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Volume 32 Issue 07
Jul.  2006
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Journal of Beijing University of Aeronautics and Astronautics  > 2006  >  32(07): 788-792.
Yuan Zhe, Zhang Jun, Liu Zhongkanet al. Dynamic routing algorithm for LEO/MEO double-layered satellite networks[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(07): 788-792. (in Chinese)
Citation: Yuan Zhe, Zhang Jun, Liu Zhongkanet al. Dynamic routing algorithm for LEO/MEO double-layered satellite networks[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(07): 788-792. (in Chinese)
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Dynamic routing algorithm for LEO/MEO double-layered satellite networks

  • School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 11 Aug 2005
  • Publish Date: 31 Jul 2006
    Abstract
  • Double-Layered satellite networks consisting of LEO(low earth orbit) and MEO(medium earth orbit) satellites have advantages on networking and communication performances. Based on the advantages of MEO and LEO satellites in long-distance and short-distance communications respectively, a hierarchical and distributed dynamic routing algorithm named DLRA (double-layered satellite-network routing algorithm) was proposed. By controlling flood of link state information, LEO satellites could acquire local topology information to route the short-distance traffics. The long-distance traffics were routed in MEO layer. The residual lifetime of the ISL (inter-satellite link) was considered in the path weight calculation in this algorithm. The selected path was optimal in path delay and duration. The simulation results show that DLRA has better performances in end-to-end delay, routing overhead and traffic flow distribution, and is easy to be applied.

     

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  • [1] Ercetin O, Ball M O, Tassiulas L. Next generation satellite systems for aeronautical communications[J]. International Journal of Satellite Communications and Networking, 2004, 22(2):157-179 [2] Akyildiz I F, Ekici E, Bender M D. MLSR:a novel routing algorithm for multilayered satellite IP networks[J]. IEEE Transactions on Networking, 2002, 10(3):411-424 [3] Lee J W, Kim T W, Kim D W, et al. Satellite over satellite (SOS) network:a novel concept of hierarchical architecture and routing in satellite network Titsworth F M. Proceedings of LCN 2000, USA:the Printing House, 2000:392-399 [4] 胡剑浩, 李涛, 吴诗其. 具有星际链路的LEO&MEO双层卫星网络路由策略研究[J]. 电子学报, 2000, 28(4):31-35 Hu Jianhao, Li Tao, Wu Shiqi. Routing of a LEO&MEO double layer mobile satellite communication system[J]. Journal of Electronics, 2000, 28(4):31-35(in Chinese) [5] Voilet M D.The development and application of a cost per minute metric of the evaluation of mobile satellite systems in a limited-growth voice communications market .Cambridge:Massachusetts Institute of Technology, 1995 [6] Svigelj A, Mohorcic M, Kandus G, et al. Routing in ISL networks considering empirical IP traffic[J].IEEE Journal on Selected Aeas in Communications, 2004, 22(2):261-273
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