Lexi Xu   Queen Mary University of London, China Unicom, Professor Level Senior Engineer

Biography

I am currently a professor level senior engineer in China Unicom. I received my PhD degree from School of Electronic Engineering and Computer Science, Queen Mary University of London in 2013. Before that, I received MSc degree from Beijing University of Posts and Telecommunications. I am also a  Senior Member of IEEE, a Senior Member of CIC (China Institute of Communications), a Senior Member of CCF (China Computer Federation), a Member of ACM and IET, a professor (part-time) in Beijing University of Posts and Telecommunications,  a PhD Supervisor (part-time) in Beijing Institute of Technology, an industrial tutor of Shenyang Aerospace University, an industrial tutor of Shenyang University of Technology, a double-qualified teacher of NanChang Hangkong University. I also serve as a professor level senior engineer in National Engineering Research Center for Next Generation Internet Broadband Service Application, as well as a China Unicom standards delegate in ITU, ETSI, TMF, 3GPP, IEEE, CCSA. I am named as World's Top 2% Scientists 2022-2024 by Elsevier and Stanford University.

Research Interests:

Self-Organising Networks (SON), Radio Resource Management in LTE-Advanced/5G/6G, Telecom Big Data, Network Operation and Optimisation 

Projects:

1. Data and Artificial Intelligence driven future networks (National Key R&D Program of China)  

2. Integrated heterogeneous data and deep learning based civil big data innovative application and demonstration (MIIT of China - Big data industry development pilot demonstration program)

3. Cross-industry data integration based education big data application and demonstration (MIIT of China - Big data industry development pilot demonstration program) 

4. Research on Routing Strategy of GEO/LEO Millimeter Wave Satellite Network Based on Deep Learning (National Natural Science Foundation of China (NSFC) Program project) 

5. Fundamental Theory and Key Technologies of Highly Efficient Distributed Massive MIMO Systems based on O-RAN Architecture for Beyond 5G (BUPT and China Unicom cooperative project & Apply for NSFC Program) 

6. Research and application of 5G data acquisition, inspection and labeling structure (China Unicom Project)

7. Research of mobile network intelligent construction and optimization using data integration and semantic perception (China Unicom and WeiFang University cooperative project & Apply for NSFC Program)

8. China Unicom “Smart Blue” public service big data platform (China Unicom project)

9. Integrated network operation support and innovative application research based on heterogeneous data and deep learning (China Unicom project)

10. Research and application of intelligent operation and maintenance technology combing mobile network and AI (China Unicom project)

11. Research on big data innovation business and product application (China Unicom project) 

12. China Unicom Xingkong Big Data platform and product (Research and Application of telecom operator big data in typical industries) (China Unicom project)

13. Research and Implementation of Key Technologies for Automation and Intelligent Fault Handling in Large-scale Heterogeneous Mobile Networks (China Unicom project) 

14. Smart terminal based crowd-funding data acquisition and analysis system for cellular network (SASAC of China - National Enterprise Yixing Innovation & Creativity Program)

15. China Unicom mobile networks operation support and application research based on big data (China Unicom project)

16. Research on multi-dimension data acquisition and application of telecom big data (China Unicom project)

17. China Unicom WCDMA/LTE wireless network data analysis and scheme support platform construction (China Unicom project)

18. China Unicom networks evaluation and optimization for ShenYang City project (China Unicom project)

19. China Unicom WCDMA/LTE networks evaluation and diagnosis for JiNan City, ShiJiaZhuang City (China Unicom project) 

20. Research on EPS network quality and performance evaluation method (China Unicom project)

21. Research on the Self-organising load balancing for OFDMA cellular networks

22. Key technique research of Relay in LTE-Advanced networks

23. Research on Adaptive Asymmetric Frequency Division Duplex Technique

24. Piloted Channel Estimation in OFDM System

25. Mobile Communication based ETC System 

Professional Activities:

1.    Professor (part-time) Beijing University of Posts and Telecommunications (BUPT)

2.    PhD Supervisor (part-time) Beijing Institute of Technology (BIT)

3.    Double-qualified Teacher/Tutor for B.S./M.S. students of Nanchang Hangkong University (NHU)

4.    Industrial Tutor for M.S. students of Shenyang Aerospace University (SAU)

5.    Industrial Tutor of Shenyang University of Technology (SUT)

6.   World's Top 2% Scientists 2022, 2023, 2024, named by Elsevier and Stanford University

7.    External Examiner of PhD thesis of University of Engineering & Technology, Pakistan

8.    QMUL-BUPT Joint Programme Industrial Board Member

9.    China Unicom Standards Delegate in ITU-T, ETSI, 3GPP, IEEE

10.    China Unicom Standards Delegate in CCSA (China Communications Standards Association)

11.    Professor Level Senior Engineer in National Engineering Laboratory for Next Generation Internet Broadband Service Application

12.    Senior Member of IEEE, Senior Member of IEEE Communications Society

13.    Founding Member of IEEE Communications Society TCGCC SIG on Green Internet of Vehicles

14.    Senior Member of IEEE Communication Society Satellite and Space Communications (SSC) Technical Committee

15.    Senior Member of IEEE Computer Society, IEEE Big Data Society and IEEE Young Professionals

16.    Senior Member of China Institute of Communications (CIC)

17.   Commissioner of China Institute of Communications (CIC) Electromagnetic Compatibility Committee

18.    Member of ACM, Member of ACM AI and COMM SIG

19.    Member of IET

20.    Member of China Computer Federation (CCF), Special Forum Co-Chair of CCF YEF2020&YEF2021&2022 

Professional in International Conferences and International Journals:

1.   Chair of IEEE TrustCom2021 Workshops (Chair of Big Data Research and Application Workshop 2021, MLSys Workshop2021, AI-driven Network Workshop2021, Next Generation Data-driven Networks Workshop2021)  

2.   Special Sessions Chair, Big Data Workshop Chair of ICSINC2021, Editor of ICSINC2021 Proceedings

3.   Track Chair of IEEE ICT-DM2021

4.   Track Chair of IEEE International Smart Cities Conference2021 (IEEE ISC2-2021)

5.   Sponsorship & Exhibits Chair of EAI MONAMI2021

6.   Chair of IEEE SmartCNS2021 workshops

7.   Big Data Workshop Chair of ICSINC2020Spring, Editor of ICSINC2020 Proceedings

8.   Chair of IEEE ISPA2020 MLFuNet Workshop, AISys Workshop, NGDN Workshop

9.   Chair of IEEE IUCC2019 Workshops (Chair of Big Data Research and Application Workshop2019, AI-driven Network Workshop2019, MLSys Workshop2019, Next Generation Data-driven Networks Workshop2019)

10.    Chair of ICSINC2019Spring Big Data Workshop, Editor of ICSINC2019Spring Proceedings

11.    Session Chair of IEEE ICC2019

12.    Organizer of IEEE ScalCom2019 Big Data Workshop

13.    Chair of ICSINC2018Fall Big Data Workshop, Editor of ICSINC2018Fall Proceedings

14.    TPC Chair of ICSINC2018Spring

15.    Orangizer of IEEE ISCIT2018 Big Data Workshop   

16.    Chair of IEEE HPCC2018 workshop on Next Generation Data-driven Networks

17.    TPC Chair of ICSINC2017 Workshop

18.    Chair of 5GWN2017 workshops

19.    TPC Chair of ICSINC2017 Big data Workshop 

20.    Organizer of IEEE ISCIT2016 Big Data Workshop

21.    TPC Co-chair of ICSINC2015 Workshop on Telecom Big Data based Research and Application

22.    Associate Editor of Frontiers in Space Technologies

23.    Associate Editor of Frontiers in Computer Science

24.    Guest Editor of Electronics: special issue "Secure Distributed Computing and Learning for Future Internet of Things"

