{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,12]],"date-time":"2026-02-12T17:41:32Z","timestamp":1770918092201,"version":"3.50.1"},"reference-count":27,"publisher":"Wiley","license":[{"start":{"date-parts":[[2020,2,28]],"date-time":"2020-02-28T00:00:00Z","timestamp":1582848000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["41874029"],"award-info":[{"award-number":["41874029"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["41904029"],"award-info":[{"award-number":["41904029"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"National Science Foundation for Distinguished Young Scholars of China","award":["41874029"],"award-info":[{"award-number":["41874029"]}]},{"name":"National Science Foundation for Distinguished Young Scholars of China","award":["41904029"],"award-info":[{"award-number":["41904029"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Sensors"],"published-print":{"date-parts":[[2020,2,28]]},"abstract":"<jats:p>Global Navigation Satellite System Real-Time Kinematic (GNSS-RTK) technology is widely used in vehicle navigation, but in complex environments such as urban high-rise street, wooded street, overpass, and tunnel, satellite signals are prone to attenuation or even unavailability. It brings great challenges to the continuous high-precision navigation. For this reason, a tightly coupled (TC) integration algorithm for GPS (Global Positioning System)\/BDS (BeiDou Navigation Satellite System)\/MEMS-INS (Micro-Electro-Mechanical System-Inertial Navigation System)\/Odometer (GCIO) is proposed for vehicle navigation in complex urban environments. The accuracy improvement and ambiguity resolution (AR) performance are analysed in this research. First of all, the INS positioning error is constrained by fusion GPS\/BDS (GC) and odometer; then, the predicted position information is used to aid GPS\/BDS ambiguity resolution. In GNSS-denied environments, the odometer\/INS integration is still carried out for continuous navigation. Real-time experiments are carried out in urban degraded and denied environments to validate the performance of the integrated system. In high-rise streets, the ambiguity fixing success rate of GCIO mode is 13.57% higher than that of GC mode. In the wooded street environment, the success rate has increased particularly significantly, by about 55 percent. The positioning accuracy analysis for open environment, high-rise street, wooded street, overpass, and tunnel is conducted. The experimental results show that in the above environment, the order of 0.1\u2009m positioning accuracy can be achieved in the case of satellite outage for 1 minute, which can meet the positioning needs in most scenarios.<\/jats:p>","DOI":"10.1155\/2020\/8670262","type":"journal-article","created":{"date-parts":[[2020,2,28]],"date-time":"2020-02-28T18:35:22Z","timestamp":1582914922000},"page":"1-15","source":"Crossref","is-referenced-by-count":7,"title":["Performance of Tightly Coupled Integration of GPS\/BDS\/MEMS-INS\/Odometer for Real-Time High-Precision Vehicle Positioning in Urban Degraded and Denied Environment"],"prefix":"10.1155","volume":"2020","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6249-8674","authenticated-orcid":true,"given":"Fei","family":"Liu","sequence":"first","affiliation":[{"name":"School of Environment Science and Spatial Informatics, China University of Mining and Technology (CUMT), Xuzhou 221116, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6229-3038","authenticated-orcid":true,"given":"Houzeng","family":"Han","sequence":"additional","affiliation":[{"name":"School of Geomatics and Urban Spatial Informatics, Beijing University of Civil Engineering and Architecture (BUCEA), Beijing 102616, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xin","family":"Cheng","sequence":"additional","affiliation":[{"name":"School of Geomatics and Urban Spatial Informatics, Beijing University of Civil Engineering and Architecture (BUCEA), Beijing 102616, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8565-7287","authenticated-orcid":true,"given":"Binghao","family":"Li","sequence":"additional","affiliation":[{"name":"School of Minerals and Energy Resources Engineering, University of New South Wales (UNSW), Sydney 2053, 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