resource transactions,a credit-based payment scheme and the corresponding optimal pricing strategy are proposed.
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