25.    Guest Editor of Electronics: special issue "Edge AI for 6G and Internet of Things"

26.    Guest Editor of Electronics: special issue "Satellite-Terrestrial Integrated Internet of Things"

27.    Reviewer of IEEE Transactions on Wireless Communication

28.    Reviewer of IEEE/ACM Transactions on Networking

29.    Reviewer of IEEE Transactions on Vehicular Technology

30.    Reviewer of IEEE Access

31.    Reviewer of IEEE Communications Letters

32.    Reviewer of IEEE Transactions on Network Science and Engineering

33.    Reviewer of IEEE Open Journal of the Computer Society

34.    Reviewer of Elsevier Computer and Information Sciences (Outstanding Contribution in Reviewing Award)

35.    Reviewer of Elsevier Applied Computing and Informatics (Outstanding Contribution in Reviewing Award)

36.    Reviewer of Elsevier Computer Standards & Interfaces

37.    Reviewer of Elsevier Pervasive and Mobile Computing

38.    Reviewer of Elsevier Computers and Electrical Engineering

39.    Reviewer of Elsevier Telematics and Informatics

40.    Reviewer of Wiley International Journal of Communication Systems

41.    Reviewer of Wiley Concurrency and Computation: Practice and Experience

42.    Reviewer of Wiley International Journal of Satellite Communications and Networking

43.    Reviewer of Wiley Wireless Communications and Mobile Computing

44.    Reviewer of Springer Computing

45.    Reviewer of Mobile Networks and Applications

46.    Reviewer of China Communications

47.    Reviewer of Hindawi Journal of Computer Networks and Communications

48.    TPC Member and Reviewer of IEEE ISCIT 2019, IEEE ICC 2020

49.    Reviewer and Session Chair of IET ICCTA 2011

50.    Reviewer of IEEE PIMRC 2012, IEEE ISWTA 2012, IEEE CMC 2009 etc.

Experience in International Standardization and Chinese Standardization:

1.    ITU-T SG2: Proposed updates for management requirements of M.occm

2.    ITU-T SG2: Proposal for adding profit related management requirements of M.occm

3.    ETSI ZSM: ZSM(18)000446 Management service related to service performance assurance

4.    ETSI ZSM: ZSM(18)000449 Providing communication services in the scenario of network slice as NOP internals

5.    ETSI ZSM: ZSM(18)000450 ZSM002 add descriptions of different automation levels

6.    ETSI ZSM: ZSM(18)000451 ZSM002 add domain performance report service

7.    Chinese National Standard: GB∕T 38776-2020 Classification and codes for electronic commerce software component

8.    China Communications Standards Association (CCSA): YD/T 2018-2320 Telecom data service platform – Part 1: High level technical requirements

9.    CCSA: YD/T 2018-2321 Telecom data service platform – Part 2: Terminologies and reference model 

10.    CCSA: YD/T 2018-2322 Telecom data service platform – Part 3: Function and technical specifications

11.    CCSA: YD/T 2021-0208 Telecom data service platform – Part 11: Technical requirements for area planning and insight

12.    etc.

Book, Conference Proceedings, Newspaper, Book Chapter Publication:

1.   Max Eiza, Yue Cao, Lexi Xu, “Toward Sustainable and Economic Smart Mobility: Shaping the Future of Smart Cities,” World Scientific Europe, ISBN-10: 1786347857, ISBN-13: 978-1786347855, DOI: 10.1142/q0233, https://www.worldscientific.com/worldscibooks/10.1142/q0233, 2020

2.   Yue Wang, Lexi Xu, Yufeng Yan, Jiaqi Zou. “Proceedings of the 7th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2020) (LNEE, volume 677)”, Springer Nature Singapore Pte Ltd, ISBN: 978-981-33-4101-2, DOI: https://doi.org/10.1007/978-981-33-4102-9, https://link.springer.com/book/10.1007/978-981-33-4102-9, 2021.

3.   Yue Wang, Meixia Fu, Lexi Xu, Jiaqi Zou. “Proceedings of the 6th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2019) (LNEE, volume 628)” , Springer Nature Singapore Pte Ltd, ISBN: 978-981-15-4162-9, DOI: https://doi.org/10.1007/978-981-15-4163-6, https://link.springer.com/book/10.1007/978-981-15-4163-6, 2020.

4.   Songlin Sun, Meixia Fu, Lexi Xu. “Proceedings of the 5th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2018Fall) (LNEE, volume 550)”, Springer Nature Singapore Pte Ltd, ISBN: 978-981-13-7122-6, DOI: 10.1007/978-981-13-7123-3, https://link.springer.com/book/10.1007/978-981-13-7123-3, 2019.

5.   Jiande Sun, Yue Wang, Mengyao Huo, Lexi Xu. “Proceedings of the 8th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2021)”, Springer Nature Singapore Pte Ltd, under press, 2021.

6.   Lexi Xu. “China Unicom Big Data assists Cross-industry Applications”, China Posts & Telecom Newspaper (RenMin Youdian Newspaper, China), 2019.3.14

7.   Lexi Xu. “China Unicom Big Data Reaches a New Chapter: Assisting Internal Costs Reduction and Efficiency Increase, Promoting Industrial Transformation and Upgrading”, China Posts & Telecom Newspaper (RenMin Youdian Newspaper, China), 2018.12.26

8.   Lexi Xu,Tao Zhang, Lijuan Cao, Chapter 5: Telecom Big Data External Industry Application, “Big Data of Gold Excavation: Telecom Data Gold Mine Details, Mining and Application,” China Machine Press, ISBN: 978-7-111-61113-4, pp.171-231, 2018.  

9.   Xinzhou Cheng, Yong Zhang, etc., Lexi Xu, etc. Chapter 12: Mobile Network Big Data Analysis Method and Industry Application, “Managing Data: Innovation Practice of Telecom Big Data”, China Industry and Information Technology Publishing & Media Group, China Posts & Telecom Press. ISBN: 978-7-115-47455-1, pp.81-88, 2017.

Publications on International Journals and International Conferences (since 2009): 

International Journals:

1. Lexi Xu, Yue Chen, Kok Keong Chai, John Schormans, Laurie Cuthbert, “Self-Organising Cluster-Based Cooperative Load Balancing in OFDMA Cellular Networks,” Wiley Wireless Communications and Mobile Computing, vol.15, no.7, pp. 1171-1187, May 2015, DOI: 10.1002/wcm.2394 (Impact factor 2.336)

2. Lexi Xu, Yuting Luan, Xinzhou Cheng, Yifeng Fan, Haijun Zhang, Weidong Wang, Anqi He, “Telecom Big Data based User Offloading Self-Optimisation in Heterogeneous Relay Cellular Systems,” International Journal of Distributed Systems and Technologies, vol.8, no.2, pp. 27-46, April 2017, DOI: 10.4018/IJDST.2017040103. (Impact Factor 1.05)

3. Gaofeng Cui, Qiping Zhu, Lexi Xu, Weidong Wang, “Secure Beamforming and Jamming for Multibeam Satellite Systems with Correlated Wiretap Channels, ” IEEE Transactions on Vehicular Technology, vol. 69, no. 10, pp. 12348-12353, Oct. 2020, DOI: 10.1109/TVT.2020.3018083. (Corresponding author) (Impact Factor 6.239)

4. Gaofeng Cui, Yating Long, Lexi Xu, Weidong Wang, "Joint Offloading and Resource Allocation for Satellite Assisted Vehicle-to-Vehicle Communication," IEEE Systems Journal, Early Access, 2020, DOI: 10.1109/JSYST.2020.3017710. (Corresponding author) (Impact Factor 3.931)

5. Gaofeng Cui, Xiaoyao Li, Lexi Xu, Weidong Wang, “Latency and Energy Optimization for MEC Enhanced SAT-IoT Networks,” IEEE Access, vol. 8, pp. 55915-55926, 2020. DOI: 10.1109/ACCESS.2020.2982356 (Co-Corresponding author) (Impact Factor 4.098)

6. Juan Chen, Huanlai Xing, Zhiwen Xiao, Lexi Xu, Tao Tao, "A DRL Agent for Jointly Optimizing Computation Offloading and Resource Allocation in MEC," IEEE Internet of Things Journal, early access 2021, DOI: 10.1109/JIOT.2021.3081694. (Co-Corresponding author) (Impact Factor 10.238)

7. Kai Chen, Qinglei Kong, Yijue Dai, Yue Xu, Feng Yin, Lexi Xu, Shuguang Cui, “Recent Advances in Data-Driven Wireless Communication Using Gaussian Processes: A Comprehensive Survey”, China Communications, vol. 19, no. 1, pp. 218-237, January 2022. DOI: 10.23919/JCC.2022.01.016. (Co-Corresponding author) (Impact Factor 3.17)

