Xiaoying Liu, Associate Professor, Master Supervisor
School of Computer Science and Technology, Zhejiang University of Technology
Address: No. 288 Liu-He Road, Hangzhou, Zhejiang, 310023, P. R. China
E-mail: xiaoyingliu@zjut.edu.cn; xiaoying-liu@foxmail.com
Corresponding links of mine: Google Scholar; Homepage in Chinese; DBLP; IEEE; ORCID

Education

09/2009-06/2013, Nanjing University of Science and Technology, Bachelor of Information Engineering
09/2013-06/2018, Shanghai Jiao Tong University, Ph.D. of Information and Communication Engineering，Supervisor: Prof. Xinbing Wang, Thesis: Investigation of topological network construction and information dissemination in mobile ad hoc networks

Research areas

Internet of Things, Age of Information, Energy Harvesting, Deep Reinforcement Learning, Wireless Communication, Cognitive Radio Networks

Services

(14) IEEE Senior Member, China Computer Federation (CCF) Senior Member, Chinese Institute of Electronics (CIE) Member, ACM Member
(13) TPC member of IEEE SustainCom 2024 (IEEE International Conference on Sustainable Computing and Communications)
(12) TPC member of SmartData 2023, 2024 (IEEE International Conference on Smart Data)
(11) PC member of MSN 2023 (The 19th International Conference on Mobility, Sensing and Networking)
(10) ACM China Young Scholar Academy Forum Chair of ACM TURC 2023, ACM TURC 2024
(9) Associate editor of Springer Nature Computer Science, 2023-
(8) Executive Committee of CCF TCIoT (Internet of Things), 2022-
(7) Guest editor of Sensors (Special Issue: Technologies, Challenges, Applications, and Emerging Trends in Sensor-Enabled Embedded and Ubiquitous Computing), 2024-
(6) Guest editor of Sensors (Special Issue: Cognitive Radio Networks: Technologies, Challenges, and Applications), 2022-2024.
(5) Guest editor of WCMC (Special Issue: Next-Generation Wireless Networks Communication Sustainability, Efficiency, and Security from a Physical Layer Perspective), 2022
(4) TPC member of IEEE Globecom 2024 - NGNI (Next-Generation Networking and Internet)
(3) TPC member of IEEE ICC’22, 23 - CRAIN Symposium (Cognitive Radio and AI-Enabled Networks), IEEE ICC’20 - MWN Symposium (Mobile and Wireless Networks)
(2) Chair of Session 5: Age-of-Information for MobiHoc 2021
(1) Reviewers of IEEE Transactions on Mobile Computing, IEEE Transactions on Wireless Communications, IEEE Transactions on Communications, IEEE Transactions on Vehicular Technology, Computer Networks, and so on.

Projects

(P6) Project No. 62372412, “Research on resource optimization and transmission mechanism for wireless powered IoT based on information freshness” supported by NSFC, ¥ 500,000, 1/3.
(P5) Project No. 62372413, “Research on mode construction and cooperative transmission mechanism of symbiotic radio networks” supported by NSFC, ¥ 500,000, 2/4.
(P4) Project No. 61902351, “Energy-saving mechanisms for secure transmission in Internet of Things” supported by NSFC, ¥ 260,000, 1/1.
(P3) No. LY21F020023, Research on physical layer security for energy harvesting-based Internet of Things, ¥ 100,000, 1/7.
(P2) No. LY21F020022, Research on multiband cooperative spectrum sensing in wireless powered Internet of Things, ¥ 100,000, 2/7.
(P1) Scientific Research Foundation of Zhejiang University of Technology, ¥ 100,000, 1/1.

