NCKUEE Faculty Data
Chinese Version
Professor Sok-Ian (Ines) Sou
Address
EE Building 10F R92A01
Email
TEL
+886-6-2757575 ext.62423
Lab Weblink
Mobile Communication Service Lab
(R92589/ext.62400-1789)
Background
Educations
2008
Ph.D., National Chiao Tung University, R. O. C.
2004
M.S., National Chiao Tung University, R. O. C.
1997
B.S., National Chiao Tung University, R. O. C.
Experiences
2017/8-present
Professor, Department of Electrical Engineering, National Cheng Kung University, R. O. C.
2012/8-2017/8
Associate Professor, Department of Electrical Engineering, National Cheng Kung University, R. O. C.
2008/8-2012/7
Assistant Professor, Department of Electrical Engineering, National Cheng Kung University, R. O. C.
Specialities
  • Design and analysis of IP-based communications services
  • Vehicular networking
  • Mobile Computing and Performance Modeling
  • Advanced protocol for mobile networks
Publication
Journal
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  1. Y.-T. Wang, T.-Y. Lin, S.-I. Sou, L.-A. Chen, M.-H. Tsai, Y.-R. Chen and C.-H. Tu, "Markov Clustering-based Content Placement in Roadside-Unit Caching with Deadline Constraint," accepted by IEEE Transactions on Intelligent Transportation Systems, 2024.
  2. F.-J. Wu, S.-W. Lai and S.-I. Sou, "ViWise: Fusing Visual and Wireless Sensing Data for Trajectory Relationship Recognition," accepted for publication in ACM Transactions on Internet of Things, 2023.
  3. S.-H. Chen, S.-I. Sou* and H.-P. Hsieh, "Top-N Music Recommendation Framework for Precision and Novelty under Diversity Group Size and Similarity," accepted by  Journal of Intelligent Information Systems, 2023.
  4. S.-I. Sou, N. Bhooanusas,  Y.-B. Lin, and D.-J. Deng, "K-Test: An Analytical Model for Measurement-based Server Selection based on Response Time," IEEE Trans. Veh. Technol.,  vol. 72, no. 2, pp. 2338-2351, Feb. 2023.
  5. Y.-P. Tuan, L.-A. Chen, T.-Y. Lin, T.-Y. Lin, Y.-T. Wang, S.-I. Sou and M.-H. Tsai, "Improving QoS Mechanisms for IEEE 802.11ax with Overlapping Basic Service Sets," Wireless Netw., vol. 29, pp. 387–401, 2023.
  6. S. -I. Sou, F. -J. Wu and W. -C. Wu, "JoLo: Multi-device Joint Localization based on Wireless Data Fusion," accepted by IEEE Transactions on Mobile Computing, 2022, doi: 10.1109/TMC.2022.3150758.
  7. N. Bhooanusas and S.-I. Sou*, "Performance Modeling of Multipath Mobile Data Offloading in Cellular/WiFi Networks with Bandwidth Uncertainty ", Computer Networks, Volume 197, Oct, 2021.
  8. F.-J. Wu, Y.-J. Chen and S.-I. Sou, "CoCo: Quantifying Correlations between Mobility Traces using Sensor Data from Smartphones," ACM Transactions on Internet of Things, Volume 2 Issue 3, July 2021, Article No.: 20, pp 1–22, https://doi.org/10.1145/3457139
  9. N. Bhooanusas, S.-I. Sou* and K.-C. Cheng, "Satisfaction-based Dynamic Bandwidth Reallocation for Multipath Mobile Data Offloading ", Computer Networks, Vol. 185, Feb. 2021.
  10. B.-Y. Huang, Y. Lee and S.-I. Sou, "Joint Power Allocation for NOMA-based Diamond Relay Networks with and without Cooperation," IEEE Open Journal of the Communications Society, vol. 1, pp. 428-443, 2020 .
  11. S.-I. Sou*, W.-H. Lin, K.-C. Lan and C.-S. Lin, "Indoor Location Learning over Wireless Fingerprinting System with Particle Markov Chain Model", IEEE Access, vol. 7, no. 1, pp. 8713-8725, Dec. 2019.
  12. C.-S. Lin and S.-I. Sou*, "QoS-Aware Dynamic Bandwidth Reallocation with Deadline Assurance for Multipath Data Offloading", Computer Networks, vol. 153, no. 22, pp. 103-112, Apr. 2019.
