The majority of work in cognitive radio networks have focused on single-hop networks with
mainly challenges at the physical and MAC layers. Recently, multi-hop secondary networks …

The widespread deployment of various networking technologies, coupled with the
exponential increase in end-user data demand, have led to the proliferation of multi-homed …

Provides an in-depth coverage of TV White Space Technology (TVWS) and the various
challenges of its new innovations This book covers the full spectrum of TVWS technology …

Secondary user (SU) mobility, primary user activity, and spectrum sensing inaccuracy are
the main challenges to the stability of a quality of service (QoS) route in cognitive radio ad …

In the scope of cognitive radio networks, typical routing protocols avoid areas that are highly
congested with primary users, leaving only a small fragment of available links for secondary …

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 …

Abstract In recent times, Cognitive Radio Networks (CRNS) have been broadly investigated
in light of the unceasingly growing demands of the Internet of Things (IoT) applications …

Cognitive Radio is devised as a wireless communication technology that enables user to
communicate without having a fixed pre assigned radio spectrum. The technology facilitates …

In cognitive radio network, the activities of primary users will cause great influence on the
stability of multiple hops routes between cognitive users. In this regard, a joint channel …

Cognitive radio (CR) technology is introduced to solve the problem of spectrum under-
utilization in wireless networks by opportunistically exploiting portions of the spectrum …