卫星互联网若干关键技术研究

张更新, 王运峰, 丁晓进, 洪涛, 刘子威, 张晨 - 通信学报, 2021 - infocomm-journal.com
卫星互联网具备全球广域无缝覆盖能力, 是未来陆海空天一体化网络的重要组成部分. 首先,
讨论了卫星互联网体系架构, 包括系统一般组成, 组网方式, 工作过程等, 研究了卫星互联网场景 …

Multisatellite cooperative random access scheme in low earth orbit satellite networks

B Zhao, G Ren, H Zhang - IEEE systems journal, 2018 - ieeexplore.ieee.org
Multisatellite cooperative random access (MSC-RA) scheme is proposed in low earth orbit
(LEO) satellite networks. In the scheme, a packet structure based on single carrier …

LDMAC: A propagation delay-aware MAC scheme for long-distance UAV networks

X Chen, C Huang, X Fan, D Liu, P Li - Computer Networks, 2018 - Elsevier
Unmanned aerial vehicles (UAVs) are gaining increasing importance in military and civilian
applications. A challenging problem is the efficient communication between multiple UAVs …

Multi-satellite cooperative beamforming aloha for leo satellite iot networks

R Liu, T Hong, X Ding, Y Wang… - Frontiers in Space …, 2021 - frontiersin.org
In this paper, we proposed a cooperative beamforming ALOHA (CBA) scheme based on
linearly constrained minimum variance criterion for low Earth orbit satellite (LEO) IoT …

低轨卫星物联网体系架构及关键技术研究

丁晓进, 洪涛, 刘锐, 彭文滔, 张更新 - 天地一体化信息网络, 2021 - infocomm-journal.com
首先分析低轨卫星物联网的系统组成和需求特征, 并设计低轨卫星物联网的体系架构; 其次,
研究电磁和传播环境感知方法, 通过构建神经网络模型智能提取电磁环境和信道特征; 再次 …

Asynchronous flipped grant-free SCMA for satellite-based Internet of Things communication networks

P Li, G Cui, W Wang - Applied Sciences, 2019 - mdpi.com
Sparse code multiple access (SCMA) is a promising code domain non-orthogonal multiple-
access scheme which is able to support massive connectivity and grant-free transmission in …

Cooperative beamforming aloha for asynchronous LEO satellite IoT networks

W Xudong, XI Bo, SHI Xiaoye, H Tao… - 2020 IEEE …, 2020 - ieeexplore.ieee.org
In this paper, we propose a cooperative beamforming ALOHA (CBA) scheme to improve the
throughput of an asynchronous low earth orbit (LEO) satellite based Internet of Things (IoT) …

机载低轨卫星通信发展及关键技术综述.

陈书恒, 莫嘉倩, 莫小欣 - Telecommunication Engineering, 2024 - search.ebscohost.com
卫星通信是保障机载平台远程飞行的主要通信手段. 低轨卫星通信具有传输损耗小, 传输时延短,
卫星发射灵活, 能全球覆盖等优点, 已成为机载卫星通信领域的研究热点. 梳理了国内外机载低轨 …

Adaptive packet-length assisted random access scheme in LEO satellite network

J Bai, G Ren - IEEE Access, 2019 - ieeexplore.ieee.org
A new adaptive packet-length assisted random access (RA) scheme is proposed to improve
the performance of the RA system in LEO satellite network. In the scheme, the lengths of …

Review on development of LEO Internet constellation

S WU, W WANG, J WEN, Y WU - 北京航空航天大学学报, 2022 - bhxb.buaa.edu.cn
In recent years, several innovative enterprises like SpaceX and OneWeb have initiated the
LEO Internet constellations. Therefore, recognizing its importance to the internet usersis …