| Home | Biography | Publications | Services and Recognitions |

Preprints

  1. RadioLAM: A Large AI Model for Fine-Grained 3D Radio Map Estimation
    Zhiyuan Liu, Qingyu Liu, Shuhang Zhang, Hongliang Zhang, and Lingyang Song
    arXiv:2509.11571, 2025

Journal Articles

  1. CollaboRadio: A Hybrid Device-Edge-Cloud Collaboration Paradigm for Fine-Grained Radio Map Construction
    Shuai Shao, Lu Cheng, Ke Chen, Qingyu Liu*, Shuhang Zhang, Hongliang Zhang, and Lingyang Song*
    IEEE Transactions on Mobile Computing (TMC), 2025, early access

  2. WiFi-Diffusion: Achieving Fine-Grained WiFi Radio Map Estimation with Ultra-Low Sampling Rate by Diffusion Models
    Zhiyuan Liu, Shuhang Zhang, Qingyu Liu*, Hongliang Zhang*, and Lingyang Song
    IEEE Journal on Selected Areas in Communications (JSAC), 2025, early access

  3. Eywa: A General Framework for Scheduler Design in AoI Optimization
    Chengzhang Li, Shaoran Li, Qingyu Liu, Y. Thomas Hou*, Wenjing Lou, and Sastry Kompella
    IEEE Internet of Things Journal (IoT-J), vol. 12, issue 14, pp. 26255-26269, July 2025

  4. Intelligent Omni-Surfaces for Simultaneous Beamforming and Anti-Jamming
    Yuhan Wang, Shuhao Zeng, Hongliang Zhang*, Qingyu Liu, and Lingyang Song*
    IEEE Transactions on Wireless Communications (TWC), vol. 24, issue 4, pp. 3289-3304, April 2025

  5. Scheduling with Soft Age of Information Deadlines
    Chengzhang Li, Qingyu Liu, Shaoran Li, Yongce Chen, Y. Thomas Hou*, Wenjing Lou, and Sastry Kompella
    IEEE Internet of Things Journal (IoT-J), vol. 12, issue 6, pp. 7133-7148, March 2025

  6. Minimizing Emission for Timely Heavy-Duty Truck Transportation
    Junyan Su, Runzhi Zhou, Qingyu Liu, Wenjie Xu, Minghua Chen*, and Haibo Zeng*
    IEEE Transactions on Intelligent Transportation Systems (TITS), vol. 26, issue 2, pp. 1454-1469, February 2025

  7. Large Models for Aerial Edges: An Edge-Cloud Model Evolution and Communication Paradigm
    Shuhang Zhang, Qingyu Liu, Ke Chen, Boya Di, Hongliang Zhang*, Wenhan Yang, Dusit Niyato, Zhu Han, and H. Vincent Poor
    IEEE Journal on Selected Areas in Communications (JSAC), vol. 43, issue 1, pp. 21-35, January 2025

  8. Pistis: A Scheduler to Achieve Ultra Reliability for URLLC Traffic in 5G O-RAN
    Qingyu Liu, Chengzhang Li, Shaoran Li, Yi Shi, Boyang Zhou, Y. Thomas Hou*, and Wenjing Lou
    IEEE Internet of Things Journal (IoT-J), vol. 11, issue 21, pp. 35405-35419, November 2024

  9. Aequitas: A 5G Scheduler for Minimizing Outdated Information in IoT Networks
    Chengzhang Li, Qingyu Liu, Y. Thomas Hou*, Wenjing Lou, and Sastry Kompella
    IEEE Internet of Things Journal (IoT-J), vol. 11, issue 13, pp. 23322-23335, July 2024

  10. Aion: A Bandwidth Conserving Scheduler with Data Freshness Guarantee
    Qingyu Liu, Chengzhang Li, Y. Thomas Hou*, Wenjing Lou, Jeffrey H. Reed, and Sastry Kompella
    IEEE Transactions on Mobile Computing (TMC), vol. 23, issue 1, pp. 102-116, January 2024