8. Chaowei Wang, Danhao Deng, Lexi Xu, Weidong Wang, Feifei Gao, "Joint Interference Alignment and Power Control for Dense Networks via Deep Reinforcement Learning," IEEE Wireless Communications Letters, vol. 10, no. 5, pp. 966-970, May 2021, DOI: 10.1109/LWC.2021.3052079. (Impact Factor 5.281)

9. Shuaijun Liu, Jinkun Lin, Lexi Xu, Xianming Gao, Lixiang Liu, Linyan Jiang, “A Dynamic Beam Shut Off Algorithm for LEO Multibeam Satellite Constellation Network,” IEEE Wireless Communications Letters, vol. 9, no. 10, pp. 1730-1733, Oct. 2020, DOI: 10.1109/LWC.2020.3002846. (Impact Factor: 5.281)

10. Tianhao Guo, John Schormans, Lexi Xu, Jinze Wu, Yue Cao, “Proximity as a Service for the Use Case of Access Enhancement Via Cellular Network-Assisted Mobile Device-to-Device,” IEEE Access, vol.8, pp. 31562-31573, 2020. DOI: 10.1109/ACCESS.2020.2972938 (Impact Factor 4.098)

11. Xin Hu, Shuaijun Liu, Yipeng Wang, Lexi Xu, Yuchen Zhang, Cheng Wang, Weidong Wang, “Deep Reinforcement Learning-based Beam Hopping Algorithm in Multibeam Satellite Systems,” IET Communications, vol.13, no.16, pp. 2485-2491, August 2019. DOI: 10.1049/iet-com.2018.5774. (Impact factor 1.664)

12. Yifeng Fan, Haochi Zhang, Jiayuan Yin, Lexi Xu, Yang Hao, Tiejun Cui, “An Active Wideband and Wide-Angle Electromagnetic Absorber at Microwave Frequencies,” IEEE Antennas and Wireless Propagation Letters, March 2016, online publish, DOI: 10.1109/LAWP.2016.2544399 (Impact factor 3.834) 

13. Xu Zhang, Yue Cao, Linyu Peng, Naveed Ahmad, Lexi Xu, “Towards Efficient Battery Swapping Service Operation Under Battery Heterogeneity,” IEEE Transactions on Vehicular Technology, vol. 69, no. 6, pp. 6107-6118, June 2020, DOI: 10.1109/TVT.2020.2989195. (Impact Factor 6.239)

14. Xianglai Liao, Xin Hu, Zhijun Liu, Shijun Ma, Lexi Xu, Xiuhua Li, Weidong Wang, Fadhel M. Ghannouchi, “Distributed Intelligence: A Verification for Multi-Agent DRL Based Multibeam Satellite Resource Allocation,” IEEE Communications Letters, vol. 24, no. 12, pp. 2785-2789, Dec. 2020. DOI: 10.1109/LCOMM.2020.3019437. (Impact Factor 3.553)

15. Zhijun Liu, Xin Hu, Kang Han, Sun Zhang, Linlin Sun, Lexi Xu, Weidong Wang, Fadhel M. Ghannouchi, “Low-Complexity PAPR Reduction Method for OFDM Systems Based on Real-Valued Neural Networks,” IEEE Wireless Communications Letters, vol. 9, no. 11, pp. 1840-1844, Nov. 2020, DOI: 10.1109/LWC.2020.3005656. (Impact Factor 5.281)

16. Xin Hu, Sujie Xu, Libing Wang, Yin Wang, Zhijun Liu, Lexi Xu, You Li, Weidong Wang, "A Joint Power and Bandwidth Allocation Method Based on Deep Reinforcement Learning for V2V Communications in 5G," China Communications, vol.18, no.7, pp.25-35, July 2021, DOI: 10.23919/JCC.2021.07.003. (Impact Factor 3.17)

17. Jiaxing Shang, Shuo Huang, Dingyang Zhang, Zixuan Peng, Dajiang Liu, Yong Li, Lexi Xu, “RNe2Vec: Information Diffusion Popularity Prediction based on Repost Network Embedding,” Springer Computing, vol.103, no.2, pp. 271-289, Feb 2021. (Impact Factor 2.044)

18. Shuohan Liu, Xu Xia, Yue Cao, Xu Zhang, Qiang Ni, Lexi Xu, "Reservation-Based EV Charging Recommendation Concerning Charging Urgency Policy," Sustainable Cities and Society, Elsevier, Early access, vol. 74, Nov 2021, DOI: 10.1016/j.scs.2021.103150. (Impact factor 7.587)

19. Zhijun Liu, Xin Hu, Lexi Xu, Weidong Wang, Fadhel M. Ghannouchi, "Low Computational Complexity Digital Predistortion Based on Convolutional Neural Network for Wideband Power Amplifiers," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 69, no. 3, pp. 1702-1706, March 2022, doi: 10.1109/TCSII.2021.3109973. (Impact factor 3.691)

20. Tianle Mai, Haipeng Yao, Ni Zhang, Lexi Xu, Mohsen Guizani, Song Guo, "Cloud Mining Pool Aided Blockchain-Enabled Internet of Things: An Evolutionary Game Approach," IEEE Transactions on Cloud Computing, Early access, 2021, DOI: 10.1109/TCC.2021.3110965. (Impact Factor 5.697)

21. Huanlai Xing, Haoxiang Qin, Shouxi Luo, Penglin Dai, Lexi Xu, Xinzhou Cheng, "Spectrum Sensing in Cognitive Radio: A Deep Learning Based Model," Transactions on Emerging Telecommunications Technologies, vol. 33, no. 1, e4388, January 2022, DOI: 10.1002/ett.4388. (Impact factor 2.638) 

22. Gaofeng Cui, Mengmin He, Lexi Xu, Weidong Wang, "Co-sharing Waveform Design for Millimeter-Wave Radar Communication Systems," China Communications, accepted, 2022. (Corresponding author) (Impact Factor 3.17)

23. Chaowei Wang, Danhao Deng, Lexi Xu, Weidong Wang, "Resource Scheduling Based on Deep Reinforcement Learning in UAV Assisted Emergency Communication Networks," IEEE Transactions on Communications, vol. 70, no. 6, pp. 3834-3848, June 2022, DOI: 10.1109/TCOMM.2022.3170458. (Impact Factor 6.166)

24. Liang Zhao, Zhihong Yin, Keping Yu, Xiongyan Tang, Lexi Xu, Zhenzhou Guo, Pulkit Nehra, "A Fuzzy Logic Based Intelligent Multi-Attribute Routing Scheme for Two-layered SDVNs," IEEE Transactions on Network and Service Management, vol. 19, no. 4, pp. 4189-4200, Dec. 2022, doi: 10.1109/TNSM.2022.3202741. (Co-Corresponding author) (Impact Factor 4.758)

25. Chaowei Wang, Xiaofei Yu, Lexi Xu, Weidong Wang, "Energy Efficient Task Scheduling Based on Traffic Mapping in Heterogeneous Mobile Edge Computing: A Green IoT Perspective," IEEE Transactions on Green Communications and Networking, 2022, doi: 10.1109/TGCN.2022.3186314. (Co-Corresponding author) (Impact Factor 3.525)

26. Chaowei Wang, Xiaofei Yu, Lexi Xu, Fan Jiang, Weidong Wang, Xinzhou Cheng, "QoS-Aware Offloading Based on Communication-Computation Resource Coordination for 6G Edge Intelligence," China Communications, vol. 20, no.3, pp.236-251, March 2023. doi: 10.23919/JCC.2023.03.017. (Impact Factor 3.17)

27. Gaofeng Cui, Pengfei Duan, Lexi Xu, Weidong Wang, "Latency Optimization for Hybrid GEO-LEO Satellite Assisted IoT Networks," IEEE Internet of Things Journal, early access, 2022, doi: 10.1109/JIOT.2022.3222831. (Corresponding author)(Impact Factor 10.238)

