1. Y.C. Tung, E.C. Liou, P.C. Hu and C.H. Yu, "Vwa-6g Ai Assisted Continuous Security Monitoring Over Open Ran Service Management Orchestration," Computers & Security Journal, July 2024, Under Review. (SCI, Corr. Author)
2. D.S. Lee, E.C. Liou “5G Private Network Communication Security Development Trends under O-RAN Architecture” Frontier Technology and Management Vol. 11, No. 1, 2022
3. Y.D. Lin, Y.K. Lai, Y.L. Tsou, Y.C. Lai, E.C. Liou, Y.T. Chiang, "Generic Validation Criteria and Methodologies for SDN Applications," IEEE Systems Journal, June 2019. (SCI, EI)
4. W.P. Lai and E.C. Liou, "Virtual queue dropping for robust real-time video over IEEE 802.11aa wireless LANs," EURASIP Journal on Wireless Communications and Networking, Vol. 2012, No. 150, 21 pages, 2016. (SCI)
5. W.P. Lai and E.C. Liou, "A novel scheduler design for wireless video over 802.11aa networks using priority weighting and dropping," International Journal of Future Generation Communication and Networking, Vol. 6, No. 4, 10 pages, 2013 (EI)
6. W.P. Lai and E.C. Liou, "A novel cross layer design using comb-shaped quadratic packet mapping for video delivery over 802.11e wireless ad-hoc networks," EURASIP Journal on Wireless Communications and Networking, Vol. 2012, No. 59, 28 pages, 2012. (SCI)
7. W.P. Lai and E.C. Liou, "SB-DRED: a novel congestion control algorithm for H.264 video streaming over 802.11e," International Journal of Grid and Utility Computing, Vol. 3, No. 4, 18 pages, 2012. (EI)

