Shao-Yu Lien

Experiences

National Yang Ming Chiao Tung University (NYCU)

Institute of Computational Intelligence

Director                                                                                                                     Aug. 2025 - Now

National Yang Ming Chiao Tung University (NYCU)

Institute of Intelligent Systems

Professor                                                                                                                   Feb. 2025 - Now

Associate Professor                                                                                                  Feb. 2023 - Jan. 2025

Institute for Information Industry (財團法人資訊工業策進會)

Software Technology Institute (軟體技術研究院)

Technical Director (技術總監)                                                                        May 2022 - Now

Institute for Information Industry (財團法人資訊工業策進會)

Smart System Institute (智慧系統研究所)

Technical Director (技術總監)                                                                                May 2020 - Apr. 2022

National Chung Cheng University (CCU)

Department of Computer Science and Information Engineering

Associate Professor                                                                                                  Aug. 2019 - Jan. 2023

Assistant Professor                                                                                                   Aug. 2017 - Jul. 2019

National Formosa University (NFU)

Department of Electronic Engineering

Associate Professor                                                                                                  Feb. 2016 - Jul. 2017

Assistant Professor                                                                                                   Feb. 2013 - Jan. 2016

Massachusetts Institute of Technology

Visiting Postdoctoral Researcher                                                                      Fall 2012

National Taiwan University

Postdoctoral Research Fellow                                                                          July 2012 - Jan. 2013

Cheng Kung Ling and Coast Guard Administration (Military Service)

Platoon Leader, Second Lieutenant                                                                  Aug. 2011 - July 2012

Research

• 6G Mobile Networks

• Artificial Intelligence and Machine Learning Computing

• Robotics and Unmanned Vehicle Networks

Awards

• 2025 Future Tech Award, National Science and Technology Council 2025 未來科技獎

• Best Student Paper Award, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) 2023

• Best Paper Award, IEEE Asia Pacific Conference on Wireless and Mobile (APWiMob) 2023  

• Best Paper Award, International Symposium on Wireless Personal Multimedia Communications (WPMC) 2022

• Excellent Paper Award, College of Engineering, National Chung Cheng University 2022 國立中正大學工學院優秀論文獎 

• Excellent Paper Award, College of Engineering, National Chung Cheng University 2021 國立中正大學工學院優秀論文獎

• Honorable Mention, Innovative Research Findings Competition for Young Scholars, Taiwan Comprehensive University System 2021 臺灣綜合大學系統年輕學者創新研發成果選拔佳作獎 

• Young Facility Award, National Chung Cheng University 2020 國立中正大學青年學者獎

• Best Young Professional Member Award, IEEE Tainan Section 2019 

• Outstanding Paper Award, IEEE Communications Society Asia-Pacific Region 2014

• Scopus Young Researcher Award, Elsevier 2014

• Young Research Award, URSI Asia-Pacific Radio Science Conference (AP-RASC) 2013 

• Best Paper Award, IEEE International Conference on Communications (ICC) 2010 

Honors

• Associate Editor, IEICE Transactions on Communications, 2025-2029

• World's Top 2% Scientists 2024

• World's Top 2% Scientists 2023

• World's Top 2% Scientists 2022

• World's Top 2% Scientists 2021

• World's Top 2% Scientists 2020

• Three IEEE papers had been listed in ESI Highly Cited Paper

• Article in IEEE Communications Magazine has been listed as IEEE ComSoc Best Reading (in Device-to-Device Communications), issued in 2016 and updated in 2018

Publications

Books/Chapters

1. S.-Y. Lien and D.-J. Deng, "Sidelink Transmissions and Proximity Services in LTE-A and Beyond," Encyclopedia of Wireless Networks, 2020.

2. S.-Y. Lien and H.-L. Tsai, "D2D in Vehicular Networks," 5G REF: The Essential 5G Reference Online, John Wiley & Sons, 2019

3. S.-Y. Lien and H. Hsu, "Chapter 18: Medium Access Control, Resource Management, and Congestion Control for M2M Systems," Key Technologies for 5G Wireless Systems, Cambridge University Press, 2017

4. S.-Y. Lien, S.-C. Hung, C.-H. Zeng, H. Hsu, Q. Cui, and K.-C. Chen, "Chapter 12: Radio Resource Management of Heterogeneous Cloud Radio Access Networks," Emerging Technologies for 5G Wireless Systems, Cambridge University Press, 2016.

5. K.-C. Chen and S.-Y. Lien, “Chapter 6: Machine-to-Machine Communications for CONASENSE,” Convergence of Communications, Navigation, Sensing, and Service, River Publisher, Jun. 2014.

6. K.-C. Chen and S.-Y. Lien, “Chapter 10: Cognitive Radio Resource Management in Autonomous Femtocell Networks,” Small Cell Networks: Deployment, PHY Techniques, and Resource Management, Cambridge University Press, Jun. 2013.

Journals

1. Y. Cao, S.-Y. Lien, Y.-C. Liang, and D. Niyato, "Toward Intelligent Non-Terrestrial Networks through Symbiotic Radio: A Collaborative Deep Reinforcement Learning Scheme," IEEE Network, vol. 39, no. 1, pp. 211-219, Jan. 2025.

2. S.-Y. Lien, C.-C. Tseng, W.-C. Hung, C.-Y. Tsai, T.-Y. Liu, D.-J. Deng, Y.-C. Lin, S.-C. Lin, C.-C. Chang, S.-F. Chang, "Open Radio Access Network RIC Empowered Reconfigurable Intelligent Surface: A Physical-Layer Security Perspective," IEEE Transactions on Industrial Cyber-Physical Systems, vol. 2, pp. 615-625, Oct. 2024.

3. Y. Cao, S.-Y. Lien, C.-H. Yeh, D.-J. Deng, Y.-C. Liang, and D. Niyato, "Learning-based Multi-tier Split Computing for Efficient Convergence of Communication and Computing," IEEE Internet of Things Journal, vol. 11, no 20, pp. 33077-33096, Oct. 2024.

4. Y. Cao, S.-Y. Lien, Y.-C. Liang, and D. Niyato, "Multi-Tier Deep Reinforcement Learning for Non-Terrestrial Networks," IEEE Wireless Communications, vol. 31, no. 3, pp. 194-201, June 2024.