28. Qiang Li, Miaowen Wen, Lexi Xu, Kang Li, "Reconfigurable Intelligent Surface-Aided Number Modulation for Symbiotic Active/Passive Transmission," IEEE Internet of Things Journal, early access 2022, doi: 10.1109/JIOT.2022.3222039. (Impact Factor 10.238)

29. Haoran Pang, Fei Ji, Lexi Xu, Yuan Liu, Miaowen Wen, “Resource Allocation for RSMA-Based Coordinated Direct and Relay Transmission”, IEEE Wireless Communications Letters, early access, 2022, DOI: 10.1109/LWC.2022.3232782.   (Impact Factor 5.281)

30. Chaowei Wang, Xiaofei Yu, Lexi Xu, Ziye Wang, Weidong Wang, "Multimodal semantic communication accelerated bidirectional caching for 6G MEC," Future Generation Computer Systems, vol. 140, March 2023, pp.225-237, doi:10.1016/j.future.2022.10.036. (Co-Corresponding author) (Impact Factor 7.307)

31. Shuohan Liu, Yue Cao, Qiang Ni, Lexi Xu, Yongdong Zhu, Xin Zhang , "Towards Reservation-based E-mobility Service via Hybrid of V2V and G2V Charging Modes," Energy, vol. 268, 126737, April 2023. DOI: 10.1016/j.energy.2023.126737. (Impact Factor 8.857)

32. Wen Sun, Yong Zhao, Wenqiang Ma, Bin Guo, Lexi Xu, Trung Q. Duong, "Accelerating Convergence of Federated Learning in MEC with Dynamic Community," IEEE Transactions on Mobile Computing, early access, 2023, doi: 10.1109/TMC.2023.3241770. (Impact Factor 6.075)

33. Chaowei Wang, Mingliang Pang, Lexi Xu, Lingli Zhao, Yuan Yao, Weidong Wang, "Time Synchronization and Signal Detection in Non-Orthogonal Unicast and Broadcast Networks," IEEE Transactions on Broadcasting, accepted, 2023. (Co-Corresponding author) (Impact Factor 5.194) 

34. Chaowei Wang, Ziye Wang, Lexi Xu, Xiaofei Yu, Zhi Zhang, Weidong Wang, "Collaborative Caching in Vehicular Edge Network Assisted by Cell-free Massive MIMO," Chinese Journal of Electronics, accepted, 2023 (Impact Factor 1.029)

35. Bowen Zhao, Huanlai Xing, Xinhan Wang, Zhiwen Xiao, Li Feng, Lexi Xu, "Classification-Oriented Distributed Semantic Communication for Multivariate Time Series," IEEE Signal Processing Letters, accepted, 2023 (Impact Factor 3.201)

36. Yingzhe Hou, Yue Cao, Hu Xiong, Yujie Song, Lexi Xu, "An Efficient Online Offline Heterogeneous Signcryption Scheme with Equality Test for IoVs," IEEE Transactions on Vehicular Technology, accepted, 2023 (Impact Factor 6.239)

37. Yue Cao, Sifan Li, Chenchen Lv, Di Wang, Hongjian Sun, Jing Jiang, Fanlin Meng, Lexi Xu, Xinzhou Cheng, "Towards Cyber Security for Low-Carbon Transportation: Overview, Challenges and Future Directions," Renewable & Sustainable Energy Reviews, under revision (Impact Factor 16.799)

38. Tianhao Guo, Yujie Wang, Lexi Xu, Muyu Mei, Jia Shi, Lei Dong, Yongjun Xu, Chongwen Huang, "Joint Communication and Sensing Design for Multi-hop RIS-aided Communication Systems in Underground Coal Mines," IEEE Internet of Things Journal, under revision (Impact Factor 10.238)

39. Gaofeng Cui, Mengmin He, Weidong Wang, Lexi Xu, "Interference Situational Aware Beam Pointing Optimization for LEO Satellite Communication System," IEEE Transactions on Aerospace and Electronic System, under revision (Impact Factor 3.491) 

International Conferences:

1. Lexi Xu, Gaofeng Cui, Xin Hu, Shuaijun Liu, Yuwei Jia, Tao Zhang, Jie Gao, Runsha Dong, Yao Zhou, Xinzhou Cheng, Xin He, “Architecture and Technology of Multi-Source Heterogeneous Data System for Telecom Operator,” 7th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2020Spring), 21-24 September 2020, Rizhao, China, pp.1000-1009. (ICSINC2020Spring Best Paper Award)

2. Lexi Xu, Yue Cao, Haochen Yang, Chen Sun, Tao Zhang, Binyuan Wen, Xinzhou Cheng, Chuntao Song, Xin He, “Research on Telecom Big Data Platform of LTE/5G Mobile Networks,” 18th IEEE International Conference on Ubiquitous Computing and Communications (IEEE IUCC2019), 21-23 October 2019, Shenyang, China, pp.756-761. 

3. Lexi Xu, Xuefeng Chen, Liang Zhao, Xin Hu, Nan Jiang, Yuting Luan, Xinzhou Cheng, Jie Gao, “Telecom Big Data Assisted BS Resource Analysis for LTE/5G Systems,” 18th IEEE International Conferences on Ubiquitous Computing & Communications (IEEE IUCC2019), 21-23 October 2019, Shenyang, China, pp. 81-88.

4. Lexi Xu, Xueqing Zhao,Yanli Yu, Yuting Luan, Liang Zhao,Xinzhou Cheng,Kun Chao,Yuwei Jia,Yuhui Han,Haina Ye, “A Comprehensive Operation and Revenue Analysis Algorithm for LTE/5G Wireless System Based on Telecom Operator Data,” 19th IEEE International Conference on Scalable Computing and Communications (IEEE ScalCom2019), 19-23 August 2019, Leicester, United Kingdom, pp. 1521-1524.

5. Lexi Xu, Xueqing Zhao, Yuting Luan, Baisong Ren, Xinzhou Cheng, Yuhui Han, Fan Zhang, Jie Gao, “User Perception Aware Telecom Data Mining and Network Management for LTE/LTE-Advanced Networks,” 4th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2018Spring), 3-5 July 2018, Qingdao P.R.China, pp. 237-245. 

6. Lexi Xu, Xueqing Zhao, Yanli Yu, Yuting Luan, Xinzhou Cheng, Jie Gao, Jian Guan, Kun Chao “Data Mining and Evaluation for Base Station Deployment in LTE Cellular Systems,” 3rd International Conference on Signal and Information Processing, Networking and Computers (ICSINC2017), 13-15 Sept 2017, Chongqing P.R.China, pp. 356-364.

7. Lexi Xu, Yuting Luan, Xinzhou Cheng, Huanlai Xing, Yu Liu, Xiangui Jiang, Weiwei Chen, Kun Chao “Self-Optimised Joint Traffic Offloading in Heterogeneous Cellular Networks,” 16th IEEE International Symposium on Communications and Information Technologies (IEEE ISCIT2016), 26-28 Sept 2016, Qingdao P.R.China, pp.263-267. 

8. Lexi Xu, Xinzhou Cheng, Yu Liu, Weiwei Chen, Yuting Luan, Kun Chao, Mingqiang Yuan, Bingyu Xu, “Mobility Load Balancing Aware Radio Resource Allocation Scheme for LTE-Advanced Cellular Networks,” IEEE International Conference on Communication Technology (IEEE ICCT2015), 18-20 Oct 2015, Hangzhou, P.R.China, pp.806-812.

9. Lexi Xu, Yuting Luan, Xinzhou Cheng, Xiaodong Cao, Kun Chao, Jie Gao, “WCDMA Data based LTE Site Selection Scheme in LTE Deployment,” 1st International Conference on Signal and Information Processing, Networking and Computers (ICSINC2015), 17-18 Oct 2015, Beijing, P.R.China, pp.249-260. 

10. Lexi Xu, Xinzhou Cheng, Yue Chen, Kun Chao, Dantong Liu, Huanlai Xing, “Self-Optimised Coordinated Traffic Shifting Scheme for LTE Cellular Systems,” EAI International Conference on Self-Organizing Networks (ICSON2015), 13-14 Jan 2015, Beijing, P.R.China, vol. 149, pp. 67-75. 

