In cognitive radio networks (CRNs), multiple secondary users may send out requests
simultaneously and one secondary user may send out multiple requests at one time, ie …

The ever-growing demand for higher network data rates, lower delay, and conservative
energy consumption at reduced costs, to support Internet-of-things (IoT) communications …

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 …

This paper presents properties of a mobile ad hoc network (MANET) with dynamic spectrum
management (DSM) and is devoted to the concept and implementation of the new traffic …

With the diversification of Internet services and the increase in mobile users, efficient
management of network resources has become an extremely important issue in the field of …

A cognitive radio network with classified Secondary Users (SUs) is considered. There are
two types of SU packets, namely, SU1 packets and SU2 packets, in the system. The SU1 …

Rapid development in wireless networks has largely raised the demand for spectrum
bandwidth. However, current static spectrum allocation policy is unable to meet this ever …

Spectrum sensing is the most important step in the cognitive radio. It involves spectral
detection, channel estimation, and channel state prediction. Most of the traditional spectrum …

Ultra high definition radio, low latency, high bandwidth, machine to machine communication
and several emergence application like e-health, IOT etc. will be dominated by 5G in future …

Cognitive Radio (CR) network is established for spectrum utilization. This technology allows
unlicensed users to share the spectrum with licensed users. In order to perform such a …