With an exaggerating upsurge in mobile data traffic, the wireless networks are confronted
with a subtle task of enhancing their network capacity. The shortage of spectrum resources …

Unlicensed cognitive-radio (CR)-assisted Internet of Vehicles (IoV) users can access
licensed providers' radio spectrum and concurrently utilize the dedicated channel for data …

With the limitation and low utilization rate of spectrum resources, how to maintain the best
continuous network connection for user while reducing the total number of handoff has …

Cognitive Radio (CR) networks are envisioned as a key empowering technology of the fifth-
generation (5G) wireless communication networks, which solves the major issues of 5G, like …

This paper investigates the opportunistic sharing of relay for the proposed Non-Orthogonal
Multiple Access (NOMA) assisted Cognitive Radio Networks (CRNs). The proposed scheme …

In this work, we propose a distributed cooperative spectrum sensing (CSS) scheme for
cognitive radio networks applying a greedy-based coalitional game. We formulate the …

With the widespread application of computer vision in many fields, quickly and accurately
obtaining the three-dimensional information covered by the target object has become a …

Abstract The Internet of Vehicles (IoV) provides an important platform for various
applications in diverse vehicular sectors such as the safety, energy-saving, decision-making …

Cognitive radio network (CRNs) with energy harvesting approach to identify unused
spectrum bands and utilize them opportunistically is observed as an evolving technology to …

Cognitive radio (CR) technology has emerged as a viable solution to solve the dilemma of
spectrum scarcity and underutilization. It allows secondary users (SUs) to opportunistically …