Heejun Roh's Official Homepage

Heejun Roh
Associate Professor (March 2024 - present)
Distributed and Networked Systems Lab. (DNSLab)
Department of Computer Engineering
College of Software and Convergence
Inha University
Incheon, Republic of Korea

Academic Advisor (M.E./Ph.D.): Professor Wonjun Lee (Korea University, Seoul, Republic of Korea)

Our Academic Genealogy

Academic Backgrounds

Ph.D. in Computer Science and Engineering, Graduate School, Korea University, Seoul, Republic of Korea (Mar. 2011 - Feb. 2017)
- Dissertation Title: Design and Optimization of Intermittently Networked Systems
- Overall GPA: 4.07/4.50
M.E. in Computer Science and Engineering, Graduate School, Korea University, Seoul, Republic of Korea (Mar. 2009 - Feb. 2011)
- Dissertation Title: Delay Minimization Schemes of Tree-based Neighbor Discovery in Mobile Robot Networks
- Overall GPA: 4.22/4.50
B.S. (Hons.) in Computer Science and Engineering, College of Information and Communications, Korea University, Seoul, Republic of Korea (Mar. 2005 - Feb. 2009)
- Overall GPA: 3.90/4.50; Note: His B.S. is called "공학학사" (B.E.) in Korean
B.S. in Mathematics (Double Major), College of Science, Korea University, Seoul, Republic of Korea (Mar. 2005 - Feb. 2009)

Positions Held

Associate Professor, Department of Comptuer Engineering, College of Software and Convergence, Inha University, Incheon, Republic of Korea (September 2024 - Present)
- also affiliated to the Deparment of Electrical and Computer Engineering, Graduate School, Inha University, Incheon, Republic of Korea
Assistant Professor, Department of Comptuer Engineering, College of Software and Convergence, Inha University, Incheon, Republic of Korea (March 2024 - August 2024)
Assistant Professor, Department of Artificial Intelligence Cyber Security, College of Science & Technology, Korea University Sejong Campus, Sejong City, Republic of Korea (February 2021 - February 2024)
- also affiliated to the Deparment of Cyber Security, Graduate School, Korea University, Sejong, Republic of Korea
Assistant Professor, Cyber Security Major, Division of Applied Mathematical Sciences, College of Science & Technology, Korea University Sejong Campus, Sejong City, Republic of Korea (March 2019 - February 2021)
Research Professor, Future Network Center, Korea University, Seoul, Republic of Korea (March 2017 - Feburary 2019)

Research Interests

Network Telemetry, especially Machine Learning-based Network Traffic Monitoring and Analysis
RF-powered Computing and Networking Systems for the Internet of Things
RF sensing and wireless coexistence
Design, implementation, and analysis of various network protocols and networked systems