5. S.-Y. Lien, Y.-C. Huang, C.-C. Tseng, S.-C. Lin, S.-L. I, X. Xu, and D.-J. Deng, "Universal Vertical Application Adaptation for O-RAN: Low-Latency RIC and Autonomous Intelligent xAPP Generation," IEEE Communications Magazine, vol. 62, no. 5, pp. 80-86, May 2024.

6. Y. Cao, S.-Y. Lien, Y.-C. Liang, D. Niyato, and X. Shen, "Collaborative Computing in Non-Terrestrial Networks: A Multu-Time-Scale Deep Reinforcement Learning Approach," IEEE Transactions on Wireless Communications, vol. 25, no. 5, pp. 4932-4949, May 2024.

7. S.-Y. Lien, S.-H. Yeh, and D.-J. Deng, "Optimum Splitting Computing for DNN Training Through Next Generation Smart Networks: A Multi-Tier Deep Reinforcement Learning Approach," Wireless Networks, vol. 30, pp. 1737-1751, Jan. 2024.

8. S.-C. Lin, C.-H. Lin, L.C. Chu, and S.-Y. Lien, “Enabling Resilient Access Equality for 6G LEO Satellite Swarm Networks,” IEEE Internet of Thing Magazine, vol. 6, no. 3, pp. 38-43, Sept 2023.

9. S.-Y. Lien and D.-J. Deng, "Intelligent Session Management for URLLC in 5G Open Radio Access Network: A Deep Reinforcement Learning Approach," IEEE Transactions on Industrial Informatics, vol. 19, no. 2, pp. 1844-1853, Feb. 2023. 

10. S.-Y. Lien and D.-J. Deng, "Autonomous Non-Terrestrial Base Station Deployment for Non-Terrestrial Networks: A Reinforcement Learning Approach," IEEE Transactions on Vehicular Technology, vol. 71, no. 10, pp. 10894-10909, Oct. 2022.

11. Y. Cao, S.-Y. Lien, Y.-C. Liang, K.-C. Chen and X. Shen, "User Access Control in Open Radio Access Networks: A Federated Deep Reinforcement Learning Approach," IEEE Transactions on Wireless Communications, vol. 21, no. 6, pp. 3721-3736, June 2022. 

12. S.-Y. Lien and H.-L. Tsai, "3GPP V2X on Unlicensed Spectrum: Performance Analysis and Optimum Channel Access Strategies," IEEE Transactions on Vehicular Technology, vol. 7, no. 9, pp. 9230-9243, Sept. 2021. 

13. Y. Cao, S.-Y. Lien, and Y.-C. Liang, "Deep Reinforcement Learning for Multi-User Access Control in Non-Terrestrial Networks," IEEE Transactions on Communications, vol. 69, no. 3, pp. 1605-1619, Mar. 2021. 

14. D.-J. Deng, S.-Y. Lien, C.-C. Lin, M. Gan, and H.-C. Chen, "IEEE 802.11ba Wake-Up Radio: Performance Evaluation and Practical Designs," IEEE Access, vol. 8, pp. 141547-141557, July 2020. 

15. S.-Y. Lien, D.-J. Deng, C.-C. Lin, H.-L. Tsai, T. Chen, C. Guo, and S.-M. Cheng, "3GPP NR Sidelink Transmissions Toward 5G V2X," IEEE Access, vol. 8, pp. 35368-35382, Feb. 2020. 

16. S.-Y. Lien, Y.-L. Shiau, and D.-J. Deng, "Throughput Analysis of 3GPP Licensed-Assisted Access Using Multiple Carriers," ACM/Springer Mobile Networks and Applications (MONET), vol. 24, no. 5, pp. 1596-1602, Oct. 2019. 

17. D.-J. Deng, M. Gan, Y.-C. Guo, J. Yu, Y.-P. Lin, S.-Y. Lien, and K.-C. Chen, "IEEE 802.11ba: Low-Power Wake-Up Radio for Green IoT," IEEE Communications Magazine, vol. 57, no. 7, pp. 106-112, July 2019.

18. S.-Y. Lien, S.-C. Hung, D.-J. Deng, C.-L. Lai, and H.-L. Tsai, "Low Latency Radio Access in 3GPP Local Area Data Networks for V2X: Stochastic Optimization and Learning," IEEE Internet of Things Journal, vol. 6, no. 3, pp. 4867-4879, Jun. 2019. 

19. S.-Y. Lien, Y.-C. Kuo, D.-J. Deng, H.-L. Tsai, A. Vinel and A. Benslimane, "Latency-Optimal mmWave Radio Access for V2X Supporting Next Generation Driving Use Case," IEEE Access, vol. 7, pp. 6782-6795, Dec. 2018. 

20. S.-Y. Lien, S.-C. Hung, and H. Hsu, "Latency Control in Edge Information Cache and Dissemination for Unmanned Mobile Machines," IEEE Transactions on Industrial Informatics, vol. 14, no. 10, pp. 4612-4621, Oct. 2018. 

21. S.-Y. Lien, S.-C. Hung, D.-J. Deng, and Y.J. Wang, "Optimum Ultra-Reliable and Low Latency Communications in 5G New Radio," ACM/Springer Mobile Networks and Applications (MONET), vol. 23, no, 4, pp. 1020-1027, Aug. 2018. 

22. S.-Y. Lien, S.-C. Hung, H. Hsu and D.-J. Deng, "Energy-Optimal Edge Content Cache and Dissemination: Designs for Practical Network Deployment," IEEE Communications Magazine, vol. 56, no. 5, pp. 88-93, May 2018. 

23. S.-Y. Lien, D.-J. Deng, H.-L. Tsai, Y.-P. Lin and K.-C. Chen, "Vehicular Radio Access to Unlicensed Spectrum," IEEE Wireless Communications, vol. 24, no. 6, pp. 46-54, Dec. 2017. 

24. D.-J. Deng, S.-Y. Lien, C.-C. Lin, S.-C. Hung and W.-B. Chen, "Latency Control in Software Defined Edge-Mobile Vehicular Networking," IEEE Communications Magazine, vol. 55, no. 8, pp. 87-93, Aug. 2017. 

