A Satellite Handover Strategy Based on the Potential Game in LEO Satellite Networks

被引：51
|
作者：
Wu, Yang [1 ]
Hu, Guyu [1 ]
Jin, Fenglin [1 ]
Zu, Jiachen [1 ]
机构：
[1] Army Engn Univ, Inst Command & Control Engn, Nanjing 210007, Jiangsu, Peoples R China
来源：
IEEE ACCESS | 2019年 / 7卷
关键词：
LEO satellite network; satellite handover; potential game; the bipartite graph; random access; PERFORMANCE ANALYSIS; MANAGEMENT; SERVICE;
D O I：
10.1109/ACCESS.2019.2941217
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In a low earth orbit (LEO) satellite network, handover management across satellite spot beams needs to be addressed to decrease handover times while using network resources efficiently since the speed of LEO satellites is much higher than that of mobile nodes. In this paper, we propose a novel satellite handover strategy based on the potential game for mobile terminals in a LEO satellite communication network. To continue communication with the counterpart, the user has to switch among the covered LEO satellites. In a software-defined satellite network (SDSN) architecture, the satellite handover can be viewed as a bipartite graph. To balance the satellite network workload, we propose a terminal random-access algorithm based on the target of userspace maximization. The simulated handover conducted on a typical LEO satellite network, Iridium, corroborates the effectiveness of the proposed handover strategy.
引用
收藏
页码：133641 / 133652
页数：12
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