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    吴凤鸽, 孙富春, 孙增圻, 余 珂, 李 磊. LEO/MEO双层卫星网络的性能分析[J]. 计算机研究与发展, 2005, 42(2): 259-265.
    引用本文: 吴凤鸽, 孙富春, 孙增圻, 余 珂, 李 磊. LEO/MEO双层卫星网络的性能分析[J]. 计算机研究与发展, 2005, 42(2): 259-265.
    Wu Fengge, Sun Fuchun, Sun Zengqi, Yu Ke, Li Lei. Performance Analysis of a Double-Layered Satellite Network[J]. Journal of Computer Research and Development, 2005, 42(2): 259-265.
    Citation: Wu Fengge, Sun Fuchun, Sun Zengqi, Yu Ke, Li Lei. Performance Analysis of a Double-Layered Satellite Network[J]. Journal of Computer Research and Development, 2005, 42(2): 259-265.

    LEO/MEO双层卫星网络的性能分析

    Performance Analysis of a Double-Layered Satellite Network

    • 摘要: 基于模型方法和软件仿真方法,对一种低轨/中轨(LEO/MEO)双层卫星网络进行了性能分析.首先建立了双层卫星网络的广义随机Petri网(GSPN)模型,通过对模型进行分析和合理简化, 采用SPNP4.0软件进行了网络性能分析.然后, 将分析的结果与采用OPNET软件对LEO/MEO双层卫星网络模拟的结果进行比较, 验证了模型分析方法的正确性, 同时得到了一些新的结论.

       

      Abstract: The performance evaluation on a LEO/MEO satellite network is carried out by model-based analysis and software simulation, respectively. Firstly, the GSPN model of a double-layered satellite network is constructed and simplified, and then used to evaluate the network performance with SPNP4.0 software package. Then, the effectiveness of the results obtained by model-based analysis is verified in comparison with those by network simulation using OPNET, and some results are derived that the performance of double-layered constellation is better than that of single-layered one because processing and waiting delay become the main delay under high traffic condition.

       

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