Publications

Selected Publications

(J19) X. Liu, A. Chen, K. Zheng, K. Chi, B. Yang, and T. Taleb, Distributed computation offloading for energy provision minimization in WP-MEC networks with multiple HAPs, to appear in IEEE Transactions on Mobile Computing, 2024. (CCF-A)
(J18) X. Liu, H. Liu, K. Zheng, J. Liu, T. Taleb, and N. Shiratori, AoI-minimal clustering, transmission and trajectory co-design for UAV-assisted WPCNs, to appear in IEEE Transactions on Vehicular Technology, 2024.
(J17) K. Zheng, R. Luo, X. Liu*, J. Qiu, and J. Liu, Distributed DDPG-based resource allocation for age of information minimization in mobile wireless-powered Internet of Things, IEEE Internet of Things Journal, vol. 11, no. 17, pp. 29102-29115, Sep. 2024. (Corresponding author)
(J16) X. Liu, X. Li, K. Zheng, and J. Liu, AoI minimization of ambient backscatter-assisted EH-CRN with cooperative spectrum sensing, Computer Networks, vol. 245, Article ID 110389, May 2024. (CCF-B)
(J15) K. Zheng, R. Luo, Z. Wang, X. Liu*, and Y. Yao, Short-term and long-term throughput maximization in mobile wireless-powered Internet of Things, IEEE Internet of Things Journal, vol. 11, no. 6, pp. 10575-10591, Mar. 2024. (Corresponding author, ESI highly cited paper)
(J14) K. Zheng, J. Wang, X. Liu*, X. Yao, Y. Xu, and J. Liu, A hybrid communication scheme for throughput maximization in backscatter-aided energy harvesting cognitive radio networks, IEEE Internet of Things Journal, vol. 10, no. 18, pp. 16194-16208, Sep. 2023. (Corresponding author)
(J13) X. Liu, Z. Lin, K. Zheng, X. Yao, and J. Liu, Optimal time allocation for backscatter-aided relay cooperative transmission in wireless-powered heterogeneous CRNs, IEEE Internet of Things Journal, vol. 10, no. 18, pp. 16209-16224, Sep. 2023.
(J12) X. Liu, B. Xu, K. Zheng, and H. Zheng, Throughput maximization of wireless-powered communication network with mobile access points, IEEE Transactions on Wireless Communications, vol. 22, no. 7, pp. 4401-4415, Jul. 2023. (CCF-B, ESI highly cited paper)
(J11) X. Liu, B. Xu, X. Wang, K. Zheng, K. Chi, and X. Tian, Impacts of sensing energy and data availability on throughput of energy harvesting cognitive radio networks, IEEE Transactions on Vehicular Technology, vol. 72, no. 1, pp. 747-759, Jan. 2023. (ESI highly cited paper, ESI hot paper)
(J10) Y. Zhang, X. Liu*, K. Zheng, Y. Li, and Y. Yao, Energy-efficient multicodebook-based backscatter communications for wireless-powered networks, IEEE Internet of Things Journal, vol. 9, no. 18, pp. 18153-18163, Sep. 2022. (Corresponding author)
(C1) W. Sun, X. Liu*, K. Zheng, Y. Xu, and J. Liu, Spectrum utilization improvement for multi-channel cognitive radio networks with energy harvesting, in International Conference on Networking and Network Applications (NaNA), Lijiang City, China, Oct. 2021. (Corresponding author, Best Paper Award)
(J9) K. Zheng, X. Liu*, B. Wang, H. Zheng, K. Chi, and Y. Yao, Throughput maximization of wireless-powered communication networks: An energy threshold approach, IEEE Transactions on Vehicular Technology, vol. 70, no. 2, pp. 1292-1306, Feb. 2021. (Corresponding author)
(J8) X. Liu, K. Zheng, K. Chi, and Y. Zhu, Cooperative spectrum sensing optimization in energy-harvesting cognitive radio networks, IEEE Transactions on Wireless Communications, vol. 19, no. 11, pp. 7663-7676, Nov. 2020. (CCF-B)
(J7) K. Zheng, X. Liu*, Y. Zhu, K. Chi, and Y. Li, Impact of battery charging on spectrum sensing of CRN with energy harvesting, IEEE Transactions on Vehicular Technology, vol. 69, no. 7, pp. 7545-7557, Jul. 2020. (Corresponding author)
(J6) K. Zheng, X. Liu*, Y. Zhu, K. Chi, and K. Liu, Total throughput maximization of cooperative cognitive radio networks with energy harvesting, IEEE Transactions on Wireless Communications, vol. 19, no. 1, pp. 533-546, Jan. 2020. (CCF-B)(Corresponding author)
(J5) X. Liu, K. Zheng, X.-Y. Liu, X. Wang, and Y. Zhu, Hierarchical cooperation improves delay in cognitive radio networks with mobile secondary nodes, IEEE Transactions on Mobile Computing, vol. 18, no. 12, pp. 2871-2884, Dec. 2019. (CCF-A)
(J4) K. Zheng, X.-Y. Liu, X. Liu*, and Y. Zhu, Hybrid overlay-underlay cognitive radio networks with energy harvesting, IEEE Transactions on Communications, vol. 67, no. 7, pp. 4669-4682, July 2019. (CCF-B)(Corresponding author)
(J3) X. Liu, K. Zheng, L. Fu, X.-Y. Liu, X. Wang, and G. Dai, Energy efficiency of secure cognitive radio networks with cooperative spectrum sharing, IEEE Transactions on Mobile Computing, vol. 18, no. 2, pp. 305-318, Feb. 2019. (CCF-A)
(J2) X. Liu, K. Zheng, J. Zhao, X.-Y. Liu, X. Wang, and X. Di, Information-centric networks with correlated mobility, IEEE Transactions on Vehicular Technology, vol. 66, no. 5, pp. 4256-4270, May 2017.
(J1) X. Liu, J. Zhang, L. Liu, W. Wu, X. Tian, X. Wang, W. Zhang, and J. Xu, Network connectivity with inhomogeneous correlated mobility, IEEE Transactions on Wireless Communications, vol. 15, no. 6, pp.4307-4320, Jun. 2016. (CCF-B)

