10 citations · 38 across the 12 of their papers we have counts for
12 papers
Fundamentals of NOMA in Low-Earth Orbit Coordinated Multi-Satellite Networks
Xiangyu Li, Bodong Shang, Junchao Ma +3
Coordinated multi-satellite (CoMS) transmission and non-orthogonal multiple access (NOMA) are envisioned to jointly enhance coverage, capacity, and spectrum efficiency for satellit…
Satellite NOMA for Direct-to-Cell Communications: Fundamentals, Protocols, and Opportunities
Xiangyu Li, Bodong Shang, Junchao Ma +3
Direct-to-cell (DTC) satellite communication is regarded as one of the most recent technologies that provides global connectivity. However, with the growing number of wireless user…
Toward Agile and Cooperative LEO Satellite Beam-Hopping Networks: Paradigms, Challenges, and Opportunities
Xinyi Huang, Bodong Shang, Meixia Tao
Low-Earth orbit (LEO) satellite beam-hopping (BH) technology is emerging as a promising approach to meet the ever-increasing global connectivity demands, enabling agile, on-demand…
Reconfigurable Intelligent Surface-Enhanced Satellite Networks: Deployment Strategies, Key Capabilities, Practical Solutions, and Future Directions
Ziyuan Zheng, Xiangyu Li, Shirui Zuo +4
Satellite networks promise wide-area 6G coverage but face two persistent barriers: blockage-induced service discontinuities and increasingly stringent spectrum coexistence across s…
Enriched K-Tier Heterogeneous Satellite Networks Model with User Association Policies
Zhuhang Li, Bodong Shang
In the rapid evolution of the non-terrestrial networks (NTNs), satellite communication has emerged as a focal area of research due to its critical role in enabling seamless global…
Spectrum Sharing in 6G Space-Ground Integrated Networks: A Ground Protection Zone-Based Design
Bodong Shang, Xiangyu Li, Zheng Wang +1
Space-ground integrated network (SGIN) has been envisioned as a competitive solution for large scale and wide coverage of future wireless networks. By integrating both the non-terr…
Coverage and Spectral Efficiency of NOMA-Enabled LEO Satellite Networks with Ordering Schemes
Xiangyu Li, Bodong Shang, Qingqing Wu +1
This paper investigates an analytical model for low-earth orbit (LEO) multi-satellite downlink non-orthogonal multiple access (NOMA) networks. The satellites transmit data to multi…
Downlink Performance of Cell-Free Massive MIMO for LEO Satellite Mega-Constellation
Xiangyu Li, Bodong Shang
Low-earth orbit (LEO) satellite communication (SatCom) has emerged as a promising technology to improve wireless connectivity in global areas. Cell-free massive multiple-input mult…
Spectrum Sharing in Satellite-Terrestrial Integrated Networks: Frameworks, Approaches, and Opportunities
Bodong Shang, Zheng Wang, Xiangyu Li +3
With the construction of low-earth orbit (LEO) satellite constellations, ubiquitous connectivity has been achieved. Terrestrial networks (TNs), such as cellular networks, are mainl…
A Bistatic Sensing System in Space-Air-Ground Integrated Networks
Xiangyu Li, Bodong Shang, Qingqing Wu
Sensing is anticipated to have wider extensions in communication systems with the boom of non-terrestrial networks (NTNs) during the past years. In this paper, we study a bistatic…
An Analytical Model for Coordinated Multi-Satellite Joint Transmission System
Xiangyu Li, Bodong Shang
Satellite communication is one of the key technologies that is enabling next-generation networks. However, nearest-satellite-supported downlink transmission may not meet a user's r…
Analysis of Reinforcement Learning Schemes for Trajectory Optimization of an Aerial Radio Unit
Hossein Mohammadi, Vuk Marojevic, Bodong Shang
This paper introduces the deployment of unmanned aerial vehicles (UAVs) as lightweight wireless access points that leverage the fixed infrastructure in the context of the emerging…