  11. Ride the Tide of Traffic Conditions: Opportunistic Driving Improves Energy Efficiency of Timely Truck Transportation
    Wenjie Xu, Qingyu Liu, Minghua Chen*, and Haibo Zeng
    IEEE Transactions on Intelligent Transportation Systems (TITS), vol. 24, issue 5, pp. 4777-4793, May 2023

  12. Wireless Scheduling to Optimize Age of Information based on Earliest Update Time
    Qingyu Liu, Chengzhang Li, Y. Thomas Hou*, Wenjing Lou, Jeffrey H. Reed, and Sastry Kompella
    IEEE Internet of Things Journal (IoT-J), vol. 10, issue 7, pp. 6352-6366, April 2023

  13. Scheduling with Age of Information Guarantee
    Chengzhang Li, Qingyu Liu, Shaoran Li, Yongce Chen, Y. Thomas Hou*, Wenjing Lou, and Sastry Kompella
    IEEE/ACM Transactions on Networking (ToN), vol. 30, issue 5, pp. 2046-2059, October 2022

  14. Minimizing AoI with Throughput Requirements in Multi-Path Network Communication
    Qingyu Liu*, Haibo Zeng*, and Minghua Chen*
    IEEE/ACM Transactions on Networking (ToN), vol. 30, issue 3, pp. 1203-1216, June 2022

  15. Energy-Efficient Timely Truck Transportation for Geographically-Dispersed Tasks
    Qingyu Liu*, Haibo Zeng*, and Minghua Chen*
    IEEE Transactions on Intelligent Transportation Systems (TITS), vol. 21, issue 12, pp. 5148-5159, December 2020

  16. Network Utility Maximization under Maximum Delay Constraints and Throughput Requirements
    Qingyu Liu*, Haibo Zeng*, and Minghua Chen*
    IEEE/ACM Transactions on Networking (ToN), vol. 28, issue 5, pp. 2132-2145, October 2020

  17. A Tale of Two Metrics in Network Delay Optimization
    Qingyu Liu*, Lei Deng, Haibo Zeng*, and Minghua Chen*
    IEEE/ACM Transactions on Networking (ToN), vol. 28, issue 3, pp. 1241-1254, June 2020

  18. Approaches for Assigning Offsets to Signals for Improving Frame Packing in CAN-FD
    Prachi Joshi*, S. S. Ravi, Qingyu Liu, Unmesh D. Bordoloi, Soheil Samii, Sandeep Shukla, and Haibo Zeng
    IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), vol. 39, issue 5, pp. 1109-1122, May 2020

Conference Papers

  1. Optimizing Spectrum Sharing in Low-Altitude Intelligent Networks: A Model-Based Reinforcement Learning Approach
    Tianle Li, Qingyu Liu, and Peixi Peng
    IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom) Workshop on 3D Spatial Trajectory Privacy Protection in the Low-Altitude Economy Systems, 14-17 November, 2025, Guiyang, China

  2. SatPrune: Efficient ABAC Scheme for Direct-to-Cell Low-Earth Orbit Satellite Networks
    Yutong Yue, Zhuocheng Xu, Qingyu Liu, Boya Di, and Lingyang Song
    Asia-Pacific Conference on Communications (APCC), 26-28 November, 2025, Osaka, Japan

  3. RadioPiT: Radio Map Generation with Pixel Transformer Driven by Ultra-Sparse Real-World Data
    Zeyao Sun, Bohao Fan, Qingyu Liu, Shuhang Zhang, and Lingyang Song
    Asia-Pacific Conference on Communications (APCC), 26-28 November, 2025, Osaka, Japan

  4. RIS-Aided Wireless Amodal Sensing for Single-View 3D Reconstruction
    Yuhan Wang, Haobo Zhang, Qingyu Liu, Hongliang Zhang, and Lingyang Song
    Asia-Pacific Conference on Communications (APCC), 26-28 November, 2025, Osaka, Japan