Publications

International Journal Publications
- J. Ha and H. Roh, "QUIC Website Fingerprinting Based on Automated Machine Learning," ICT Express, vol. 10, no. 3, June 2024.
- H. Park, W. Jang, J. Sung, H. Roh, and W. Lee, "Combating Adversarial Covert Channels in Wi-Fi Networks," IEEE Access, vol. 10, pp. 89 944–89 958, 2022. (SCI 2022 I/F 3.745; Top 22.4% Impact Factor in CS, Information Systems Category).
- C. Oh, J. Ha, and H. Roh, "A Survey on TLS-Encrypted Malware Network Traffic Analysis Applicable to Security Operations Centers," Applied Sciences, vol. 12, no. 1, 2022.
- J. Ha and H. Roh, "Experimental Evaluation of Malware Family Classification Methods from Sequen- tial Information of TLS-Encrypted Traffic," Electronics, vol. 10, no. 24, 2021.
- M. Joo, Y. An, H. Roh, and W. Lee, "Predictive Prefetching Based on User Interaction for Web Appli- cations," IEEE Communications Letters, vol. 25, no. 3, pp. 821–824, Mar. 2021. (SCI 2022 I/F: 3.419; Top 35.5% Impact Factor in Telecommunications Category).
- C. Shao, H. Roh, and W. Lee, "BuSAR: Bluetooth Slot Availability Randomization for Better Coexis- tence With Dense Wi-Fi Networks," IEEE Transactions on Mobile Computing (TMC), vol. 20, no. 3, pp. 846–860, Mar. 2021. (SCI 2022 I/F: 7.9; Top 11.53% Impact Factor in Computer Science, Information Systems Category).
- C. Shao, H. Park, H. Roh, W. Lee, "DOTA: Physical-Layer Decomposing and Threading for ZigBee/Wi-Fi Co-Transmission," IEEE Wireless Communications Letters, Vol. 8, No. 1, pp. 133-136, February 2019. (SCI 2017 I/F: 3.096; Top 27.58% Impact Factor in Telecommunications Category)
- J. Lee, C. Park, and H. Roh, "Revisiting Adaptive Frequency Hopping Map Prediction in Bluetooth with Machine Learning Classifiers," Energies, vol. 14, no. 4, 2021, ISSN: 1996-1073.
- C. Shao, H. Park, H. Roh, W. Lee, and H. Kim, "PolarScout: Wi-Fi Interference-Resilient ZigBee Com- munication via Shell-Shaping," IEEE/ACM Transactions on Networking (ToN), vol. 28, no. 4, pp. 1587–1600, Aug. 2020. (SCI 2022 I/F: 3.315; Top 17.59% Impact Factor in Computer Science, Theory & Methods Category).
- H. Park, H. Roh, and W. Lee, "Tagora: A Collision-Exploitative RFID Authentication Protocol based on Cross-Layer Approach," IEEE Internet of Things Journal (IoTJ), vol. 7, no. 4, pp. 3751–3585, Apr. 2020. (I/F: 9.936; Top 1.92% Impact Factor in Computer Science, Information Systems Category)
- G. Noh, H. Park, H. Roh, and W. Lee, "Secure and Lightweight Subflow Establishment of Multipath- TCP," IEEE Access, vol. 7, no. 1, pp. 177 438–177 448, Dec. 2019. (I/F 3.745; Top 22.4% Impact Factor in CS, Information Systems Category).
- C. Shao, H. Park, H. Roh, and W. Lee, "DOTA: Physical-Layer Decomposing Threading for ZigBee/Wi- Fi Co-Transmission," IEEE Wireless Communications Letters, vol. 8, no. 1, pp. 133–136, Feb. 2019.
- C. Shao, H. Roh, and W. Lee, "Next-Generation RF-Powered Networks for Internet of Things: Architecture and Research Perspectives," Journal of Network and Computer Applications (JNCA), Vol. 123, No. 1, pp. 23-31, December 2018. (SCI 2017 I/F: 3.991; Top 3.84% Impact Factor in CS, SE Category)
- C. Shin, C. Lim, J. Kim, H. Roh, and W. Lee, "A Software-based Monitoring Framework for Time-Space Partitioned Avionics Systems," IEEE Access, Vol. 5, pp. 19132-19143, September 2017. (SCI 2017 I/F: 3.557; Top 16.21% Impact Factor in Computer Science, Information Systems Category)
- H. Park, J. Yu, H. Roh, and W. Lee, "SCBF: Exploiting a Collision for Authentication in Backscatter Networks," IEEE Communications Letters, Vol. 21, No. 6, pp. 1413-1416, June 2017. (SCI 2017 I/F: 2.723; Top 35.63% Impact Factor in Telecommunications Category)
- H. Roh, C. Jung, K. Kim, S. Pack, and W. Lee, "Joint Flow and Virtual Machine Placement in Hybrid Cloud Data Centers," Journal of Network and Computer Applications (JNCA), Vol. 85, No. 1, pp. 4-13, May 2017. (SCI 2017 I/F: 3.991; Top 3.84% Impact Factor in CS, SE Category)
- S. Lee, S. H. Hyeon, J. Kim, H. Roh, and W. Lee, "The Useful Impact of Carrier Aggregation: A Measurement Study in South Korea for Commercial LTE-Advanced Networks," IEEE Vehicular Technology Magazine (IEEE VTM), Vol. 12, No. 1, pp. 55-62, March 2017. (SCI 2017 I/F: 6.038; Top 6.89% Impact Factor in Telecommunications Category)
- C. Shao, H. Roh, T. Kim, and W. Lee, "Multisource Wireless Energy Harvesting-based Medium Access Control for Rechargeable Sensors," IEEE Transactions on Consumer Electronics (IEEE TCE), Vol. 62, No. 1, pp. 119-127, May 2016. (SCI 2017 I/F: 1.802; Top 50.57% Impact Factor in Telecommuniations Category)