25. S.-Y. Lien, S.-L. Shieh, Y. Huang, B. Su, Y.-L. Hsu and H.-Y. Wei, "5G New Radio: Waveform, Frame Structure, Multiple Access, and Initial Access," IEEE Communications Magazine, vol. 55, no. 6, pp. 64-71, Jun. 2017. (ESI Highly Cited Paper)

26. S.-Y. Lien, C.-C. Chien, H.-L. Tsai, Y.-C. Liang and D. I. Kim, "Configurable 3GPP Licensed-Assisted Access to Unlicensed Spectrum," IEEE Wireless Communications, vol. 23, no. 6, pp. 32-39, Dec. 2016. 

27. S.-Y. Lien, S.-M. Cheng, K.-C. Chen, and D. I. Kim, "Resource-Optimal Licensed-Assisted Access in Heterogeneous Cloud Radio Access Networks with Heterogeneous Carrier Communications," IEEE Transactions on Vehicular Technology, vol. 65, no. 12, pp. 9915-9930, Dec. 2016. 

28. S.-Y. Lien, C.-C. Chien, G. Liu, H.-L. Tsai, R. Li and Y.J. Wang, "Enhanced LTE Device-to-Device Proximity Services," IEEE Communications Magazines, vol. 54, no. 12, pp. 174-182, Dec. 2016. 

29. D.-J. Deng, S.-Y. Lien, J. Lee and K.-C. Chen, "On Quality-of-Service Provisioning in IEEE 802.11ax WLANs," IEEE Access, vol. 4, pp. 6086-6104, Aug. 2016. 

30. S.-Y. Lien, C.-C. Chien, F.-M. Tseng, and T.-C. Ho, "3GPP Device-to-Device Communications for Beyond 4G Cellular Networks," IEEE Communications Magazine, vol. 54, no. 3, pp. 29-35, Mar. 2016. (SCI, EI) (IEEE ComSoc Best Reading)

31. S.-Y. Lien, J. Lee, and Y.-C. Liang, "Random Access Or Scheduling: Optimum LTE Licensed-Assisted Access to Unlicensed Spectrum," IEEE Communications Letters, vol. 20, no. 3, pp. 590-593, Mar. 2016. 

32. S.-C. Hung, H. Hsu, S.-Y. Lien, and K.-C. Chen, "Architecture Harmonization between Cloud Radio Access Networks and Fog Networks," IEEE Access, vol. 3, pp. 3019-3034, Dec. 2015. 

33. S.-Y. Lien, "Resource-Optimal Heterogeneous Machine-to-Machine Communications in Software Defined Networking Cyber-Physical Systems," Wireless Personal Communications, vol. 84, no. 3, pp. 2215-2239, Oct. 2015. 

34. S.-Y. Lien, S.-C. Hung, K.-C. Chen, and Y.-C. Liang, "Ultra-Low Latency Ubiquitous Connections in Heterogeneous Cloud Radio Networks," IEEE Wireless Communications, vol. 22, no. 3, pp. 22-31, Jun. 2015. 

35. K.-C. Chen and S.-Y. Lien, "Machine-to-Machine Communications: Technologies and Challenges," Ad Hoc Networks, vol. 18, pp. 3-23, July 2014. 

36. S.-Y. Lien, K.-C. Chen, Y.-C. Liang, and Y. Lin, "Cognitive Radio Resource Management for Future Cellular Networks," IEEE Wireless Communications, vol. 21, no. 1, pp. 70-79, Feb. 2014. 

37. S.-Y. Lien, S.-M. Cheng, and K.-C. Chen, "Interference Mitigation in CR-Enabled Heterogeneous Networks," IEICE Transactions on Communications, vol. E96-B, no. 6, pp. 1230-1242, June 2013. 

38. S.-Y. Lien, S.-M. Cheng, S.-Y. Shih, and K.-C. Chen, "Radio Resource Management for QoS Guarantees in Cyber-Physical Systems," IEEE Transactions on Parallel and Distributed Systems, vol. 23, no. 9, pp. 1752-1761, Sep. 2012. 

39. S.-Y. Lien, T.-H. Liau, C.-Y. Kao, and K.-C. Chen, "Cooperative Access Class Barring for Machine-to-Machine Communications," IEEE Transactions on Wireless Communications, vol. 11, no. 1, pp. 27-32, Jan. 2012. 

40. S.-Y. Lien, Y.-Y. Lin, and K.-C. Chen, "Cognitive and Game-Theoretical Radio Resource Management for Autonomous Femtocells with QoS Guarantees," IEEE Transactions on Wireless Communications, vol. 10, no. 7, pp. 2196-2206, July 2011. 

41. S.-M. Cheng, S.-Y. Lien, F.-S. Chu, and K.-C. Chen, "On Exploiting Cognitive Radio to Mitigate Interference in Macro/femto Heterogeneous Networks," IEEE Wireless Communications, vol. 18, no. 3, pp. 40-47, June 2011. 

42. S.-Y. Lien, K.-C. Chen, and Y. Lin, "Toward Ubiquitous Massive Accesses in 3GPP Machine-to-Machine Communications," IEEE Communications Magazine, vol. 49, no. 4, pp. 66-74, Apr. 2011. (IEEE ComSoc Asia-Pacific Outstanding Paper Award) (ESI Highly Cited Paper)

43. S.-Y. Lien and K.-C. Chen, "Massive Access Management for QoS Guarantees in 3GPP Machine-to-Machine Communications," IEEE Communications Letters, vol. 15, no. 3, pp. 311-313, Mar. 2011. (SCI, EI) 

44. W.-K. Kuo and S.-Y. Lien, "Dynamic Resource Allocation for Supporting Real-Time Multimedia Applications in IEEE 802.15.3 WPANs" IET Communications, vol. 3, no. 1, pp. 1-9, Jan. 2009. (SCI, EI)

Conferences

1. Y. Cao, S.-Y. Lien, Y.-C. Liang, X. Tang, , "Resilient Routng for Satellite-Terrestrial Integrated Network via Cascaded Two-Time-Scale Deep Reinforcement Learning," IEEE Global Communications Conference (GLOBECOM), 2025.

2. Y.-H Qiu, S.-Y. Lien, C.-C. Tseng, Y. Cao, "Designs and Prototypes of RICs for Policy Management in O-RAN," IEEE Vehicular Technology Conference Fall (VTC-Fall), 2025.