  13. S.-I. Sou*, M.-R. Li, S.-H. Wang and M.-H. Tsai “File Distribution via Proximity Group Communications in LTE-Advanced Public Safety Networks,” Computer Networks, vol. 149, no. 11, pp. 93-101, Feb. 2019.
  14. Y.-T. Peng, S.-I. Sou*, M.-H. Tsai and C.-S. Lin, “Multipath Mobile Data Offloading of Deadline Assurance with Policy and Charging Control in Cellular/WiFi Networks,” accepted by Computer Networks, 2017.
  15. S.-I. Sou* and Y.-T. Peng, “Performance Modeling for Multipath Mobile Data Offloading in Cellular/Wi-Fi Networks,” IEEE Trans. Commun., vol. 65, no. 9, pp. 3863-3875, Sept. 2017.
  16. S.-I. Sou*, C.-S. Lin, “Random Packet Inspection Scheme for Network Intrusion Prevention in LTE Core Networks,” accepted by IEEE Trans. Veh. Technol., 2017.
  17. Y.-B. Lin, S.-I. Sou*, and C.-L. Luo, “Transmission Policies for Multi-Segment Short Messages", IEEE Trans. Veh. Technol., vol. 65, no. 7, pp. 5749—5754, July, 2016.
  18. S.-I. Sou*, and H.-Y. Hsieh, "Modeling Application-based Charging Management with Traffic Detection Function in 3GPP", Computer Networks, vol. 91, no. C, pp. 625-637, Nov. 2015.
  19. S.-I. Sou*, and D.-R. Tsai, “Bulk credit reservation in event-based machine type communications for 3GPP online charging,” Computer Networks, vol. 75, pp. 75–85, Dec., 2014.
  20. S.-I. Sou*, and S.-M. Wang, “Performance improvements of batch data model for machine-to-machine communications,” IEEE Commun. Lett., vol. 18, no. 10, pp.1775-1778, Oct. 2014.
  21. S.-I. Sou*, and Y. Lee, “End-to-end performance for SCF-based vehicular routing over multiple communication gaps,” IEEE Commun. Lett., vol. 18, no. 6, pp.1015-1018, June 2014.
  22. S.-Y. Tsai, S.-I. Sou, and M.-H. Tsai, “Reducing Energy Consumption by Data Aggregation in M2M Networks,” Wireless Personal Communication, vol. 74, no. 4, pp 1231-1244, Feb. 2014.
  23. S.-I. Sou*, “Mobile data offloading with policy and charging control in 3GPP core network,” IEEE Trans. Veh. Technol, vol. 62, no. 7, pp. 3481--3486, Sep. 2013. (NSC 100-2221-E-006-200, and NSC 101-2221-E-006-216-)
  24. S.-I. Sou*, “Advanced detection of selfish vehicles for local file sharing in sparse vehicular networks,” IEEE Commun. Lett, vol.17, no.5, pp.880-883, May 2013. (NSC 100-2221-E-006-200, and NSC 101-2221-E-006-216-)
  25. S.-I. Sou*, “Modeling Emergency Messaging for Car Accident over Dichotomized Headway Model in Vehicular Ad-hoc Networks,” IEEE Trans. Commun., vol. 61, no. 2, pp. 802-812, Feb. 2013. (NSC 100-2221-E-006-200- and NSC 101-2221-E-006-216-)
  26. S.-I. Sou*, and H.-F. Ho, “Modeling Session Completion in Sparse Vehicular Internet Access,” IEEE Commun. Lett., vol. 16, no. 2, pp. 161-163, Feb. 2012. (NSC 99-2221-E-006-122 and NSC 100-2221-E-006-200)
  27. S.-I. Sou*, and C.-S. Lin, “SPR Proxy Mechanism for 3GPP Policy and Charging Control System,” Computer Networks, vol. 55, no. 17, pp. 3847-3862, Dec. 2011. (doi: 10.1016/j.comnet.2011.07.025)
  28. S.-I. Sou*, and O. K. Tonguz, “Enhancing VANET connectivity through Roadside Units on Highways,” IEEE Trans. Veh. Technol., vol. 60, no. 8, pp. 3586-3602, Oct. 2011. (doi: 10.1109/TVT.2011.2165739)
  29. S.-I. Sou*, J.-Y. Jeng, and P. Lin, “Improving Session Continuity through User Mobility Tracking for EPS Inter-Serving Gateway Handover,” Wireless Communications and Mobile Computing, vol. 12, no. 12, pp. 1077-1090, Aug. 2012.. (NSC 98-2221-E-006 -095)
  30. S.-I. Sou*. “A Power-Saving Model for Roadside Unit Deployment in Vehicular Networks,” IEEE Commun. Lett., vol. 14, no. 7, pp. 623-625, Jul. 2010. (NSC 98-2221-E-006 -095)
  31. S.-I. Sou*, Y.-B. Lin and C.-L. Luo. “Cost Analysis of Short Message Retransmissions,” IEEE Trans. Mobile Comput., vol. 9, no. 2, pp. 215-225, Feb. 2010. (NSC 97-2218-E-006 -020)
  32. Y. Lee*, M.-H. Tsai, and S.-I. Sou, “Performance of decode-and-forward cooperative communications with multiple dual-hop relays over Nakagami-m fading channels,” IEEE Trans. Wireless Commun., vol. 8, no. 6, pp. 2853-2859, Jun. 2009.