- C. Shao, H. Roh, and W. Lee, "Aspiration Level-Based Strategy Dynamics on the Coexistence of Spectrum Cooperation and Leasing," IEEE Communications Letters (IEEE CL), Vol. 18, No. 1, pp. 70-73, January 2014. (SCI 2017 I/F: 2.723; Top 35.63% Impact Factor in Telecommunications Category)
- K. Kim, H. Roh, W. Lee, S. Lee, and D.-Z. Du, "PND: A p-Persistent Neighbor Discovery Protocol in Wireless Networks," Wireless Communications and Mobile Computing (WCMC), John Wiley & Sons, Vol. 13, No. 7, pp. 650-662, May 2013. (SCI 2016 I/F: 1.899; Top 45% Impact Factor in Telecommunications Category)
- J. Yu, H. Roh, W. Lee, S. Pack, and D.-Z. Du, "Topology Control in Cooperative Wireless Ad-Hoc Networks," IEEE Journal on Selected Areas in Communications (IEEE JSAC) - Special Issue on Cooperative Networking - Challenges and Applications (Part II), Vol. 30, No. 9, pp. 1771-1779, October 2012. (SCI 2017 I/F: 7.172; Top 5.74% Impact Factor in Telecommunications Category)
- H. Roh, H. Park, C. Jung, W. Lee, and D.-Z. Du, "A Price-Based Spectrum Management Scheme with Stackelberg Game in Cooperative Cognitive Radio Networks," IEICE Transactions on Communications, Vol. E95-B, No. 9, pp. 2956-2958, September 2012. (SCI 2012 I/F: 0.314)
- H. Roh and W. Lee, "Tree-based Neighbor Discovery in Urban Vehicular Sensor Networks," Hindawi International Journal of Distributed Sensor Networks (IJDSN) - Advanced Issues of Operating Systems for Reliable Distributed Sensor Networks, Vol. 2012, Article ID 156590, pp. 1-7, January 2012. (SCI 2012 I/F: 0.727)
- S. W. Kim, H. Roh, and W. Lee, "CMAC-ORS: A Cooperative MAC Protocol with On-demand Relay Selection for Wireless LANs," ACM SIGMOBILE Mobile Computing and Communications Review (MC2R), Vol. 15, No. 3, pp. 25-27, July 2010.
- J. Yu, H. Roh, J. Cao, S. Pack, W. Lee, D.-Z. Du, and S. S. Hong, "Topology control for increasing connectivity in cooperative wireless ad hoc networks," IEICE Transactions on Communications, Vol. E93-B, No. 4, pp. 1029-1032, April 2010. (SCI 2010 I/F: 0.301)
International Conference Publications
- H. Kim, M. Kim, J. Ha, and H. Roh, "Revisiting TLS-Encrypted Traffic Fingerprinting Methods for Malware Family Classification," in Proceedings of the 13th International Conference on Information and Communication Technology Convergence (ICTC’2022), Jeju Island, Republic of Korea: IEEE, Oct. 2022, pp. 1273– 1278.
- J. Lee, C. Park, and H. Roh, "Revisiting Bluetooth Adaptive Frequency Hopping Prediction with a Ubertooth," in Proceedings of the 35th International Conference on Information Networking (ICOIN’2021), Jan. 2021, pp. 715–717.
- D. Kim, J. Lee, J. Han, S. Park, S. Jang, and H. Roh, "Feasibility of Encrypted Malware Flow Detection through TLS Metadata Visualization," in the 35th International Conference on Information Networking (ICOIN’2021) - Recent Results Session, Jan. 2021.
- D. Kim, J. Han, J. Lee, H. Roh, and W. Lee, "Feasibility of Malware Traffic Analysis through TLS- Encrypted Flow Visualization," in Proceedings of the 28th IEEE International Conference on Network Protocols (IEEE ICNP’2020) - Poster Session, Oct. 2020, pp. 1–2.
- S. Bae, Y. Kim, H. Roh, and W. Lee, "Suppressing CSI Leakage in Multi-user MIMO Networks via Precoding," in Proceedings of the 39th IEEE Conference on Computer Communications (IEEE INFOCOM’2020) - Poster Session, Jul. 2020, pp. 1364–1365.
- I. Lee, H. Roh, and W. Lee, "Encrypted Malware Traffic Detection Using Incremental Learning," in Proceedings of the 39th IEEE Conference on Computer Communications (IEEE INFOCOM’2020) - Poster Session, Jul. 2020, pp. 1348–1349.
- H. Roh, K. Kim, S. Pack, and W. Lee, "Flow and Virtual Machine Placement in Wireless Cloud Data Centers," in Proceedings of the 12th EAI International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness (QSHINE'2016), Seoul, Korea, July 2016, pp. 1-10.
- S. Jeong, H. Roh, and W. Lee, "Client Selection for Coordinated IEEE 802.11ac Multi-user MIMO-enabled Access Points," in Proceedings of the 6th International Conference on ICT Convergence (ICTC'2015), Jeju Island, Republic of Korea, October 2015, pp.548-553.
- H. Roh and W. Lee, "Feasibility of A Low-Cost Tx-Rx Separated Reader System for RF-powered Computers," in Proceedings of the 34th IEEE Conference on Computer Communications (IEEE INFOCOM'2015) - Poster Session, Hong Kong, China, April 2015, pp. 51-52.
- H. Roh, C. Jung, W. Lee, and D.-Z. Du, "Resource Pricing Game in Geo-distributed Clouds," in Proceedings of the 32nd IEEE Conference on Computer Communications (IEEE INFOCOM'2013), Turin, Italy, April 2013, pp. 1519-1527. (Acceptance Ratio: 17%=280/1613) Corrected TR available upon request
