Path following for indoor robots with RFID received signal strength. - Ran Liu 007; Philipp Vorst; Artur Koch; Andreas Zell (SoftCOM, 2011)

Path following with passive UHF RFID received signal strength in unknown environments. - Ran Liu 007; Artur Koch; Andreas Zell (IROS, 2012)

Mapping UHF RFID tags with a mobile robot using a 3D sensor model. - Ran Liu 007; Artur Koch; Andreas Zell (IROS, 2013)

Toward Localizing both Static and Non-static RFID Tags with a Mobile Robot. - Ran Liu 007; Andreas Zell (IAS, 2014)

Dynamic objects tracking with a mobile robot using passive UHF RFID tags. - Ran Liu 007; Goran Huskic; Andreas Zell (IROS, 2014)

Design of an infrastructureless in-door localization device using an IMU sensor. - Tri-Nhut Do; Ran Liu 007; Chau Yuen; U-Xuan Tan (ROBIO, 2015)

On Tracking Dynamic Objects with Long Range Passive UHF RFID Using a Mobile Robot. - Ran Liu 007; Goran Huskic; Andreas Zell (Int. J. Distributed Sens. Networks, 2015)

Relative Positioning by Fusing Signal Strength and Range Information in a Probabilistic Framework. - Ran Liu 007; Chau Yuen; Tri-Nhut Do; Wei Guo; Xiang Liu 001; U-Xuan Tan (GLOBECOM Workshops, 2016)

Personal dead reckoning using IMU device at upper torso for walking and running. - Tri-Nhut Do; Ran Liu 007; Chau Yuen; U-Xuan Tan (IEEE SENSORS, 2016)

Selective AP-Sequence Based Indoor Localization without Site Survey. - Ran Liu 007; Chau Yuen; Jun Zhao 007; Jindong Guo; Ronghong Mo; Vishesh N. Pamadi; Xiang Liu 001 (VTC Spring, 2016)

Cooperative relative positioning of mobile users by fusing IMU inertial and UWB ranging information. - Ran Liu 007; Chau Yuen; Tri-Nhut Do; Dewei Jiao; Xiang Liu 001; U-Xuan Tan (ICRA, 2017)

Indoor positioning using similarity-based sequence and dead reckoning without training. - Ran Liu 007; Chau Yuen; Tri-Nhut Do; Ye Jiang; Xiang Liu 001; U-Xuan Tan (SPAWC, 2017)

Recent Advances in Indoor Localization: A Survey on Theoretical Approaches and Applications. - Ahmed Yassin Al-Dubai; Youssef Nasser; Mariette Awad; Ran Liu 007; Chau Yuen; Ronald Raulefs; Elias Aboutanios (IEEE Commun. Surv. Tutorials, 2017)

Localizing Heterogeneous Access Points using Similarity-based Sequence. - Ran Liu 007; Madhushanka Padmal; Marakkalage Sumudu Hasala; Thiruketheeswaran Shaganan; Chau Yuen; U-Xuan Tan (ICARM, 2018)

Follow a Human using a Mobile Robot Regardless of the Walking Speed. - Thiruketheeswaran Shaganan; Ran Liu 007; Chau Yuen; Marakkalage Sumudu Hasala; Madhushanka Padmal; U-Xuan Tan (ICARM, 2018)

Moving Object Localization Based on UHF RFID Phase and Laser Clustering. - Yulu Fu; Changlong Wang; Ran Liu 007; Gaoli Liang; Hua Zhang; Shafiq ur Réhman (Sensors, 2018)

Identifying Indoor Points of Interest via Mobile Crowdsensing: An Experimental Study. - Marakkalage Sumudu Hasala; Ran Liu 007; Sanjana Kadaba Viswanath; Chau Yuen (APWCS, 2019)

Mobile Robot Localization Based On Low-Cost LTE And Odometry In GPS-Denied Outdoor Environment. - Khairuldanial Ismail; Ran Liu 007; Jie Zheng; Chau Yuen; Yong Liang Guan 001; U-Xuan Tan (ROBIO, 2019)

Crowd-sensing Simultaneous Localization and Radio Fingerprint Mapping based on Probabilistic Similarity Models. - Ran Liu 007; Marakkalage Sumudu Hasala; Madhushanka Padmal; Thiruketheeswaran Shaganan; Chau Yuen; Yong Liang Guan 001; U-Xuan Tan (CoRR, 2019)

Continuously tracking of moving object by a combination of ultra-high frequency radio-frequency identification and laser range finder. - Yulu Fu; Ran Liu 007; Hua Zhang; Gaoli Liang; Shafiq ur Réhman; Lixiang Liu (Int. J. Distributed Sens. Networks, 2019)