  33. S.-I. Sou*, Y.-B. Lin and J.-Y. Jeng. “Reducing Credit Re-authorization Cost in UMTS Online Charging System,” IEEE Trans. Wireless Commun., vol. 7, no. 9, pp. 3629-3635, Nov. 2008.
  34. S.-I. Sou and Y.-B. Lin. “Broadcast Approach for UMTS Mobility Database Recovery,” IEEE Trans. Mobile Comput., vol. 6, no. 8, pp. 865-871, Aug. 2007.
  35. S.-I. Sou, H.-N. Hung, Y.-B. Lin, N.-F. Peng, and J.-Y. Jeng. “Modeling Credit Reservation Procedure for UMTS Online Charging System,” IEEE Trans. Wireless Commun., vol. 6, no. 11, pp. 4129-4135, Nov. 2007.
  36. S.-I. Sou, Y.-B. Lin, Q. Wu and J.-Y. Jeng. “Modeling of Prepaid Mechanism of VoIP and Messaging Services,” IEEE Trans. Veh. Technol., vol. 56, no. 3, pp. 1434-1441, May. 2007.
  37. S.-I. Sou and Y.-B. Lin. “Modeling of Mobility Database Failure Restoration using Checkpoint Schemes,” IEEE Trans. Wireless Commun., vol. 6, no. 1, pp. 313-319, Jan. 2007.
  38. H.-N. Hung, Y.-B. Lin, N.-F. Peng and S.-I. Sou. “Connection Failure Detection Mechanism of UMTS Charging Protocol,” IEEE Trans. Wireless Commun., vol. 5, no. 5, pp. 1180-1186, May 2006.
Conference
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  1. Y. Lee, F.-J. Wu and S.-I. Sou, "Hybrid Approaches for Conversation Group Identification: Integrating Wireless, Audio, and Contextual Information," IEEE International Conference on Communications (ICC), Denver, USA, Jun. 2024.
  2. H.-W. Li, H.-P. Hsieh and S.-I. Sou, "Transient Group Recommendation for Shared Environment using Check-in and Tag Data," Japan, Aug., 2023.
  3. S.-F. Chou, C.-Y. Yu, and S.-I. Sou, "Efficient Multi-UAV-Aided Communication Service Deployment in Disaster-Resilient Wireless Networks," IEEE Vehicular Networking Conference (VNC),  Istanbul, Türkiye, 2023.
  4. B.-Y. Huang, S.-I. Sou, Y. Lee, and H.-T. Wu, “NOMA-D: Data setup for NOMA couple in random access for 802.11 networks,” in 2022 IEEE ICCE-Taiwan, Taipei, Taiwan, Jul. 2022. 
  5. S.-I. Sou, F.-J. Wu and S.-Y. Tsai, "ProTrack: Detecting Proximity and Trajectory from Passive Wireless Traces of Mobile Devices", IEEE ICC, Seoul, South Korea, May, 2022.
