GEO/LEO卫星网络的数据传输与抗毁性技术

doi:10.3969/j.issn.1001-2400.2018.01.001

西安电子科技大学学报

• 研究论文 • 下一篇

GEO/LEO卫星网络的数据传输与抗毁性技术

刘立芳1;吴丹1;郎晓光1;齐小刚2

(1. 西安电子科技大学计算机学院，陕西西安 710071；
2. 西安电子科技大学数学与统计学院，陕西西安 710071)

收稿日期:2017-02-22 出版日期:2018-02-20 发布日期:2018-03-23
作者简介:刘立芳(1972-)，女，教授，博士，E-mail: lfliu@xidian.edu.cn
基金资助:
国家自然科学基金资助项目( 61572435, 61472305)；陕西省自然科学基金资助项目(2015JZ002, 2015JM6311)；宁波市自然科学基金资助项目(2016A610035, 2017A610119)；复杂电子系统仿真重点实验室基础研究基金资助项目(DXZT-JC-ZZ-2015-015)

Research on data transmission and survivability technology of the GEO/LEO satellite network

LIU Lifang1;WU Dan1;LANG Xiaoguang1;QI Xiaogang2

(1. School of Computer Science and Technology, Xidian Univ., Xi'an 710071, China;
2. School of Mathematics and Statistics, Xidian Univ., Xi'an 710071, China)

Received:2017-02-22 Online:2018-02-20 Published:2018-03-23

摘要/Abstract

摘要：

针对低轨卫星网络对地传输时实时性不足的问题，提出了一种双层卫星网络协同的数据传输与抗毁性技术．在技术中以高轨卫星网络作为通信骨干网，负责卫星网络中数据的中继与转发，低轨卫星层则负责数据的收集和辅助路由．通过高轨卫星层与低轨卫星层的联合通信，实现了低轨卫星数据的实时传输．采用多路径传输策略，提高了卫星网络的抗毁性．通过仿真，对提出的技术在吞吐率、传输时延、时延抖动以及丢包率等方面的性能进行了分析．在遭受攻击环境下，对网络的数据交付能力变化进行了研究．多层卫星协同的数据传输方法能够很好地解决单层低轨卫星网络在数据传输方面的不足，满足卫星节点多业务的实时传输需求．

关键词: 卫星网络模型, 数据传输方法, 抗毁性技术, 性能分析, 网络仿真

Abstract:

Aiming at the problem that Low Earth Orbit satellites have a low real-time performance in transmitting data to the ground, a data transmission and survivability technology based on the double-layer satellite network is proposed. In the method, the Geosynchronous Earth Orbit satellite network is used as the communication backbone network, which is responsible for the relaying and forwarding of the data in the satellite network. The low-earth satellite layer is responsible for data collection and auxiliary routing. Combining the advantages of Geosynchronous Earth Orbit and Low Earth Orbit satellites can realize the real-time transmission of Low Earth Orbit satellite data. The multi-path transmission strategy improves the survivability of the satellite network. The performance of the proposed method is analyzed in terms of throughput, transmission delay, delay jitter and packet loss rate. Under the attack environment, the data delivery capability of the network is studied. The data transmission method based on the multi-layer satellite can solve the single-layer low-earth satellite network in data transmission, and satisfy the requirement of multi-service real-time transmission.

Key words: satellite network model, data transmission, survivability technology, performance analysis, network simulation

刘立芳;吴丹;郎晓光;齐小刚. GEO/LEO卫星网络的数据传输与抗毁性技术[J]. 西安电子科技大学学报, 2018, 45(1): 1-5+54.

LIU Lifang;WU Dan;LANG Xiaoguang;QI Xiaogang. Research on data transmission and survivability technology of the GEO/LEO satellite network[J]. Journal of Xidian University, 2018, 45(1): 1-5+54.

参考文献

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GEO/LEO卫星网络的数据传输与抗毁性技术

Research on data transmission and survivability technology of the GEO/LEO satellite network

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