3. C.-L. Yen, C.-C. Tseng, S.-Y. Lien, F.-C. Kuo, Y.-J. Liang, Y. Cao, "Handover Mechanism based on Link Quality and Longevity for LEO-based Non-Terrestrial Networks," IEEE Vehicular Technology Conference Fall (VTC-Fall), 2025. 

4. F. Ahmed, M. Lee, S.-Y. Lien, S. Subramaniam, M. Matsuura, H. Hasegawa, S.-C. Lin, "Federated Deep Reinforcement Learning Driven O-RAN for Automatic Multirobot Reconfiguration," IEEE/IFIP Network Operations and Management Symposium (NOMS) Workshop, 2025. 

5. C.-C. Tseng, J.-C. You, and S.-Y. Lien, "Design and Verification of a 5G RAN Emulator for O-RAN," IEEE International Conference on Communications (ICC) Workshop, 2025.

6. C.-C. Tseng, H.-C. Wu, S.-Y. Lien, J.-C. You, C.-Y. Liu, and R.-E. You, "The Design of GBDT-based Anomaly Detection for O-RAN Near-RT RIC," International Conference on Computing, Networking, and Communications (ICNC), 2025

7. Y.-H. Huang, S.-Y. Lien, and C.-C. Tseng, "Deep Learning-Based Handover Management for 6G Intelligent Networks," Wireless and Optical Communications Conference (WOCC), 2024. 

8. Y. Cao, S.-Y. Lien, C.-H. Yeh, Y.-C. Liang, and D. Niyato, “Efficient Communication-Computation Tradeoff for Split Computing: A Multi-Tier Deep Reinforcement Learning Approach,” IEEE Global Communications Conference (GLOBECOM), 2023. 

9. Y. Cao, S.-Y. Lien, Y.-C. Liang, D. Niyato, S. Shen, “Collaborative Deep Reinforcement Learning for Resource Optimization in Non-Terrestrial Networks,” IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), 2023. (Best Student Paper Award)

10. R. H. Ratul, M. Iqbal, T. Ashraf, J.-Y Pan, Y.-H. Wang, and S.-Y. Lien, “Adaptive Three Layer Hybrid Reconfigurable Intelligent Surface for 6G Wireless Communication: Tradeoff and Performance,” IEEE Asia Pacific Conference on Wireless and Mobile (APWiMob), 2023. (Best Paper Award)

11. Y.-C. Huang, S.-Y. Lien, C.-C. Cheng, D.-J. Deng, K.-C. Chen, “Universal Vertical Applications Adaptation for Open RAN: A Deep Reinforcement Learning Approach,” International Symposium on Wireless Personal Multimedia Communications (WPMC), 2022. (Best Paper Award)

12. C. Yang, S.-Y. Lien and Y.-C. Liang, “Multi-tier Collaborative Deep Reinforcement Learning for Non-Terrestrial Network Empowered Vehicular Connections,” IEEE International Conference on Network Protocols (ICNP) Workshop, 2021

13. S.-Y. Lien, D.-J. Deng and B.-C. Chang, “Session Management for URLLC in 5G Open Radio Access Network: A Machine Learning Approach,” International Wireless Communications and Mobile Computing Conference (IWCMC), 2021.

14. E. Ko, K.-C. Chen and S.-Y. Lien, “Collaborative Partially-Observable Reinforcement Learning Using Wireless Communications,” IEEE international Conference on Communications (ICC), 2021.

15. Y. Cao, S.-Y. Lien, Y.-C. Liang and K.-C. Chen, “Federated Deep Reinforcement Learning for User Access Control in Open Radio Access Networks,” IEEE international Conference on Communications (ICC), 2021.

16. Y.-C. Kuo, S.-Y. Lien, D.-J. Deng, and Y.J. Wang, "Latency-Optimal Beam Sweeping for Millimeter-Wave Communications," IEEE Global Communications Conference (GLOBECOM) Workshop, 2018.

17. C.-Y. Lin, K.-C. Chen, D. Wickramasuriya, S.-Y. Lien, and R. D. Gitlin, "Anticipatory Mobility Management by Big Data Analytics for Ultra-Low Latency Mobile Networking," IEEE International Conference on Communications (ICC), 2018.

18. S.-Y. Lien, S.-C. Hung, D.-J. Deng, and Y.J. Wang, "Efficient Ultra-Reliable and Low Latency Communications and Massive Machine-Type Communications in 5G New Radio," IEEE Global Communications Conference (GLOBECOM), 2017.

19. S.-Y. Lien, S.-C. Hung, H. Hsu, and K.-C. Chen, "Collaborative Radio Access of Heterogeneous Cloud Radio Access Networks and Edge Computing Networks," IEEE International Conference on Communications (ICC) Workshop, 2016.

20. S.-C. Hung, D. Liau, S.-Y. Lien, and K.-C. Chen, "Low Latency Communication for Internet of Things," IEEE International Conference on Communications in China (ICCC), 2015.

21. S.-Y. Lien and Y.J. Wang, "To Random Access Or Schedule? Optimum 3GPP Licensed-Assisted Access for Machine-to-Machine Communications," International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness (QSHINE), 2015.

22. K.-C. Chen, W.-E. Chen, W.-C. Chung, Y.-C. Chung, Q. Cui, C.-H. Hsu, S.-Y. Lien, Z. Niu, Z. Tian, J. Wamg, L. Zhao, "Efficient Network Structure of 5G Mobile Communications," International Conference on Wireless Algorithms, Systems, and Applications (WASA), 2015.

23. S.-Y. Lien, S.-C. Hung, and K.-C. Chen, "Optimal Radio Access for Fully Packet-Switching 5G Networks," IEEE International Conferences on Communications (ICC), 2015.

24.  S.-Y. Lien, S.-M. Cheng, and Y.-Y. Lin, "Duality on Timing Alignment and Radio Resources Orthogonality toward 5G heterogeneous networks," IEEE International Conferences on Wireless Communications, Vehicular Technology, Information Theory and Aerospace & Electronic Systems (VITAE), 2014. 

25. S.-F. Lien and S.-Y. Lien, "Bio-inspired Stochastic Density Cognition in Mobile Personnel Portable Sensor Networks," International Symposium on Artificial Life and Robotics (AROB), 2014.