  6. N. Bhooanusas and S.-I. Sou, “Measurement-Based IoT Server Selection for Mobile Edge Computing”, in the 22-nd The Asia-Pacific Network Operations and Management Symposium (APNOMS), Tainan, Taiwan, Sep. 2021.
  7. S.-H. Chen, S.-I. Sou, and H-P Hsieh, "HPCF: Hybrid Music Group Recommendation System based on Item Popularity and Collaborative Filtering", International Computer Symposium (ICS), Tainan, Taiwan, Dec., 2020.
  8. H.-W. Li, S.-I. Sou, and H-P Hsieh, "Room-based Playlist Arrangement System using Group Recommendation", International Computer Symposium (ICS), Tainan, Taiwan, Dec., 2020.
  9. Y.-C. Wang, P.-L. Yang, S.-I. Sou, and H-P Hsieh, "The MuTube Dataset for Music Listening History Retrieval and Recommendation System", International Computer Symposium (ICS), Tainan, Taiwan, Dec., 2020.
  10. Y. Lee, B.-Y. Huang, and S.-I. Sou, "An Efficient Algorithm for Joint Power Allocation in NOMA-Based Diamond Relay Networks", International Computer Symposium (ICS), Tainan, Taiwan, Dec., 2020.
  11. S.-I. Sou, S.-H. Chen, H-W Li, P-L Yang and Y-C Wang, "Nearby x Music: A Mobile Social Service in Proximity Based on YouTube Hashtag and Playlist", IEEE GCCE, Osaka, Japan, Oct. 2019.
  12. T.-H. Chen, S.-I. Sou and Y. Lee, “WiTrack: Human-to-Human Mobility Relationship Tracking in Indoor Environments Based on Spatio-Temporal Wireless Signal Strength,” The 17th IEEE International Conference on Pervasive Intelligence and Computing (PICom 2019), Fukuoka, Japan, Aug. 2019.
  13. S.-I. Sou, C.-L. Lou and Y. Lee, “Exploiting Spatial Locality for Content Placement in Roadside-Unit Caching with Delay Constraint ,” The 17th IEEE International Conference on Pervasive Intelligence and Computing (PICom 2019), Fukuoka, Japan, Aug. 2019.
  14. Y. Lee and S.-I. Sou, “On Improving Gauss-Seidel Iteration for Signal Detection in Uplink Multiuser Massive MIMO Systems,” The 3rd International Conference on Computer and Communication Systems (ICCCS), Nagoya, Japan, Apr. 2018.
  15. Y. Lee and S.-I. Sou,“Enhanced Frequency-Domain Signal Detection for Single-Carrier Spatial Modulation Systems,” The 3rd International Conference on Computer and Communication Systems (ICCCS), Nagoya, Japan, Apr. 2018.
  16. C.-S. Lin and S.-I. Sou, “Deadline Assurance through Dynamic Bandwidth Reallocation in Multipath Mobile Data Offloading,” IEEE WCNC, Barcelona, Spain, Apr. 2018.
  17. S.-I. Sou, and Y. Lee, “Trigger-based Approach with Hidden Node Problem for Uplink Multi-User Transmission in 802.11ax,” in IEEE 18th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), July, 2017.
  18. S.-I. Sou, Y.-T. Peng, M.-H. Tsai and Y. Lee, “Enabling Proximity Call Continuity via Common Neighbor Tunneling for Public Safety in LTE,” Proceeding of 2016 International Conference on Networking and Network Applications (NaNA'16), Hakodate, July 2016.
  19. S.-I. Sou and C.-H. Wu, “On the Survivability of Broadcast-based Information Dissemination over Multi-intersections in Vehicular Networking,”International Conference on Information, Communications & Signal Processing (ICICS), Singapore, Dec., 2015.
  20. S.-I. Sou and Y. Lee, “Segcast: Segment-based broadcasting for delay tolerant data dissemination in intermittent VANETs,”International Conference on Information, Communications & Signal Processing (ICICS), Singapore, Dec., 2015.
  21. C.-S. Lin, and S.-I. Sou "Cost Analysis of Deep Packet Inspection in PCC Architecture," International Computer Symposium (ICS), Taichung, Taiwan, Dec., 2014.
  22. Y.-J. Kuo, S.-I. Sou and Y. Lee, “Heuristic approach for subcarrier assignment in relay based femtocell with threshold constraint,” IEEE International Conference on Communication Systems (ICCS), Macau, China, Nov, 2014.
