Symmetric Nash equilibrium in a secondary spectrum market

The scarcity of spectrum resources and the desire to improve spectrum efficiency have led to extensive research and development in recent years in such concepts as dynamic spectrum access/sharing, open access, and secondary (spot or short-term) spectrum market. The secondary spectrum market allows the primary (spectrum owner) to sell/share underutilized spectrum to potential buyers so as to maximize usage of spectrum, e.g., using the auction mechanism [1], [2], [3]. In this paper, we propose a framework similar to [4] where the sellers propose contracts to the secondary spectrum buyers.