It is well-known that clustering partitions network into logical groups of nodes in order to
achieve energy efficiency and to enhance dynamic channel access in cognitive radio …

Cognitive radio network (CRN) supports dynamic spectrum access addressing spectrum
scarcity issue experienced by today's wireless communication network. Sensing is an …

Compromising the performance and overhead is a crucial factor in designing cognitive radio
networks (CRNs). One way to achieve this goal is to combine different fusion rules for a CRN …

The lack of spectrum resources restricts the development of wireless communication
applications. In order to solve the problems of low spectrum utilization and channel …

This paper presents a performance analysis of centralized spectrum sensing based on
compressed measurements. We assume cooperative sensing, where unlicensed users …

In this paper, a cooperative spectrum sensing scheme based on compressive sensing is
proposed. In this scheme, secondary users (SUs) are organized in clusters. In each cluster …

The spectrum detection (SD) is a critical step in cognitive radio (CR) to identify the available
spectrum and avoid interference and harm to primary users (PUs). Nonetheless, the …

In a cognitive radio (CR), opportunistic secondary users (SUs) periodically sense the
primary user's (PU's) existence in the network. Spectrum sensing of a single SU is not …

In recent development and improvement of wireless communication system, the cognitive
radio (CR) is a potential approach to utilize spectrum efficiently. Spectrum sensing technique …

To detect the presence of primary users, spectrum sensing is considered as one of the most
important and basic functions of cognitive radio. To improve the detection probability in …