Contact Plan Design for Navigation Satellite Network Based on Maximum Matching

Proceedings of the 2nd International Conference on Vision, Image and Signal Processing Pub Date : 2018-08-27 DOI:10.1145/3271553.3271576

Zhenwei Hou, Xianqing Yi, Yue Zhao, Chong Li, Yi Xie

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引用次数: 5

Abstract

It is the most important development trends for Global Navigation Satellite System (GNSS) to take advantage of intersatellite links (ISLs) to enhance the performance. ISL is established in GNSS not only for inter-satellite communication but also for inter-satellite pseudo-range measurement. However, only one link can be established in the every moment for a satellite. Therefore, contact plan, which comprises all forthcoming network communication opportunities among satellites, needs to be carefully designed to accommodate the constraints of both inter-satellite pseudo-range measurement and communication. In this paper, we focus on the contact plan design problems considering the data transmission between satellites and ground stations. We present a method of contact plan based on maximum matching to improve the performance of inter-satellite ranging and communication. Through the trade-off between two specific solutions, different performance is achieved. The simulations evaluate the performance of the solutions in the final.

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基于最大匹配的卫星导航网络接触规划设计

利用星间链路提高系统性能是全球卫星导航系统(GNSS)发展的重要趋势。在GNSS中建立ISL不仅用于星间通信，而且用于星间伪距离测量。然而，对于一颗卫星来说，每时每刻只能建立一个链路。因此，需要仔细设计包括所有卫星之间即将出现的网络通信机会的接触计划，以适应卫星间伪距离测量和通信的限制。本文主要研究了考虑卫星与地面站数据传输的接触面方案设计问题。为了提高星间测距和通信性能，提出了一种基于最大匹配的接触计划方法。通过两种特定解决方案之间的权衡，实现了不同的性能。最后通过仿真来评估方案的性能。

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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Proceedings of the 2nd International Conference on Vision, Image and Signal Processing

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