Accounting BDS3-BDS2 inter-system biases for precise time transfer

doi:10.1016/j.measurement.2020.107566

	Accounting BDS3-BDS2 inter-system biases for precise time transfer
	Qin, Weijin1,2,3 ; Ge, Yulong 1,2,3; Zhang, Zhe 1,2,3; Su, Hang 1,2,3; Wei, Pei 1,2,3; Yang, Xuhai 1,2,4
	2020-05-01
发表期刊	MEASUREMENT
ISSN	0263-2241
卷号	156 页码:9
摘要	The rapid development of BDS not only brings opportunities but also new problems. This article has been verified that the biases exist between BDS-2 and BDS-3 precise point positioning time transfer. We defined internal biases of BDS as Time Delay Bias (TDB) for a distinguish with inter system biases (ISB) exists in different systems. Motivated by the bias, we make comprehensive analysis for determining the characteristics of TDB referring to all the receivers capable of BDS-2 along with BDS-3 signals, furtherly, three kinds of TDB stochastic model are designed for parameter estimation. Later, the influence on time transfer with different TDB estimation strategy is compared in the end. We have some findings: (1) It is confirmed that TDB indeed exists in JAVAD TRE_3, CETC-54-GMR-4016, GNSS GGR and UB4B0-13478 receivers. Without external frequency source, the characteristics of TDB is related to the receiver itself. With the same external frequency source, TDB tendency of two receivers show the same evolution. (2) It is concluded that the STD (Standard Deviation) and stability of TDB estimated with random walk model and constant model is superior to white noise model because of strong correlation among TDB time series. (3) It is verified that the stability of time transfer estimated as random walk model and constant model is smaller than that of white noise model, what is more, when the two sides were receivers of different brands, the significant deviation exists in the clock offset with TDB estimation and without TDB estimation. When the two sides are receiver of the same brand, marginal deviation exists in the clock offset with TDB estimation and without TDB estimation. (C) 2020 Elsevier Ltd. All rights reserved.
关键词	BDS-3 Time delay bias (TDB) Stochastic modeling Precise point positioning (PPP) Time transfer
资助者	National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences
DOI	10.1016/j.measurement.2020.107566
关键词[WOS]	BEIDOU ; GPS ; GLONASS
语种	英语
资助项目	National Natural Science Foundation of China[11703033] ; CAS "Light of West China" Program ; Youth Promotion Committee of the Chinese Academy of Sciences
资助者	National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Youth Promotion Committee of the Chinese Academy of Sciences ; Youth Promotion Committee of the Chinese Academy of Sciences
WOS研究方向	Engineering ; Instruments & Instrumentation
WOS类目	Engineering, Multidisciplinary ; Instruments & Instrumentation
WOS记录号	WOS:000519983300001
出版者	ELSEVIER SCI LTD
引用统计
文献类型	期刊论文
条目标识符	http://210.72.145.45/handle/361003/9454
专题	高精度时间传递与精密测定轨研究室
通讯作者	Qin, Weijin
作者单位	1.Chinese Acad Sci, Natl Time Serv Ctr, Xian 710600, Peoples R China 2.Chinese Acad Sci, Key Lab Precise Positioning & Timing Technol, Xian 710600, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Qin, Weijin,Ge, Yulong,Zhang, Zhe,et al. Accounting BDS3-BDS2 inter-system biases for precise time transfer[J]. MEASUREMENT,2020,156:9.
APA	Qin, Weijin,Ge, Yulong,Zhang, Zhe,Su, Hang,Wei, Pei,&Yang, Xuhai.(2020).Accounting BDS3-BDS2 inter-system biases for precise time transfer.MEASUREMENT,156,9.
MLA	Qin, Weijin,et al."Accounting BDS3-BDS2 inter-system biases for precise time transfer".MEASUREMENT 156(2020):9.