In conventional cognitive radio (CR), the users in secondary network (SN) can only access
the idle spectrum when users in primary network (PN) are absent. This novel strategy …

Device-to-Device (D2D) communications underlaying Unmanned aerial vehicle (UAV) with
its mobility extend the coverage and improve the data rate of the cell-edge user equipments …

This work investigates the performance of a laser-powered unmanned aerial vehicle (UAV)
based hybrid wireless network consisting of a UAV-mounted base station (UAV-BS), cellular …

Cognitive radio and backscatter communication (BackCom) have been viewed as two
promising technologies for the future green Internet of Things (IoT). The combination of …

In this paper, we investigate a relay-assisted cooperative spectrum sharing for the
considered non-orthogonal multiple access (NOMA) scheme in cognitive radio networks …

In this paper, a downlink security-aware resource allocation problem with delay constraint
via spectrum sensing is modeled as a mixed integer non-linear problem for non-orthogonal …

In this paper, an unmanned aerial vehicle (UAV)-enabledspace-air-ground integrated relay
system, in which UAV is equipped with phased-array antennas to receive satellite's signal …

This paper considers the application of non-orthogonal multiple access (NOMA) into
cooperative cognitive radio (CR) networks with simultaneous wireless information and …

This paper investigates a novel joint content caching and energy harvesting scheme to
enhance unmanned aerial vehicle (UAV) communications in Internet of Things non …

In this paper, we study a cognitive radio wireless-powered communication network with an
integrated intelligent reconfigurable surfaces system. Actually, massive connectivity and …