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Cognitive radio is a prominent technology for improving radio spectrum efficiency. In this paper, we study an underlay cognitive radio network (CRN), consisting of a cognitive base station (CBS) and multiple multicast group of secondary users (SUs). A common primary user (PU) channel is used to support multicast services to a group of SUs. Our objective is to minimize the outage probability of the...
In this paper, we consider an underlay cognitive radio (CR) multicast network where secondary users (SUs) coexist with primary users (PUs). The cognitive radio network (CRN) consists of a cognitive base station (CBS) and multiple multicast groups. Each multicast group comprises of a number of SUs and is served by the CBS using a common PU channel. Our objective is to minimize the aggregate group outage...
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