11. Lexi Xu, Yuting Luan, Kun Chao, Xinzhou Cheng, Heng Zhang, John Schormans, “Channel-Aware Optimised Traffic Shifting in LTE-Advanced Relay Networks,” IEEE International Symposium on Personal Indoor and Mobile Radio Communications (IEEE PIMRC2014), 2-5 Sept. 2014, Washington, USA, pp. 1597-1602.

12. Lexi Xu, Yue Chen, KoK Keong Chai, Yuting Luan, Dantong Liu, “Cooperative Mobility Load Balancing in Relay Cellular Networks,” IEEE International Conference on Communication in China (IEEE ICCC2013), 12-14 August 2013, Xi'An, P.R.China, pp.141-146. 

13. Lexi Xu, Yue Chen, KoK Keong Chai, Dantong Liu, Shaoshi Yang, John Schormans, “User Relay assisted Traffic Shifting in LTE-Advanced Systems”, IEEE Vehicular Technology Conference (IEEE VTCSpring2013) 2013, 2-5 June, Dresden, Germany, pp. 1-7. 

14. Lexi Xu, Yue Chen, KoK Keong Chai, Tiankui Zhang, John Schormans, “Cooperative Load Balancing for OFDMA Cellular Networks,” European Wireless 2012, 18-20 Apr. 2012, Poznan, Poland, pp. 1-7. 

15. Lexi Xu, Yue Chen, Yue Gao, Laurie Cuthbert, “A Self-Optimizing Load Balancing Scheme for Fixed Relay Cellular Networks,” IET International Conference on Communication Technology and Application (IET ICCTA2011), 14-16 Oct. 2011, Beijing, China, pp. 306-311. 

16. Lexi Xu, Yue Chen, John Schormans, Laurie Cuthbert, Tiankui Zhang, “User-Vote Assisted Self-Organizing Load Balancing for OFDMA Cellular Systems,” IEEE International Symposium on Personal Indoor and Mobile Radio Communications (IEEE PIMRC2011), 11-14 Sept. 2011, Toronto, Canada, pp. 217-221. 

17. Lexi Xu, Yue Chen, Yue Gao, “Self-organizing Load Balancing for Relay Based Cellular Networks,” IEEE 10th International Conference on Computer and Information Technology (IEEE CIT2010), 29 June - 1 July 2010, Bradford, United Kingdom, pp. 791-796. 

18. Lexi Xu, Yue Chen, “Priority-based Resource Allocation to Guarantee Handover and Mitigate Interference for OFDMA Systems,” IEEE International Symposium on Personal Indoor and Mobile Radio Communications (IEEE PIMRC2019), 13-19 Sept. 2009, Tokyo, Japan, pp. 783-787. 

19. Weidong Wang, Lexi Xu, Yinghai Zhang, Jianrong Zhong, “A Novel Cell-level Resource Allocation Scheme for OFDMA System,” International Conference on Communications and Mobile Computing (IEEE CMC2009), Kunming, China, 6-8 Jan. 2009, vol.1, pp. 287-292.

20. Xin He, Lexi Xu, Jian Guan, Yunyun Wang, Kun Chao, Xijuan Liu, “Cross-screen Tracking Method based on User Behavior Data,” 7th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2020Spring), September 2020, Rizhao, China, pp. 96-971.

21. Jian Guan, Lexi Xu, Tao Zhang, Jie Gao, Xinzhou Cheng, “Research on Evaluation Method of Wireless Network Cross-Boundary Coverage Based on Smart Terminals Location Data,” 18th IEEE International Conferences on Ubiquitous Computing & Communications (IEEE IUCC2019), 21-23 October 2019, Shenyang, China, pp. 607-610.

22. Jin Ge, Lexi Xu, Lei Tong, Yuanbing Tian, Xuan Chen, Xiqing Liu, Shiyu Zhou, Shiyu Hu, “Research and Application of Decision Tree Algorithm in QoS-Aware Service for Fault Diagnosis,” 18th IEEE International Conferences on Ubiquitous Computing & Communications (IEEE IUCC 2019), 21-23 October 2019, Shenyang, China, pp. 684-688.

23. Heng Zhang, Lexi Xu, Xinzhou Cheng, Kun Chao, Xueqing Zhao,"Analysis and Prediction of Employee Turnover Characteristics based on Machine Learning," 18th IEEE International Symposium on Communications and Information Technologies (IEEE ISCIT2018), 26-29 September 2018, Bangkok Thailand, pp. 371-376 .

24. Xinzhou Cheng, Lexi Xu, Tao Zhang, Chen Cheng, Weiwei Chen, Heng Zhang, Yuwei Jia, Haina Ye, “Telecom Big Data based Electromagnetic Wave Research under Haze and Rainstorm,”3rd International Conference on Signal and Information Processing, Networking and Computers (ICSINC2017), 13-15 Sept 2017, Chongqing P.R.China, pp. 420-428.

25. Heng Zhang, Lexi Xu, Xinzhou Cheng, Weiwei Chen, Xueqing Zhao, “Big Data Research on Driving Behavior Model and Auto Insurance Pricing Factors based on UBI,”3rd International Conference on Signal and Information Processing, Networking and Computers (ICSINC2017), 13-15 Sept 2017, Chongqing P.R.China, pp.404-411.

26. Yu Liu, Lexi Xu, Yue Chen, Yifeng Fan, Bingyu Xu, Jingwen Nie, “A Novel Power Control Mechanism based on Interference Estimation in LTE Cellular Networks,” 16th IEEE International Symposium on Communications and Information Technologies (IEEE ISCIT2016), 26-28 Sept 2016, Qingdao P.R.China, pp.397-401.

27. Huanlai Xing, Lexi Xu, Rong Qu, Zhijian Qu, “A Quantum Inspired Evolutionary Algorithm for Dynamic Multicast Routing with Network Coding,” 16th IEEE International Symposium on Communications and Information Technologies (IEEE ISCIT2016), 26-28 Sept 2016, Qingdao P.R.China, pp.186-190.

28. Fan Zhang, Lexi Xu, Heng Zhang, Xinzhou Cheng, Mingjun Mu, “A Novel Evaluation Method of WCDMA RNC Signaling Carrying Capacity,” 16th IEEE International Symposium on Communications and Information Technologies (IEEE ISCIT2016), 26-28 Sept 2016, Qingdao P.R.China, pp.352-356.

29. Xinzhou Cheng, Lexi Xu, Tao Zhang, Yuwei Jia, etc., “A Novel Big Data based Telecom Operation Architecture,” 1st International Conference on Signal and Information Processing, Networking and Computers (ICSINC2015), 17-18 Oct 2015, Beijing, P.R.China, pp. 385-396. 

30. Xinyi Tang, Chen Cheng, Lexi Xu, “Research and Application of Precision Marketing Algorithms for ETC Credit Card based on Telecom Big Data,” 7th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2020Spring), September 2020, Rizhao, China, pp. 1075-1084.

31. Tao Zhang, Haibin Li, Lexi Xu, Jie Gao, Jian Guan, Xinzhou Cheng, “Comprehensive IoT SIM Card Anomaly Detection Algorithm Based on Big Data,”18th IEEE International Conferences on Ubiquitous Computing & Communications (IEEE IUCC 2019), 21-23 October 2019, Shenyang, China, pp.602-606.

32. Yong Zhang, Xinzhou Cheng, Lexi Xu, Xin He, Jian Guan, Kun Chao, Chuntao Song, “A Novel Big Data Assisted Analysis Architecture for Telecom Operator,” 18th IEEE International Conferences on Ubiquitous Computing & Communications (IEEE IUCC 2019), 21-23 October 2019, Shenyang, China, pp. 611-615.

33. Kun Chao, Di Ge, Lexi Xu, Liang Zhao, Yuwei Jia, Xinzhou Cheng, “A Precise Pollution Prevention and Control Method Based on Telecom Operator Data,” 19th IEEE International Conference on Scalable Computing and Communications (IEEE ScalCom2019), 19-23 August 2019, Leicester, United Kingdom,pp. 1525-1528.

