@book{93698,
	author = {China Satellite Navigation Conference and Sun, Jiadong,},
	title = {China Satellite Navigation Conference (CSNC) 2020 Proceedings.},
	publisher = {Springer,},
	year = {2020},
	series = {Lecture notes in electrical engineering},
	address = {Singapore :},
	note = {International conference proceedings},
	url = {https://link-springer-com.libraryumpsa.idm.oclc.org/book/10.1007/978-981-15-3707-3}
}