High-accuracy positioning in urban environments using single-frequency multi-GNSS RTK/MEMS-IMU integration T Li, H Zhang, Z Gao, Q Chen, X Niu Remote sensing 10 (2), 205, 2018 | 135 | 2018 |

Toward location-enabled IoT (LE-IoT): IoT positioning techniques, error sources, and error mitigation Y Li, Y Zhuang, X Hu, Z Gao, J Hu, L Chen, Z He, L Pei, K Chen, M Wang, ... IEEE Internet of Things Journal 8 (6), 4035-4062, 2020 | 131 | 2020 |

Tight fusion of a monocular camera, MEMS-IMU, and single-frequency multi-GNSS RTK for precise navigation in GNSS-challenged environments T Li, H Zhang, Z Gao, X Niu, N El-Sheimy Remote Sensing 11 (6), 610, 2019 | 103 | 2019 |

Toward robust crowdsourcing-based localization: A fingerprinting accuracy indicator enhanced wireless/magnetic/inertial integration approach Y Li, Z He, Z Gao, Y Zhuang, C Shi, N El-Sheimy IEEE Internet of Things Journal 6 (2), 3585-3600, 2018 | 102 | 2018 |

On the convergence of ionospheric constrained precise point positioning (IC-PPP) based on undifferential uncombined raw GNSS observations H Zhang, Z Gao, M Ge, X Niu, L Huang, R Tu, X Li Sensors 13 (11), 15708-15725, 2013 | 91 | 2013 |

Deep reinforcement learning (DRL): Another perspective for unsupervised wireless localization Y Li, X Hu, Y Zhuang, Z Gao, P Zhang, N El-Sheimy ieee internet of things journal 7 (7), 6279-6287, 2019 | 89 | 2019 |

Tightly coupled integration of multi-GNSS PPP and MEMS inertial measurement unit data Z Gao, H Zhang, M Ge, X Niu, W Shen, J Wickert, H Schuh GPS solutions 21, 377-391, 2017 | 86 | 2017 |

Tightly-coupled integration of multi-GNSS single-frequency RTK and MEMS-IMU for enhanced positioning performance T Li, H Zhang, X Niu, Z Gao Sensors 17 (11), 2462, 2017 | 62 | 2017 |

Multi-sensor multi-floor 3D localization with robust floor detection Y Li, Z Gao, Z He, P Zhang, R Chen, N El-Sheimy IEEE Access 6, 76689-76699, 2018 | 55 | 2018 |

Wireless fingerprinting uncertainty prediction based on machine learning Y Li, Z Gao, Z He, Y Zhuang, A Radi, R Chen, N El-Sheimy Sensors 19 (2), 324, 2019 | 47 | 2019 |

Application of Helmert variance component based adaptive Kalman filter in multi-GNSS PPP/INS tightly coupled integration Z Gao, W Shen, H Zhang, M Ge, X Niu Remote Sensing 8 (7), 553, 2016 | 47 | 2016 |

Railway irregularity measuring using Rauch–Tung–Striebel smoothed multi-sensors fusion system: Quad-GNSS PPP, IMU, odometer, and track gauge Z Gao, M Ge, Y Li, W Shen, H Zhang, H Schuh Gps Solutions 22, 1-14, 2018 | 45 | 2018 |

Ionospheric and receiver DCB-constrained multi-GNSS single-frequency PPP integrated with MEMS inertial measurements Z Gao, M Ge, W Shen, H Zhang, X Niu Journal of Geodesy 91, 1351-1366, 2017 | 44 | 2017 |

Inertial sensing meets machine learning: Opportunity or challenge? Y Li, R Chen, X Niu, Y Zhuang, Z Gao, X Hu, N El-Sheimy IEEE Transactions on Intelligent Transportation Systems, 2021 | 38 | 2021 |

Tightly coupled integration of ionosphere-constrained precise point positioning and inertial navigation systems Z Gao, H Zhang, M Ge, X Niu, W Shen, J Wickert, H Schuh Sensors 15 (3), 5783-5802, 2015 | 38 | 2015 |

IMU/magnetometer/barometer/mass-flow sensor integrated indoor quadrotor UAV localization with robust velocity updates Y Li, S Zahran, Y Zhuang, Z Gao, Y Luo, Z He, L Pei, R Chen, ... Remote Sensing 11 (7), 838, 2019 | 33 | 2019 |

Odometer, low-cost inertial sensors, and four-GNSS data to enhance PPP and attitude determination Z Gao, M Ge, Y Li, Q Chen, Q Zhang, X Niu, H Zhang, W Shen, H Schuh GPS Solutions 22, 1-16, 2018 | 32 | 2018 |

Visible light positioning and navigation using noise measurement and mitigation Y Zhuang, L Hua, Q Wang, Y Cao, Z Gao, L Qi, J Yang, J Thompson IEEE Transactions on Vehicular Technology 68 (11), 11094-11106, 2019 | 30 | 2019 |

Evaluation on the impact of IMU grades on BDS+ GPS PPP/INS tightly coupled integration Z Gao, M Ge, W Shen, Y Li, Q Chen, H Zhang, X Niu Advances in space research 60 (6), 1283-1299, 2017 | 29 | 2017 |

Cost-effective localization using RSS from single wireless access point Y Li, K Yan, Z He, Y Li, Z Gao, L Pei, R Chen, N El-Sheimy IEEE Transactions on Instrumentation and Measurement 69 (5), 1860-1870, 2019 | 27 | 2019 |