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The rapid growth of wireless communication systems around the world has led to a significant demand for more radio spectrum resources. Radio spectrum regulators are facing several challenges due to spectrum scarcity caused not only by increased demand but also by inefficient management of this resource. Currently, the spectrum is statically allocated to licensed users even though some of them use...
Cognitive radio is a new technology that aims to solve the scarcity and underutilization of the radio spectrum. It also aims to achieve its goals with a high quality of service. Hence, channel quality estimation metrics are used to help the cognitive radio to readjust its parameters and enhance its quality of service. One of these metrics is the probability of outage. This metric depends on either...
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