Routing optimization based on topology control in satellite network

Xiaogang QI; Jiulong MA; Lifang LIU

doi:10.11959/j.issn.1000-436x.2018020

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Routing optimization based on topology control in satellite network

Papers | 更新时间：2024-06-05

- Routing optimization based on topology control in satellite network
- Journal on Communications Vol. 39, Issue 2, Pages: 11-20(2018)
- 作者机构：
  
  1. 西安电子科技大学数学与统计学院，陕西西安 710126
  2. 西安电子科技大学计算机学院，陕西西安 710071
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-436x.2018020
  CLC： TN927
- Online First：2018-02，
  
  Published：25 February 2018
- 稿件说明：
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Xiaogang QI, Jiulong MA, Lifang LIU. Routing optimization based on topology control in satellite network[J]. Journal on Communications, 2018, 39(2): 11-20.
DOI：

Xiaogang QI, Jiulong MA, Lifang LIU. Routing optimization based on topology control in satellite network[J]. Journal on Communications, 2018, 39(2): 11-20. DOI： 10.11959/j.issn.1000-436x.2018020.

摘要

综合考虑低轨道和静止轨道卫星网络各自的优势，建立一种适合空间组网的双层卫星网络模型，提出一种基于拓扑控制的路由算法（TCRA）。此模型使用了虚拟节点策略和卫星分组的思想，将每个低轨道卫星的覆盖区作为网络的虚拟节点。此网络考虑了极区对卫星足印区划分的影响，使上层的管理卫星能够准确获得下层卫星的拓扑。通过利用这个改进的虚拟节点策略，网络中产生的时间片在数量、长度和其他方面都明显优于其他网络模型。基于此网络拓扑，静止轨道卫星为低轨道卫星计算路由，低轨道卫星负责转发数据。仿真表明，基于提出的网络拓扑的路由在平均端到端时延、分组丢失率方面明显小于其他算法。

Abstract

A new double-layer satellite network model for space networking was established and a routing algorithm based on topology control (TCRA) was proposed considering the advantages of low earth orbit and stationary earth orbit satellite networks.This model used virtual node strategy and satellite grouping idea

which regarded the coverage area of each low earth orbit satellite as a virtual node.The network took into account the influence of the polar area on the division of the satellite footprints

such that the upper management satellites can accurately acquire the topology of the lower satellites.Using the improved virtual node strategy

the time slices were superior to other network models in quantity

length and other aspects.Based on the network topology

stationary earth orbit satellites calculate routing for low earth orbit satellites

while low earth orbit satellites were responsible for forwarding data.The simulation results show that the routing algorithm is superior to other algorithms in average end-to-end delay and packet loss rate.

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references

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