Recent development in wireless communications has lead to the problem of growing
spectrum shortage. Cognitive radio, as a novel technology, has been proposed in recent …

Recent developments of wireless communication lead to the problem of growing spectrum
shortage. Cognitive radio, as a novel technology, tends to solve this problem by dynamically …

Cognitive radio technology is the vision of pervasive wireless communications that improves
the spectrum utilization and offers many social and individual benefits. The objective of the …

Recently the huge development of different and heterogeneous wireless communication
systems raises the problem of growing spectrum scarcity. Cognitive radio tends to solve this …

This paper discusses the topic of wireless security in cognitive radio networks, delineating
the key challenges in this area. With the ever-increasing scarcity of spectrum, cognitive …

Cognitive Radio (CR) is a technology that promises to solve the spectrum shortage problem
by allowing secondary users to coexist with primary user without causing any interference to …

Recent advancements in wireless communication are creating a spectrum shortage problem
on a daily basis. Recently, Cognitive Radio (CR), a novel technology, has attempted to …

Cognitive Radio (CR) is a novel technology that promises to solve the lack of spectrum by
allowing secondary users to use licensed band, so that they can coexist with primary users …

Cognitive radio networks are envisioned to drive the next generation wireless networks that
can dynamically optimize spectrum use. However, the deployment of such networks is …

Cognitive radios (CRs) are proposed as a solution to inefficient utilization of the
overcrowding spectrum and opening space for the new wireless communication …