Qingwen Liu

University of Minnesota, Twin Cities, USA

PhD, Electrical Engineering

MS, Electrical Engineering

University of Science and Technology of China (USTC), China

Special Class for Gifted Young (SCGY)

BE, Electrical Engineering and Information Science

5G/6G

Wireless Power Transfer

Internet of Things(loT)

Artificial Intelligence(AI)

Q. Liu, S. Zhou, and G. B. Giannakis, Cross-Layer Combining of Adaptive Modulation and Coding with Truncated ARQ over Wireless Links, IEEE Transactions on Wireless Communications, vol. 3, no. 5, pp. 1746-1755, Sept. 2004.

Q. Liu, S. Zhou, and G. B. Giannakis, Queuing with Adaptive Modulation and Coding over Wireless Links: Cross-Layer Analysis and Design, IEEE Transactions on Wireless Communications, vol. 4, no. 3, pp. 1142-1153, May 2005.

Q. Liu, X. Wang, and G. B. Giannakis, A Cross-Layer Scheduling Algorithm with QoS Support in Wireless Networks, IEEE Transactions on Vehicular Technology, vol. 55, no. 3, pp. 839-847, May 2006.

Q. Liu, S. Zhou, and G. B. Giannakis, Cross-Layer Scheduling with Prescribed QoS Guarantees in Adaptive Wireless Networks, IEEE Journal on Selected Areas in Communications, vol. 23, no.5, pp. 1051-1066, May 2005.

X. Wang, Q. Liu, and G. B. Giannakis, Analyzing and Optimizing Adaptive Modulation and Coding Jointly with Truncated ARQ for QoS-Guaranteed Traffic, IEEE Transactions on Vehicular Technology, vol. 56, no. 2, pp. 710-720, March 2007.

Q. Liu and H. Jin, Method for improving the performance of a wireless communications network by using beamformed virtual antennas, WO No. 2008045588, US No. 7697485，EP No. 2055117

Q. Liu, H. Jin, W. Xie, and J. Grabner, System and method for detecting locations of a customer premises equipment, WO No. 2007136945, US No. 7706812, EP No. 2018592

H. Jin, J. Grabner, L. Guo, and Q. Liu, Hybrid time-spatial multiplexing for wireless broadcast messages through antenna radiation beam synthesis, WO No. 2008130922, US No. 8195240

Q. Liu, J. Grabner, and H. Jin, Rechargeable battery facilitated customer-premises equipment, WO No. 2008051267, US No. 7496386

Q. Liu, G. Wang, and H. Jin, Method and system for scheduling uplink sounding signals, WO No. 2008085598, US No. 8068445

For research fellow, post-doctor, PhD, MS or undergraduate students, who would like to explore your interests in either academic research or industrial engineering, please send me the resume/CV with your brief self-introduction.

[1] J. Zhou, M. Xiong, M. Liu, Q. Liu and S. Zhou, Transient Analysis for Resonant Beam Charging and Communication, IEEE Internet of Things Journal, 2021.

[2] W. Fang et al, End-to-End Transmission Analysis of Simultaneous Wireless Information and Power Transfer Using Resonant Beam, IEEE Transactions on Signal Processing, vol. 69, pp. 3642-3652, 2021.

[3] M. Liu, M. Xiong, Q. Liu, S. Zhou and H. Deng, Mobility-Enhanced Simultaneous Lightwave Information and Power Transfer, IEEE Transactions on Wireless Communications, 2021.

[4] W. Fang et al, Safety Analysis of Long-Range and High-Power Wireless Power Transfer Using Resonant Beam, IEEE Transactions on Signal Processing, vol. 69, pp. 2833-2843, 2021.

[5] M. Liu et al, Simultaneous Mobile Information and Power Transfer by Resonant Beam, IEEE Transactions on Signal Processing, vol. 69, pp. 2766-2778, 2021.

[6] M. Xiong, M. Liu, Q. Jiang, J. Zhou, Q. Liu and H. Deng, Retro-Reflective Beam Communications with Spatially Separated Laser Resonator, IEEE Transactions on Wireless Communications, 2021.

[7] M. Xiong et al, Resonant Beam Communications With Echo Interference Elimination, IEEE Internet of Things Journal, vol. 8, no. 4, pp. 2875-2885, 15 Feb.15, 2021.

[8] X. Wei, Y. Jiang, Q. Liu and X. Wang, Calibration of Phase Shifter Network for Hybrid Beamforming in mmWave Massive MIMO Systems, IEEE Transactions on Signal Processing, vol. 68, pp. 2302-2315, 2020.

[9] M. Xiong, Q. Liu, M. Liu, X. Wang and H. Deng, Resonant Beam Communications With Photovoltaic Receiver for Optical Data and Power Transfer, IEEE Transactions on Communications, vol. 68, no. 5, pp. 3033-3041, May 2020.

