LEO satellite access network (LEO-SAN) towards 6G: Challenges and approaches
With the rapid development of satellite communication technologies, the space-based
access network has been envisioned as a promising complementary part of the future 6G …
access network has been envisioned as a promising complementary part of the future 6G …
Performance analysis in satellite communication with beam hopping using discrete-time queueing theory
Satellite communication with beam hopping is a promising approach to meeting wide-area
user traffic demands under on-board resource limitation. However, there is currently a lack of …
user traffic demands under on-board resource limitation. However, there is currently a lack of …
Low-Correlation Superimposed Pilot Grant-free Massive Access for Satellite Internet of Things
Satellite Internet of Things (S-IoT) with low Earth orbit satellites has become an effective
solution for providing global coverage for massive machine type communications (mMTC) …
solution for providing global coverage for massive machine type communications (mMTC) …
Joint beam direction control and radio resource allocation in dynamic multi-beam leo satellite networks
Multi-beam low earth orbit (LEO) satellites are emerging as key components in beyond 5G
and 6G to provide global coverage and high data rate. To fully unleash the potential of LEO …
and 6G to provide global coverage and high data rate. To fully unleash the potential of LEO …
Joint network function placement and routing optimization in dynamic software-defined satellite-terrestrial integrated networks
Software-defined satellite-terrestrial integrated networks (SDSTNs) are seen as a promising
paradigm for achieving high resource flexibility and global communication coverage …
paradigm for achieving high resource flexibility and global communication coverage …
A unified NOMA framework in beam-hopping satellite communication systems
X Zhang, X Yue, T Li, Z Han, Y Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This article investigates the application of a unified nonorthogonal multiple access
framework in beam hopping (U-NOMA-BH)-based satellite communication systems. More …
framework in beam hopping (U-NOMA-BH)-based satellite communication systems. More …
NOMA or OMA in Delay-QoS limited satellite communications: Effective capacity analysis
X Yan, K An, Q Zhang, B Du - Electronics, 2023 - mdpi.com
In this paper, we theoretically study the achievable capacity of orthogonal and non-
orthogonal multiple access (OMA and NOMA) schemes in supporting downlink satellite …
orthogonal multiple access (OMA and NOMA) schemes in supporting downlink satellite …
Satellite-Terrestrial Coordinated Multi-Satellite Beam Hopping Scheduling Based on Multi-Agent Deep Reinforcement Learning
Non-geostationary orbit (NGSO) constellations enabled by beam hopping (BH) technology
are characterized by wide coverage and high spectrum efficiency. However, how to …
are characterized by wide coverage and high spectrum efficiency. However, how to …
Angle-based multicast user selection and precoding for beam-hopping satellite systems
T Shi, Y Liu, S Kang, S Sun, R Liu - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This paper deals with user selection, beam selection, and multicast precoding with full
frequency reuse (FFR) for LEO satellite communication systems while exploiting the angle …
frequency reuse (FFR) for LEO satellite communication systems while exploiting the angle …
DRL-Based Dynamic Resource Allocation for Multi-Beam Satellite Systems
R Chai, G Yang, L Liu, Q Chen - IEEE Transactions on Network …, 2024 - ieeexplore.ieee.org
Multi-beam satellite communication systems have been widely recognized as an efficient
technology for providing reliable and high-speed communication services. In this paper, we …
technology for providing reliable and high-speed communication services. In this paper, we …