4 papers · 1 filter
Space-Time Rate-Splitting Multiple Access for Multibeam LEO Satellite Networks
Jaehyup Seong, Byungju Lee, Aryan Kaushik +1
This paper proposes a novel space-time rate-splitting multiple access (ST-RSMA) framework for multibeam low Earth orbit (LEO) satellite communications (SATCOM) systems, where space…
Towards 6G Evolution: Three Enhancements, Three Innovations, and Three Major Challenges
Rohit Singh, Aryan Kaushik, Wonjae Shin +6
Over the past few decades, wireless communication has witnessed remarkable growth, experiencing several transformative changes. This article aims to provide a comprehensive overvie…
Rate-Splitting Multiple Access for GEO-LEO Coexisting Satellite Systems: A Traffic-Aware Throughput Maximization Precoder Design
Jaehak Ryu, Aryan Kaushik, Byungju Lee +1
The frequency coexistence between geostationary orbit (GEO) and low earth orbit (LEO) satellite systems is expected to be a promising approach for relieving spectrum scarcity. Howe…
RIS-Empowered LEO Satellite Networks for 6G: Promising Usage Scenarios and Future Directions
Mesut Toka, Byungju Lee, Jaehyup Seong +6
Low-Earth orbit (LEO) satellite systems have been deemed a promising key enabler for current 5G and the forthcoming 6G wireless networks. Such LEO satellite constellations can prov…