1. Y.C. Tung, *E.C. Liou, C.H. Cheng, T.H. Lin, S.M. Chuang (2023) "Closed-loop Security Management for Developing O-RAN Infrastructure and B5G RIC Applications," International conference of 23th WPMC, Tampa, Florida, Nov. 19-22, pp.278-281 (EI and IEEE Xplore) (Corr. Author)
2. E.C. Liou: S.C. Cheng (2020) “A QoS benchmark system for telemedicine communication over 5G uRLLC and mMTC scenarios” Proc. Of 2nd Eurasia Conference on Biomedical Engineering, Healthcare and Sustainability 2020 (IEEE ECBIOS 2020), Tainan, Taiwan, May. 2020 (EI and IEEE Xplore) (First, Corr. Author)
3. E.C. Liou; C.C. Kao; C.H. Chang; Y.S. Lin; G.D. Wu (2018) “Internet of Underwater Things: Challenges and Routing Protocols” Proc. Of 2018 IEEE International Conference on Applied System Innovation 2018 (IEEE ICASI 2018), Chiba, Japan, Apr. 2018 (EI and IEEE Xplore) (First, Corr. Author)
4. W.P. Lai, C.H. Lin and E.C. Liou (2015), “Minimum Background Fairness for Quality Video Delivery over the LTE Downlink,” Proc. IEEE 2015 International Conference on Intelligent Networking and Collaborative Systems (INCoS’15), Taipei, Taiwan Oct. 2015, pp. 246-251 (EI and IEEE Xplore)
5. W.P. Lai, E.C. Liou and Y.H. Chiu (2015), “RGI: Bit-rate Modeling of a Novel Real-time Picture-Importance Scheme for Robust Video over the LTE Downlink,” Proc. IEEE 2015 International Conference on Connected Vehicles and Expo (ICCVE’15), Shenzhen, China, Oct.2015. (EI and IEEE Xplore)
6. W.P. Lai, E.C. Liou and P.C. Chen (2015), “PAW: Priority based Adaptive Weighting for Software Defined Video Load Balancing,” Proc. IEEE 2015 International Conference on Consumer Electronics-Taiwan (ICCE-TW'15), Taipei, Taiwan, Oct. 2015, pp. 144-145. (EI and IEEE Xplore)
7. W.P. Lai, E.C. Liou and P.C. Chen (2014), “Radio Resource Scheduling Using Packet-Level Service Differentiation for Video over the LTE Downlink,” Proc. of 2014 IEEE/CIC International Conference on Communications in China (ICCC), ShanGhai, China, Oct. 2014. (EI and IEEE Xplore)
8. W.P. Lai, W.H. Fu and E.C. Liou (2013), “On the Video Importance of Multiple Reference Frames,” Proc. of 2013 7th Asia Modelling Symposium (AMS), Jul. 2013, Hong Kong. (EI and IEEE Xplore)
9. W.P. Lai and E.C. Liou (2013), “A Novel Packet Priority Scheme and Mapping Algorithm for Scalable Video over Wireless Ad-hoc Networks,” Proc. of 2013 Wireless and Optical Communication Conference (WOCC), Chongqing, China, May 2013. (EI and IEEE Xplore)
10. W.P. Lai, E.C. Liou and W. H. Fu (2011), “Dispersive Video Frame Importance Driven Probabilistic Packet Mapping for 802.11e Based Video Transmission,” Proc. IEEE 3rd Int. Conf. on Intelligent Networking and Collaborative Systems (INCoS’11), Fukuoka, Japan, Nov. 2011, pp. 424–429. (EI, ISTP/ISI, and INSPEC)
11. W.P. Lai and E.C. Liou (2011), "Adaptive Block Distance Interpolation for MDC Frame Recovery," Proc. IEEE 2011 International Conference on Computer and Network Engineering, Zhengzhou, China, Jun. 2011, vol. 1, pp. 129-133. (EI, ISTP/ISI, and IEEE Xplore)
12. W.P. Lai and E.C. Liou (2011), "Adaptive Vector Length Interpolation for Whole-Frame Error Concealment of Temporal MDC," Proc. 13th IEEE International Conference on Advanced Communication Technology, Phoenix Park, Korea, Feb 2011, pp. 1136-1141. (EI, SCOPUS, CPCI, INSPEC, and IEEE Xplore)
13. W.P. Lai and E. C. Liou (2009), "Performance Analysis of SIP/RTP Based NAT Traversal Servers for VoIP," Proc. 2009 International Symposium on Digital Life Technologies, Tainan, Taiwan, May 2009, pp. 39-42.

12. Next-Generation Mobile Communication Vertical Application Demonstration Base Project, Ministry of Education, 23/07 – 25/03
13. Frontier Technology and System Academic Research Center, National Science and Technology Council, 24/05– 25/04
14. Smart Campus Dedicated Mobile Communication Network, Industry-Academia, 23/09 – 25/08
15. Next-Generation Mobile Network Security Technology and Basic Research, National Science and Technology Council, 23/06 – 25/05
16. 6G Network Supporting 3D Intelligent Communication, National Science and Technology Council, 23/06 – 25/05

1. Hong-Wei Jian, En-Cheng Liou, et. al. “Digital Governance - Resilience, AI, Regulation”, Hanlu Publishing Co., Ltd., 2023, pp 28-51, ISBN 978626-97959-9-4

US Invention Patents:

