Volume 33 Issue 1
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Hu Shengbo, Meng Xin, Bian Chunjiang. Research on dynamic slots allocation supporting multi-missions for space station[J]. Chinese Journal of Space Science, 2013, 33(1): 63-71. doi: 10.11728/cjss2013.01.063
Citation: Hu Shengbo, Meng Xin, Bian Chunjiang. Research on dynamic slots allocation supporting multi-missions for space station[J]. Chinese Journal of Space Science, 2013, 33(1): 63-71. doi: 10.11728/cjss2013.01.063
shu

Research on dynamic slots allocation supporting multi-missions for space station

doi: 10.11728/cjss2013.01.063
  • 1.

    Institute of Intelligent Information Processing, Guizhou Normal University, Guiyang 550001

  • 2.

    Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190

  • Received Date: 2011-11-28
  • Rev Recd Date: 2012-10-19
  • Publish Date: 2013-01-15
    Abstract
  • To utilize the limited channel resources of space with efficiency and flexibility, and to improve the dynamics of space station operation, it is important to dynamically allocate slot with Quality-of-Service (QoS) for supporting multi-missions of space station. According to characteristic of space station, a networking architecture for space station is presented. The slot allocation methods based on QoS are emphasized, and a demand slot allocation with QoS guarantee based on reservation is proposed. Using NS2 and STK, the results of simulation show that the propagation delay between space station and ground varies from 0.232s to 0.35s, and that the less active payload or spacecraft number is, the less End To End (ETE) delay is.

     

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