- H. Roh, C. Shao, S. Lee, W. Lee, and D.-Z. Du, "Secondary User Games with Spectrum Leasing Market in Cooperative Cognitive Radio Networks," in Proceedings of the 32nd IEEE Conference on Computer Communications (IEEE INFOCOM'2013) - Poster Session, Turin, Italy, April 2013, pp. 87-88.
- J. Lee, C. Shao, H. Roh, and W. Lee, "Price-based Tethering for Cooperative Networking," in Proceedings of the 27th of the International Conference on Information Networking (ICOIN'2013), Bangkok, Thailand, January 2013, pp. 379-384.
- H. Roh, C. Jung, W. Lee, and D.-Z. Du, "A Stackelberg Game for Cooperative Cognitive Radio Networks with Active SUs," in Proceedings of 2013 the 2nd International Conference on Computing, Networking and Communications (ICNC'2013), San Diego, CA, USA, January 2013, pp. 905-909. (Acceptance Ratio: 25%=133/527)
- H. Roh, H. Park, C. Jung, and W. Lee, "A Stackelberg Game for Spectrum Investment and Pricing in Cooperative Cognitive Radio Networks," in Proceedings of the 7th International Conference on emerging Networking EXperiments and Technologies (ACM CoNEXT) Student Workshop, Tokyo, Japan, December 2011, pp. 8:1-8:2.
- S. W. Kim, H. Roh, and W. Lee, "CMAC-ORS: A Cooperative MAC Protocol with On-demand Relay Selection for Wireless LANs," the 16th ACM Annual International Conference on Mobile Computing and Networking (ACM MobiCom'2010) - Poster Session, Chicago, IL, USA, September 2010.
- H. Roh, K. Kim, and W. Lee, "Delay Minimization of Tree-based Neighbor Discovery in Mobile Robot Networks," in Proceedings of the 5th International Conference on Wireless Algorithms, Systems and Applications (WASA'2010), Beijing, China, August 2010, pp. 167-171.
- K. Kim, H. Roh, and W. Lee, "Minimizing the Joining Delay for Cooperation in Mobile Robot," in Proceedings of the 2nd International Conference on Ubiquitous and Future Networks (ICUFN'2010), Jeju Island, Korea, June 2010, pp. 139-144.
- J. Yu, H. Roh, W. Lee, S. Pack, and D.-Z. Du, "Cooperative Bridges: Topology Control in Cooperative Wireless Ad hoc networks," in Proceedings of the 29th IEEE Conference on Computer Communications (IEEE INFOCOM'2010), San Diego, CA, USA, March 2010, pp. 1-9. (Acceptance Ratio: 17.52%=276/1575)
- J. Yu, H. Roh, J. Cao, W. Lee, and S. Pack, "Cooperative Bridges: Towards Energy-Efficient Topology Control for Cooperative Wireless Ad Hoc Networks," the 14th ACM Annual International Conference on Mobile Computing and Networking (ACM MobiCom'2008) - Poster Session, San Francisco, CA, USA, September 2008.
International Patent Publication
- W. Lee, H. Roh, et al., "Method for Establishing Protocol Data Unit Session in Communication System," 10798761 B2, Oct. 2020.
Domestic Journal Publications
- G. Park, J. Song, and H. Roh, "A Preemptive Detection Method for Unknown IoT Botnet Based on Darknet Traffic," Journal of The Korea Institute of Information Security & Cryptology, vol. 33, no. 2, pp. 267–280, Apr. 2023.
- H. Roh, "Trends on TLS Fingerprinting for Cyber Threat Intelligence," KIISC Review, vol. 31, no. 5, pp. 13–19, Oct. 2021.
- K. Kim, H. Roh, and W. Lee, "Joint Gateway and Relay Roadside Unit Placement in Vehicular Networks," Korea Multimedia Society (ISSN: 1229-778X), Vol. 19, No. 2, pp. 26-34, June 2015.
- K. Lee, H. Roh, and W. Lee, "An Efficient Broadcasting Method based on VM-CDS in Vehicular Ad-hoc Networks," Journal of KIISE: Information Networking, Vol. 40, No. 3, pp. 154-164, June 2013.
- H. Roh, J. Lee, C. Shao, and W. Lee, "Utility Maximization in Mobile Tethering-based Cooperative Heterogeneous Networks," Journal of KIISE: Computing Practices and Letters, Vol. 19, No. 4, pp. 209-213, April 2013.
Domestic Conference Publications
- B. Jeon, E. Kim, J. Oh, and H. Roh, "Evaluating SPLT-based and nPrint-based AutoML Classifiers on an Encrypted Application Traffic over VPN Dataset," in Proceedings of KIISE Korea Software Congress 2024 (KSC 2024), Dec. 2024.
- B. Jeon, H. Roh, S. Paik, and W. Lee, "Feasibility of Adopting Multipath TCP to BitTorrent-based Applications with Mininet," in Proceedings of KICS Summer Conference 2024, Jun. 2024. (Selected as an Undergraduate Outstanding Paper (Honorable Mention, 장려상) Award)
- G. Kim, J. Ha, and H. Roh, "A Survey of Sequential Feature Representation Techniques in Encrypted Network Traffic Analysis," in Proceedings of KIISE Korea Software Congress 2023 (KSC 2023), Dec. 2023.
- D. Ahn, M. Hong, J. Ha, and H. Roh, "A Survey on Traffic Data Preprocessing for Encrypted Traffic Analysis Based on Machine Learning," in Proceedings of the 2023 KIISC Conference on Information Security and Cryptography Summer 2023 (CISC-S’2023), Jun. 2023.
