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移动卫星网络中卫星切换调度研究

DOI: 10.13190/j.jbupt.2015.增.009, PP. 37-40

Keywords: 低轨卫星网络,移动卫星通信,切换,卫星多样性

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Abstract:

针对卫星切换调度问题,提出了一种最大服务时长切换调度算法.该算法利用了现有的GPS基础设施和卫星网络中卫星的多样性(即在任意时刻多颗卫星覆盖相同的区域),减少了用户在通信过程中的切换次数,从而最终降低了用户的掉话率,实现了用户在低轨(LEO)卫星网络中实时高效的切换.在Iridium卫星网络中的仿真结果验证了该算法的有效性.

References

[1]  Chowdhury P K, Atiquzzaman M. Handover schemes in satellite networks: state-of-the-art and future research directions [J]. IEEE Communications Surveys & Tutorials, 2006, 8(4): 2-14.
[2]  Ali I, N Al-Dhahir N, Hershey J E. Predicting the visibility of LEO satellites [J]. IEEE Trans on Aerospace and Electronics Systems, 1999, 35(4): 1180-1189.
[3]  Seyedi Y, Rahimi F. A trace-time framework for prediction of elevation angle over land mobile LEO satellites networks [J]. Wireless Pers Commun, 2012, 62(4): 793-804.
[4]  Mason T R, Weaver C H, Camacho M A. Position, navigation, and timing in the common operating environment: prototyping the pnt user equipment modernization archi- tecture[C]//MILCOM 2012. Orlando, FL: IEEE Press, 2012: 1-6.
[5]  Seyedi Y, Safavi S M. On the analysis of random coverage time in mobile LEO satellite communications [J]. IEEE Communications Letters, 2012, 16(5): 612-615.

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