Non-Fungible Token Enabled Spectrum Sharing for 6G Wireless Networks.

Dynamic spectrum sharing (DSS) has been recognized as a promising solution to meet the spectrum requirement in future wireless networks. To enhance the security and efficiency of DSS, in this paper, we propose a Non-Fungible Token (NFT) enabled spectrum sharing framework, which maps spectrum resource blocks into NFTs. Firstly, we propose a method for confirming the ownership and authenticity of resource blocks, leveraging the uniqueness of NFT. Furthermore, to facilitate spectrum sharing, we propose an NFT enabled combination auctions scheme, which is solved by an improved iterative greedy allocation algorithm. Through simulations, we find that the proposed algorithm can improve the total revenue of spectrum provider and the utilization of spectrum resources.