- D. Ahn, M. Hong, J. Ha, and H. Roh, "A Survey on Traffic Data Preprocessing for Encrypted Traffic Analysis Based on Machine Learning," in Proceedings of the 2023 KIISC Conference on Information Security and Cryptography Summer 2023 (CISC-S’2023), Jun. 2023.
- G. Kim, S. Kim, J. Ha, and H. Roh, "Reproducibility Analysis of Linux 802.11n CSI Tool-based Wireless Network Experiments through AoA/AoD Estimation," in Proceedings of KIISE Korea Computer Congress 2023 (KCC 2023), Jun. 2023.
- J. Park, M. Kim, and H. Roh, "On the Effectiveness of nPrint to a TLS-Encrypted Malware Traffic Dataset," in Proceedings of KIISE Korea Computer Congress 2023 (KCC 2023), Jun. 2023. (Selected as an Undergraduate Best Paper (최우수논문상) Award)
- D. Kim, D. Ahn, and H. Roh, "Trends in Machine Learning Models for Encrypted Traffic Classification," in Proceedings of the 2022 KIISC Chungcheong Local Conference, Oct. 2022.
- J. Ha and H. Roh, "Feasibility Analysis of Malware Family Classification through Invariant Extraction of TLS-Encrypted Traffic," in Proceedings of KIISE Korea Software Congress 2020 (KSC 2020), Dec. 2020.
- K. Bae, S. Choi, and H. Roh, "Classifying Encrypted Malware Traffic by Family Based on Markov Chain Model," in Proceedings of KICS Summer Conference 2020, Jul. 2020.
- Y. B. Jo and H. Roh, "Design of a Metadata Preprocessing Framework for Encrypted Flows," in Proceedings of KIISE Korea Computer Congress 2019 (KCC 2019), Dec. 2019.
- Y. B. Jo, H. J. Ryu, D. E. Kim, W. G. Shin, M. H. Ko, and H. Roh, "Feasibility of A Markov Chain Model for Classifying Encrypted Malware Traffic," in Proceedings of KICS Fall Conference 2020, Nov. 2020.
- J. Chun, H. Roh, and W. Lee, "Server Capacity Optimization for A Hierarchical Edge Cloud Architecture," in Proceedings of KIISE Korea Computer Congress 2017 (KCC 2017), Jeju-do, Korea, June 2017. (Selected as an Outstanding Paper Award)
- S. Seo, Y. Jang, H. Roh, and W. Lee, "Re-authentication Scheme with Improved Usability based on User Behavior Analytics," in Proceedings of KIISE Korea Computer Congress 2017 (KCC 2017), Jeju-do, Korea, June 2017.
- H. Roh, G. Noh, S. Paik, and W. Lee, "Feasibility of Multipath TCP-based Cooperative Networking Systems," in Proceedings of the 43rd Korean Institute of Information Scientists and Engineers (KIISE) Winter Conference, Pyeongchang, Gangwon-do, Korea, December 2016.
- S. Jeong, H. Roh , and W. Lee, "Indoor Localization using RSSI Standard Deviation," in Proceedings of the 24th Joint Conference on Communications and Information (JCCI), Yeosu, April 2014.
- H. Roh, J. Lee, C. Shao, and W. Lee, "Feasibility Analysis of Mobile Tethering-based Cooperative Networks," in Proceedings of the 39th Korean Institute of Information Scientists and Engineers (KIISE) Fall Conference, Daejeon, November 2012.
  (Selected as an Outstanding Presentation Award)
Domestic Patent Publications
- W. Lee, H. Roh, and J. Lee, "Apparatus and method for cooperative networking based price using tethering," Korean Patent 10-1740428, May 22, 2017.
- W. Lee, K. Kim, and H. Roh, "Apparatus and Method for Distance Metric Design between Nodes," Korean Patent 10-1538419, July 15, 2015.
- W. Lee, S. Jeong, and H. Roh, "Method and Apparatus for Controlling Client Connection in MU-MIMO Networks," Korean Patent 10-1705814, February 6, 2017.
Books (Domestic)
- E. S. Kim, H. Roh, et al., Summa Cum Laude - High School Mathematics Vol. 2, Erum E & B, 2018. (ISBN: 978-8959904549, Info.)
- H. Roh, E. S. Kim, et al., Summa Cum Laude - High School Mathematics Vol. 1, Erum E & B, 2017. (ISBN: 978-8959904181, Info.)
- H. Roh, E. S. Kim, et al., Summa Cum Laude - High School Mathematics I, Erum E & B, 2013. (Out of print, ISBN: 978-8959902217, Info.)
- E. S. Kim, H. Roh, et al., Summa Cum Laude - High School Mathematics II, Erum E & B, 2014. (ISBN: 978-8959902576, Info.)
- E. S. Kim, H. Roh, et al., Summa Cum Laude - High School Mathematics Vol. 1, Erum E & B, 2009. (Out of print, ISBN: 978-8959900572, Info.)
- E. S. Kim, H. Roh, et al., Summa Cum Laude - High School Mathematics Vol. 2, Erum E & B, 2009. (Out of print, ISBN: 978-8989900589, Info.)
- H. Roh and S. Lee, Summa Cum Laude - High School Calculus, Erum E & B, 2006. (Out of print, ISBN: 978-8959900442, Info.)
- E. S. Kim, H. Kim, H. Roh, I. Lee and W. Hyun, Summa Cum Laude - High School Mathematics 10-a, Erum E & B, 2005. (Out of print, ISBN: 978-8959900183, Info.)
- E. S. Kim, H. Kim, H. Roh, I. Lee and W. Hyun, Summa Cum Laude - High School Mathematics 10-b, Erum E & B, 2005. (Out of print, ISBN: 978-8959900190, Info.)

