… of the proposed spectrum sharing cognitive radio system under … conventional spectrum
sharing cognitive radio systems [11]. … the proposed spectrum sharing cognitive radio system. In …

… , especially to enhance the spectral efficiency. The potential advantages, … cognitive radio
spectrum sharing domains are thoroughly discussed and an overview of the spectrum sharing is …

… spectrum-sharing model called sensing- based spectrum sharing is proposed for cognitive
radio … , the secondary user (SU) listens to the spectrum allocated to the primary user (PU) to …

… prove the utilization of radio frequency spectrum in wireless networks. In this paper, we
consider the problem of spectrum sharing among a primary user and multiple secondary users. …

… spectrum sharing mechanism for the next generation cellular networks to overcome the energy
crisis, and the spectrum sharing … the feasibility of spectrum sharing between geostationary …

… This work aims to conduct an in-depth survey on recent spectrum sharing (… , spectrum
allocation behaviour and spectrum access method. Moreover, a detailed survey on cognitive radio (…

… to improve the utilization of the radio frequency spectrum. In this paper, we consider the
problem of spectrum sharing among primary (or “licensed”) users (PUs) and secondary (or “…

… bands for optimal spectrum sharing. We characterize the behavior and constraints for such
a multi-hop CR network from multiple layers, including modeling of spectrum sharing and sub-…

… various spectrum sharing techniques and the fundamental issues related to cognitive radio
… features of the existing cognitive radio spectrum sharing domains are thoroughly discussed. …

… We then name this employment as fullspace spectrum sharing. Moreover, the dual CBS …
For brevity, we here mainly present the downlink spectrum sharing strategy, while the uplink …