The aim of this systematic review was to identify the correlations between spectrum sensing,
clustering algorithms, and energy-harvesting technology for cognitive-radio-based internet …

Future ultrareliable low-latency tasks in the Internet of Things require finite blocklength
transmissions. The spectral efficiency of finite blocklength transmissions, by incorporating …

Nonorthogonal multiple access (NOMA) is classified into grant-based (GB) random access
(RA) and grant-free (GF) RA in 5G systems. GF NOMA RA allows user equipments (UE) to …

As a new energy saving approach for green communications, energy harvesting (EH) could
be suitable technique to facilitate massive connections for large number of devices in such …

Internet-of-Things (IoT) networks have recently emerged to provide massive connectivity for
many application scenarios and services. Additionally, developing spectrum-access …

In this article, we investigate energy efficiency (EE) maximization of short packet
transmission (SPT) in a downlink multiple-input single-output (MISO) multi-carrier non …

The unmanned aerial vehicle (UAV) assisted communication can significantly improve the
coverage and spectrum efficiency of the Internet of Things (IoT). One main feature of IoT is …

Non-orthogonal multiple access (NOMA) is a prominent 5G wireless communication
technique which ensures higher spectral efficiency, low latency and user fairness. As power …

Critical massive Internet of Things networks are emerging technologies that face new
challenges in designing transmission protocols for beyond 5G communication systems …

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 …