Honors & Awards
- Top 20% Teaching Award, Korea University Sejong Campus, November 2020 (for Network Security, Spring 2020)
- Postdoctoral Fellowship Grant, National Research Foundation of Korea, 2017-2018.
  - Project Title: Design of Amorphous Network-based Intermittent Fog Networking Systems
- The 1st Place Transactions Award of 2018 Annual IEEE Consumer Electronics Society Chester W. Sall Memorial Awards, January 2018.
- Outstanding Paper Award, Dept. of Computer and Radio Communications Engineering, Graduate School, Korea University, February 2017.
- Qualcomm Innovation Award at Korea University, June 2016.
- The 8th Student of the Year (SOTY) Award, Network Research Lab., Korea University, January 2017.
- The 7th Student of the Year (SOTY) Award, Network Research Lab., Korea University, May 2016.
- The 6th Student of the Year (SOTY) Award, Network Research Lab., Korea University, January 2015.
- The 4th Student of the Year (SOTY) Award, Network Research Lab., Korea University, February 2013.
- The 3rd Student of the Year (SOTY) Award, Network Research Lab., Korea University, January 2012.
- ACM CoNEXT 2011 Student Travel Grant, December 2011.
- Bronze Prize Award at the 16th Samsung Humantech Paper Prize, February 2010.
  - Cooperative Bridges: Topology Control in Cooperative Wireless Ad Hoc Networks; (with J. Yu).
- 2009 ACM-ICPC Seoul Regional Contest 10th Place, November 2009; (Team DaTulRae, with Sundong Ahn and Soungwoo Kim).
- 2007 ACM-ICPC Seoul Regional Contest 12th Place, November 2007; (Team DaTulRae, with Jaewon Ryu and Sundong Ahn).
Scholarships
- Global Ph.D. Fellowship (GPF), MEST/NRF, 2011-2014. (Selected as one of 257 students in the 1st half of (the 1st) 2011 GPF Program)
- Research Encouragement Scholarship, Graduate School, Korea University, 2016 Fall.
- Research Assistant Scholarship, Graduate School, 2014 Spring.
- Administrative Assistant Scholarship, Graduate School, Korea University, 2012 Fall.
- Research Assistant Scholarship, Graduate School, Korea University, 2011 Spring.
- Administrative Assistant Scholarship, Graduate School, Korea University, 2010 Fall.
- Administrative Assistant Scholarship, Graduate School, Korea University, 2010 Spring.
- Administrative Assistant Scholarship, Graduate School, Korea University, 2009 Fall.
- Administrative Assistant Scholarship, Graduate School, Korea University, 2009 Spring.
- National Funding Scholarship (국고 구조개혁 장학금), MOEHRD, 2007 Fall.
- Honors Scholarship, Korea University, 2006 Spring.
- Honors Scholarship, Korea University, 2005 Fall.
Language Skills