34. Changbo Zhu, Xinzhou Cheng, Lexi Xu, Chen Cheng, Tao Zhang, Haina Ye, Jian Guan, “A Novel Base Station Analysis Scheme Based on Telecom Big Data,”20th IEEE International Conference on High Performance Computing and Communications (IEEE HPCC2018), 28-30 June 2018, Exeter, United Kingdom, pp. 1076-1081.

35. Yu Liu, Taichu Shi, Lexi Xu, Jingwen Nie, “End-to-End Algorithm for Recovering Human 3D Model from Monocular Images,” 20th IEEE International Conference on High Performance Computing and Communications (IEEE HPCC2018), 28-30 June 2018, Exeter, United Kingdom, pp.1082-1087.

36. Yu Liu, Jingwen Nie, Lexi Xu, etc., “Clothing Recommendation System based on Advanced User-based Collaborative Filtering Algorithm,” 3rd International Conference on Signal and Information Processing, Networking and Computers (ICSINC2017), 13-15 Sept 2017, Chongqing P.R.China, pp.1-8.

37. Jie Gao, Xinzhou Cheng, Lexi Xu, Lijuan Cao, Chen Cheng, “A Downlink Coverage Self-optimization Algorithm for LTE Cellular Networks Based On Big Data Analytics,” 3rd International Conference on Signal and Information Processing, Networking and Computers (ICSINC2017), 13-15 Sept 2017, Chongqing P.R.China, pp. 373-380.

38. Jie Gao, Xinzhou Cheng, Lexi Xu, Haina Ye, “An Interference Management Algorithm using Big Data Analytics in LTE Cellular Networks,” 16th IEEE International Symposium on Communications and Information Technologies (IEEE ISCIT2016), 26-28 Sept 2016, Qingdao P.R.China, pp.246-251.

39. Xinzhou Cheng, Mingqiang Yuan, Lexi Xu, Tao Zhang, Yuwei Jia, Chen Cheng, Weiwei Chen, “Big Data assisted Customer Analysis and Advertising Architecture for Real Estate,” 16th IEEE International Symposium on Communications and Information Technologies (IEEE ISCIT2016), 26-28 Sept 2016, Qingdao P.R.China, pp.312-317.

40. Kun Chao, Pengfei Wang, Lexi Xu, Danyang Wu, Xinzhou Cheng, Mingjun Mu, “A Novel Big Data based Telecom User Value Evaluation Method,” 1st International Conference on Signal and Information Processing, Networking and Computers (ICSINC2015), 17-18 Oct 2015, Beijing, P.R.China, pp. 375-384. 

41. Jie Gao, Xinzhou Cheng, Lexi Xu, Lijuan Cao, Kun Chao, “A Coverage Self-optimization Algorithm using Big Data Analytics in WCDMA Cellular Networks,” 1st International Conference on Signal and Information Processing, Networking and Computers (ICSINC2015), 17-18 Oct 2015, Beijing, P.R.China.

42. Pengfei Ren, Xinzhou Cheng, Lexi Xu, Mingqiang Yuan, Kun Chao, “A Novel Big Data based Problematical Sectors Detection Algorithm in WCDMA Networks,” 1st International Conference on Signal and Information Processing, Networking and Computers (ICSINC2015), 17-18 Oct 2015, Beijing, P.R.China.

43. Yongfeng Wang, Xinzhou Cheng, Lexi Xu, Jian Guan, etc., “A Novel Complaint Calls Handle Scheme using Big Date Analytic in Mobile Networks,” 1st International Conference on Signal and Information Processing, Networking and Computers (ICSINC2015), 17-18 Oct 2015, Beijing, P.R.China.

44. Tao Zhang, Xinzhou Cheng, Lexi Xu, Xiaodong Cao, Mingqiang Yuan, etc., “A Novel LTE Network Deployment Scheme using Telecom Big Data,” 1st International Conference on Signal and Information Processing, Networking and Computers (ICSINC2015), 17-18 Oct 2015, Beijing, P.R.China.

45. Yuchun Zhang, Liang Zhao, Kaiqi Yang, Lexi Xu, "Mobile Edge Computing for Intelligent Mining Safety: A Case Study of Ventilator," 18th IEEE International Symposium on Parallel and Distributed Processing with Applications (IEEE ISPA2020), 17-19 December 2020, Exeter, United Kingdom, pp. 1300-1305.

46. HanLiang Xiao, Hongyu Peng, Sha Gong, Lexi Xu, "Research on Energy Dispatching Strategy Based on Energy Forecast Algorithm for Data Center," 18th IEEE International Symposium on Parallel and Distributed Processing with Applications (IEEE ISPA2020), 17-19 December 2020, Exeter, United Kingdom, pp. 1444-1449.

47. Lin Lin, Bin Zhu, Quangquan Wang, Lexi Xu, Jia Mu, "A Novel 5G Core Network Capability Exposure Method for Telecom Operator," 18th IEEE International Symposium on Parallel and Distributed Processing with Applications (IEEE ISPA2020), 17-19 December 2020, Exeter, United Kingdom, pp. 1450-1454.

48. Mingxin Li, Mingde Huo, Xinzhou Cheng, Lexi Xu, "Research and Application of AI in 5G Network Operation and Maintenance," 18th IEEE International Symposium on Parallel and Distributed Processing with Applications (IEEE ISPA2020), 17-19 December 2020, Exeter, United Kingdom, pp. 1420-1425.

49. Yunyun Wang, Yongsheng Chi, Jie Gao, Lexi Xu, Xin He, Kun Chao, “A Virtual Optical Network Mapping Algorithm Based on Machine Learning,” 7th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2020Spring), September 2020, Rizhao, China, pp. 972-981.

50. Qingqing Zhang, Yongsheng Chi, Yuhui Han, Lexi Xu, Chen Cheng, Heng Zhang, Tao Zhang, Yuxuan Wu, Xinzhou Cheng, “An evaluation model of user lifetime value based on improved RFM and AHP method,” 7th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2020Spring), September 2020, Rizhao, China, pp. 991-999.

51. Rui Yang, Zhijun Wang, Pan Xie, Lexi Xu, “Big Data Ecological Platform Architecture Design and Construction Practice in Telecommunication Operators,” 7th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2020Spring), September 2020, Rizhao, China, pp. 982-990.

52. Chuntao Song, Yong Wang, Shiyan Zhang, Lexi Xu, “A Low Cost and Easy Implement Highway Accident Detection Model Based on Big Data,” 18th IEEE International Conferences on Ubiquitous Computing & Communications (IEEE IUCC 2019), 21-23 October 2019, Shenyang, China, pp. 597-601.

53. Xinzhou Cheng, Xingtong Liu, Qingqing Zhang, Lexi Xu, Xiaodong Cao, Yu Qin, Heng Zhang, Fan Zhang, Jie Gao, “Post-Evaluation Model of Telecommunication Network Construction Based on AHP,” 18th IEEE International Conferences on Ubiquitous Computing & Communications (IEEE IUCC 2019), 21-23 October 2019, Shenyang, China,pp. 616-620.

54. Rui Yang, Na Liu, Junzhu Li, Lexi Xu, Xinzhou Cheng, Zhenjiang Pang, Zhicheng Zang, “Comprehensive Analysis System and Scenarios of Electric IoT Big Data,” 18th IEEE International Conferences on Ubiquitous Computing & Communications (IEEE IUCC 2019), 21-23 October 2019, Shenyang, China, pp. 747-751.

55. Shoufeng Wang, Fan Li, Hao Ni, Lexi Xu, Meifang Jing, Junyi Yu, Xidong Wang, “Rush Hour Capacity Enhancement in 5G Network Based on Hot Spot Floating Prediction,” 18th IEEE International Conferences on Ubiquitous Computing & Communications (IEEE IUCC 2019), 21-23 October 2019, Shenyang, China, pp. 657-662.

56. Yuwei Jia, Kun Chao, Xinzhou Cheng, Lexi Xu, Xueqing Zhao, Lin Yao, “Telecom Big Data Based Precise User Classification Scheme,” 19th IEEE International Conference on Scalable Computing and Communications (IEEE ScalCom2019), 19-23 August 2019, Leicester, United Kingdom, pp. 1517-1520.

