Joint Optimal Sensing and Transmission Time Allocation for Cognitive Radio Networks
首发时间:2014-10-08
Abstract:In cognitive radio networks, spectrum sensing is a key technology that enables cognitive radio (CR) users to opportunistically access the spectrum resources of the primary networks. To reduce the interference and enhance the throughput of the CR networks, a joint optimal sensing and transmission time scheme is proposed and analyzed based on modeling the interference. A more accurate interference model is analyzed through renewal theory. Theoretical and simulation results show that the proposed allocation scheme has higher data throughput with the constraint interference.
keywords: cognitive radio networks interference model spectrum sensing renewal theory
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No.4608710995651141****
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