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Rapid development in wireless communication systems and an increase in the number of users of wireless devices is bound to result in spectrum shortage in the near future. The concept of Cognitive radio is envisaged to be a paradigm of new methodologies for achieving performance enhanced radio communication system through an efficient utilization of available spectrum. Research on antenna design is...
To meet the growing demand and scarcity of wireless spectrum, Dynamic Spectrum Access is being looked at as the technology of the future. One of the challenges of this approach is that the unoccupied bandwidth is fragmented and non-contiguous. As a result the secondary transceivers need a degree of spectral agility to operate in such conditions. In this work, we review spectral agility and feasibility...
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