Imitation-Based Social Spectrum Sharing


Dynamic spectrum sharing is a promising technology for improving the spectrum utilization. In this paper, we have a tendency to study how secondary users will share the spectrum in an exceedingly distributed fashion based mostly on social imitations. The imitation-based mostly mechanism leverages the social intelligence of the secondary user crowd and solely requires a coffee computational power for every individual user. We tend to introduce the information sharing graph to model the social information sharing relationship among the secondary users. We tend to propose an imitative spectrum access mechanism on a general information sharing graph such that each secondary user initial estimates its expected throughput based mostly on native observations, and then imitates the channel choice of another neighboring user who achieves a higher throughput. We have a tendency to show that the imitative spectrum access mechanism converges to an imitation equilibrium, where no useful imitation can be further administrated on the time average. Numerical results show that the imitative spectrum access mechanism will achieve efficient spectrum utilization and meanwhile offer good fairness across secondary users.

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