[10] W. Fang, G. Wang, G. B. Giannakis, Q. Liu, X. Wang and H. Deng, Channel-Dependent Scheduling in Wireless Energy Transfer for Mobile Devices, IEEE Transactions on Vehicular Technology, vol. 69, no. 3, pp. 3330-3340, March 2020.

[11] Q. Zhang, G. Wang, J. Chen, G. B. Giannakis, and Q. Liu ,Mobile Energy Transfer in Internet of Things, IEEE Internet Things Journal, vol. 6, no. 5, pp. 9012-9019, Oct. 2019..

[12] W Fang，Q Zhang，M Liu，Q Liu，P Xia，Earning Maximization With Quality of Charging Service Guarantee for IoT Devices,IEEE Internet of Things Journal，vol. 6，no. 1，pp. 1114 - 1124，Feb. 2019.

[13] W Fang，Q Zhang，Q Liu，J Wu，P Xia，Fair Scheduling in Resonant Beam Charging for IoT Devices，IEEE Internet of Things Journal，vol. 6，no. 1，pp. 641 -653，Feb. 2019.

[14] W Wang，Q Zhang，H Lin，M Liu，X Liang，QLiu，Wireless Energy Transmission Channel Modeling in Resonant Beam Charging for IoT Devices，IEEE Internet of Things Journal，vol. 6，no. 2，pp. 3976 -3986，Apr. 2019.

[15] Q Zhang，W Fang，M Xiong，Q Liu，J Wu，P Xia，Adaptive Resonant Beam Charging for Intelligent Wireless Power Transfer，IEEE Internet of Things Journal，vol. 6，no. 1，pp. 1160 -1172，Feb. 2019.

[16] M Xiong，M Liu，Q Zhang，Q Liu，J Wu，P Xia，TDMA in Adaptive Resonant Beam Charging for IoT Devices，IEEE Internet of Things Journal，vol. 6，no. 1，pp. 867 -877，Feb. 2019.

[17] Q. Zhang，M. Liu，X. Lin，Q. Liu，J. Wu，P. Xia，Optimal Resonant Beam Charging for Electronic Vehicles in Internet of Intelligent Vehicles，IEEE Internet of Things Journal，vol. 6，no. 1，pp. 6-14，Feb. 2019.

[18] Q Zhang，W Fang，Q Liu，J Wu，P Xia，L Yang，Distributed Laser Charging: A Wireless Power Transfer Approach，IEEE Internet of Things Journal，vol. 5，no. 5，pp. 3853 -3864，Oct. 2018.

[19] Q. Liu，J. Wu，P. Xia，S. Zhao，W. Chen，Y. Yang，L. Hanzo，Charging Unplugged: Will Distributed Laser Charging for Mobile Wireless Power Transfer Work?, IEEE Vehicular Technology Magazine，vol. 11，no. 4，pp. 36-45，Dec. 2016.

[20] X. Wang, Q. Liu, and G. B. Giannakis, Analyzing and Optimizing Adaptive Modulation and Coding Jointly with Truncated ARQ for QoS-Guaranteed Traffic, IEEE Transactions on Vehicular Technology, vol. 56, no. 2, pp. 710-720, March 2007.

[21] Q. Liu, X. Wang, and G. B. Giannakis, A Cross-Layer Scheduling Algorithm with QoS Support in Wireless Networks, IEEE Transactions on Vehicular Technology, vol. 55, no. 3, pp. 839-847, May 2006.

[22] Q. Liu, S. Zhou, and G. B. Giannakis, Cross-Layer Modeling of Adaptive Wireless Links for QoS Support in Heterogeneous Wired-Wireless Networks, ACM/Kluwer Journal on Wireless Networks, vol. 12, pp 427-437, May 2006.

[23] Q. Liu, S. Zhou, and G. B. Giannakis, Cross-Layer Scheduling with Prescribed QoS Guarantees in Adaptive Wireless Networks, IEEE Journal on Selected Areas in Communications, vol. 23, no.5, pp. 1051-1066, May 2005.

[24] Q. Liu, S. Zhou, and G. B. Giannakis, Queuing with Adaptive Modulation and Coding over Wireless Links: Cross-Layer Analysis and Design, IEEE Transactions on Wireless Communications, vol. 4, no. 3, pp. 1142-1153, May 2005.

[25] Q. Liu, S. Zhou, and G. B. Giannakis, Cross-Layer Combining of Adaptive Modulation and Coding with Truncated ARQ over Wireless Links, IEEE Transactions on Wireless Communications, vol. 3, no. 5, pp. 1746-1755, Sep. 2004.

[1] Z. Ma, H. Li, W. Fang, Q. Liu, B. Zhou and Z. Bu,A Cloud-Edge-Terminal Collaborative System for Temperature Measurement in COVID-19 Prevention, IEEE INFOCOM 2021 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS), pp. 1-6, 2021.

