GNSS Signal Distortion Estimation: A Comparative Analysis of L5 Signal from GPS II and GPS III

doi:10.3390/app12083791

NTSC-IR > 导航与通信研究室

	GNSS Signal Distortion Estimation: A Comparative Analysis of L5 Signal from GPS II and GPS III
	Wang, Meng 1,2; Lu, Xiaochun1,2 ; Rao, Yongnan1
	2022-04-01
发表期刊	APPLIED SCIENCES-BASEL
卷号	12 期号:8 页码:13
摘要	The nonlinear navigation payload transmission channel introduces errors at a system level, resulting in a distortion of the received signal and affecting differential positioning users. This work models the transmission channel of the navigation payload and uses the joint estimation algorithm to calculate the digital distortion and analog channel response of the transmission channel from the received signal. On the above basis, the algorithm and model are verified by GPS-L5 measured data, and the channel characteristics of GPS II and GPS III are deeply analyzed. The results show that the existing GPS IIF satellites have a digital distortion, which is negligible in GPS III satellites. Regarding the analog channel response, GPS III has better amplitude and group delay consistency than GPS II. Lastly, the ranging bias caused by the transmission channel of the navigation payload is provided to the user for reference, and GPS III is improved by approximately 0.02 m compared with GPS II. This study provides support for adjusting the satellite signal pre-distortion and enriches subsequent GNSS signal quality assessment work; it can also be used as a reference for differential positioning users.
关键词	GPS III GPS II signal distortion digital distortion analog distortion
资助者	Light of the West of the Chinese Academy of Sciences ; Light of the West of the Chinese Academy of Sciences ; Light of the West of the Chinese Academy of Sciences ; Light of the West of the Chinese Academy of Sciences ; Light of the West of the Chinese Academy of Sciences ; Light of the West of the Chinese Academy of Sciences ; Light of the West of the Chinese Academy of Sciences ; Light of the West of the Chinese Academy of Sciences
DOI	10.3390/app12083791
语种	英语
资助项目	Light of the West of the Chinese Academy of Sciences[29Y817YR000109]
资助者	Light of the West of the Chinese Academy of Sciences ; Light of the West of the Chinese Academy of Sciences ; Light of the West of the Chinese Academy of Sciences ; Light of the West of the Chinese Academy of Sciences ; Light of the West of the Chinese Academy of Sciences ; Light of the West of the Chinese Academy of Sciences ; Light of the West of the Chinese Academy of Sciences ; Light of the West of the Chinese Academy of Sciences
WOS研究方向	Chemistry ; Engineering ; Materials Science ; Physics
WOS类目	Chemistry, Multidisciplinary ; Engineering, Multidisciplinary ; Materials Science, Multidisciplinary ; Physics, Applied
WOS记录号	WOS:000785449100001
出版者	MDPI
引用统计
文献类型	期刊论文
条目标识符	http://210.72.145.45/handle/361003/13831
专题	导航与通信研究室
通讯作者	Wang, Meng
作者单位	1.Chinese Acad Sci, Natl Time Serv Ctr, Xian 71060, Peoples R China 2.Univ Chinese Acad Sci, Sch Elect Elect & Commun Engn, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Wang, Meng,Lu, Xiaochun,Rao, Yongnan. GNSS Signal Distortion Estimation: A Comparative Analysis of L5 Signal from GPS II and GPS III[J]. APPLIED SCIENCES-BASEL,2022,12(8):13.
APA	Wang, Meng,Lu, Xiaochun,&Rao, Yongnan.(2022).GNSS Signal Distortion Estimation: A Comparative Analysis of L5 Signal from GPS II and GPS III.APPLIED SCIENCES-BASEL,12(8),13.
MLA	Wang, Meng,et al."GNSS Signal Distortion Estimation: A Comparative Analysis of L5 Signal from GPS II and GPS III".APPLIED SCIENCES-BASEL 12.8(2022):13.