Cooperative positioning for emergency responders using self IMU and peer-to-peer radios measurements. - Ran Liu 007; Chau Yuen; Tri-Nhut Do; Meng Zhang 010; Yong Liang Guan 001; U-Xuan Tan (Inf. Fusion, 2020)

Collaborative SLAM Based on WiFi Fingerprint Similarity and Motion Information. - Ran Liu 007; Marakkalage Sumudu Hasala; Madhushanka Padmal; Thiruketheeswaran Shaganan; Chau Yuen; Yong Liang Guan 001; U-Xuan Tan (IEEE Internet Things J., 2020)

An Innovative Approach to Track Moving Object based on RFID and Laser Ranging Information. - Gaoli Liang; Ran Liu 007; Yulu Fu; Hua Zhang; Heng Wang; Shafiq ur Réhman; Mingming Guo (KSII Trans. Internet Inf. Syst., 2020)

A Method of Multiple Dynamic Objects Identification and Localization Based on Laser and RFID. - Wenpeng Fu; Ran Liu 007; Heng Wang; Rashid Ali 004; Yongping He; Zhiqiang Cao; Zhenghong Qin (Sensors, 2020)

Relative Localization of Mobile Robots with Multiple Ultra-WideBand Ranging Measurements. - Zhiqiang Cao; Ran Liu 007; Chau Yuen; Achala Athukorala; Benny Kai Kiat Ng; Muraleetharan Mathanraj; U-Xuan Tan (IROS, 2021)

Collaborative Radio SLAM for Multiple Robots based on WiFi Fingerprint Similarity. - Ran Liu 007; Zhenghong Qin; Hua Zhang; Billy Pik Lik Lau; Khairuldanial Ismail; Achala Athukorala; Chau Yuen; Yong Liang Guan 001; U-Xuan Tan (ROBIO, 2021)

Systematic Review of Dynamic Multi-Object Identification and Localization: Techniques and Technologies. - Rashid Ali 004; Ran Liu 007; Yongping He; Anand Nayyar; Basit Qureshi (IEEE Access, 2021)

Tightly Coupling Fusion of UWB Ranging and IMU Pedestrian Dead Reckoning for Indoor Localization. - Rashid Ali 004; Ran Liu 007; Anand Nayyar; Basit Qureshi; Zhiqiang Cao (IEEE Access, 2021)

WiFi Fingerprint Clustering for Urban Mobility Analysis. - Marakkalage Sumudu Hasala; Billy Pik Lik Lau; Yuren Zhou; Ran Liu 007; Chau Yuen; Wei Quin Yow; Keng Hua Chong (IEEE Access, 2021)

Cost-effective Mapping of Mobile Robot Based on the Fusion of UWB and Short-range 2D LiDAR. - Ran Liu 007; Yongping He; Chau Yuen; Billy Pik Lik Lau; Rashid Ali 004; Wenpeng Fu; Zhiqiang Cao (CoRR, 2021)

Efficient WiFi LiDAR SLAM for Autonomous Robots in Large Environments. - Khairuldanial Ismail; Ran Liu 007; Zhenghong Qin; Achala Athukorala; Billy Pik Lik Lau; Muhammad Shalihan; Chau Yuen; U-Xuan Tan (CASE, 2022)

NLOS Ranging Mitigation with Neural Network Model for UWB Localization. - Muhammad Shalihan; Ran Liu 007; Chau Yuen (CASE, 2022)

Distributed Ranging SLAM for Multiple Robots with Ultra-WideBand and Odometry Measurements. - Ran Liu 007; Zhongyuan Deng; Zhiqiang Cao; Muhammad Shalihan; Billy Pik Lik Lau; Kaixiang Chen; Kaushik Bhowmik; Chau Yuen; U-Xuan Tan (IROS, 2022)

Clustering and Analysis of GPS Trajectory Data Using Distance-Based Features. - Zann Koh; Yuren Zhou; Billy Pik Lik Lau; Ran Liu 007; Keng Hua Chong; Chau Yuen (IEEE Access, 2022)

Multi-AGV's Temporal Memory-Based RRT Exploration in Unknown Environment. - Billy Pik Lik Lau; Brandon Jin Yang Ong; Leonard Kin Yung Loh; Ran Liu 007; Chau Yuen; Gim Song Soh; U-Xuan Tan (IEEE Robotics Autom. Lett., 2022)

A Robotic System of Systems for Human-Robot Collaboration in Search and Rescue Operations. - Teng Hooi Chan; James Kusuma Dewa Halim; Kian Wee Tan; Emmanuel Tang; Wei Jun Ang; Jin Yuan Tan; Samuel Cheong; Hoan-Nghia Ho; Benson Kuan; Muhammad Shalihan; Ran Liu 007; Gim Song Soh; et al. (AIM, 2023)

