Security in wireless networks is challenging. Security in cognitive radio networks (CRN) is
even more challenging. This is because a CRN consists of cognitive radios (CR) which have …

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

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

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 …

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 technology that promises to solve the spectrum shortage problem
by allowing secondary users to coexist with primary user without causing any interference to …

Cognitive radio (CR) has been introduced to accommodate the steady increment in the
spectrum demand. In CR networks, unlicensed users, which are referred to as secondary …

Most of the frequency spectrum bands have already been licensed, and the licensed
spectrum is not being utilized efficiently. Cognitive Radio Networks (CRNs) are the kind of …

A Survey of Security Challenges in Cognitive Radio Networks: Solutions and Future Research
Directions Page 1 PROLOG An introduction to the paper by Attar, Tang, Vasilakos, Yu, and …