On the Convergence of Ionospheric Constrained Precise Point Positioning (IC-PPP) Based on Undifferential Uncombined Raw GNSS Observations. - Hongping Zhang; Zhouzheng Gao; Maorong Ge; Xiaoji Niu; Ling Huang; Rui Tu; Xingxing Li (Sensors, 2013)

Tightly Coupled Integration of Ionosphere-Constrained Precise Point Positioning and Inertial Navigation Systems. - Zhouzheng Gao; Hongping Zhang; Maorong Ge; Xiaoji Niu; Wenbin Shen; Jens Wickert; Harald Schuh (Sensors, 2015)

Application of Helmert Variance Component Based Adaptive Kalman Filter in Multi-GNSS PPP/INS Tightly Coupled Integration. - Zhouzheng Gao; Wenbin Shen; Hongping Zhang; Maorong Ge; Xiaoji Niu (Remote. Sens., 2016)

Tightly-Coupled Integration of Multi-GNSS Single-Frequency RTK and MEMS-IMU for Enhanced Positioning Performance. - Tuan Li; Hongping Zhang; Xiaoji Niu; Zhouzheng Gao (Sensors, 2017)

Multi-Sensor Multi-Floor 3D Localization With Robust Floor Detection. - You Li 001; Zhouzheng Gao; Zhe He 002; Peng Zhang 042; Ruizhi Chen; Naser El-Sheimy (IEEE Access, 2018)

High-Accuracy Positioning in Urban Environments Using Single-Frequency Multi-GNSS RTK/MEMS-IMU Integration. - Tuan Li; Hongping Zhang; Zhouzheng Gao; Qijin Chen; Xiaoji Niu (Remote. Sens., 2018)

Toward Robust Crowdsourcing-Based Localization: A Fingerprinting Accuracy Indicator Enhanced Wireless/Magnetic/Inertial Integration Approach. - You Li 001; Zhe He 002; Zhouzheng Gao; Yuan Zhuang 001; Chuang Shi; Naser El-Sheimy (IEEE Internet Things J., 2019)

Tight Fusion of a Monocular Camera, MEMS-IMU, and Single-Frequency Multi-GNSS RTK for Precise Navigation in GNSS-Challenged Environments. - Tuan Li; Hongping Zhang; Zhouzheng Gao; Xiaoji Niu; Naser El-Sheimy (Remote. Sens., 2019)

IMU/Magnetometer/Barometer/Mass-Flow Sensor Integrated Indoor Quadrotor UAV Localization with Robust Velocity Updates. - You Li 001; Shady Zahran; Yuan Zhuang 001; Zhouzheng Gao; Yiran Luo; Zhe He 002; Ling Pei; Ruizhi Chen; Naser El-Sheimy (Remote. Sens., 2019)

The Integration of Photodiode and Camera for Visible Light Positioning by Using Fixed-Lag Ensemble Kalman Smoother. - Yuan Zhuang 001; Qin Wang; You Li 001; Zhouzheng Gao; Bingpeng Zhou; Longning Qi; Jun Yang 006; Ruizhi Chen; Naser El-Sheimy (Remote. Sens., 2019)

Robust Kalman Filter Aided GEO/IGSO/GPS Raw-PPP/INS Tight Integration. - Zhouzheng Gao; You Li 001; Yuan Zhuang 001; Honglei Yang; Yuanjin Pan; Hongping Zhang (Sensors, 2019)

Wireless Fingerprinting Uncertainty Prediction Based on Machine Learning. - You Li 001; Zhouzheng Gao; Zhe He 002; Yuan Zhuang 001; Ahmed Radi; Ruizhi Chen; Naser El-Sheimy (Sensors, 2019)

Visible Light Positioning and Navigation Using Noise Measurement and Mitigation. - Yuan Zhuang 001; Luchi Hua; Qin Wang; Yue Cao 002; Zhouzheng Gao; Longning Qi; Jun Yang 006; John Thompson 001 (IEEE Trans. Veh. Technol., 2019)

Location-Enabled IoT (LE-IoT): A Survey of Positioning Techniques, Error Sources, and Mitigation. - You Li 001; Yuan Zhuang 001; Xin Hu 006; Zhouzheng Gao; Jia Hu 001; Long Chen 005; Zhe He 002; Ling Pei; Kejie Chen; Maosong Wang; Xiaoji Niu; Ruizhi Chen; et al. (CoRR, 2020)

Inertial Sensing Meets Artificial Intelligence: Opportunity or Challenge? - You Li 001; Ruizhi Chen; Xiaoji Niu; Yuan Zhuang 001; Zhouzheng Gao; Xin Hu 006; Naser El-Sheimy (CoRR, 2020)

Modeling of multi-sensor tightly aided BDS triple-frequency precise point positioning and initial assessments. - Zhouzheng Gao; Maorong Ge; You Li 001; Yuanjin Pan; Qijin Chen; Hongping Zhang (Inf. Fusion, 2020)

Deep Reinforcement Learning (DRL): Another Perspective for Unsupervised Wireless Localization. - You Li 001; Xin Hu 006; Yuan Zhuang 001; Zhouzheng Gao; Peng Zhang 042; Naser El-Sheimy (IEEE Internet Things J., 2020)

Cost-Effective Localization Using RSS From Single Wireless Access Point. - You Li 001; Kunlun Yan; Zhe He 002; Yuqi Li; Zhouzheng Gao; Ling Pei; Ruizhi Chen; Naser El-Sheimy (IEEE Trans. Instrum. Meas., 2020)

