The non-terrestrial network (NTN) is a network that uses radio frequency (RF) resources
mounted on satellites and includes satellite-based communications networks, high altitude …

A heterogeneous wireless network consists of various wireless networks [eg, Worldwide
Interoperability for Microwave Access (WiMAX) and Wireless Fidelity (WiFi)] and cellular …

A promising solution to address the spectrum shortage in 5G cellular systems is the
deployment of millimeter wave (mmWave) heterogeneous networks (HetNets). However, a …

In mobile networks, maintaining the on-going call is critical while the user is still moving from
one evolved node B (eNB) to another eNB or one sector to another sector within the same …

The mobility robustness optimization can significantly enhance the quality of service in
scenarios characterized by dense uncoordinated deployment of small cells, as targeted by …

The 5th Generation (5G) New Radio (NR) and beyond technologies will support enhanced
mobile broadband, very low latency communications, and huge numbers of mobile devices …

Handover (HO), as a key aspect of mobility management, plays an important role in
improving network quality and mobility performance in mobile networks. Especially, in 5G …

In the emerging 5G radio networks, beamforming-capable nodes are able to densely cover
narrow areas with a high-quality signal. Such systems require high-level handover …

The satellite-ground integrated network (SGIN), consisting of satellites and ground base
stations, is regarded as the trend to solve the problem of global coverage. However, highly …

Millimeter-wave (mmWave) communication is considered as a key enabler of ultra-high data
rates in the future cellular and wireless networks. The need for directional communication …