Joint User Identification, Channel Estimation and Data Detection for Grant-Free NOMA in LEO Satellite Communications

C Zhang, Y Liu, J Hu, K Yang - IEEE Journal on Selected Areas …, 2024 - ieeexplore.ieee.org
Satellite Internet of things (S-IoT) aims to provide globally covered network services. In this
paper, we conceive an uplink grant-free random access scheme for S-IoT network, where …

RIS-assisted energy-efficient LEO satellite communications with NOMA

WU Khan, E Lagunas, A Mahmood… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Low Earth Orbit (LEO) satellite networks are expected to play a crucial role in providing high-
speed Internet access and low-latency communication worldwide. However, some …

Spatial-Temporal Resource Optimization for Uneven-Traffic LEO Satellite Systems: Beam Pattern Selection and User Scheduling

L Lei, A Wang, E Lagunas, X Hu… - IEEE Journal on …, 2024 - ieeexplore.ieee.org
With the commercial deployment of low earth orbit (LEO) satellites, the future integrated 6G-
satellite system represents an excellent solution for ubiquitous connectivity and high …

Integrating Convex Optimization and Deep Learning for Downlink Resource Allocation in LEO Satellites Networks

X Sui, Z Jiang, Y Lyu, R Fan, H Hu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This paper investigates the satellite communication network (SCN) to optimize the channel
allocation of the fixed ground base station and the transmission power allocation of the Low …

QoE-Centric Resource Management for NOMA-Based LEO Satellite-Terrestrial Integrated Networks

X Shen, Z Ji, K Zhao, T de Cola… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In this paper, we investigate the resource management for quality of experience (QoE)-
centric low earth orbit (LEO) satellite-terrestrial integrated network (STIN) based on non …

Joint Beamforming Design and Satellite Selection for Integrated Communication and Navigation in LEO Satellite Networks

J Li, B Liu, M Peng - arXiv preprint arXiv:2410.19358, 2024 - arxiv.org
Relying on the powerful communication capabilities and rapidly changing geometric
configuration, the Low Earth Orbit (LEO) satellites have the potential to offer integrated …

A Survey of Beam Management Schemes for LEO Satellite Communication Systems

D Kim, H Jung, JB Kim, IH Lee - 2024 15th International …, 2024 - ieeexplore.ieee.org
Low Earth orbit (LEO) satellite systems have emerged as novel interference management
strategies that can meet the demand for connections anywhere and anytime by providing …

Energy-Efficient Joint Handover and Beam Switching Scheme for Multi-LEO Networks

SH Chen, LH Shen, KT Feng… - 2024 IEEE 99th …, 2024 - ieeexplore.ieee.org
Low Earth orbit (LEO) has a significant potential to provide ubiquitous global coverage with
high capacity data services in sixth generation (6G) wireless networks. Due to the denser …