57. Juan Chen,Huanlai Xing, Hai Yang, Lexi Xu, “Network Traffic Prediction Based on LSTM Networks With Genetic Algorithm”, International Conference on Signal and Information Processing, Networking and Computers (ICSINC2018Fall), 29 Nov-1 Dec 2018, Yuzhou, P.R.China, pp. 411-419.

58. Jie Gao, Tao Zhang, Jian Guan, Lexi Xu, Xinzhou Cheng, “A Gender and Age Prediction Algorithm Using Big Data Analytic Based On Mobile APPs Information,” International Conference on Signal and Information Processing, Networking and Computers (ICSINC2018Fall), 29 Nov-1 Dec 2018, Yuzhou, P.R.China, pp. 516-524. (ICSINC2018Fall Best Paper Award) 

59. Aipeng Guo, Chunhui Yuan, Gang He, Lexi Xu, “Research on SDN/NFV Network Traffic Management and Optimization based on BigData and Artificial Intelligence,” 18th IEEE International Symposium on Communications and Information Technologies (IEEE ISCIT2018), 26-29 September 2018, Bangkok Thailand, pp. 377-382.

60. Yuhui Han, Xinzhou Cheng, Meng Ran, Lexi Xu, Chen Cheng, Jie Gao, “A Novel Algorithm of Geographical Portraits based on Telecommunication Data,” International Conference on Signal and Information Processing, Networking and Computers (ICSINC2018Spring), 3-5 July 2018, Qingdao P.R.China, pp. 203-209.

61. Kun Chao, Pengfei Wang, Haina Ye, Lexi Xu, Xinzhou Cheng, Mingjun Mu, Chen Cheng, “Data Mining based Modeling and Application of Mobile Video Service Awareness,” 3rd International Conference on Signal and Information Processing, Networking and Computers (ICSINC2017), 13-15 Sept 2017, Chongqing P.R.China, pp. 389-396.

62. Guanglu Shao, Weiwei Chen, Xinzhou Cheng, Lexi Xu, Tao Zhang, Chen Cheng, “Telecom Big Data based User Analysis and Application in Telecom Industry,” EAI International Conference on 5G for Future Wireless Networks (5GWN2017), 21-23 April 2017, Beijing, P.R.China, pp.99-109. 

63. Tao Zhang, Xinzhou Cheng, Mingqiang Yuan, Lexi Xu, Chen Cheng, Kun Chao, “Mining Target Users for Mobile Advertising based on Telecom Big Data,” 16th IEEE International Symposium on Communications and Information Technologies (IEEE ISCIT2016), 26-28 Sept 2016, Qingdao, P.R.China, pp. 296-301.

64. Haina Ye, Xinzhou Cheng, Mingqiang Yuan, Lexi Xu, Jie Gao, Chen Cheng, “A Survey of Security and Privacy in Big Data,” 16th IEEE International Symposium on Communications and Information Technologies (IEEE ISCIT2016), 26-28 Sept 2016, Qingdao, P.R.China, pp.268-272.

65. Baisong Ren, Chong Pang, Wei He, Lexi Xu, Jiajia Zhu, Jiajia Zhu, Guoqiang Lu “An Intelligent Swarm Clustering Algorithm using Swarm Similarity Measure,” 16th IEEE International Symposium on Communications and Information Technologies (IEEE ISCIT2016), 26-28 Sept 2016, Qingdao, P.R.China, pp.330-335.

66. Runsha Dong, Fei Su, Shan Yang, Lexi Xu, Xinzhou Cheng, Weiwei Chen, “Design and Application on Metadata Management for Information Supply Chain,” 16th IEEE International Symposium on Communications and Information Technologies (IEEE ISCIT2016), 26-28 Sept 2016, Qingdao, P.R.China, pp.393-396.

67. Huanlai Xing, Ying Xu, Rong Qu, Lexi Xu, “A PBIL for Load Balancing in Network Coding based Multicasting,” International Conference on Computational Science and Its Applications (ICCSA), July 2016, Beijing, P.R.China, pp.34-44.

68. Chen Cheng, Xinzhou Cheng, Mingqiang Yuan, Lexi Xu, etc., “Spectrum Allocation based on Data Mining in Heterogeneous Cognitive Wireless Networks,” 1st International Conference on Signal and Information Processing, Networking and Computers (ICSINC2015), 17-18 Oct 2015, Beijing, P.R.China.

69. Yi Li,Yong Wang,Yuchao Jin, Xinzhou Cheng, Lexi Xu, Guanghai Liu, "Research on Wireless Resource Management and Scheduling for 5G Network Slice," 17th International Wireless Communications and Mobile Computing Conference (IWCMC 2021), June 28-July 2 2021, Harbin, P.R.China, pp. 508-513.

70. Doudou Wang, Xin Hu, Quan Xue, Ze Li, Lexi Xu, Weidong Wang, “Resource Scheduling Algorithm on Mobile P2P Distribution Networks,” 18th IEEE International Symposium on Parallel and Distributed Processing with Applications (IEEE ISPA2020), 17-19 December 2020, Exeter, United Kingdom, pp. 666-673. (IEEE ISPA2020 Best Student Paper Award)

71. Runsha Dong, Yanan Zhang, Yang Wu, Xinzhou Cheng, Lexi Xu, “PoC Testing Analysis of Big Data Products,” 7th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2020Spring), September 2020, Rizhao, China, pp. 1027-1034.

72. Yongsheng Chi, Xinzhou Cheng, Chuntao Song, Rui Xia, Lexi Xu, Zhi Li, “Sorting and Utilizing of Telecom Operators Data Assets Based on Big Data,” 18th IEEE International Conferences on Ubiquitous Computing & Communications (IEEE IUCC 2019), 21-23 October 2019, Shenyang, China,pp. 621-625.

73. Jianjian Yang, Xinzhou Cheng, Kun Chao, Yunyun Wang, Lexi Xu, Jie Gao, “An Insight Scheme for Large-Scale Events Based on Telecom Operators Data,” 18th IEEE International Conferences on Ubiquitous Computing & Communications (IEEE IUCC 2019), 21-23 October 2019, Shenyang, China, pp. 626-631.

74. Changbo Zhu, Xinzhou Cheng, Haina Ye, Jianjian Yang, Lexi Xu, Kun Chao, “5G Wireless Networks Meet Big Data Challenges, Trends, and Applications,” 19th IEEE International Conference on Scalable Computing and Communications (IEEE ScalCom2019), 19-23 August 2019, Leicester, United Kingdom, pp. 1513-1516.

75. Xuesong Zhang, Xinzhou Cheng, Haibin Li, Xingtong Liu, Lexi Xu, Hong Jiang, “Security Service Chain Based on SDN&NFV Construction Technology,” 6th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2019),13-16 August 2019, Guiyang, P.R.China, pp. 840-848.

76. Guanggen Guo, Baisong Ren, Gang An, Wendong Wu, Lexi Xu, Hongxing Bai, Zhongxi Zhao, “A Radio Network Differentiation Parameter Optimization Algorithm Based on Clustering,” 3rd International Conference on Signal and Information Processing, Networking and Computers (ICSINC2017), 13-15 Sept 2017, Chongqing P.R.China, pp.1-8.

77. Mingqiang Yuan, Xinzhou Cheng, Tao Zhang, Yongfeng Wang, Lexi Xu, Chen Cheng, Haina Ye, Weiwei Chen, “Crowdfunding assisted Cellular System Analysis and Application,” EAI International Conference on 5G for Future Wireless Networks (5GWN2017), 21-23 April 2017, Beijing, P.R.China, pp.69-78.

78. Chen Cheng, Xinzhou Cheng, Mingqiang Yuan, Chuntao Song, Lexi Xu, “A Novel Cluster Algorithm for Telecom Customer Segmentation,” 16th IEEE International Symposium on Communications and Information Technologies (IEEE ISCIT2016), 26-28 Sept 2016, Qingdao P.R.China, pp.324-329. 

79. Jian Guan, Lijuan Cao, Weiwei Chen, Xinzhou Cheng, Lexi Xu, “A Comprehensive Method of Evaluation for Wireless Network Operation Stability,” 16th IEEE International Symposium on Communications and Information Technologies (IEEE ISCIT2016), Sept 2016, Qingdao P.R.China, pp.342-346.