[2] A Wu，Q Zhang，W Fang，H Deng，S Jiang，Q Liu，P Xia,Mask R-CNN Based Object Detection for Intelligent Wireless Power Transfer, 2018 IEEE Global Communications Conference, pp. 1-5，Dec. 2019.

[3] S Jiang，Q Zhang，A Wu，Q Liu，J Wu，P Xia,A Low-Latency Reliable Transport Solution for Network-Connected UAV, 2018 10th International Conference on Communication Software and Networks (ICCSN), pp. 511-515，Jul. 2018.

[4] Q Zhang，X Shi，Q Liu，J Wu，P Xia，Y Liao,Adaptive Distributed Laser Charging for Efficient Wireless Power Transfer, 2017 IEEE 86th Vehicular Technology Conference (VTC-Fall), pp. 1-5，Sep. 2017.

[5] Y. Yang, W. Chen, O. Li, Q. Liu and Lajos Hanzo,Cross Layer Design of Adaptive Network Coded QAM Aided Truncated ARQ in Two Way Relaying, 2016 IEEE 83rd Vehicular Technology Conference (VTC Spring), May 15-18 2016.

[6] X. Wang, Q. Liu and G. B. Giannakis, Analyzing and Optimizing Adaptive Modulation-Coding Jointly with ARQ for QoS-Guaranteed Traffic, Proc. of Intl. of Conf. on Communications (ICC), Istanbul, Turkey, June 11-15, 2006.

[7] Q. Liu, X. Wang and G. B. Giannakis, Cross-Layer Scheduler Design with QoS Support for Wireless Access Networks, Proc. of 2nd Intl. Conf. QoS in Heterogeneous Wired/Wireless Networks, Orlando, Aug. 22-24, 2005.

[8] Q. Liu, S. Zhou, and G. B. Giannakis, Efficient Bandwidth Utilization Guaranteeing QoS over Adaptive Wireless Links, Proc. of GLOBECOM Conf., vol. 4, pp. 2684-2688, Dallas, TX, Nov. 29 - Dec. 3, 2004.

[9] Q. Liu, S. Zhou, and G. B. Giannakis, Cross-Layer Modeling of Adaptive Wireless Links for QoS Support in Multimedia Networks, Proc. of 1st Intl. Conf. on QoS in Heterogeneous Wired/Wireless Networks, pp. 65-75, Dallas, TX, Oct. 18-20, 2004.

[10] Q. Liu, S. Zhou, an d G. B. Giannakis, TCP Performance in Wireless Access with Adaptive Modulation and Coding, Proc. of Intl. of Conf. on Communications (ICC), vol. 7, pp. 3989-3993, Paris, France, June 20-24, 2004.

[11] Q. Liu, S. Zhou, and G. B. Giannakis, Cross-Layer Combining of Queuing with Adaptive Modulation and Coding over Wireless Links, Proc. of Military Communications (MILCOM) Conf., vol. 1, pp. 717-722, Boston, MA, October 13-16, 2003 (invited).

[12] Q. Liu, S. Zhou, and G. B. Giannakis, Combining Adaptive Modulation and Coding with Truncated ARQ Enhances Throughput, Proc. of Signal Proc. Workshop on Advances in Wireless Commun., pp. 110-114, Rome, Italy, June 15-18, 2003.

[13] K. Peng, J. Kieffer, Q. Liu, and S. Zhou, Embedded Image Transmission based on Adaptive Modulation and Constrained Retransmission over Block Fading Channels, Proc. of ICASSP, vol. 5, pp. 696-699, Hong Kong, April 6-10, 2003.

[14] Q. Liu, S. Zhou, and G. B. Giannakis, Jointly Adaptive Modulation and Packet Retransmission over Block Fading Channels with Robustness to Feedback Latency, Proc. of the 37th Conf. on Info. Sciences & Systems (CISS), Baltimore, Maryland, March 12-14, 2003.

IEEE Senior Member

IEEE Transactions on Wireless Communications，Editor

Conference Workshop Co-Chair

IEEE Wireless Communications and Networks Conference (WCNC) 2019

International Conference on Computing, Networking and Communications (ICNC) 2018

International Conference on Computing, Networking and Communications (ICNC) 2016

Technical Program Committee Member

IEEE Global Telecommunications Conference (GLOBECOM) 2018

International Conference on Communication Software and Networks (ICCSN) 2018

IEEE Global Telecommunications Conference (GLOBECOM) 2016

IEEE Global Telecommunications Conference (GLOBECOM) 2007

International Wireless Communications and Mobile Computing Conference (IWCMC) 2007

Keynote Speech

International Conference on Wireless Communications and Singal Process (WCSP) 2019

IEEE Wireless Communications and Networking Conference (WCNC) 2019

IEEE/CIC International Conference on Communications in China IEEE Communications Society 2017