Efficient Discovery of Spectrum Opportunities with MAC-Layer Sensing in Cognitive Radio Networks
IEEE Transactions on Mobile Computing
Adaptive channel searching scheme for cooperative spectrum sensing in cognitive radio networks
WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
Cross-layered design of spectrum sensing and MAC for opportunistic spectrum access
WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
How much time is needed for wideband spectrum sensing?
IEEE Transactions on Wireless Communications
Mobile Networks and Applications
Sensing-Throughput Tradeoff for Cognitive Radio Networks
IEEE Transactions on Wireless Communications
Optimal spectrum sensing framework for cognitive radio networks
IEEE Transactions on Wireless Communications
Full length article: Empirical time and frequency domain models of spectrum use
Physical Communication
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We explore the effects of spectrum sensing time parameters on non-cooperative dynamic spectrum access by jointly considering the PHY layer sensing and the MAC layer sensing scheduling. Our work not only incorporates singular sensing performance measures in terms of the probability of missed detection and false alarm, but also takes into account the likeliness of missed detection of busy-idle channel state transitions between consecutive sensing executions. In this paper, we develop two metrics to quantify the spectrum sensing performance of a singular node, namely the spectrum efficiency for detecting available spectrum and the sensing robustness for avoiding interference to primary users, and present a general framework for deriving the desired results, which accommodates various primary channel occupancy patterns.