Toward Location-Enabled IoT (LE-IoT): IoT Positioning Techniques, Error Sources, and Error Mitigation. - You Li 001; Yuan Zhuang 001; Xin Hu 006; Zhouzheng Gao; Jia Hu 001; Long Chen 005; Zhe He 002; Ling Pei; Kejie Chen; Maosong Wang; Xiaoji Niu; Ruizhi Chen; et al. (IEEE Internet Things J., 2021)

Improving Boundary Constraint of Probability Integral Method in SBAS-InSAR for Deformation Monitoring in Mining Areas. - Mengyao Shi; Honglei Yang; Baocun Wang; Junhuan Peng; Zhouzheng Gao; Bin Zhang (Remote. Sens., 2021)

Modeling and Assessment on The Tightly Coupled Integration of TWTOA-Based UWB and INS. - Lin Chen; Zhouzheng Gao; Qiaozhuang Xu; Xin Sui (IPIN, 2022)

Evaluation on Tightly Coupled Integration of GPS PPP and Different Interval IMU Data. - Junyao Kan; Zhouzheng Gao; Yu Min (IPIN-WiP, 2022)

Assessment on BDS-3 PPP/INS Tight Integration by Using Different Orbit/Clock Products. - Yu Min; Zhouzheng Gao; Jie Lv; Junyao Kan (IPIN-WiP, 2022)

Evaluation on Low-cost GNSS/IMU/Vision Integration System in GNSS-denied Environments. - Qiaozhuang Xu; Jie Lv; Zhouzheng Gao (IPIN, 2022)

Evaluation of BDS-3 B1C/B2b Single/Dual-Frequency PPP Using PPP-B2b and RTS SSR Products in Both Static and Dynamic Applications. - Ruohua Lan; Cheng Yang 005; Yanli Zheng; Qiaozhuang Xu; Jie Lv; Zhouzheng Gao (Remote. Sens., 2022)

Assessment of Real-Time GPS/BDS-2/BDS-3 Single-Frequency PPP and INS Tight Integration Using Different RTS Products. - Jie Lv; Zhouzheng Gao; Qiaozhuang Xu; Ruohua Lan; Cheng Yang 005; Junhuan Peng (Remote. Sens., 2022)

Investigation of Displacement and Ionospheric Disturbance during an Earthquake Using Single-Frequency PPP. - Jie Lv; Zhouzheng Gao; Cheng Yang 005; Yingying Wei; Junhuan Peng (Remote. Sens., 2022)

Inertial Sensing Meets Machine Learning: Opportunity or Challenge? - You Li 001; Ruizhi Chen; Xiaoji Niu; Yuan Zhuang 001; Zhouzheng Gao; Xin Hu 006; Naser El-Sheimy (IEEE Trans. Intell. Transp. Syst., 2022)

Comprehensive Evaluation of Data-Related Factors on BDS-3 B1I + B2b Real-Time PPP/INS Tightly Coupled Integration. - Junyao Kan; Zhouzheng Gao; Qiaozhuang Xu; Ruohua Lan; Jie Lv; Cheng Yang 005 (Remote. Sens., 2022)

Low-Cost IMU and Odometer Tightly Augmented PPP-B2b-Based Inter-Satellite Differenced PPP in Urban Environments. - Yu Min; Zhouzheng Gao; Jie Lv; Ruohua Lan; Qiaozhuang Xu; Cheng Yang 005 (Remote. Sens., 2023)

Tightly Coupled Integration of BDS-3 B2b RTK, IMU, Odometer, and Dual-Antenna Attitude. - Qiaozhuang Xu; Zhouzheng Gao; Jie Lv; Cheng Yang 005 (IEEE Internet Things J., 2023)

High-Accuracy Positioning in GNSS-Blocked Areas by Using the MSCKF-Based SF-RTK/IMU/Camera Tight Integration. - Qiaozhuang Xu; Zhouzheng Gao; Cheng Yang 005; Jie Lv (Remote. Sens., 2023)

Multi-Sensor and Analytical Constraints Tightly Augmented BDS-3 RTK for Vehicle-Borne Positioning. - Qiaozhuang Xu; Zhouzheng Gao; Jie Lv; Cheng Yang 005; You Li 001 (IEEE Trans. Intell. Transp. Syst., 2023)

LEO-Enhanced GNSS/INS Tightly Coupled Integration Based on Factor Graph Optimization in the Urban Environment. - Shixuan Zhang; Rui Tu; Zhouzheng Gao; Decai Zou; Siyao Wang; Xiaochun Lu (Remote. Sens., 2024)

Ranging Offset Calibration and Moving Average Filter Enhanced Reliable UWB Positioning in Classic User Environments. - Junhao Liu; Zhouzheng Gao; Yan Li; Siao Lv; Jia Liu; Cheng Yang 005 (Remote. Sens., 2024)

Reliable Positioning Model of Smartphone Sensors and User Motions Tightly Enhanced PDR. - Hangao Liu; Zhouzheng Gao; Liang Wang; Qiaozhuang Xu; Cheng Yang 005 (IEEE Internet Things J., 2024)

Credible Positioning of BDS RTK/INS Integration Based on Multi-Information Cross-Validation. - Qiaozhuang Xu; Zhouzheng Gao; Cheng Yang 005; Hongzhou Yang; Liang Wang (IEEE Trans. Intell. Transp. Syst., 2024)