2017 International Conference on Localization and GNSS (ICL-GNSS)最新文献

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Cows, buses, people: Context awareness sensing from positioning sensors for improved safety, efficiency and performance 奶牛、公共汽车、人:通过定位传感器感知环境,提高安全性、效率和性能
2017 International Conference on Localization and GNSS (ICL-GNSS) Pub Date : 2017-06-01 DOI: 10.1109/ICL-GNSS.2017.8376256
O. Ogundipe, Yang Gao, Elizabeth Homer
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引用次数: 0
Latent force models in autonomous GNSS satellite orbit prediction 自主GNSS卫星轨道预测中的潜在力模型
2017 International Conference on Localization and GNSS (ICL-GNSS) Pub Date : 2017-06-01 DOI: 10.1109/ICL-GNSS.2017.8376242
Sakari Rautalin, S. Ali-Löytty, R. Piché
{"title":"Latent force models in autonomous GNSS satellite orbit prediction","authors":"Sakari Rautalin, S. Ali-Löytty, R. Piché","doi":"10.1109/ICL-GNSS.2017.8376242","DOIUrl":"https://doi.org/10.1109/ICL-GNSS.2017.8376242","url":null,"abstract":"In this paper, we present a method for improving autonomous GNSS satellite orbit prediction accuracy by including latent forces, i.e. forces that are estimated with broadcast ephemeris data. The purpose of autonomous prediction is to reduce the Time to First Fix of a stand-alone positioning device. Our orbit model includes gravity and solar radiation forces and initial state estimation algorithm. We present a state-space model for the latent forces, which are meant to correct the deficiencies of our force model, and we describe how latent forces are incorporated as a part of our prediction algorithm. Using a novel algorithm, where multiple ephemerides are used to estimate the latent forces, the orbit prediction accuracy for GPS, GLONASS and Beidou is significantly improved. For example, for 7-day prediction of GPS satellites, the 68% quantile of SISRE, which is an estimate of positioning accuracy, reduced 37.1%.","PeriodicalId":330366,"journal":{"name":"2017 International Conference on Localization and GNSS (ICL-GNSS)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128064572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
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