26. S.-C. Hung, S.-Y. Lien, and K.-C. Chen, "Stochastic Topology Cognition in Heterogeneous Networks," IEEE International Symposium on Personal, Indoor, Mobile and Radio Communications (PIMRC), 2013.

27. S.-Y. Lien and S.-M. Cheng, "Resource-Optimal Network Resilience for Real-Time Data Exchanges in Cyber-Physical Systems," IEEE International Symposium on Personal, Indoor, Mobile and Radio Communications (PIMRC), 2013.

28. S.-Y. Lien "Self-Organization Framework for Device-to-Device Communications without Network Supports," Union Radio Scientific International (URSI) Asia-Pacific Radio Science Conference (AP-RASC), 2013. (Young Scientist Award)

29. S.-Y. Lien and S.-M. Cheng, "Performance Guaranteed Statistical Traffic Control in Cognitive Cellular Networks," International Symposium on Wireless Personal Multimedia Communications (WPMC), 2013.

30. S.-Y. Lien and K.-C. Chen, “Stochastic Mutual Induction Computing in Het-CoMP Empowered Cellular Networks,” IEEE International Conference on Communication Systems (ICCS), 2012. 

31. S.-Y. Lien, H.-H. Lee, S.-Y. Shih, P.-Y. Chen, and K.-C. Chen, “Network Synchronization among Femtocells,” IEEE Global Communications Conference (GLOBECOM) Workshop, 2011.

32. S.-Y. Lien, S.-Y. Shih, and K.-C. Chen, “Spectrum Map Empowered Resource Management for QoS Guarantees in Multi-tier Cellular Networks,” IEEE Global Communications Conference (GLOBECOM), 2011.

33. S.-Y. Lien and K.-C. Chen, “Statistical Traffic Control for Cognitive Radio Empowered LTE-Advanced with Network MIMO,” IEEE Conference on Computer Communications (INFOCOM) Workshop, 2011. 

34. X.Y Wang, A. Wong and S.-Y. Lien, “Spectral Variation Constrained Power Spectral Density Estimation for Wideband Spectrum Sensing,” IEEE International Symposium on Applied Sciences in Biomedical and Communication Technologies (ISABEL), 2010.

35. H.-B. Chang, S.-M. Cheng, S.-Y. Lien and K.-C. Chen, “Statistical Delay Control of Opportunistic Links in Cognitive Radio Networks,” IEEE International Symposium on Personal, Indoor, Mobile and Radio Communications (PIMRC), 2010. 

36. S.-Y. Lien and K.-C. Chen, “Cognitive Radio Resource Management for QoS Guarantees in Autonomous Femtocell Networks,” IEEE International Conference on Communications (ICC), 2010. (Best Paper Award)

37. S.-Y. Lien, N.R. Prasad, K.-C. Chen, and C.-W. Su, “Providing Statistical Quality-of-Service Guarantees in Cognitive Radio Networks with Cooperation,” IEEE International Conference on Wireless Communication, Vehicular Technology, Information Theory and Aerospace & Electronic Systems Technology (VITAE), 2009.

38. C.-C. Tseng, S.-Y. Lien, K.-C. Chen, and Ramjee Prasad, “Rate-Distance Adaptability of MAC Protocols,” IEEE Vehicular Technology Conference (VTC), 2008. 

39. C.-C. Tseng, S.-Y. Lien, K.-C. Chen, and Ramjee Prasad, “On the Rate-Distance Adaptability of Slotted Aloha,” IEEE International Conference on Communications (ICC), 2008. 

40. S.-Y. Lien, C.-C. Tseng, and K.-C. Chen, “Carrier Sensing based Multiple Access Protocols for Cognitive Radio Network,” IEEE International Conference on Communications (ICC), 2008. 

41. S.-Y. Lien, C.-C. Tseng, and K.-C. Chen, “Novel Rate-Distance Adaptation of Multiple Access Protocols in Cognitive Radio,” IEEE International Symposium on Personal, Indoor, Mobile and Radio Communications (PIMRC), 2007.

Professional Activities

Journal Editors

• Associate Editor, IEICE Transactions on Communications, 2025-2029

• Guest Editor, IEEE Transactions on Green Communications and Networking (TGCN), Special Issue on Green Open Radio Access Networks: Architecture, Challenges, Opportunities, and Use Cases, 2024

• Guest Editor, IEEE Transactions on Vehicular Technology (TVT), Special Session on Open Radio Access Networks: Architecture, Challenges, Opportunities, and Use Cases in Vehicular Networks, 2023

• Guest Editor, Special Issue on AI based Licensed/Unlicensed Spectrum Interoperability in Future Mobile Wireless System, IEEE Transactions on Cognitive Communications and Networking (TCCN), 2019

• Guest Editor, Special Issue on Recent Advances in 5G Technologies, New Radio Access, and Networking, Wireless Communications and Mobile Computing (WCMC), 2017

Conference Organization Committees 

• Tutorial Co-chair, Asia-Pacific Network Operations and Management Symposium (APNOMS) 2025

• Executive Forum Co-chair, IEEE Global Communications Conference (GLOBECOM) 2025

• Tutorial Co-chair, IEEE Network Operations and Management Symposium (NOMS) 2024

• TPC Chair, International Symposium on Wireless Personal Multimedia Communications (WPMC) 2023

• Tutorial Co-chair, Asia-Pacific Network Operations and Management Symposium (APNOMS) 2023

• Workshop Chair, SGIoT 2020

• Executive Forum Co-Chair, IEEE Global Communications Conference (GLOBECOM) 2020

Workshop Organization 

• Lead Organizer, IEEE GLOBECOM 2020 Workshop on V2X Technologies and Advanced Security/Privacy

• Lead Organizer, IEEE ICC 2020 Workshop on V2X Technologies for Next Generation Driving Paradigm

• Lead Organizer, IEEE GLOBECOM 2019 Workshop on V2X Technologies for Next Generation Driving Paradigm

•  Lead Organizer, IEEE PIMRC 2017 Workshop on New Radio Technologies

• Lead Organizer, QSHINE 2016 Workshop on 5G Communication Architecture and Technology