Other Publications

(J24) X. Liu, H. Liu, B. Zhou, K. Zheng, Trajectory design and transmission optimization for data freshness in UAVs-assisted WPCNs, to appear in IET Communications, 2024. (CCF-C)
(J23) X. Liu, X. Kuang, Z. Li, K. Zheng, Joint channel allocation and transmit power control for underlay EH-CRNs: A clustering-based multi-agent DDPG approach, to appear in IET Communications, 2024. (CCF-C)
(J22) X. Liu, X. Kuang, Y. Chen, K. Zheng, J. Liu, Probing-aided spectrum sensing-based hybrid access strategy for energy harvesting CRNs, Computer Communications, vol. 228, Article ID 107973, Dec. 2024. (CCF-C)
(J21) Y. Lin, J. Qiu, J. Zhang, K. Zhou, K. Fang, X. Liu, and K. Chi, Range expansion method for WiFi-based respiration monitoring under dynamic scenes, to appear in Journal of Computer Research and Development, 2024. (CCF-A)
(J20) K. Zheng, Q. Ye, K. Chi, X. Liu, A. Saad, K. Yu, S. Mumtaz, and M. Guizani, Minimization of task completion time in wireless powered mobile edge-cloud computing networks, to appear in IEEE Internet of Things Journal, 2024. (CCF-C)
(J19) K. Zheng, J. Wang, A. Chen, W. Sun, X. Liu*, and J. Liu, Spectrum utilization improvement for multi-channel EH-CRN with spectrum sensing, to appear in IET Communications, 2024. (CCF-C)(Corresponding author)
(C2) X. Liu, Y. Xu, J. Liu, H. Takakura, X. Liu, K. Zheng, and N. Shiratori, Multi-armed bandit-based secure routing in air-ground integrated networks, in IEEE Wireless Communications and Networking Conference (WCNC), Dubai, United Arab Emirates, Apr. 2024. (CCF-C)
(J18) K. Zheng, G. Jiang, X. Liu, K. Chi, X. Yao, and J. Liu, DRL-based offloading for computation delay minimization in wireless-powered multi-access edge computing, IEEE Transactions on Communications, vol. 71, no. 3, pp. 1755-1770, Mar. 2023. (CCF-B)
(J17) H. Ge, K. Zheng, K. Chi, and X. Liu, The maximal secondary throughput in cognitive radio networks with energy harvesting, IET Communications, vol. 17, no. 3, pp. 336-347, Feb. 2023. (CCF-C)
(J16) K. Zheng, X. Jia, K. Chi, and X. Liu, DDPG-based joint time and energy management in ambient backscatter-assisted hybrid underlay CRNs, IEEE Transactions on Communications, vol. 71, no. 1, pp. 441-456, Jan. 2023. (CCF-B, ESI highly cited paper)
(J15) Z. Qu, Q. Jia, C. Lyu, J. Liu, X. Liu, and K. Zheng, Detecting fake reviews with generative adversarial networks for mobile social networks, Security and Communication Networks, vol. 2022, Article ID 1164125, Nov. 2022. (CCF-C)
(J14) X. Liu, A. Wang, B. Xu, K. Zheng, and X. Yao, Robustness-based transmission strategy for wireless-powered communication networks, Wireless Communications and Mobile Computing, vol. 2022, Article ID 2532905, Oct. 2022. (CCF-C)
(J13) X. Liu, M. Xia, P. Hu, K. Zheng, and S. Zhang, Optimal time allocation for energy harvesting cognitive radio networks with multichannel spectrum sensing, Wireless Communications and Mobile Computing, vol. 2022, Article ID 3940132, Aug. 2022. (CCF-C)