English: Intermediate level in speaking and listening, and highly qualified in writing and reading (New TOEIC Score: 855/990)
Japanese: The ability to understand Japanese used in a variety of circumstances. (New JLPT Level N1, Score: 142/180; Cutoff Score: 100/180)
cf) High level in grammar, knowing 2,000 kanji and 10,000 words and having an integrated command of the language sufficient for life in Japanese society (Old JLPT Level 1, Score: 326/400; Cutoff Score: 280/400)

Graduate Coursework (Completed)

Linear System Theory (English, CRE563, 2012 Fall); Prof. Seongjun Oh
Advanced Operating Systems (English, CRE504, 2012 Fall); Prof. Hyuck Yoo
Nonlinear System (ECE636, 2012 Fall); Prof. Tae-Woong Yoon
Internet Architectures (English, CRE722, 2012 Spring); Prof. Wonjun Lee
Introduction to High-Capacity Computing (CRE565, 2012 Spring); Prof. Hongsuk Yi (KISTI)
Microeconomic Theory I (English, ECO501, 2012 Spring); Prof. Seung Han Yoo & Prof. Samho Lee
Game Theory (ECO608, 2012 Spring); Prof. Kihoo Yoon
Trusted Computing (English, CRE642, 2011 Fall); Prof. Gyungho Lee
Sensor Networks (English, CRE720, 2011 Spring); Prof. Wonjun Lee
Advanced Computer Architecture (English, CRE505, 2011 Spring); Prof. Gyungho Lee
IP Mobility (English, EKE634, 2011 Spring); Prof. Sangheon Pack
Communication Networks I (English, CRE676, 2011 Spring); Prof. Seung Jun Baek
Wireless Internet (English, CRE614, 2010 Fall); Prof. Wonjun Lee
Optimizations in Communication Systems (English, CRE793, 2010 Fall); Prof. Seong Jun Baek
Department Seminar (CRE500, 2010 Fall); Prof. Sang Keun Park
Stochastic Processes II (MTH724, 2010 Fall); Prof. Bong Dae Choi
Computer Network (CRE523, 2010 Spring); Prof. Wonjun Lee
Design and Analysis of Algorithms (English, CRE515, 2010 Spring); Prof. Jaewoo Kang/Prof. Dongwon Lee (Penn State Univ.; Team Teaching)
Numerical Analysis (English, MTH614, 2010 Spring); Prof. Junseok Kim
Stochastic Process I (MTH723, 2010 Spring); Prof. Bong Dae Choi
Internet Protocols (English, CRE644, 2009 Fall); Prof. Wonjun Lee
Advanced Wireless Communications (English, CRE779, 2009 Fall); Prof. Byonghyo Shim
Probability I (MTH505, 2009 Fall); Prof. Bong Dae Choi
Queueing Theory and Its Application (MTH750, 2009 Fall); Prof. Bong Dae Choi
Probability and Random Process (English, CRE562, 2009 Spring); Prof. Seongjun Oh
Advanced Mathematics (English, CRE786, 2009 Spring); Prof. Byonghyo Shim
Applied Stochastic Process (MTH751, 2009 Spring); Prof. Bong Dae Choi