  23. C.-Y. Hsiao, S.-I. Sou and C.-S. Lin, “Small scale tracking scheme for low mobility devices in machine type communications,” VTC Spring, Seoul, Korea, May, 2014.
  24. T.-H. Hsu, S.-I. Sou and C.-S. Lin, “Architecture and Recipient Selection of Emergency Messaging for Ambulance Traveling,” VTC Spring, Seoul, Korea, May, 2014.
  25. F.-Y. Lee, S.-I. Sou, P. Lin, “Social-Based Broadcasting for Delay Tolerant Network,” IEEE Wireless Communications and Networking Conference (WCNC), Shanghai, China, Apr., 2013.
  26. S.-I. Sou, B.-J. Lin, Y. Lee, “A Probabilistic Approach for V2V Relay Contention based on Channel State Information,” IEEE Wireless Communications and Networking Conference (WCNC), Shanghai, China, Apr., 2013.
  27. S.-Y. Tsai, S.-I. Sou, and M.-H. Tsai, “Effect of Data Aggregation in M2M Networks,” The 15th International Symposium on Wireless Personal Multimedia Communications (WPMC), Taipei, Taiwan, Sept., 2012. (best paper award)
  28. S.-I. Sou, and Y. Lee, “SCB: Store-Carry-Broadcasting Scheme for Message Dissemination in Sparse VANET,” IEEE Vehicular Electronics Conference (VE2012), Yokohama, Japan, May, 2012.
  29. S.-I. Sou, P. Lin, S.-S. Chen and J.-Y. Jeng, “A Novel Multi-tariff Charging Method for Next Generation Multicast and Broadcast Service,” The 31st IEEE International Conference on Computer Communications (INFOCOM), Orlando, USA, Mar. 2012. (full paper).
  30. W.-C. Shieh, S.-I. Sou, and S.-Y. Tsai, “A Study of Video Frame Sharing in Sparse Vehicular Networks,” The 17th IEEE International Conference on Parallel and Distributed Systems (ICPADS), Tainan, Taiwan, Dec. 2011.
  31. S.-I. Sou, W.-C. Shieh, and Y. Lee, “A Video Frame Exchange Protocol with Selfishness Detection Mechanism under Sparse Infrastructure-based Deployment in VANET,” IEEE International Workshop on Selected Topics in Mobile and Wireless Computing (STWiMob), Shanghai, China, Oct., 2011.
  32. H-W Shieh, Y. Lee, and S.-I. Sou “Hybrid ZF-ML detection for N×N spatial multiplexing systems,” The 7th IEEE International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob), Shanghai, China, pp. 327-332, Oct. 2011.
  33. S.-I. Sou, C.-Y. Hsieh, F.-Y. Lee, Y.-F. Lin, J.-Y. Jeng, and C.-W. Cheng, “Design and Implementation of Dynamic Charging Plan for IMS-based Multicast Services,” The 13th Asia-Pacific Network Operations and Management Symposium (APNOMS), Taipei, Taiwan, Sept. 2011.
  34. H.-F. Ho, S.-I. Sou, and J.-Y. Jeng, “Credit Allocation Schemes for Quality-class-oriented Services in Next Generation Networks,” International Computer Symposium (ICS), Tainan, Taiwan, Dec., 2010.
  35. S.-I. Sou, H.-Y. Lee, C.-S. Lin, and C.-W. Cheng, “Design and Implementation of Policy and Charging Control System for Advanced Mobile Services,” The 7th International Conference on Information, Communications & Signal Processing (ICICS), Macau, Dec. 2009.
  36. S.-I. Sou, J.-Y. Jeng, and Y. Lee, Signaling overhead of policy and online charging control for bearer sessions in LTE network,” The 13th IEEE International Symposium on Consumer Electronics (ISCE), Kyoto, Japan, pp. 593-597, May 2009.
  37. S.-I. Sou, “Performance Analysis of Credit Re-authorization Schemes in UMTS Online Charging System,” ACM International Wireless Communications and Mobile Computing Conference (IWCMC), Hawaii, USA, Aug., 2007.
  38. S.-I. Sou, Q. Wu, Y.-B. Lin and C.-H. Yeh, “Prepaid Mechanism of VoIP and Messaging Services,” IEEE International Conference on Information Technology Research and Education (ITRE), Hsinchu, Taiwan, 2005.