(J12) C. Qian, K. Zheng, and X. Liu*, Delay sensitive adaptive frame aggregation scheme for uplink transmission in IEEE 802.11ax, Journal of Chinese Computer Systems, vol. 43, no. 7, pp. 1529-1534, Jul. 2022. (Corresponding author)
(J11) X. Liu and K. Zheng, Probability-based fusion rule in cooperative spectrum sensing with impact of geographic location, IET Communications, vol. 16, no. 9, pp. 963-976, Jun. 2022. (CCF-C)
(J10) X. Liu and K. Zheng, Trade-offs among sensing, reporting, and transmission in cooperative CRNs, Sensors, vol. 22, no. 13, p. 4753, Jun. 2022.
(J9) X. Jia, K. Zheng, K. Chi, and X. Liu, DDPG-based throughput optimization with AoI constraint in ambient backscatter-assisted overlay CRN, Sensors, vol. 22, no. 9, p. 3262, Apr. 2022.
(J8) K. Zheng, H. Ge, K. Chi, and X. Liu, Energy provision minimization of energy-harvesting cognitive radio networks with minimal throughput demands, Computer Networks, vol. 204, Article ID 108721, Feb. 2022. (CCF-B)
(J7) K. Zheng, W. Sun, X. Liu*, D. Zhao, Y. Xu, and J. Liu, Throughput maximisation for multi-channel energy harvesting cognitive radio networks with hybrid overlay/underlay transmission, IET Communications, vol. 16, no. 3, pp. 274-290, Feb. 2022. (CCF-C)(Corresponding author)
(J6) Y. Lei, J. Yu, S. Chan, W. Wu, and X. Liu, SNLRUX++ for building extraction from high-resolution remote sensing images, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 15, pp. 409-421, Dec. 2021.
(J5) S. Gong, X. Liu, K. Zheng, W. Lu, and Y. Zhu, TDMA scheduling schemes targeting high channel utilization for energy-harvesting wireless sensor networks, IET Communications, vol. 15, no. 16, pp. 2097-2110, Oct. 2021. (CCF-C)
(C1) X. Liu, H. Zheng, K. Zheng, and P. Hu, Optimal transmission strategy for solar harvesting communication, in International Conference on Wireless Communications and Signal Processing (WCSP), Changsha, China, Oct. 2021.
(J4) S. Gong, X. Liu, K. Zheng, X. Tian, and Y. Zhu, Slot-hitting ratio based TDMA schedule for hybrid energy-harvesting wireless sensor networks, IET Communications, vol. 14, no. 12, pp. 1949-1956, Jul. 2020. (CCF-C)
(J3) X. Liu, K. Zheng, X.-Y. Liu, X. Wang, and G. Dai, Towards secure and energy-efficient CRNs via embracing interference: A stochastic geometry approach, IEEE Access, vol. 6, no. 1, pp. 36757-36770, July 2018.
(J2) K. Zheng, Y. Cui, X. Liu, X. Wang, X. Jiang, and J. Tian, Asymptotic analysis of inhomogeneous information-centric wireless networks with infrastructure support, IEEE Transactions on Vehicular Technology, vol. 67, no. 6, pp. 5245-5259, Jun. 2018.
(J1) K. Zheng, J. Zhang, X. Liu, L. Fu, X. Wang, X. Jiang, and W. Zhang, Secrecy capacity scaling of large-scale networks with social relationships, IEEE Transactions on Vehicular Technology, vol. 66, no. 3, pp. 2688-2702, Mar. 2017.

