Inter-satellite communication rate control method of Beidou navigation constellation

被引：0

作者：

Li X. ^{[1
]}

Wang J. ^{[1
]}

Fan G. ^{[1
]}

Yang Z. ^{[1
]}

机构：

[1] National Innovation Institute of Defense Technology, Academy of Military Sciences, Beijing

来源：

Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics | 2020年 / 46卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Beidou; Ephemeris; Inter-satellite communication; Navigation constellation; Rate control;

D O I：

10.13700/j.bh.1001-5965.2019.0411

中图分类号：

学科分类号：

摘要：

Beidou navigation constellation can achieve autonomous orbit determination and performance enhancement by introducing inter-satellite ranging and transmitting links. During data transmission of inter-satellite links, the relative position change of satellites with time causes the constant change of the characteristics of transmission channel. In view of the time-varying characteristics of inter-satellite transmitting links, an inter-satellite communication rate control method based on ephemeris is proposed. On the condition that the quality of transmission service is satisfied, the optimal inter-satellite transmission rate is quantitatively calculated according to the high-precision ephemeris resources that navigational satellite possesses, and the transmission efficiency is improved through the dynamic adjustment of the rate. The simulation results show that, using the proposed method, the inter-satellite transmission efficiency of Beidou navigation constellation can be improved by 1.92 times, which verifies the effectiveness of the method. © 2020, Editorial Board of JBUAA. All right reserved.

引用

页码：731 / 738

页数：7

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