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 …

Recently, multimedia transmission over cognitive radio networks (CRNs) becomes an
important topic due to the CR's capability of using unoccupied spectrum for data …

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

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

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 technology has been used to efficiently utilize the spectrum in wireless
networks. Although many research studies have been done recently in the area of cognitive …

Cognitive radio (CR) has been proposed as a promising solution to improve connectivity,
self-adaptability, and efficiency of spectrum usage. When used in video applications, user …

With the fast growing of multimedia communication applications, cognitive radio networks
have gained the popularity as they can provide high wireless bandwidth and support quality …

Cognitive radio (CR) capitalizes advances in signal processing and radio technology and is
capable of reconfiguring RF and switching to desired frequency bands. It is a frequency …

Presently, we rely on the wireless devices and systems to not only enable on-demand,
pervasive communications for a large proportion of the population, but also other critical …