Dynamic Routings in Satellite Networks: An Overview

被引：31
作者：
Cao, Xiaoli [1 ]
Li, Yitao [1 ]
Xiong, Xingzhong [1 ]
Wang, Jun [1 ]
机构：
[1] Sichuan Univ Sci & Engn, Sch Automat & Informat Engn, Artificial Intelligence Key Lab Sichuan Prov, Yibin 644000, Peoples R China
来源：
SENSORS | 2022年 / 22卷 / 12期
基金：
中国国家自然科学基金;
关键词：
single-layer satellite networks; multi-layer satellite networks; dynamic routings; overview; INTEGRATED NETWORK; SCHEDULING SCHEME; DIGITAL TWIN; ALGORITHM; QOS; RESOURCE; LEO; ASSIGNMENT; ALLOCATION; FAIRNESS;
D O I：
10.3390/s22124552
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The Satellite network is an important part of the global network. However, the complex architecture, changeable constellation topology, and frequent inter-satellite connection switching problems bring great challenges to the routing designs of satellite networks, making the study of the routing methods in satellite networks a research hotspot. Therefore, this paper investigates the latest existing routing works to tackle the dynamic routing problems in satellite networks. The architecture and development of satellite networks are presented and analyzed first. Afterward, dynamic routing problems in satellite networks are analyzed in detail based on the time-varying network topology. According to the latest works, the advanced satellite network routing schemes, including single-layer and multi-layer dynamic routing are introduced and analyzed. In addition, the merits, shortcomings, and applications of these schemes are analyzed and summarized. Finally, potential technologies and future directions are discussed.
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页数：46
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