Increasing number of wireless applications and users has led to dearth of bandwidth for
such applications. Static frequency allocation utilizes the spectrum inefficiently, fostering the …

The explosion of wireless applications has created an ever increasing demand for radio
spectrum and this has put a lot of pressure on service providers to meet the end user's …

The rapid growth of wireless systems have led to increased demand of the spectrum in the
wireless services. The dynamic allocation of the wireless channel is one of the viable …

Spectrum scarcity is increasingly becoming an obstacle for the implementation of new
wireless technologies. On the contrary, recent studies have discovered considerable under …

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 wireless traffic is increasing in an unparalleled way, which causes radio spectrum
shortage. The fixed spectrum assignment policy makes this problem more critical. Cognitive …

For the purpose of enhancing the spectrum efficiency, cognitive radio (CR) technology has
been recently proposed as a promising dynamic spectrum allocation paradigm. In CR …

The scarcity of electromagnetic radio spectrum is due to its increasing usage day by day.
However, the allocated spectrum is underutilized due to the conventional approach of …

Under the contemporary spectrum usage regulations, radio frequency bands are allocated
statically to licensed users in a large geographical area and over a long period of time …

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 …