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Signal Process."],"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Reliable urban navigation using global navigation satellite system requires accurately estimating vehicle position despite measurement faults and monitoring the trustworthiness (or integrity) of the estimated location. However, reflected signals in urban areas introduce biases (or faults) in multiple measurements, while blocked signals reduce the number of available measurements, hindering robust localization and integrity monitoring. This paper presents a novel particle filter framework to address these challenges. First, a Bayesian fault-robust optimization task, formulated through a Gaussian mixture model (GMM) measurement likelihood, is integrated into the particle filter to mitigate faults in multiple measurement for enhanced positioning accuracy. Building on this, a novel test statistic leveraging the particle filter distribution and the GMM likelihood is devised to monitor the integrity of the localization by detecting errors exceeding a safe threshold. The performance of the proposed framework is demonstrated on real-world and simulated urban driving data. Our localization algorithm consistently achieves smaller positioning errors compared to existing filters under multiple faults. Furthermore, the proposed integrity monitor exhibits fewer missed and false alarms in detecting unsafe large localization errors.<\/jats:p>","DOI":"10.1186\/s13634-024-01150-2","type":"journal-article","created":{"date-parts":[[2024,4,21]],"date-time":"2024-04-21T02:54:09Z","timestamp":1713668049000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Reliable urban vehicle localization under faulty satellite navigation signals"],"prefix":"10.1186","volume":"2024","author":[{"given":"Shubh","family":"Gupta","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1807-8637","authenticated-orcid":false,"given":"Grace X.","family":"Gao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,4,20]]},"reference":[{"issue":"4","key":"1150_CR1","doi-asserted-by":"publisher","first-page":"563","DOI":"10.5370\/JEET.2011.6.4.563","volume":"6","author":"JS Ahn","year":"2011","unstructured":"J.S. 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