Optimal Satellite Gateway Placement in Space-Ground Integrated Network for Latency Minimization With Reliability Guarantee

被引：49
|
作者：
Cao, Yurui [1 ]
Shi, Yongpeng [1 ,2 ]
Liu, Jiajia [1 ]
Kato, Nei [3 ]
机构：
[1] Xidian Univ, Sch Cyber Engn, Xian 710071, Shaanxi, Peoples R China
[2] Luoyang Normal Coll, Sch Phys & Elect Informat, Luoyang 471934, Peoples R China
[3] Tohoku Univ, Grad Sch Informat Sci, Sendai, Miyagi 9808579, Japan
来源：
IEEE WIRELESS COMMUNICATIONS LETTERS | 2018年 / 7卷 / 02期
关键词：
Satellite gateway placement; space-ground integrated network; latency optimization; reliability constraint;
D O I：
10.1109/LWC.2017.2763149
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The satellite gateway placement problem is of fundamental significance for the design of space-ground integrated network, especially for the network latency and reliability, since different strategies may produce various network performances. In this letter, we propose two solutions for solving this problem, one is an optimal brute force algorithm (OBFA) and the other is a particle swarm-based optimization approximate algorithm (PSOA). Simulation results reveal that OBFA can obtain an optimal result with extremely high computational complexity, while PSOA can give approximate optimal performance with lower running time.
引用
收藏
页码：174 / 177
页数：4
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