DEF-based energy consumption balancing optimization for LEO satellite networks

doi:10.23919/JSEE.2025.000054

Journal of Systems Engineering and Electronics ›› 2025, Vol. 36 ›› Issue (4): 922-931.doi: 10.23919/JSEE.2025.000054

• • 上一篇

收稿日期:2023-04-06 出版日期:2025-08-18 发布日期:2025-09-04

DEF-based energy consumption balancing optimization for LEO satellite networks

Hang DI¹^,²(), Tao DONG¹^,²^,*(), Zhihui LIU¹^,²(), Shichao JIN¹^,²()

¹ State Key Laboratory of Space-Ground Integrated Information Technology, Space Star Technology Co., Ltd., Beijing 100095, China
² Beijing Institute of Satellite Information Engineering, Beijing 100095, China

Received:2023-04-06 Online:2025-08-18 Published:2025-09-04
Contact: Tao DONG E-mail:dihang2020@sina.com;dongtaoandy@163.com;liuzhihui1225@163.com;jinshch@spacestar.com.cn
About author:
DI Hang was born in 1996. He received his B.S. degree in electrical engineering and automation from Xi’an Jiaotong University, Xi’an, Shanxi, in 2018, and M.S. degree in electrical and computer engineering from Northeastern University, Boston, Massachusetts, in 2020. He is pursing his Ph.D. degree at China Academy of Space Technology. His research interests include satellite communication and networks. E-mail: dihang2020@sina.com

DONG Tao was born in 1975. He received his B.S. and Ph.D. degrees in electronics science and technology from Beijing Institute of Technology in 1999 and 2004, respectively. He is currently a professor with State Key Laboratory of Space-Ground Integrated Information Technology, Space Star Technology Co., Ltd. His research interests include satellite communication and networks. E-mail: dongtaoandy@163.com

LIU Zhihui was born in 1989. She received her M.S. degree in computational mathematics, Xiangtan University, Xiangtan, Hunan, in 2012, and Ph.D. degree in signal and information processing at the School of Information and Communication Engineering from Beijing University of Posts and Telecommunications, Beijing, China, in 2016. She is currently a senior engineer in the State Key Laboratory of Space-Ground Integrated Information Technology, Space Star Technology Co., Ltd. Her research interests include space communication and networks, resource management and control for heterogeneous networks, and network resource sensing. E-mail: liuzhihui1225@163.com

JIN Shichao was born in 1980. He received his B.S. degree in physics from Lanzhou University, and Ph.D. degree in physics from Tsinghua University. He is currently a professor with the State Key Laboratory of Space-Ground Integrated Information Technology, Space Star Technology Co., Ltd. His research interests include satellite communication and networks. E-mail: jinshch@spacestar.com.cn
Supported by:
This work was supported by the National Key Research and Development Program (2021YFB2900604).

摘要/Abstract

Abstract:

In low Earth orbit (LEO) satellite networks, on-board energy resources of each satellite are extremely limited. And with the increase of the node number and the traffic transmission pressure, the energy consumption in the networks presents uneven distribution. To achieve energy balance in networks, an energy consumption balancing optimization algorithm of LEO networks based on distance energy factor (DEF) is proposed. The DEF is defined as the function of the inter-satellite link distance and the cumulative network energy consumption ratio. According to the minimum sum of DEF on inter-satellite links, an energy consumption balancing algorithm based on DEF is proposed, which can realize dynamic traffic transmission optimization of multiple traffic services. It can effectively reduce the energy consumption pressure of core nodes with high energy consumption in the network, make full use of idle nodes with low energy consumption, and optimize the energy consumption distribution of the whole network according to the continuous iterations of each traffic service flow. Simulation results show that, compared with the traditional shortest path algorithm, the proposed method can improve the balancing performance of nodes by 75% under certain traffic pressure, and realize the optimization of energy consumption balancing of the whole network.

Key words: low Earth orbit (LEO) satellite networks, distance energy factor (DEF), energy consumption balancing, flow transmission optimization

. [J]. Journal of Systems Engineering and Electronics, 2025, 36(4): 922-931.

Hang DI, Tao DONG, Zhihui LIU, Shichao JIN. DEF-based energy consumption balancing optimization for LEO satellite networks[J]. Journal of Systems Engineering and Electronics, 2025, 36(4): 922-931.

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参考文献 28

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DEF-based energy consumption balancing optimization for LEO satellite networks

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