Link Budget Analysis for Free-Space Optical Satellite Networks

2022 IEEE 23rd International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM) Pub Date : 2022-04-27 DOI:10.1109/WoWMoM54355.2022.00073

Jintao Liang, Aizaz U. Chaudhry, Eylem Erdogan, H. Yanikomeroglu

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引用次数: 5

Abstract

Free-space optical satellite networks (FSOSNs) will employ free-space optical links between satellites and between satellites and ground stations, and the link budget for optical inter-satellite links and optical uplink/downlink is analyzed in this paper. The satellites in these FSOSNs will have limited energy and thereby limited power, and we investigate the effect of link distance and link margin on optical inter-satellite link transmission power, and the effect of slant distance, elevation angle, and link margin on optical uplink/downlink transmission power. We model these optical links and compute the results for various parameters. We observe that the transmission power increases when the link distance increases for inter-satellite and uplink/downlink communications, while the transmission power decreases when the elevation angle increases for uplink/downlink transmission. We also observe an inverse relationship between link margin and link distance. Furthermore, we highlight some practical insights and design guidelines gained from this analysis.

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自由空间光卫星网络链路预算分析

自由空间光卫星网络(FSOSNs)将采用卫星之间以及卫星与地面站之间的自由空间光链路，本文分析了光星间链路和光上行/下行链路的链路预算。这些fsons中的卫星能量有限，因此功率有限，我们研究了链路距离和链路余量对光星间链路传输功率的影响，以及倾斜距离、仰角和链路余量对光上行/下行链路传输功率的影响。我们对这些光链路进行了建模，并计算了不同参数下的结果。我们观察到，星间通信和上行/下行通信的发射功率随着链路距离的增加而增加，而上行/下行通信的发射功率随着仰角的增加而减小。我们还观察到链接边距和链接距离之间呈反比关系。此外，我们强调了从分析中获得的一些实际见解和设计指南。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2022 IEEE 23rd International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM)

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