Satellite communication system is expected to play a vital role for realizing various remote
Internet-of-Things (IoT) applications in sixth-generation vision. Due to unique characteristics …

Abstract The Sixth-Generation (6G) standard for wireless communications is expected to
realize ubiquitous coverage for massive Internet of Things (IoT) networks by 2030. Satellite …

Integrated satellite-terrestrial communications networks aim to exploit both the satellite and
the ground mobile communications, thus providing genuine ubiquitous coverage. For 5G …

Reasonable design and effective detection of the random access preamble has become a
challenging task due to the unique characteristics of mobile satellite communications. To …

Next generation satellite payload technology is expected to provide digital processing
capabilities. This will pave the way to regard satellites as flying base stations. However, the …

Robust time and frequency synchronization is an essential requirement for initial access in
LEO satellite communication systems. However, large doppler frequency shift in LEO …

In view of the distinctive characteristics of satellite communication, the physical random
access signals used in the terrestrial mobile communication system have to be modified or …

The strong multipath and long delay extensions can lead to large errors in the timing offset
estimation and carrier frequency offset estimation of the Orthogonal Frequency Division …

Satellite-based non-terrestrial networks (NTNs) can provide connectivity to geographical
regions with inadequate cellular coverage. The 3rd Generation Partnership Project is …

The integration of non-terrestrial networks into the 5G ecosystem is mainly driven by the
possibility of provisioning service in remote areas. In this context, the advent of flying base …