{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,3]],"date-time":"2025-10-03T12:52:00Z","timestamp":1759495920248,"version":"3.37.3"},"reference-count":21,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","license":[{"start":{"date-parts":[[2019,1,1]],"date-time":"2019-01-01T00:00:00Z","timestamp":1546300800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["41604024","41804006"],"award-info":[{"award-number":["41604024","41804006"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Access"],"published-print":{"date-parts":[[2019]]},"DOI":"10.1109\/access.2019.2946221","type":"journal-article","created":{"date-parts":[[2019,10,8]],"date-time":"2019-10-08T19:56:07Z","timestamp":1570564567000},"page":"146813-146820","source":"Crossref","is-referenced-by-count":4,"title":["Preliminary Availability Assessment of Multi-GNSS: A Global Scale Analysis"],"prefix":"10.1109","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3578-3749","authenticated-orcid":false,"given":"Qinghua","family":"Zhang","sequence":"first","affiliation":[{"name":"State Key Laboratory of Disaster Prevention and Mitigation of Explosion and Impact, Army Engineering University of PLA, Nanjing, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0628-3470","authenticated-orcid":false,"given":"Zhengsheng","family":"Chen","sequence":"additional","affiliation":[{"name":"Operational Support College, Rocket Force University of Engineering, Xi’an, China"}]},{"given":"Fengjuan","family":"Rong","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Disaster Prevention and Mitigation of Explosion and Impact, Army Engineering University of PLA, Nanjing, China"}]},{"given":"Yang","family":"Cui","sequence":"additional","affiliation":[{"name":"Department of Military Facilities, Army Logistics University of PLA, Chongqing, China"}]}],"member":"263","reference":[{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1049\/ip-rsn:20000554"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2009.2017270"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1002\/j.2161-4296.2008.tb00419.x"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1007\/s10291-017-0649-y"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.2514\/4.866395"},{"key":"ref15","first-page":"554","author":"rycroft","year":"1996","journal-title":"Understanding GPS Principles and Applications"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1007\/s10291-016-0592-3"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1007\/s10291-006-0030-z"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1007\/s10291-018-0740-z"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1016\/j.asr.2015.10.024"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1007\/s10291-018-0712-3"},{"article-title":"GPS Status & Modernization Program","year":"2017","author":"gleckel","key":"ref3"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1007\/s00190-018-1170-y"},{"journal-title":"First Launch of GLONASS-K2 Satellite Planned for 2018","year":"2015","key":"ref5"},{"journal-title":"Latest Batch Of Galileo Satellites Enters Service","year":"2019","key":"ref8"},{"journal-title":"China’S Beidou Navigation Satellite Rival To US GPS Starts Global Services","year":"2018","author":"varma","key":"ref7"},{"journal-title":"Directions2018 The GPS year inreview","year":"2017","author":"whitney","key":"ref2"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1007\/s10291-017-0678-6"},{"journal-title":"Constellation Information European GNSS Service Centre","year":"2019","key":"ref9"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.3390\/s150100803"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1007\/s11434-011-4627-4"}],"container-title":["IEEE Access"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/6287639\/8600701\/08862816.pdf?arnumber=8862816","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,9,8]],"date-time":"2022-09-08T19:53:51Z","timestamp":1662666831000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/8862816\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019]]},"references-count":21,"URL":"https:\/\/doi.org\/10.1109\/access.2019.2946221","relation":{},"ISSN":["2169-3536"],"issn-type":[{"type":"electronic","value":"2169-3536"}],"subject":[],"published":{"date-parts":[[2019]]}}}