{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T06:40:14Z","timestamp":1774334414232,"version":"3.50.1"},"reference-count":16,"publisher":"IEEE","license":[{"start":{"date-parts":[[2020,4,1]],"date-time":"2020-04-01T00:00:00Z","timestamp":1585699200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2020,4,1]],"date-time":"2020-04-01T00:00:00Z","timestamp":1585699200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,4]]},"DOI":"10.1109\/plans46316.2020.9109929","type":"proceedings-article","created":{"date-parts":[[2020,6,8]],"date-time":"2020-06-08T18:04:27Z","timestamp":1591639467000},"page":"639-646","source":"Crossref","is-referenced-by-count":12,"title":["Evaluating GNSS Navigation Availability in 3-D Mapped Urban Environments"],"prefix":"10.1109","author":[{"given":"Kana","family":"Nagai","sequence":"first","affiliation":[{"name":"Mechanical and Aerospace Engineering, Illinois Institute of Technology,Chicago,IL,USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Titilayo","family":"Fasoro","sequence":"additional","affiliation":[{"name":"Aerospace Engineering, Illinois Institute of Technology,Chicago,IL,USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matthew","family":"Spenko","sequence":"additional","affiliation":[{"name":"Mechanical and Aerospace Engineering, Illinois Institute of Technology,Chicago,IL,USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ron","family":"Henderson","sequence":"additional","affiliation":[{"name":"Landscape Architecture &#x002B; Urbanism, Illinois Institute of Technology,Chicago,IL,USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Boris","family":"Pervan","sequence":"additional","affiliation":[{"name":"Mechanical and Aerospace Engineering, Illinois Institute of Technology,Chicago,IL,USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"263","reference":[{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.4271\/12-02-03-0012"},{"key":"ref11","article-title":"Worldwide map files for any design program","year":"0","journal-title":"cadmapper"},{"key":"ref12","article-title":"Data Repository","year":"0","journal-title":"International GNSS Service"},{"key":"ref13","article-title":"Building Footprints (current): City of Chicago: Data Portal","year":"0","journal-title":"Chicago"},{"key":"ref14","article-title":"Dynamic Overshadowing","year":"0","journal-title":"andrewmarsh com"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1145\/320941.320947"},{"key":"ref16","first-page":"3123","article-title":"Optimal INS\/GNSS Coupling for Autonomous Car Positioning Integrity","author":"cagatay","year":"2019","journal-title":"Proceedings of the 32nd International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2019)"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1109\/WPNC.2018.8555856"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1109\/EUCAP.2006.4584889"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1109\/ITSC.2013.6728447"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/SSD.2012.6198054"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.33012\/2019.16957"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.33012\/2019.16899"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1017\/S0373463311000087"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1109\/ICRA.2019.8794115"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1515\/jogs-2015-0006"}],"event":{"name":"2020 IEEE\/ION Position, Location and Navigation Symposium (PLANS)","location":"Portland, OR, USA","start":{"date-parts":[[2020,4,20]]},"end":{"date-parts":[[2020,4,23]]}},"container-title":["2020 IEEE\/ION Position, Location and Navigation Symposium (PLANS)"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/9102203\/9109801\/09109929.pdf?arnumber=9109929","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,7,25]],"date-time":"2025-07-25T17:54:37Z","timestamp":1753466077000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/9109929\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,4]]},"references-count":16,"URL":"https:\/\/doi.org\/10.1109\/plans46316.2020.9109929","relation":{},"subject":[],"published":{"date-parts":[[2020,4]]}}}