  5. Air-Ground Model Collaboration for Low-Altitude Intelligent Network with Heterogeneous Computational Resources
    Lu Cheng, Shuhang Zhang, Hongliang Zhang, Qingyu Liu, Mohammed Karmoose, Kangjun Liu, and Yaowei Wang
    Vehicular Technology Conference (VTC) Workshop on Low-Altitude Intelligent Network, 19-22 October, 2025, Chengdu, China

  6. GenRadio: A Generative Framework for Fine-Grained 3D Radio Map Estimation
    Zhiyuan Liu, Qingyu Liu, Shuhang Zhang, Hongliang Zhang, Kangjun Liu, and Yaowei Wang
    Vehicular Technology Conference (VTC) Workshop on Low-Altitude Intelligent Network, 19-22 October, 2025, Chengdu, China

  7. Broadcasting With Port Constraints
    Zhaohong Lu, Qingyu Liu, and Haibo Zeng
    IEEE International Symposium on Information Theory (IEEE ISIT), 22 - 27 June, 2025, Ann Arbor, MI, USA.

  8. Simultaneous Beamforming and Anti-Jamming With Intelligent Omni-Surfaces
    Yuhan Wang, Shuhao Zeng, Qingyu Liu, Boya Di, and Hongliang Zhang
    IEEE Wireless Communications and Networking Conference (IEEE WCNC), 24 - 27 March, 2025, Mico Milano Congressi, Milan, Italy.

  9. RobUNet: A Radio Map Construction Method with A Strong Generalization Capability
    Shuai Shao, Kangjun Liu, Qingyu Liu, Shuhang Zhang, Ke Chen, and Lingyang Song
    IEEE Global Communications Conference (IEEE GLOBECOM), 8 - 12 December, 2024, Cape Town, South Africa.

  10. Age of Critical Information: Optimizing Data Freshness Based on Content Criticality
    Qingyu Liu, Chengzhang Li, Y. Thomas Hou, Wenjing Lou, and Sastry Kompella
    IEEE Military Communications Conference (MILCOM), 30 October - 3 November, 2023, Boston, MA, USA.

  11. Eywa: A General Approach for Scheduler Design in AoI Optimization
    Chengzhang Li, Shaoran Li, Qingyu Liu, Y. Thomas Hou, Wenjing Lou, and Sastry Kompella
    IEEE International Conference on Computer Communications (IEEE INFOCOM), 17 -20 May, 2023, New York area, USA. (acceptance rate of 19.2%)

  12. Hector: A Reinforcement Learning-Based Scheduler for Minimizing Casualties of a Military Drone Swarm
    Heng Jin, Qingyu Liu, Chengzhang Li, Y. Thomas Hou, Wenjing Lou, and Sastry Kompella
    IEEE Military Communications Conference (MILCOM), 28 November - 2 December, 2022, National Capital Region, USA.
    Best Paper Award Candidate

  13. Aequitas: A Uniformly Fair 5G Scheduler for Minimizing Outdated Information
    Chengzhang Li, Qingyu Liu, Y. Thomas Hou, Wenjing Lou, and Sastry Kompella
    IEEE International Conference on Mobile Ad-Hoc and Smart Systems (IEEE MASS), 20-22 October, 2022, Denver, CO, USA.

  14. Ao2I: Minimizing Age of Outdated Information to Improve Freshness in Data Collection
    Qingyu Liu, Chengzhang Li, Y. Thomas Hou, Wenjing Lou, Jeffrey H. Reed, and Sastry Kompella
    IEEE International Conference on Computer Communications (IEEE INFOCOM), 2-5 May, 2022, Virtual Conference. (acceptance rate of 19.9%)

  15. On Scheduling with AoI Violation Tolerance
    Chengzhang Li, Qingyu Liu, Shaoran Li, Yongce Chen, Y. Thomas Hou, and Wenjing Lou
    IEEE International Conference on Computer Communications (IEEE INFOCOM), 10-13 May, 2021, Virtual Conference. (acceptance rate of 19.9%)