80. Hongyu Peng, Hanliang Xiao, Tianlu Hao, Kan Wang, Zhenkai Chen, Lexi Xu, “An Improved Energy Saving Strategy for SDN-based Data Center,” 18th IEEE International Symposium on Parallel and Distributed Processing with Applications (IEEE ISPA2020), 17-19 December 2020, Exeter, United Kingdom, pp. 1371-1376.

81. Ya-Nan Zhang, Runsha Dong, Yang Wu, Xinzhou Cheng, Chen Cheng, Lexi Xu, “Research on Classroom Attention Analysis based on Multi-Source Data Correlation,” 7th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2020Spring), September 2020, Rizhao, P.R.China, pp. 903-909.

82. Yuhui Han, Dengsheng Fu, Liang Zhao, Chen Cheng, Xinzhou Cheng, Lexi Xu, “Research on User Behavioral Intention Based on Telecommunication Data,” 19th IEEE International Conference on Scalable Computing and Communications (IEEE ScalCom2019), 19-23 August 2019, Leicester, United Kingdom, pp.1499-1504.

83. Jie Gao, Yu Qin, Xinzhou Cheng, Tao Zhang, Jian Guan, Lexi Xu, “A Best-Marketing Time Prediction Algorithm Based on Big Data Analytics,” 6th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2019), 13-16 August 2019, Guiyang, P.R.China, pp. 746-754. (ICSINC2019 Best Paper Award)

84. Liang Zhao, Yufei Liu, Ahmed Al-Dubai, Zhiyuan Tan, Geyong Min, Lexi Xu, “A Learning-Based Vehicle-Trajectory Generation Method for Vehicular Networking,” 21st IEEE International Conference on High Performance Computing and Communications (IEEE HPCC2019), 10-12 Aug. 2019, Zhangjiajie, P.R.China, pp. 519-526.

85. Chen Cheng, Xinzhou Cheng, Mingqiang Yuan, Kun Chao, Shiyu Zhou, Jie Gao, Lexi Xu, Tao Zhang, “A Novel Architecture and Machine Learning Algorithm for Real Estate,” 3rd International Conference on Signal and Information Processing, Networking and Computers (ICSINC2017), 13-15 Sept 2017, Chongqing P.R.China, pp. 491-499.

86. Mingxin Li, Mingde Huo, Lexi Xu, Xinzhou Cheng, Xin Zhao," Research and application of intelligent antenna feeder optimization system based on big data," 20th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom2021), accepted, 18-20 August 2021, Shenyang, P.R.China.

87. Lijuan Cao, Xinzhou Cheng, Lexi Xu, Chen Cheng, Yi Li, Yuwei Jia, Chuntao Song, Heng Zhang, "Preference Recommendation Scheme based on Social Networks of Mobile Users," 20th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom2021), accepted, 18-20 August 2021, Shenyang, P.R.China.

88. Heng Zhang,Yuhan Liu, Lexi Xu, Xinzhou Cheng, Lijuan Cao, Wei Xia, Ciguang Yang, "Evaluation and Application of News Transmission Speed in New Media Environment," 20th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom2021), accepted, 18-20 August 2021, Shenyang, P.R.China.

89. Mingxin Li, Mingde Huo, Xinzhou Cheng, Lexi Xu, Xiaojing Liu, Rui Yang, "Joint offloading decision and resource allocation of 5G edge Intelligent Computing for complex industrial application," 20th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom2021), accepted, 18-20 August 2021, Shenyang, P.R.China.

90. Yuhui Han, Chen Cheng, Xinzhou Cheng, Lexi Xu, Yuchao Jin, "A new algorithm for demographic expansion based on multi-scene differentiated communication data," 20th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom2021), accepted, 18-20 August 2021, Shenyang, P.R.China.

91. Yuchao Jin, Yi Li, Deyi Li, Xinzhou Cheng, Lexi Xu, Yuhui Han, "Cell Coverage Boundary Prediction and Base Station Location Verification Based on Machine Learning," 20th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom2021), accepted, 18-20 August 2021, Shenyang, P.R.China.

92. Hongyu Peng, Fujian Sun, Kan Wang, Tianlu Hao, Dequan Xiao, Lexi Xu, "A Non-Cooperative Data Center Energy Consumption Optimization Strategy Based on SDN Structure," 20th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom2021), accepted, 18-20 August 2021, Shenyang, P.R.China.

93. Xiqing Liu, Jinghong Shui, Shiyu Zhou, Zhenqiao Zhao, Xinzhou Cheng, Lexi Xu, "Key technologies for 5G co-construction and shared base station data automatic configuration," 20th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom2021), accepted, 18-20 August 2021, Shenyang, P.R.China.

94. Yuwei Jia, Kun Chao, Xinzhou Cheng, Jian Guan, Lijuan Cao, Yi Li, Chen Cheng, Yuchao Jin, Lexi Xu, "A Hybrid User Recommendation Scheme Based on Collaborative Filtering and Association Rules," 20th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom2021), accepted, 18-20 August 2021, Shenyang, P.R.China.

95. Chen Cheng, Xinzhou Cheng, Yuting Zheng, Lijuan Cao, Yuhui Han, Yuwei Jia, Qingqing Zhang, Yi Zhang, Ya’nan Zhang, Lexi Xu, "A Novel Architecture and Algorithm for Prediction of Students Psychological Health based on Big Data," 20th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom2021), accepted, 18-20 August 2021, Shenyang, P.R.China.

96. Chuntao Song, Wang Yong, Xinzhou Cheng, Lexi Xu, "Resident Area Determination Model based on Big Data and Large Scale Matrix Calculation," 8th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2021), accepted, September 2021, Jinan, P.R.China.

97. Zhenqiao Zhao, Xiqing Liu, Jie Miao, Shiyu Zhou, Xinzhou Cheng, Lexi Xu, Xin He, "Research on Automated Test and Analysis System for 5G VoNR Service, "8th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2021), accepted, September 2021, Jinan, P.R.China.

98. Xiaomeng Zhu, Zijing Yang, Guanghai Liu, Yi Li, Lexi Xu, Xinzhou Cheng, Runsha Dong, "Cell Expansion Priority Recommendation based on Prophet Algorithm, "8th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2021), accepted, September 2021, Jinan, P.R.China. 

99. Yuting Zheng, Tao Zhang, Guanghai Liu, Yi Li, Chen Cheng, Lexi Xu, Xinzhou Cheng, Xiaodong Cao, "Research of New Energy Vehicles User Portrait and Vehicle-Owner Matching Model based on Multi-source Big Data," 8th International Conference on Signal and Information Processing, Networking and Computers (ICSINC2021), accepted, September 2021, Jinan, P.R.China.

Patents & Software Copyright:  

Authorized Chinese Patents:

1. ZL201710069664.7, Detection method and device for structural rationality of LTE cell

2. ZL201510874167.5, A method and device for network capacity expansion

3. ZL201710608167.X, A method and device for reducing inter cell interference

4. ZL201410171954.9, A method and device for interference troubleshooting of mobile communication system

5. ZL201611027414.9, A management method and device for cell coverage

6. ZL201910239113.X, Grid processing method and device

7. ZL201811400416.7, A user replacement prediction method and system

Chinese Patents under Examining and Publicity:

1. CN201911288605.4, A cell evaluation method and device (An analysis method of 4G cellular cell operation income and use efficiency)

2. CN201910185913.8, Evaluation method and device of Base Station (An evaluation method for operation stability of LTE base station)

3. CN201810273731.1, A method for judging the efficiency of 4G Base Station

4. CN201910024391.3, A management method and server for polluting enterprises

5. CN202010469428.6, Violation monitoring method and device

6. CN201911167731.4, A behavior prediction method and device (An XGBOOST optimization algorithm and a credit card precision marketing method based on the algorithm and telecom data)

7. CN201911001758.6, A data processing method and device (an air pollution population impact assessment method based on big data)

8. CN201810273999.5, A network analysis method, server and network system

9. CN201810097299.5, An on-board communication method and system

10. CN201410012550.5, A method and device for checking data consistency

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Authorized Chinese Software Copyright:

1. NO.3712404, "Smart blue" big data based air pollution prevention and control platform V1.0

Awards of Research & Projects:  

Awards list: