The satellite communications (SatCom) system is a representative technology for global
coverage and seamless communications in next-generation communication systems. This …

This paper investigates and analyzes the number of reflecting elements for guaranteed
energy-and spectral-efficient intelligent reflecting surface (IRS)-assisted communication …

This paper investigates the joint beamforming design problem to achieve max-min rate
fairness in a satellite-terrestrial integrated network (STIN) where the satellite provides wide …

Reflecting intelligent surfaces (RIS) is a low-cost and energy-efficient solution to achieve
high spectral efficiency in sixth-generation (6G) networks. The basic idea of RIS is to smartly …

The massive multiple-input multiple-output (MIMO) transmission technology has recently
attracted much attention in the non-geostationary, eg, low earth orbit (LEO) satellite …

In low earth orbit (LEO) satellite communication systems, the limited energy supply capacity
and the difficulty in obtaining channel state information (CSI) are the practical challenges …

In recent years, satellite communications have become the focus of research on space–air–
ground–sea integrated wireless communication networks because of their wide coverage …

This article addresses two key challenges in the multibeam multicast nonorthogonal multiple
access (MB-MC-NOMA) scheme and respective beamforming design problems in satellite …

In this article, a multiuser (MU) satellite multiple-input–multiple-output (MIMO) downlink
including a multibeam GEO satellite and multiple terrestrial users is considered. In order to …

The uplink from a very small aperture terminal (VSAT) towards multiple satellites is
considered, in this paper. VSATs can be equipped with multiple antennas, allowing parallel …