Abstract
In this paper, we consider the cooperative spectrum sensing (CSS) in the non-time-slotted full duplex cognitive radio (FDCR) networks. In the non-time-slotted cognitive radio (CR) networks, the primary user can change its activity during the transmission duration in contrast with the time-slotted CR networks. We analytically derive the collision probability and the outage probability for the two operation modes of the secondary user under the CSS in non-time-slotted FDCR networks. We then turn to determine the optimum decision threshold for the energy detector at each secondary user to maximize the average throughput subject to a constraint on the outage probability of primary user. In numerical results, we demonstrate and analyze the impact of CSS in the non-time-slotted FDCR networks.
Published Version
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