Patent
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Others
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  1. S.-Y. Tsai, S.-I. Sou, and M.-H. Tsai "Effect of Data Aggregation in M2M Networks" (Book chapter), Internet of Things and M2M Communications, The River Publishers Series in Information Science and Technology, May, 2013.
  2. Y.-B. Lin and S.-I. Sou, Charging for Mobile All-IP Telecommunications, Wiley Publishing Co. in October, 2008. ISBN: 978-0-470-77565-3 (300 pages) November 2008. (Book)
  3. S.-I. Sou, "IMS Charging Management in Mobile Telecommunication Networks" (Book chapter), VoIP Handbook: Applications, Technologies, Reliability, and Security, by Syed A. Ahson and Mohammad Ilyas (editor), CRC Press, 2008.
Projects
  1. 行動網路上之高效能簡訊重送方法研究 (97-2218-E-006-020-) 執行期限: 2008/09/01 ~ 2009/07/31
  2. 下世代 動網 據服務之策 與計費控制系統實作與協定分析 (98-2221-E-006-095-) 執行期限: 2009/08/01 ~ 2010/07/31
  3. 佈署路側單元以改善車載網路中廣播訊息傳遞之研究(99-2221-E-006-122-)執行期限: 2010/08/01 ~ 2011/07/31
  4. 異質網路群播廣播服務之動態資費協定(NSC 100-2221-E-006 -200-)執行期限: 2011/08/01 ~ 2012/07/31
  5. 適用於智慧生活網之策略與計費管理(NSC 101-2221-E-006 -216-)執行期限: 2012/08/01 ~ 2013/07/31
  6. 整合機器型態通訊之複合式車載網路之傳送機制及效能分析(NSC 102-2221-E-006 -112 -MY3) 執行期限: 2013/08/01 ~ 2016/07/31
  7. 使用微定位裝置以提升長程演進技術中鄰近服務與任務導向系統: 發現機制、緊急通話與檔案傳送 (MOST 105-2628-E-006 -007 -MY3) 執行期限: 2016/08/01 ~ 2019/07/31
Classes
2015 Fall
2016 Fall
2016 Spring
2017 Fall
2017 Spring
2018 Fall
2018 Spring
2019 Fall
2019 Spring
2020 Spring
2021 Fall
2022 Spring
2022 Fall
2023 Spring
2023 Fall
2024 Spring
Students
Current Academic Year Lab Members
Master
林烔
洪鵬洧
吳紀寬
廖威任
林宛萱
黃湙珵
吳炯霖
林耕澤
羅文璟
徐子桓
吳定洋
陳以新
Graduates of all Previous Years
Master
99
林專勝
100
何秀芳   杜文皓   謝文程   葉貫中   蕭鈞文
101
蔡欣燁   李翎嘉   林秉君   王詩閔   謝政佑   李飛燕   林于富
102
黃漢邦   蔡東儒   蕭丞淵   黃雅莉   黃唯量   高培修
103
許梓浩   謝泓仰   郭沅融   吳承浩
104
陳彥勳   陳冠宏   鄭鈺霖
105
江孟桓   黃建皓   彭憶亭   李明儒   王珊晦
106
林文翔
107
羅巧伶   洪銓汎   許佑熙   林廷彥
108
王奕淳   陳亭翰   黃柏穎   陳盈君   鄭凱駿   巫浩廷
109
蔡榮漾   吳汶峻   楊沛霖
110
陳仕翰   王苡丞   林廷瑋   賴聖文   李芯瑋
111
尤呈譽   張宗毓   林韋成   吳翊帆   李昀
112
謝孟霓   黃楷雋   黃暄閔   王滋頎   陳哲彥   陳哲均
Ph.D.
107
林專勝
111
符傳傑
Honors
  1. 成大傑出教學獎(2017)
  2. 成大教學優良獎(2015)
  3. 成大輔導優良導師 (2014)
  4. 國科會優秀年輕研究學者計畫, 台灣 (2013–2016)
  5. 溫世仁新苗服務獎 (2012)
  6. 潘文淵考察研究獎助金 (2010)
  7. 資訊學會最佳博士論文獎優等
NCKU EE