Abstract

Providing quality of service (QoS) guarantees is an important objective in the design of the cognitive radio (CR) networks. In this paper, we studied the stochastic game in CR networks with multiple classes of secondary users (SUs). Considering the spectrum environment as time-varying and that each group of SUs is able to use an adaptive strategy, the providing QoS guarantees is identified by finding the effective capacity radio channel. The performance of the proposed stochastic game for providing QoS guarantees has been studied through computer simulations and the results are quite satisfactory.

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