Due to the huge number of diverse wireless devices and technologies, spectacular
increases in the number of wireless subscribers, advent of new applications and continuous …

Spectrum sensing feature of cognitive radio devices represents a cornerstone characteristic
facilitating real-time and accurate spectrum occupancy measurements in cognitive radio …

The rising number and capacity requirements of wireless systems bring increasing demand
for RF spectrum. Cognitive radio (CR) system is an emerging concept to increase the …

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 …

Rapidly advancing technological advancements in the recent past has made the life of
consumers at ease through innovation of sophisticated and state of the art gadgets. The …

Dynamic spectrum access and cognitive radio (CR) are emerging technologies to utilize the
scarce frequency spectrum in an efficient and opportunistic manner. They have been …

It is widely believed that the advances of networking technologies will reshape the future of
telecommunication system. The continuous growth in data traffic originated by mobile users …

Cognitive Radio is an emerging and fascinating technology, which promises solution to the
spectrum scarcity problem. This influential technology has the power to change the future …

The growing demand of wireless applications has put a lot of constraints on the usage of
available radio spectrum which is limited and precious resource. However, a fixed spectrum …

Radio spectrum is not efficiently used, mainly due to the prevailing rigid frequency allocation
policy. Only some bands of the spectrum-such as those bands used by cellular base stations …