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In macro and Closed Subscriber Group (CSG) femtocells co-channel deployment, femtocells and Macrocell User Equipments (MUEs) suffer strong interference from neighboring femtocells. The interference seriously degrades MUEs' throughput performance or even causes outage. To solve this issue, we provide a centralized component carrier selection scheme. By globally optimizing femtocells' and MUEs' component...
Bluetooth Low Energy (BLE) is a recently developed energy-efficient short-range radio communication technology, which is currently vastly gaining popularity and which might become an enabler for implementing in practice the Internet of Things (IoT) concept. However, the complexity of the protocol and the lack of the simulation tools impedes the studies of BLE network performance. For this reason,...
Cognitive radio networks (CRNs) are expected to improve spectrum utilization significantly by allowing secondary users (SUs) to opportunistically access licensed spectrum without affecting the normal communications of primary users (PUs). In a CRN scenario consisting of multiple heterogeneously integrated CRNs, the SUs with multiple interfaces may have to conduct network and spectrum selection for...
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