C. Tiberius, G. Janssen, J. Koelemeij, E. Dierikx, C. Diouf, H. Dun
This paper presents a terrestrial networked positioning system that obtains a reliable time reference from a national time scale realization and distributes it in a prototype to six roadside base stations through a fiber-optic Gigabit Ethernet network. Wireless wideband signals are transmitted by the base stations, thereby enabling positioning by a mobile receiver with an accuracy of one decimeter in a multipath urban environment. The scalability and compatibility of this sys-tem with existing telecommunication-network technologies paves the way for wide-area global navigation satellite system-independent back-up systems for timing and positioning with improved coverage and performance. The results presented in this paper are based on research carried out within the scope of a project funded by the Dutch Research Council (NWO, project 13970).
{"title":"Decimeter Positioning in an Urban Environment Through a Scalable Optical-Wireless Network","authors":"C. Tiberius, G. Janssen, J. Koelemeij, E. Dierikx, C. Diouf, H. Dun","doi":"10.33012/navi.589","DOIUrl":"https://doi.org/10.33012/navi.589","url":null,"abstract":"This paper presents a terrestrial networked positioning system that obtains a reliable time reference from a national time scale realization and distributes it in a prototype to six roadside base stations through a fiber-optic Gigabit Ethernet network. Wireless wideband signals are transmitted by the base stations, thereby enabling positioning by a mobile receiver with an accuracy of one decimeter in a multipath urban environment. The scalability and compatibility of this sys-tem with existing telecommunication-network technologies paves the way for wide-area global navigation satellite system-independent back-up systems for timing and positioning with improved coverage and performance. The results presented in this paper are based on research carried out within the scope of a project funded by the Dutch Research Council (NWO, project 13970).","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":"21 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86825206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
D. Dötterböck, T. Pany, R. Lesjak, T. Prechtl, A. Tabatabaei
{"title":"PRN Sequence Estimation with a Self-Calibrating 40-Element Antenna Array","authors":"D. Dötterböck, T. Pany, R. Lesjak, T. Prechtl, A. Tabatabaei","doi":"10.33012/navi.600","DOIUrl":"https://doi.org/10.33012/navi.600","url":null,"abstract":"","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":"2019 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73494157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Performance of GNSS-SDR for IRNSS L5 Signals Using a Low-Cost RF Front-End","authors":"Chittimalla Srinu, Laxminarayana Parayitam","doi":"10.33012/navi.573","DOIUrl":"https://doi.org/10.33012/navi.573","url":null,"abstract":"","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":"97 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80050083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Mitigation of Global Navigation Satellite System Cycle Slips Due to Scintillation Using Radio Backpropagation","authors":"Brian Breitsch, J. Morton","doi":"10.33012/navi.593","DOIUrl":"https://doi.org/10.33012/navi.593","url":null,"abstract":"","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":"120 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79436692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. Conrad, P. Axelrad, B. Haines, C. Zuffada, A. O'Brien
{"title":"Improved GPS-Based Single-Frequency Orbit Determination for the CYGNSS Spacecraft Using GipsyX","authors":"A. Conrad, P. Axelrad, B. Haines, C. Zuffada, A. O'Brien","doi":"10.33012/navi.565","DOIUrl":"https://doi.org/10.33012/navi.565","url":null,"abstract":"","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":"36 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87033121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cheng Liu, Shuai Xiong, Yongchao Geng, Song Cheng, Fang Hu, Bo Shao, Fang Li, J. Zhang
{"title":"An Embedded High-Precision GNSS-Visual-Inertial Multi-Sensor Fusion Suite","authors":"Cheng Liu, Shuai Xiong, Yongchao Geng, Song Cheng, Fang Hu, Bo Shao, Fang Li, J. Zhang","doi":"10.33012/navi.607","DOIUrl":"https://doi.org/10.33012/navi.607","url":null,"abstract":"","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":"123 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86191258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Satellite Constellation Design for a Lunar Navigation and Communication System","authors":"Sriramya Bhamidipati, T. Mina, A. Sanchez, G. Gao","doi":"10.33012/navi.613","DOIUrl":"https://doi.org/10.33012/navi.613","url":null,"abstract":",","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":"41 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85536058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"GPS Spoofing Mitigation and Timing Risk Analysis in Networked Phasor Measurement Units via Stochastic Reachability","authors":"Sriramya Bhamidipati, G. Gao","doi":"10.33012/navi.574","DOIUrl":"https://doi.org/10.33012/navi.574","url":null,"abstract":"","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":"8 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81086465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This paper describes the design, analysis, and experimental evaluation of a new landmark-based localization method that integrates light detection and ranging (lidar) with an inertial measurement unit (IMU). We develop a tight IMU/lidar integration scheme that exploits the complementary properties of the two sensors to facilitate safety risk evaluation. Lidar localization updates limit the IMU error drift over time while IMU data improve lidar position and orientation (or pose) prediction, thereby reducing the risk of incorrectly associating perceived features with mapped landmarks. In addition, lidar return-light intensity measurements are incorporated to better distinguish landmarks and to further reduce the risk of incorrect associations. We analyze the integrity performance of the localization algorithm using an automated testbed that generates analytical and empirical pose estimation error distributions.
{"title":"Analytical and Empirical Navigation Safety Evaluation of a Tightly Integrated Lidar/IMU Using Return-Light Intensity","authors":"Ali Hassani, Mathieu Joerger","doi":"10.33012/navi.623","DOIUrl":"https://doi.org/10.33012/navi.623","url":null,"abstract":"<h3>Summary</h3> This paper describes the design, analysis, and experimental evaluation of a new landmark-based localization method that integrates light detection and ranging (lidar) with an inertial measurement unit (IMU). We develop a tight IMU/lidar integration scheme that exploits the complementary properties of the two sensors to facilitate safety risk evaluation. Lidar localization updates limit the IMU error drift over time while IMU data improve lidar position and orientation (or pose) prediction, thereby reducing the risk of incorrectly associating perceived features with mapped landmarks. In addition, lidar return-light intensity measurements are incorporated to better distinguish landmarks and to further reduce the risk of incorrect associations. We analyze the integrity performance of the localization algorithm using an automated testbed that generates analytical and empirical pose estimation error distributions.","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135560429","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Welcome to the Fall 2023 issue of NAVIGATION . In this bumper issue, we feature 16 articles reporting on significant advances in PNT research covering topics such as improved modeling the ionosphere and further reducing its impact on positioning and navigation, the authentication of augmentation
{"title":"Navigator Notes","authors":"Richard B. Langley","doi":"10.33012/navi.587","DOIUrl":"https://doi.org/10.33012/navi.587","url":null,"abstract":"Welcome to the Fall 2023 issue of NAVIGATION . In this bumper issue, we feature 16 articles reporting on significant advances in PNT research covering topics such as improved modeling the ionosphere and further reducing its impact on positioning and navigation, the authentication of augmentation","PeriodicalId":56075,"journal":{"name":"Navigation-Journal of the Institute of Navigation","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135947799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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