Honors and rewards

Best Paper Award in International Conference on Networking and Network Applications 2021
Awarded Outstanding graduates of Shanghai Jiao Tong University in 2018
Awarded National Scholarship for Graduate Students in 2016
Awarded Outstanding graduates of Nanjing University of Science and Technology in 2013
Third Prize in the 11th “Huawei Cup” National College Student Mathematical Contest In Modeling in 2014
First Prize of Mathematics Competition for College Students of Jiangsu Province in 2010

Teaching

212579 Modern Network Technology and Application (2020-2024)
G126026 Fundamentals of Electronics (2020-2024)
212533 Wireless Networking Technology (2023)

Students

Chenxi Qian (2018-2021, Master, co-advised with Prof. Zhu, H3C)
Yufan Zhang (2019-2022, PhD, co-advised with Prof. Zhu, Zhejiang University of Technology, post-doctor)
Aodi Wang (2020-2023, Master, co-advised with Prof. Zheng, Industrial and Commercial Bank of China, ICBC)
Jiahong Wang (2020-2023, Master, co-advised with Prof. Zheng, Tongxiang Veteran Cadres Bureau)
Zhongwei Lin (2020-2023, Master, co-advised with Prof. Zhu, The First People’s Hospital of Hangzhou Lin’an District)
Bin Xu (2020-2023, Master, co-advised with Prof. Zheng, Hangzhou Aerospace Electronic Technology Co., Ltd.)
Huihui Liu (2021-2024, Master, co-advised with Prof. Zheng, Zhejiang Rural Commercial United Bank)
Rongwei Luo (2021-2024, Master, co-advised with Prof. Zheng, China Telecom Shaoxing Branch)
Xinyu Kuang (2021-2024, Master, co-advised with Prof. Zheng, Uniview)
Xiaodong Li (2021-2024, Master, co-advised with Prof. Zheng, Bank of Shaoxing)
Jiaxiang Xu (2022, Master student, co-advised with Prof. Zheng)
Junsheng Fu (2022, Master student, co-advised with Prof. Zheng)
Biao Zhou (2022, Master student, co-advised with Prof. Zheng)
Anping Chen (2022, Master student, co-advised with Prof. Chi)
Zefu Li (2023, Master student, co-advised with Prof. Zheng)
Junhao Zheng (2023, Master student, co-advised with Prof. Zheng)
Yuxin Chen (2023, Master student, co-advised with Prof. Chi)
Hongyu Wang (2023, Master student, co-advised with Prof. Chi)
Ziheng Li (2024, Master student, joint supervised by Prof. Zheng)
Tingting Li (2024, Master student, joint supervised by Prof. Zheng)
Shijie Liu (2024, Master student, joint supervised by Prof. Zheng)
Donghang Wei (2024, Master student, joint supervised by Prof. Zheng)
Jiaying Kong (2024, Master student, joint supervised by Prof. Chi)