Dynamic spectrum policies combined with software defined radio are powerful means to
improve the overall spectral efficiency allowing the development of new wireless services …

Cognitive radio networks (CRNs) have emerged as an essential technology to enable
dynamic and opportunistic spectrum access which aims to exploit underutilized licensed …

Recently, 5G installation has been started globally. Different capabilities are in the
consistent procedure, like ultrareliability, mass connectivity, and specific low latency …

LTE-A and Next Generation Wireless Networks: Channel Modeling and Performance
describes recent advances in propagation and channel modeling necessary for simulating …

Recently, cognitive radio (CR) has become a key technology for addressing spectrum
scarcity. In CR networks, spectrum access should not interfere the colocate incumbent …

Designing an efficient spectrum assignment (SA) mechanism is a key issue for realizing
dynamic spectrum access in cognitive radio network. In multi-channel selection based SA …

Cognitive radio networks (CRNs) involve extensive exchange of control messages, which
are used to coordinate critical network functions such as distributed spectrum sensing …

With the rapid development of wireless communications technologies, radio spectrum has
become a type of extremely scarce resources in meeting the increasing demands for …

In cognitive Ad Hoc networks (CAHN), because the contentions and mutual interferences
among secondary nodes are inevitable as well as secondary nodes usually have limited …

The cognitive radio (CR) paradigm calls for open spectrum access according to a
predetermined etiquette. Under this paradigm, CR nodes access the spectrum …