  16. Aion: A Bandwidth Optimized Scheduler with AoI Guarantee
    Qingyu Liu, Chengzhang Li, Y. Thomas Hou, Wenjing Lou, and Sastry Kompella
    IEEE International Conference on Computer Communications (IEEE INFOCOM), 10-13 May, 2021, Virtual Conference. (acceptance rate of 19.9%)

  17. Minimizing Emission for Timely Truck Transportation with Adaptive Fuel Injection
    Runzhi Zhou, Qingyu Liu, Wenjie Xu, Minghua Chen, and Haibo Zeng
    ACM International Conference on Systems for Energy-Efficient Built Environments (ACM BuildSys), 19-20 November, 2020, Virtual Conference.

  18. Cost Minimization in Multi-Path Communication under Throughput and Maximum Delay Constraints
    Qingyu Liu, Haibo Zeng, Lingjia Liu, and Minghua Chen
    IEEE International Conference on Computer Communications (IEEE INFOCOM), 6-9 July, 2020, Virtual Conference. (acceptance rate of 19.8%)

  19. Ride the Tide of Traffic Conditions: Opportunistic Driving Improves Energy Efficiency of Long-Haul Timely Truck Transportation
    Wenjie Xu, Qingyu Liu, Minghua Chen, and Haibo Zeng
    ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and Transportation (ACM BuildSys), 13-14 November, 2019, New York, NY, USA.

  20. Minimizing Age-of-Information with Throughput Requirements in Multi-Path Network Communication
    Qingyu Liu, Haibo Zeng, and Minghua Chen
    ACM International Symposium on Mobile Ad Hoc Networking and Computing (ACM MobiHoc), 2-5 July, 2019, Catania, Italy. (acceptance rate of 23.7%)

  21. Energy-Efficient Timely Truck Transportation for Geographically Dispersed Tasks
    Qingyu Liu, Haibo Zeng, and Minghua Chen
    ACM International Conference on Future Energy Systems (ACM e-Energy), 12-15 June, 2018, Karlsruhe, Germany. (acceptance rate of 22.0%)
    Best Paper Award Finalist

  22. A Tale of Two Metrics in Network Delay Optimization
    Qingyu Liu, Lei Deng, Haibo Zeng, and Minghua Chen
    IEEE International Conference on Computer Communications (IEEE INFOCOM), 15-19 April, 2018, Honolulu, HI, USA. (acceptance rate of 19.2%)

  23. On the Min-Max-Delay Problem: NP-completeness, Algorithm, and Integrality Gap
    Qingyu Liu, Lei Deng, Haibo Zeng, and Minghua Chen
    IEEE Information Theory Workshop (ITW), 6-10 November, 2017, Kaohsiung, Taiwan.

  24. Traffic Assignment with Maximum Delay Constraint in Stochastic Network
    Chuansheng Dong, Qingyu Liu, and Haibo Zeng
    Vehicular Technology Conference (VTC), 15-18 May, 2016, Nanjing, China

  25. RALP: Reconvergence-Aware Layer Partitioning For 3D FPGAs
    Qingyu Liu, Yuchun Ma, Yu Wang, Wayne Luk, and Jinian Bian
    International Conference on Reconfigurable Computing and FPGAs (ReConFig), 9-11 December, 2013, Cancun, Mexico

Tutorials

  1. Al RAN: Artificial Intelligence for Radio Access Networks
    Hongliang Zhang, Qingyu Liu, Shuhang Zhang, and Lingyang Song
    Vehicular Technology Conference (VTC), 19-22 October, 2025, Chengdu, China

  2. Al RAN: Artificial Intelligence for Radio Access Networks
    Lingyang Song, Qingyu Liu, Hongliang Zhang, and Shuhang Zhang
    IEEE/CIC International Conference on Communications in China (ICCC), 10-13 August, 2025, Shanghai, China