• Lead Organizer, QSHINE 2015 Workshop on 5G Communication Architecture and Technology

• Lead Organizer, IEEE GLOBECOM 2015 Workshop on Heterogeneous Carrier Communication Technologies

• Lead Organizer, IEEE VTC-Spring 2015 Workshop on Global and Social Resource Sharing in/through Wireless Networks

Projects

Server as Principle Investigator 

• MediaTek Inc., “Semantic End-to-End Communication System Design for Distributed Edge-AI Computations (針對分散式邊緣人工智慧運算之語意端對端通訊系統),” Jul. 2025 – June 2026 

• National Science and Technology Council, “Foundation and Generative AI Models Inspired 6G Networks and O-RAN Designs (基礎與與生成式人工智慧模型啟發之第六代行動網路與開放無線接取網路設計),” Aug. 2025 – Jul. 2028 

• Industrial Technology Research Institute (ITRI), “Satellite Constellation AI Prediction Model (衛星鏈路AI模型預測),” May 2024 – Apr. 2025.

•  Industrial Technology Research Institute (ITRI), “Beam Acquisition and Tracking Tests and Designs for Non-GSO Satellites (非同步軌道衛星波束獲得與追蹤判斷機制驗證測試之設計),” Oct. 2023 – Dec. 2023.

• Kylink Communications Inc. (冠宇國際電訊股份有限公司), “Remote Access to LMR and MCPTT Communications (寬窄頻無線電互通系統遠端接入),” Oct. 2022 – Apr. 2024.

• Ministry of Science and Technology, “Multi-tier Machine Learning and Splitting Computing for 6G Intelligent Networks (第六代行動通訊關鍵技術與應用--第六代行動網路之多階層機器學習拆分演算機制),” Aug. 2012 – Jul. 2025.

• Industrial Technology Research Institute (ITRI), “The Design of Multi-tier Machine Learning in 5G Networks (低軌衛星通訊系統地面站束波獲取/追蹤強化演算法實現及驗證測試),” July 2022 – Dec. 2022.

• Industrial Technology Research Institute (ITRI), “The Design of Multi-tier Machine Learning in 5G Networks (5G網路之多階層機器學習設計),” Jun. 2021 – Dec. 2021.

• Industrial Technology Research Institute (ITRI), “Medium Access Control Design for LEO Satellite Communications (媒體存取控制層設計應用於低軌道衛星通訊),” Apr. 2021 – Dec. 2021.

• Kylink Communications Inc. (冠宇國際電訊股份有限公司), “LMR and MCPTT communications (寬窄頻無線電互通系統),” Sep. 2020 – Aug. 2021.

• Industrial Technology Research Institute (ITRI), “PHY and MAC Designs for Enhanced New Radio Sidelink Communications (實體層與媒體存取控制層設計應用於New Radio強化邊界鏈結通訊標準技術委外研究),” Apr. 2020 – Dec. 2020.

• National Chung-Shan Institute of Science and Technology (CSIST), “Emulators for LMR and MCPTT communications (寬窄頻無線電互通模擬軟體),” Mar. 2020 – Jun. 2020.

• National Chung-Shan Institute of Science and Technology (CSIST), “Report of Standards of New Generation Radio Interfaces (新一代無線電介面標準規範報告),” Aug. 2019 – Nov. 2019.

• Ministry of Science and Technology, “Learning Based Ultra-Reliable, Low Latency and High Throughput Radio Access for Advanced V2X Use Cases (第五代行動通訊網路切片與邊緣計算於車聯網之應用--子計畫二：下世代先進駕駛模式之學習式高可靠度低延遲高流量無線V2X接取技術),” Aug. 2019 – Jul. 2022.

• Industrial Technology Research Institute (ITRI), “PHY and MAC Designs for New Radio Sidelink High Reliability and Low Latency Communications (新興邊緣鏈結實體層與媒體存取控制層設計應用於低延遲與高可靠度通訊標準技術),” Jan. 2019 – Dec. 2019.

• National Chung-Shan Institute of Science and Technology (CSIST), “CNS/ATM Architectures for Drones (無人機在通訊導航監控與航管(CNS/ATM)架構下之整合研究),” Apr. 2018 – Nov. 2018.

• Industrial Technology Research Institute (ITRI), “PHY and MAC Designs for New Radio Sidelink High Reliability and Low Latency Communications (New Radio實體層與媒體存取控制層設計應用於邊界鏈結低延遲與高可靠度通訊標準技術委外研究),” Apr. 2018 – Dec. 2018.

• Ministry of Science and Technology, “Resource Access Technologies in 5G New Radio (第五代行動網路新無線電資源接取技術),” Aug. 2017 – Jul. 2019.

• Industrial Technology Research Institute (ITRI), “PHY and MAC for Sidelink Reliability Communications in LTE-Advanced Pro and New Radio (LTE-Advanced Pro與New Radio Access Technology實體層與媒體存取控制層設計應用於邊界鏈結Reliable Communications標準技術委外研究),” Jun. 2017-Dec. 2017.

• National Chung-Shan Institute of Science & Technology (CSIST), “3GPP Device-to-Device Relay Transmissions (3GPP裝置對裝置無線接取協力轉傳技術實現),” Apr. 2017-Nov. 2017.

• Ministry of Science and Technology, “Optimum Collaboration of Heterogeneous Cloud Radio Access Networks and Fog Edge Computing Networks (異質型雲端無線接取網路與霧端邊緣計算網路之最佳合作機制),” Aug. 2016-Jul. 2017.

• National Chung-Shan Institute of Science & Technology (CSIST), “3GPP Device-to-Device Radio Access (3GPP裝置對裝置無線接取技術實現),” Apr. 2016-Nov. 2016.

• Ministry of Science and Technology, “Radio Accesses for Heterogeneous Carrier Extension in Cloud Radio Access Networks for 5G Mobile Communications (5G行動通訊的雲端計算實驗平台--子計畫四：5G行動通訊中雲端無線接取網路之異質載頻擴展無線接取技術),” Aug. 2015-Jul. 2016.

• National Chung-Shan Institute of Science and Technology (NCSIST), “Low Latency Radio Access for M2M Communications (低延遲機器對機器無線接取實現),” Apr. 2015-Dec. 2015.