Moving Object Localization based on the Fusion of Ultra-WideBand and LiDAR with a Mobile Robot. - Muhammad Shalihan; Zhiqiang Cao; Khattiya Pongsirijinda; Lin Guo; Billy Pik Lik Lau; Ran Liu 007; Chau Yuen; U-Xuan Tan (ROBIO, 2023)

Intelligent Driver Model-Based Vehicular Ad Hoc Network Communication in Real-Time Using 5G New Radio Wireless Networks. - Rashid Ali 004; Ran Liu 007; Anand Nayyar; Idrees Waris; Linjing Li; Mohd Asif Shah (IEEE Access, 2023)

Exploiting Radio Fingerprints for Simultaneous Localization and Mapping. - Ran Liu 007; Billy Pik Lik Lau; Khairuldanial Ismail; Achala Chathuranga; Chau Yuen; Simon X. Yang; Yong Liang Guan 001; Shiwen Mao; U-Xuan Tan (IEEE Pervasive Comput., 2023)

Water Surface Targets Detection Based on the Fusion of Vision and LiDAR. - Lin Wang 081; Yufeng Xiao; Baorui Zhang; Ran Liu 007; Bin Zhao (Sensors, 2023)

Emotion Classification from Multi-Band Electroencephalogram Data Using Dynamic Simplifying Graph Convolutional Network and Channel Style Recalibration Module. - Xiaoliang Zhu; Gendong Liu; Liang Zhao 016; Wenting Rong; Junyi Sun; Ran Liu 007 (Sensors, 2023)

Joint Optimization of Multi-User Partial Offloading Strategy and Resource Allocation Strategy in D2D-Enabled MEC. - Dongping Yong; Ran Liu 007; Xiaolin Jia; Yajun Gu (Sensors, 2023)

EasyAPPos: Positioning Wi-Fi Access Points by Using a Mobile Phone. - Wan-Ting Shih; Chao-Kai Wen; Shang-Ho Tsai; Ran Liu 007; Chau Yuen (IEEE Internet Things J., 2023)

UWB Radar SLAM: An Anchorless Approach in Vision Denied Indoor Environments. - H. A. G. C. Premachandra; Ran Liu 007; Chau Yuen; U-Xuan Tan (IEEE Robotics Autom. Lett., 2023)

Reconfigurable Multi-Robot Formation via Ultra-Wideband Ranging in Unknown Environments. - Lin Guo; Ran Liu 007; Zhongyuan Deng; Yufeng Xiao (IEEE Control. Syst. Lett., 2024)

Distributed multi-robot potential-field-based exploration with submap-based mapping and noise-augmented strategy. - Khattiya Pongsirijinda; Zhiqiang Cao; Kaushik Bhowmik; Muhammad Shalihan; Billy Pik Lik Lau; Ran Liu 007; Chau Yuen; U-Xuan Tan (Robotics Auton. Syst., 2024)

WiFi Similarity-Based Odometry. - Khairuldanial Ismail; Ran Liu 007; Achala Athukorala; Benny Kai Kiat Ng; Chau Yuen; U-Xuan Tan (IEEE Trans Autom. Sci. Eng., 2024)

TransPathNet: A Novel Two-Stage Framework for Indoor Radio Map Prediction. - Xin Li 084; Ran Liu 007; Saihua Xu; Sirajudeen Gulam Razul; Chau Yuen (ICASSP, 2025)

Localization through mitigating and compensating UWB NLOS ranging error with neural network. - Muhammad Shalihan; Zhiqiang Cao; Khattiya Pongsirijinda; Benny Kai Kiat Ng; Billy Pik Lik Lau; Ran Liu 007; Chau Yuen; U-Xuan Tan (Digit. Signal Process., 2025)

MSF-GhostNet: Computationally Efficient YOLO for Detecting Drones in Low-Light Conditions. - Maham Misbah; Misha Urooj Khan; Zeeshan Kaleem; Ali H. Muqaibel; Muhammad Zeshan Alam; Ran Liu 007; Chau Yuen (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2025)

MEF-Explore: Communication-Constrained Multi-Robot Entropy-Field-Based Exploration. - Khattiya Pongsirijinda; Zhiqiang Cao; Billy Pik Lik Lau; Ran Liu 007; Chau Yuen; U-Xuan Tan (IEEE Trans Autom. Sci. Eng., 2025)

Distributed Relative Localization Based on Ultra-Wideband and LiDAR for Multirobot With Limited Communication. - Zhiqiang Cao; Ran Liu 007; Billy Pik Lik Lau; Chau Yuen; U-Xuan Tan (IEEE Trans. Instrum. Meas., 2025)

CiC-NET: a real-time semantic segmentation network for dam surface crack detection. - Linjing Li; Hao Zhao; Ran Liu 007; Anand Nayyar; Rashid Ali 004; Yonglong Li; Hua Zhang (Multim. Tools Appl., 2025)