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Wireless and Satellite Systems. 11th EAI International Conference, WiSATS 2020, Nanjing, China, September 17-18, 2020, Proceedings, Part I

Research Article

Traffic Prediction Based Capacity Pre-assignment Scheme for Low Latency in LEO Satellite Communication Systems

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  • @INPROCEEDINGS{10.1007/978-3-030-69069-4_2,
        author={Jingyu Tang and Guangxia Li and Dongming Bian and Jing Hu},
        title={Traffic Prediction Based Capacity Pre-assignment Scheme for Low Latency in LEO Satellite Communication Systems},
        proceedings={Wireless and Satellite Systems. 11th EAI International Conference, WiSATS 2020, Nanjing, China, September 17-18, 2020, Proceedings, Part I},
        proceedings_a={WISATS},
        year={2021},
        month={2},
        keywords={LEO satellite communication systems Low latency Network traffic Traffic prediction Self-similar model Free capacity assignment FARIMA ARIMA},
        doi={10.1007/978-3-030-69069-4_2}
    }
    
  • Jingyu Tang
    Guangxia Li
    Dongming Bian
    Jing Hu
    Year: 2021
    Traffic Prediction Based Capacity Pre-assignment Scheme for Low Latency in LEO Satellite Communication Systems
    WISATS
    Springer
    DOI: 10.1007/978-3-030-69069-4_2
Jingyu Tang1, Guangxia Li1, Dongming Bian1,*, Jing Hu1
  • 1: PLA Army Engineering University
*Contact email: biandm_satlab@163.com

Abstract

Low latency is an important index in LEO satellite communication systems, while the satellite capacity “application-assignment” scheme based on the DVB-RCS2 standard in the return channel causes a long round-trip delay. To improving the quality of experience (QoE), in this paper, a more aggressive capacity pre-assignment scheme combining traffic prediction and free capacity assignment (FCA) is proposed. The network control center (NCC) predicts traffic for every return channel satellite terminal (RCST) and assigns capacities in advance without capacity requests. Several FCA strategies based on multi-frequency time division multiple accesses (MF-TDMA) in the physical layer are analyzed as a compensatory capacity assignment method to deal with the inaccuracy of traffic prediction. Simulation results show that the proposed FCA strategies have better performance than existing FCA strategies.

Keywords
LEO satellite communication systems Low latency Network traffic Traffic prediction Self-similar model Free capacity assignment FARIMA ARIMA
Published
2021-02-28
Appears in
SpringerLink
http://dx.doi.org/10.1007/978-3-030-69069-4_2
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