1. E.C. Liou, L.F. Chen, C.H Yang, “System and method for expansion of open radio access network”, Publication of US20240080378A1, Inventec Corp, 2024 (First Author)
2. E.C. Liou, L.F. Chen, C.H Yang, “Auxiliary positioning system and method”, Publication of US20240077567A1, Inventec Corp, 2024(First Author)
3. E.C. Liou, et. Al. “Apparatus and method for 5g security management of malicious device based on open-radio access network architecture,” Publication of US20230379714A1, National Yang Ming Chiao Tung University NYCU, 2024 (First Author)
4. T.S. Lee, E.C. Liou, et. Al. “Quality of experience optimization system and method” US 11,570,063 B2, National Yang Ming Chiao Tung University, 2023 (Corr. Author)
5. K.T. Feng, E.C. Liou, et. Al. “High-mobility resource allocation system and method for simulated users”, US11533637B2, National Yang Ming Chiao Tung University NYCU, 2022 (Corr. Author)
6. E.C. Liou, T.S. Lee, et. Al. “Multiple telecommunication endpoints system and testing method thereof based on ai decision,” Publication of US20220066919A1, National Yang Ming Chiao Tung University NYCU, 2022 (First Author, Corr. Author)
7. E.C. Liou, T.S. Lee, et. Al. “System for synthesizing signal of user equipment and method thereof,” US11309980B2, National Yang Ming Chiao Tung University NYCU, 2022 (First Author, Corr. Author)
8. E.C. Liou, T.S. Lee, et. Al. “System and method of emulating radio device,” US11044026B1, National Yang Ming Chiao Tung University NYCU, 2021 (First Author, Corr. Author)

Taiwan Invention Patents:

1. En-Cheng Liou, Yu-Chi Tseng, Chung-Hsiang Cheng et. al. “Security System for Managing 5G Open Architecture Infrastructure,” ITW230099, Under Review, 2023
2. En-Cheng Liou, Lien-Feng Chen, Chang-Han Yang, “System and Method for Expanding Open Radio Access Network” TW111134611, Under Review, 2022
3. En-Cheng Liou, Lien-Feng Chen, Chang-Han Yang, “Auxiliary Positioning System and Method” TW111134611, Under Review, 2022
4. En-Cheng Liou, Pao-Shu Lin, Chung-Hsiang Cheng et. al. “5G Malicious Device Management System and Method for Open Radio Access Network Architecture,” I814390, National Yang Ming Chiao Tung University, 2023/12.
5. Da-Sung Lee, En-Cheng Liou, Yu-Chien Lin et. al. “Quality of Experience Optimization System and Method” I767599, National Yang Ming Chiao Tung University, 2022/09
6. Ting-Chien Pai, Hao-Cheng Wang, En-Cheng Liou et. al. “Traffic Generation Method and Traffic Generation Device” I768912, Chun-Chun Technology Co., Ltd., 2022/06
7. Ting-Chien Pai, Hao-Cheng Wang, En-Cheng Liou et. al. “Packet Generation Method and Packet Generation System Configuration Method” I768912, Chun-Chun Technology Co., Ltd. 2022/06
8. Kai-Tian Fang, En-Cheng Liou, Pei-Ying Wu et. al. “High-Mobility Resource Allocation System and Method for Simulated Users” I765523, National Yang Ming Chiao Tung University, 2022/05
9. En-Cheng Liou, Da-Sung Lee, Kai-Tian Fang et. al. “Multi-Telecommunication Endpoint System and Testing Method thereof Based on AI Decision,” I752614, National Yang Ming Chiao Tung University, 2022/03
10. En-Cheng Liou, Da-Sung Lee, Chia-Hung Lin et. al. “Virtual User Equipment Signal Synthesis System and Method” I739481, National Yang Ming Chiao Tung University, 2021/09
11. En-Cheng Liou, Da-Sung Lee, Yi-Wei Chen et. al. “Wireless Device Emulation System and Method,” I737191, National Yang Ming Chiao Tung University, 2021/08
12. Jun-Hong Hsu, Ying-Ta Lin, En-Cheng Liou et. al. “Method for Repairing Wireless Distributed Systems Under Software-Defined Network Architecture,” I701921, 2020/08

•      ISO 17025 Manager

•      ISO 27001 Leader Auditor

•      Project Manager Professional

50. Developing 5G O-RAN Security Solutions: Yang Ming Chiao Tung University and Lite-On Technology Win 2023 Global Small Cell Forum Award (2023-06)