With its opportunistic nature to exploit the unused licensed bands, cognitive radio (CR)
presents itself as an advancing technology that senses for spectrum holes and distributes …

Spectrum sharing is a key functionality of cognitive radio network (CRN) that features a fair
distribution of vacant licensed channels among secondary users. This paper proposes a …

Cognitive Radio (CR) is an advanced technology, which intends to boost the radio spectrum
utilization. On perceiving the spectrum holes, next there is a need to provide a fair …

Cognitive radio (CR) has emerged as a promising technology to exploit the unused portions
of spectrum in an opportunistic manner. The fixed spectrum allocation of governmental …

Cognitive radio is a recent technology that enhances the usage of spectrum resources.
Efficient assignment of unused spectrum to unlicensed users is an important problem …

Nowadays,'Cognitive Radio'(CR) is one of the most promising concepts which facilitate the
flexible usage of radio spectrum and enhance the spectrum utilization by enabling …

Cognitive radio is a relatively new technology that improves spectrum utilization. The
efficient assignment of unlicensed users to unused spectrum is a major issue. Spectrum …

The cognitive radio is an emerging technology that enables dynamic spectrum access in
wireless networks. The cognitive radio is capable of opportunistically using the available …

Cognitive radio (CR) is a promising technology that allows devices to effectively utilize the
underutilized or unutilized portions of the licensed spectrum. In literature, several channel …

In modern day wireless networks, spectrum utilization and allocation are static. Generally,
static spectrum allocation is not a feasible solution considering the distributed and dynamic …