Time-critical and delay-sensitive multimedia applications require more spectrum and
transmission resources. With the provision of cognitive radios (CRs), the underutilized …

The stringent requirements of wireless multimedia transmission lead to very high radio
spectrum solicitation. Although the radio spectrum is considered as a scarce resource, the …

Cognitive radio has been widely considered as one of the prominent solutions to tackle the
spectrum scarcity. While the majority of existing research has focused on single-band …

Cognitive radio networks hold the key to achieving better radio bandwidth utilization and
improving the quality of wireless applications. The next step in this fast emerging paradigm …

Cognitive radio networks will provide high bandwidth to mobile users via heterogeneous
wireless architectures and dynamic spectrum access techniques. However, CR networks …

Cognitive radio (CR) is the enabling technology for supporting dynamic spectrum access:
the policy that addresses the spectrum scarcity problem that is encountered in many …

Due to the under-utilization problem of the allocated radio spectrum, cognitive radio (CR)
communications have recently emerged as a reliable and effective solution. Among various …

With the rapid deployment of new wireless devices and applications, the last decade has
witnessed a growing demand for wireless radio spectrum. However, the fixed spectrum …

A Brief Journey through “Cognitive Wireless Communication Networks” Ekram Hossain,
University of Manitoba, Winnipeg, Canada Vijay Bhargava, University of British Columbia …

Traditional power grids are currently being transformed into smart grids (SGs). SGs feature
multi-way communication among energy generation, transmission, distribution, and usage …