Development Trend and Architecture Prospect of Future Low-Earth-Orbit Information Networks

WANG Ningyuan; CHEN Dong; LIU Liang; QIN Zhaotao; LIANG Bingyuan

doi:10.11999/JEIT211400

Volume 45 Issue 2

Feb. 2023

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Article Navigation > Journal of Electronics & Information Technology > 2023 > 45(2): 396-406

WANG Ningyuan, CHEN Dong, LIU Liang, QIN Zhaotao, LIANG Bingyuan. Development Trend and Architecture Prospect of Future Low-Earth-Orbit Information Networks[J]. Journal of Electronics & Information Technology, 2023, 45(2): 396-406. doi: 10.11999/JEIT211400

Citation:

WANG Ningyuan, CHEN Dong, LIU Liang, QIN Zhaotao, LIANG Bingyuan. Development Trend and Architecture Prospect of Future Low-Earth-Orbit Information Networks[J]. Journal of Electronics & Information Technology, 2023, 45(2): 396-406. doi: 10.11999/JEIT211400

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Development Trend and Architecture Prospect of Future Low-Earth-Orbit Information Networks

doi: 10.11999/JEIT211400

1.
Peng Cheng Laboratory, Shenzhen 518055, China
2.
Institute of Telecommunication and Navigation Satellites, China Academy of Space Technology, Beijing 100094, China

Funds: The National Natural Science Foundation of China (61875230), The National Key Research and Development Program (2020YFB1806102)

Received Date: 2021-12-01
Rev Recd Date: 2022-04-19

Available Online: 2022-04-24

Publish Date: 2023-02-07

Abstract

Abstract

In recent years, with the upsurging development of launching, satellite, telecommunication, and networks technologies, the form of space-based networks is undergoing qualitative changes. Low-Earth-Orbit (LEO) constellation network has become a new option for many application scenarios. With the development trend towards a space-based information infrastructure, the LEO constellation is required to possess features of global coverage, constellation-terrestrial integration, diversified carrying, continuous evolution, security, and controllability, which put forward higher requirements for the network architecture of LEO constellation in the future. Therefore, in this paper, the development status of related fields of LEO constellation networks is summarized, and the tendencies of LEO constellation network development are analyzed. On this basis, an “all-in-cloud” network architecture based on Software-Defined Network (SDN) and Network Function Virtualization (NFV) is proposed, making the network architecture programmable, decoupled, and decentralized. Moreover, the network operation management is supported by intention-driven approaches, so as to realize the capabilities of flexible carrying, continuous evolution, and automatic management of the network. Finally, the technical direction that needs to be focused on is looked forward to in this paper.

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References(26)

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