With the rise of the Internet-of-Things (IoT), new requirements have been brought into
communication networks to make them more efficient, sustainable, and self-sufficient …

The advent of the Internet-of-Things (IoT) and proliferation of wireless devices and systems
have put stringent requirements on reliability and latency, in addition to the scarcity of …

Due to the ever-expanding applications of the Internet-of-Things (IoT), designing energy-and
spectrally-efficient transmission schemes to support massive connections and devices is …

Cognitive radio networks (CRNs) can facilitate ultra-reliable communication among IoT
devices in the 6G environment by enhancing channel availability (CA) for primary and …

The dramatic development of Internet of Things (IoT) is not only leading to the spectrum
crunch, but is also resulting in exorbitant energy consumption. It is thus desirable to liberate …

We study the physical-layer security of a cognitive radio system in the face of multiple
eavesdroppers (EDs), which is composed of a secondary base station (SBS), multiple …

Spectrum sensing in a cognitive radio network involves detecting when a primary user
vacates their licensed spectrum, to enable secondary users to broadcast on the same band …

Integrating simultaneous wireless information and power transfer (SWIPT) and cognitive
radio (CR) technologies into Internet-of-Things (IoT) networks, named SWIPT-enabled …

A green-energy-powered cognitive radio (CR) network is capable of liberating the wireless
access networks from spectral and energy constraints. The limitation of the spectrum is …

The incorporation of cognitive radio (CR) capability in wireless sensor networks yields a
promising network paradigm known as CR sensor networks (CRSNs), which is able to …