Multi-GNSS real-time precise point positioning using BDS-3 global short-message communication to broadcast corrections Tao GengZhuang MaJuanjuan Li Original Article 30 June 2022 Article: 99
Doppler frequency-code phase division multiple access technique for LEO navigation signals Wang SixinTang XiaomeiZhaowen Zhuang Original Article 28 June 2022 Article: 98
Scalar and vector tracking loop simulation based on a uniform semi-analytic model and robustness analysis in multipath/NLOS situations Qiongqiong JiaLi-Ta HsuRenbiao Wu Original Article 27 June 2022 Article: 97
A multipath mitigation method in long-range RTK for deformation monitoring Dezhong ChenShirong YeWeiping Jiang Original Article 26 June 2022 Article: 96
Statistical study on the CSES radio occultation data and its quality control in electron density inversion Shengfeng GuChengkun GanJingnan Liu Original Article 25 June 2022 Article: 95
A GPS signal-in-space simulation model for equatorial and low latitudes in the Brazilian longitude sector Teddy Modesto Surco EspejoEmanoel CostaJoão Francisco Galera Monico Original Article 24 June 2022 Article: 94
Positioning performance of the Neustrelitz total electron content model driven by Galileo Az coefficients Juan Andrés CahuasquíMohammed Mainul HoqueNorbert Jakowski Original Article Open access 23 June 2022 Article: 93
A sequential ambiguity selection strategy for partial ambiguity resolution during RTK positioning in urban areas Zhen LiGuoliang XuQile Zhao Original Article 21 June 2022 Article: 92
Detection of synchronous spoofing on a GNSS receiver using weighed double ratio metrics Yiwei WangYanhong KouZhigang Huang Original Article 20 June 2022 Article: 91
Open-source optimization method for android smartphone single point positioning Changhui JiangYuwei ChenJuha Hyyppa GPS Toolbox Open access 18 June 2022 Article: 90
Modeling and predicting inter-frequency clock bias of BDS-2 GEO, IGSO and MEO satellites for triple-frequency precise point positioning Zhehao ZhangLin Pan Original Article 14 June 2022 Article: 89
Assessing partial ambiguity resolution and WZTD-constraint multi-frequency RTK in an urban environment using new BDS signals Yu LiuZhouzheng GaoLiang Chen Original Article 13 June 2022 Article: 88
Three time spoofing algorithms for GNSS timing receivers and performance evaluation Yangjun GaoGuangyun Li Original Article 11 June 2022 Article: 87
SBAS ionospheric grid delay estimation based on ionospheric tomography: a case study on September 7–9, 2017 Ping YinShengran ShiDandan Ren Original Article Open access 08 June 2022 Article: 86
SVR and ARIMA models as machine learning solutions for solving the latency problem in real-time clock corrections Mutaz QafishehAngel MartínAna B. Anquela Original Article Open access 08 June 2022 Article: 85
A unified model of GNSS phase/code bias calibration for PPP ambiguity resolution with GPS, BDS, Galileo and GLONASS multi-frequency observations Xin LiXingxing LiJiaqi Wu Original Article 01 June 2022 Article: 84
A new parallel algorithm for improving the computational efficiency of multi-GNSS precise orbit determination Xinghan ChenMaorong GeHarald Schuh Original Article Open access 27 May 2022 Article: 83
Non-consecutive GNSS signal tracking-based ultra-tight integration system of GNSS/INS for smart devices Baoyu LiuYang GaoMouyan Wu Original Article 23 May 2022 Article: 82
Implementation and performance analysis of the PDR/GNSS integration on a smartphone Changhui JiangYuwei ChenJuha Hyyppa GPS Toolbox Open access 20 May 2022 Article: 81
Performance evaluation of BDS-2/BDS-3 combined precise time transfer with B1I/B2I/B3I/B1C/B2a five-frequency observations Wei XuChao YanJian Chen Original Article 18 May 2022 Article: 80
Uniqueness and hyperconic geometry of positioning with biased distance measurements M. Hou Original Article Open access 14 May 2022 Article: 79
A low-cost integrated navigation system based on factor graph nonlinear optimization for autonomous flight Sina TaghizadehMohsen NezhadshahbodaghiMohammad Reza Mosavi Original Article 13 May 2022 Article: 78
Development of a hybrid tomography model based on principal component analysis of the atmospheric dynamics and GPS tracking data Elaheh SadeghiMasoud Mashhadi HossainaliAbdolreza Safari Original Article 11 May 2022 Article: 77
Multi-frequency phase-only PPP-RTK model applied to BeiDou data Pengyu HouBaocheng ZhangJiuping Zha Original Article 10 May 2022 Article: 76
Conjugated asymmetry of the onset and magnitude of GPS scintillation driven by the vertical plasma drift J. SousasantosM. A. AbduB. J. Affonso Original Article 09 May 2022 Article: 75
Outliers and uncertainties in GNSS ZTD estimates from double-difference processing and precise point positioning Katarzyna StępniakOlivier BockPaweł Wielgosz Original Article 29 April 2022 Article: 74
Real-time monitoring of GPS flex power based on machine learning Xin YangWenxiang LiuFeixue Wang Original Article 23 April 2022 Article: 73
An empirical model for the attitude mode switch maneuvers of QZS-1 satellite Yongqiang YuanXingxing LiKeke Zhang Original Article 23 April 2022 Article: 72
GNSS carrier phase time-variant observable-specific signal bias (OSB) handling: an absolute bias perspective in multi-frequency PPP Ke SuShuanggen JinGuoqiang Jiao Original Article 22 April 2022 Article: 71
A coalescent grid model of weighted mean temperature for China region based on feedforward neural network algorithm Mingchen ZhuXianwen YuWei Sun Original Article 16 April 2022 Article: 70
Global forecasting of ionospheric vertical total electron contents via ConvLSTM with spectrum analysis Jinpei ChenNan ZhiShaojun Feng Original Article 13 April 2022 Article: 69
A fast GNSS satellite selection algorithm for continuous real-time positioning Quanzhou YuYongqing WangYuyao Shen Original Article 13 April 2022 Article: 68
An accurate train positioning method using tightly-coupled GPS + BDS PPP/IMU strategy Wei JiangMengyang LiuJian Wang Original Article 08 April 2022 Article: 67
An efficient method for undifferenced BDS-2/BDS-3 high-rate clock estimation Xinyun CaoKaifa KuangJiancheng Li Original Article 07 April 2022 Article: 66
Galileo high accuracy service: initial definition and performance Ignacio Fernandez-HernandezAdrián Chamorro-MorenoAlvaro Mozo Original Article 07 April 2022 Article: 65
Optical crosslinks and satellite synchronization for GNSS, communications, and beyond Zachary WarrenRenny Fields Original Article 05 April 2022 Article: 64