• Ministry of Science and Technology, “Massive, Uncoordinated, Radio Resource Centric Layerless Data Transmission Framework for the Fifth Generation (5G) Networks (第五代行動通訊系統之大規模、無協調、以無線資源為中心之無階層資料傳輸架構),” Aug. 2014-Jul. 2015.

• Institute for Information Industry (III), “D2D Technologies Toward Next Generation Networks (下世代裝置對裝置通訊研究),” Jan. 2014-Dec. 2014.

• Ministry of Science and Technology, “Optimum Network Resilience Control in Large-Scale Cyber-Physical Systems (大規模信息物理連網系統之最佳網路彈性控制),” Aug. 2013-Jul. 2014.

Server as Co-Principle Investigator 

• National Science and Technology Council, “Technologies for Next-Generation Mobile Network Security (多層次資通訊系統安全強化技術研究(1/2))”, Aug. 2025-Jul. 2026. 

• National Science and Technology Council, “AI-Empowered Perceptive Wireless Networks (AI賦能感知無線網路(1/3))”, Aug. 2025-Jul. 2026. 

• National Science and Technology Council, “Artificial Intelligence Driven 6G O-RAN: Intelligence and Security (以人工智慧驅動 6G O-RAN:智慧化及安全)”, Aug. 2025-Jul. 2028. 

• Ministry of Science and Technology, “Development of Reconfigurable Intelligent Surface Prototype Platform for Shaping Radio Environment (3/4) (調控電磁環境之可重構智慧面雛型平台開發(3/4))”, Jun. 2025-May 2026.

• Ministry of Science and Technology, “Development of Reconfigurable Intelligent Surface Prototype Platform for Shaping Radio Environment (2/4) (調控電磁環境之可重構智慧面雛型平台開發(2/4))”, Jun. 2024-May 2025.

• Ministry of Science and Technology, “University Participation in Developing International Broadband Wireless Access Standards (4/4) (學界參與3GPP無線通訊標準計畫(4/4))”, Jun. 2024-May 2025.

• Ministry of Science and Technology, “Development of Reconfigurable Intelligent Surface Prototype Platform for Shaping Radio Environment (2/4) (調控電磁環境之可重構智慧面雛型平台開發(1/4))”, Jun. 2023-May 2024.

• Ministry of Science and Technology, “University Participation in Developing International Broadband Wireless Access Standards (3/4) (學界參與3GPP無線通訊標準計畫(3/4))”, Jun. 2023-May 2024.

• Ministry of Science and Technology, “Development of Reconfigurable Intelligent Surface Prototype Platform for Shaping Radio Environment (調控電磁環境之可重構智慧面雛型平台開發)”, Aug. 2022-May 2023.

• Ministry of Science and Technology, “Optimizing Hierarchical Resource Offloading and AI as a Service Model (第六代行動通訊關鍵技術與應用--最佳化多階層資源卸載及人工智慧即服務模型研究)”, Aug. 2022-July 2025.

• Ministry of Science and Technology, “University Participation in Developing International Broadband Wireless Access Standards (2/4) (學界參與3GPP無線通訊標準計畫(2/4))”, Jun. 2022-May 2023.

• Ministry of Education, “AIoT Open Source Software Designs (智能聯網開源軟體系統軟體創作聯盟推動計畫)” Feb. 2022 – Jan. 2023.

• Ministry of Science and Technology, “University Participation in Developing International Broadband Wireless Access Standards (1/4) (學界參與3GPP無線通訊標準計畫(1/4))”, Jun. 2021-May 2022.

• Ministry of Education, “AIoT Open Source Software Designs (智能聯網開源軟體系統軟體創作聯盟推動計畫)” Feb. 2021 – Jan. 2022.

• Ministry of Science and Technology, “University Participation in Developing International Broadband Wireless Access Standards (3/3) (學界參與3GPP無線通訊標準計畫(3/3))”, Jul. 2020-Jun. 2021.

• Ministry of Science and Technology, “V2X Application based on 5G Local Access Network (第五代行動通訊網路切片與邊緣計算於車聯網之應用),” Aug. 2019-Jul. 2022.

• Ministry of Science and Technology, “University Participation in Developing International Broadband Wireless Access Standards (2/3) (學界參與3GPP無線通訊標準計畫(2/3))”, Jul. 2019-Jun. 2020.

• Ministry of Science and Technology, “University Participation in Developing International Broadband Wireless Access Standards (1/3) (學界參與3GPP無線通訊標準計畫(1/3))”, Jul. 2018-Jun. 2019.

• Ministry of Science and Technology, “University Participation in Developing International Broadband Wireless Access Standards (3+1/3) (學界參與3GPP無線通訊標準計畫(3+1/3))”, Aug. 2017-Jul. 2018.

• Institute for Information Industry (III), “5G Low Latency Internet-of-Things (5G 低延遲物聯網),” Jan. 2017-Dec. 2017.

• Ministry of Science and Technology project, “University Participation in Developing International Broadband Wireless Access Standards (3/3) (學界參與3GPP無線通訊標準計畫(3/3))”, Aug. 2016-Jul. 2017.

• Ministry of Science and Technology, “Cloud Computing Platforms for 5G Mobile Communications (5G行動通訊的雲端計算實驗平台),” Aug. 2016-Jul. 2017.

• Institute for Information Industry (III), “Next Generation Low Latency Communication Systems (下世代低延遲通訊系統),” Apr. 2016-Dec. 2016.

• Ministry of Science and Technology, “University Participation in Developing International Broadband Wireless Access Standards (2/3) (學界參與3GPP無線通訊標準計畫(2/3)),” Aug. 2015-Jul. 2016.

• Institute for Information Industry (III), “Energy-Efficient Mobile Communication Systems (下世代低延遲通訊系統),” Apr. 2015-Mar. 2016.

• Ministry of Science and Technology, “University Participation in Developing International Broadband Wireless Access Standards (1/3) (學界參與3GPP無線通訊標準計畫(1/3))”, Nov. 2014-Jul. 2015.

• Institute for Information Industry (III), “Energy-Efficient Mobile Communication Systems (下世代低功率通訊系統)”, Aug. 2015-Mar. 2015.

