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Wireless Internet. 10th International Conference, WiCON 2017, Tianjin, China, December 16-17, 2017, Proceedings

Research Article

A Markov Decision Based Optimization on Bundle Size over Two-Hop Inter-satellite Links

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  • @INPROCEEDINGS{10.1007/978-3-319-90802-1_31,
        author={Yue Li and Zhihua Yang and Peng Yuan},
        title={A Markov Decision Based Optimization on Bundle Size over Two-Hop Inter-satellite Links},
        proceedings={Wireless Internet. 10th International Conference, WiCON 2017, Tianjin, China, December 16-17, 2017, Proceedings},
        proceedings_a={WICON},
        year={2018},
        month={5},
        keywords={DTN Markov decision Bundles Memory},
        doi={10.1007/978-3-319-90802-1_31}
    }
    
  • Yue Li
    Zhihua Yang
    Peng Yuan
    Year: 2018
    A Markov Decision Based Optimization on Bundle Size over Two-Hop Inter-satellite Links
    WICON
    Springer
    DOI: 10.1007/978-3-319-90802-1_31
Yue Li1,*, Zhihua Yang1,*, Peng Yuan1,*
  • 1: Harbin Institute of Technology
*Contact email: liyue1234566@126.com, yangzhihua@hit.edu.cn, yuanp1990@163.com

Abstract

In a satellite Disruption-Tolerant Network (DTN), bundle delivery is obviously affected by time-varying parameters, i.e. bit error ratio and propagation latency, due to constantly changing distance and connectivity between consecutive orbital nodes. In this paper, we proposed a Markov decision based optimization approach for bundle size, which could efficiently improve the expected time of delivery over a dynamic two-hop Inter-Satellite Link (ISL). In particular, a sequence of optimal bundle sizes are adaptively selected according to distance-dependent current channel parameters, which could make full utilization on intermediate node’s memory. The simulation results verified the proposed method with different conditions with comparison.

Keywords
DTN Markov decision Bundles Memory
Published
2018-05-14
Appears in
SpringerLink
http://dx.doi.org/10.1007/978-3-319-90802-1_31
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