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Zeno runs, where infinitely many actions occur within finite time, may arise in Timed Automata models. Zeno runs are not feasible in reality and must be pruned during system verification. Thus it is necessary to check whether a run is Zeno or not so as to avoid presenting Zeno runs as counterexamples during model checking. Existing approaches on non-Zenoness checking include either introducing an...
Cognitive radio has outstanding advantages in solving scarcity of spectrum resource and low utilization rate of spectrum in current wireless communication. Spectrum sensing method in multi-bit decision model can effectively improve the detection performance when comparing with the conventional 1- bit decision model. Aiming at the actual scenarios that there may exist malicious users in the network,...
Cognitive radio is able to effectively solve problems like spectrum resource scarcity and low spectrum utilization rate in wireless communication system. The detection performance of multi-bit decision algorithm is much better than that of conventional 1-bit decision algorithm. Aiming at attacks from malicious users in multi-bit decision model when cognitive users are mobile, this paper proposes a...
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