• Ministry of Science and Technology, “University Participation in Developing International Broadband Wireless Access Standards (2/2) (學界參與3GPP無線通訊標準計畫(2/2)),” Jun. 2013-Jul. 2014.

Technical Speech

• Invited Talk, “3GPP Non-Terrestrial Networks,” National Taiwan University of Science and Technology, Oct. 2023.

• Invited Talk, “Convergence of O-RAN and 3GPP NR,” Workshop of 3GPP Standardization Progress, Oct. 2023.

• Tutorial, “When Non-Terrestrial Networks Meet Deep Reinforcement Learning: Technologies, Challenges, and Opportunities,” IEEE VTC-Fall 2022

• Tutorial, “Toward AI/ML Computing in 5G-Advanced and 6G Networks,” APNOMS 2022.

• Seminar Talk, “Multi-Tier Machine Learning in Non-Terrestrial Networks,” National Changhua University of Education, June 2022.

• Seminar Talk, “Multi-Tier Machine Learning in Non-Terrestrial Networks,” National Central University, June 2022.

• Seminar Talk, “Multi-Tier Machine Learning in Non-Terrestrial Networks,” National Taipei University, Apr. 2022.

• Seminar Talk, “Multi-Tier Machine Learning in Non-Terrestrial Networks,” National Cheng Kung University, Apr. 2022.

•  Invited Talk, “Recent Progress of Open Radio Access Network (O-RAN),” Workshop of 3GPP Standardization Progress, Apr. 2022.

•  Invited Talk, “Recent Progress of 3GPP Non-Terrestrial Network,” Workshop of 3GPP Standardization Progress, Oct. 2021.

• Invited Talk, “Challenges in Development of B5G/6G,” International Conference on Next Generation Wireless Communications, Oct. 2021

• Seminar Talk, “Recent Progress of Open Radio Access Network (O-RAN),” National Sun Yat-sen University, Oct. 2021

• Invited Talk, “Recent Progress of 3GPP Non-Public Network (NPN),” MOTC Workshop on Mobile Broadband Private Networks, Technologies, and Applications, Sept. 2021

• Invited Talk, “Recent Progress of 3GPP New Radio over Non-Terrestrial Network in RAN1,” MoE Workshop for B5G LEO Communications, Jul. 2021.

• Invited Talk Talk, “Interplay and Integration of AI/ML and B5G/6G Networks,” Universal Scientific Industrial Co., Ltd, Jul. 2021.

• Training Talk, “Recent Progress of Open Radio Access Network,” Taiwan Association of Information and Communication Standards (TAICS), Jul. 2021.

• Seminar Talk, “Recent Progress of Open Radio Access Network,” National Changhua University of Education, June 2021

• Seminar Talk, “Deep Reinforcement Learning for Multi-User Access Control in Non-Terrestrial Networks,” National Taipei University, Dec. 2020.

• Invited Talk, “3GPP Sidelink Transmissions: From Release 12 to Release 16,” Workshop of 3GPP Standardization Progress, Nov. 2020.

• Seminar Talk, “Open Intelligent Radio Access Networks,” National Ilan University, Oct. 2020.

• Training Talk, “3GPP NR Sidelink Transmissions Toward 5G V2X,” Taiwan Association of Information and Communication Standards (TAICS), Sep. 2020.

• Training Talk, “5G Open RAN, Proprietary Networks and Vertical Applications,” Alpha Networks Inc., July 2020.

• Seminar Talk, “Latency-Optimal Beam Sweeping Designs for Millimeter-Wave Radio Access,” National Chiao Tung University, Oct. 2019.

• Seminar Talk, “Latency-Optimal Beam Sweeping Designs for Millimeter-Wave Radio Access,” National Formosa University, Oct. 2019.

• Invited Talk, “Latency-Optimal mmWave Radio Accesses for 5G V2X Supporting Advanced Driving,” The 2019 IEEE Taiwan Workshop on Information Theory and Communications, Aug. 2019.

• Training Talk, “Air Interface of 3GPP New Radio,” Alpha Networks Inc., May 2019.

• Seminar Talk, “Optimum Autonomous Aerial Base Station Deployment for UAV Networks: Reinforcement Learning Approaches”, National Changhua University of Education, May 2019.

• Seminar Talk, “Latency-Optimal Beam Sweeping Designs for Millimeter-Wave Radio Access,” Academia Sinica, May 2019.

• Invited Talk, “3GPP Advanced Driving Use Cases and Recent Progress of Release 16 V2X,” Workshop of 3GPP Standardization Progress, Oct. 2018.

• Invited Talk, “Recent Progress of 3GPP Licensed-Assisted Access,” Workshop of 3GPP Standardization Progress, Apr. 2018.

• Training Talk, “Licensed-Assisted Access Technology,” Far EasTone Inc., Apr. 2018.  

• Invited Talk, “Ultra-Reliable and Low Latency Communications in 5G New Radio,” Workshop of 3GPP Standardization Progress, Oct. 2017.

• Seminar Talk, “Wireless Cache: Recent Progress and Challenges,” National Chiao Tung University, Apr. 2017.

• Invited Talk, “5G New Radio: Recent Progress and Challenges,” Workshop on Advanced Communication Network Technologies and Applications, Jan. 2017.

• Seminar Talk, “5G New Radio Access,” National Chi Nan University, Jan. 2017.

• Seminar Talk, “Harmonization of Cloud RAN and Fog RAN Toward 5G Network Architecture Designs,” National Ilan University, Nov. 2015.

• Invited Talk, “The Recent Progress of 3GPP Licensed-Assisted Access to Unlicensed Spectrum,” Workshop of 3GPP Standardization Progress, Oct. 2015.

• Seminar Talk, “Optimum Uplink Transmissions for Licensed-Assisted Access to Unlicensed Spectrum,” National Chiao Tung University, Apr. 2015.

• Invited Talk, “Licensed-Assisted Access in Rel. 13,” Workshop of 3GPP Standardization Progress, Mar. 2015.

Education

• Ph.D, Graduate Institute of Communication Engineering, National Taiwan University, Sep. 2006 - Jun. 2011

• M.S., Institute of Computer and Communication Engineering, National Cheng Kung University, Sep. 2004 - Jun. 2006

• B.S., Department of Electrical Engineering, National Taiwan Ocean University, Sep. 2000 - Jun. 2004