PAT 시그널링 오버헤드에 따른 저궤도 위성 군집 네트워크의 라우팅 성능 분석

Abstract

A network consisting of low earth orbit (LEO) satellite constellation is an effective technology to build a global communication network. In a laserbased LEO satellite inter-network, laser point requires high accuracy, and it can be disconnected due to a fast orbital speed of LEO. In this paper, the amount of angular change of the laser over time is measured through simulation. Next, performance analysis of the routing algorithm is conducted by implementing a virtual system model in which the connection is disconnected based on the measured value. As a result of the analysis, when the maximum tolerant angular velocity of the laser was 1.6 mrad/s, the end-to-end delay increased by an average of 54.3ms compared to the situation in which the link failure does not occur.