Teaching Experiences
- Problem Solving (CSE3309) as the Lecturer (Fall 2024), Inha University
- Computer Networks (CSE3212) as the Lecturer (Spring 2024, Fall 2024), Inha University
- Internet Programming (CSE2104) as the Lecturer (Spring 2024), Inha University
- [Graduate-level] Introduction to Cloud-based Systems (SCD751), Graduate School of Convergence Science as the Lecturer (Spring 2022), Korea University, Sejong
- [Graduate-level] Theory of Digital Forensics (CYS556), Graduate School as the Lecturer (Fall 2020, Fall 2022), Korea University, Sejong
- [Graduate-level] Network Security (CYS552), Graduate School as the Lecturer (Fall 2021, Fall 2023), Korea University, Sejong
- [Graduate-level] Computer Algorithms (CYS514), Graduate School as the Lecturer (Spring 2022), Korea University, Sejong
- [Graduate-level] Computer Networks (CYS513), Graduate School as the Lecturer (Spring 2021, Spring 2023), Korea University, Sejong
- [Graduate-level] Introduction to AI (GRA507), Graduate School as the Lecturer (Spring 2021), Korea University, Sejong
- System Programming Practice (AICS321) as the Lecturer (Fall 2023 - SEMO Class), Korea University Sejong Campus
- Network Security (AICS324/SECU302) as the Lecturer (Spring 2020, Spring 2021, Fall 2022 - SEMO Class, Fall 2023 - SEMO Class) (Selected as a Top 20% teaching award in Spring 2020), Korea University Sejong Campus
- Operating Systems (AICS302/SECU311) as the Lecturer (Spring 2020, Spring 2021 - Flipped Class, Spring 2022 - SEMO Class, Spring 2023 - SEMO Class), Korea University Sejong Campus
- Computer Architecture (AICS221/SECU214) as the Lecturer (Fall 2018, Fall 2019, Fall 2020 - Flipped Class, Fall 2021 - SEMO Class, Fall 2022 - SEMO Class, Fall 2023 - SEMO Class), Korea University Sejong Campus
- Data Structure (AICS201/SECU201) as the Lecturer (Spring 2018, Spring 2019, Spring 2020, Spring 2021 - SEMO Class, Spring 2022 - SEMO Class, Spring 2023 - SEMO Class), Korea University Sejong Campus
- System Security (AICS306/SECU320) as the Lecturer (Fall 2020, Fall 2021), Korea University Sejong Campus
- Basis and Practice in Programming (SECU217) as the Lecturer (Spring 2019), Korea University Sejong Campus
- Introduction to Information & Communications (SECU213) as the Lecturer (Spring 2018), Korea University Sejong Campus
- Subject 81 and Subject 53 as the Lecturer (Fall 2019 and Spring 2020, respectively), Korea University, Seoul
- Network Theory (IME301, 2017 Fall; Lecturer: Prof. Wonjun Lee and Heejun Roh), Korea University, Seoul
- Processor Architecture as the Chief TA (COSE422, 2016 Fall; Lecturer: Prof. Gyungho Lee), Korea University, Seoul
- Subject 40 as the Chief TA (CYDF313, 2016 Fall; Lecturer: Prof. Gyungho Lee), Korea University, Seoul
- Subject 43 as the Chief TA (CYDF316, 2016 Fall; Lecturer: Prof. Wonjun Lee), Korea University, Seoul
- Research in Wireless Communication Networks as the TA (IMS845, 2016 Spring), Korea University, Seoul
- Network Theory as a TA (IMS301, 2016 Spring), Korea University, Seoul
- Subject 46 as the Chief TA (CYDF316, 2015 Fall), Korea University, Seoul
- Subject 53 as the Chief TA (CYDF321, 2015 Spring), Korea University, Seoul
- Communication Networks as the Chief TA (CNCE461, 2015 Spring), Korea University, Seoul
- Sensor Networks as the TA (CRE720, 2014 Fall), Korea University, Seoul
- Computer Networks as the Chief TA (COSE342, 2014 Fall), Korea University, Seoul
- Subject 31 as the Chief TA (CYDF305, 2014 Spring), Korea University, Seoul
- Introduction to Probability and Statistics as the Chief TA (CNCE311, 2013 Fall), Korea University, Seoul
- Computer Networks as the Chief TA (CNCE304, 2013 Fall), Korea University, Seoul
- Special Topics in Network Engineering as the TA (CRE804, 2013 Spring), Korea University, Seoul
- Wireless Mobile Communications as the Chief TA (CNCE407, 2013 Spring), Korea University, Seoul
- Wireless Mobile Communications as the Chief TA (CNCE407, 2012 Spring), Korea University, Seoul
- Computer Networks as the Chief TA (CNCE304, 2011 Fall), Korea University, Seoul
- Wireless Mobile Communications as the Chief TA (CNCE407, 2011 Spring), Korea University, Seoul
- Computer Networks as the Chief TA (CNCE304, 2010 Fall), Korea University, Seoul
- Wireless Mobile Communications as the Chief TA (CNCE407, 2010 Spring), Korea University, Seoul
- Computer Networks as a TA (English, CNCE304, 2009 Fall), Korea University, Seoul
Professional Activities
1. Associate Editor, Information Networking, the 32nd-39th Editorial Boards, Journal of KIISE, 2017-2024.
2. Technical Program Committee Vice Chair – Top Conference Session, KIISE Korea Software Congress (KSC), December 20-22, 2023.
3. Technical Program Committee Vice Chair – Top Conference Session, KIISE Korea Computer Congress (KCC), June 17-20, 2023.
4. Program Committee, the 14th International Conference on ICT Convergence (ICTC’2023), Jeju Island, Republic of Korea, October 11-13, 2023.
5. Program Committee, the 17th Asia Joint Conference on Information Security (AsiaJCIS’ 2023), Tokyo, Japan, August 15-16, 2023.
6. Program Committee, the 12th IEEE/CIC International Conference on Communications in China (ICCC’2023), Dalian, China, August 10-12, 2023.
7. Program Committee, the 14th International Conference on Ubiquitous and Future Networks 2023 (ICUFN’2023), Paris, France & Virtual, July 4-7, 2023.
8. Program Committee, the 33rd Joint Conference on Communications and Information (JCCI’2023), Yeosu, Republic of Korea, April 26-28, 2023.
9. Program Committee, the 2023 IEEE Wireless Communications and Networking Conference (WCNC’2023), Glasgow, United Kingdom, March 26-29, 2023.
10. Program Committee, the 5th International Conference on Artificial Intelligence in Information and Communication (ICAIIC’2023), Bali, Indonesia & Virtual, February 20-23, 2023.
11. Program Committee, the 37th International Conference on Information Networking (ICOIN’2023), Bangkok, Republic of Korea & Virtual, January 11-14, 2023.
12. Program Committee, the 29th International Conference on Neural Information Processing (ICONIP’2022), Virtual, November 22-26, 2022.
13. Program Committee, the 13th International Conference on ICT Convergence (ICTC’2022), Jeju Island, Republic of Korea, October 19-21, 2022.
14. Program Committee, the 11th IEEE/CIC International Conference on Communications in China (ICCC’2022), Foshan City, China, August 11-13, 2022.
15. Program Committee, the 17th Asia Joint Conference on Information Security (AsiaJCIS’ 2022), Baoding, China, July 15-16, 2022.
16. Program Committee, the 2022 IEEE Wireless Communications and Networking Conference (WCNC’2022), Austin, United States, April 10-13, 2022.
17. Program Committee, the 4th International Conference on Artificial Intelligence in Information and Communication (ICAIIC’2022), Jeju Island, Republic of Korea, February 21-24, 2022.
18. Program Committee, the 36th International Conference on Information Networking (ICOIN’2022), Jeju Island, Republic of Korea & Virtual, January 12-15, 2022.
19. Program Committee, the 40th International Conference on Consumer Electronics (ICCE’2022), Virtual, January 7-9, 2022.
20. Program Committee, the 12th International Conference on ICT Convergence (ICTC’2021), Jeju Island, Republic of Korea, October 20-22, 2021.
21. Program Committee, the 16th Asia Joint Conference on Information Security (AsiaJCIS’ 2021), Seoul, Republic of Korea, August 19-20, 2021.
22. Program Committee, the 10th IEEE/CIC International Conference on Communications in China (ICCC’2021), Xiamen, China, July 28-30, 2021.
23. Program Committee, the 3rd International Conference on Artificial Intelligence in Information and Communication (ICAIIC’2021), Jeju Island, Republic of Korea, April 13-16, 2021.
24. Program Committee, the 2021 IEEE Wireless Communications and Networking Conference (WCNC’2021), Nanjing, China, March 29-April 1, 2021.
25. Program Committee, the 35th International Conference on Information Networking (ICOIN’2021), Jeju Island, Republic of Korea, January 13-16, 2021.
26. Program Committee, the 18th IEEE International Conference on Embedded and Ubiquitous Computing (EUC’2020), Guangzhou, China, December 29, 2020-January 1, 2021.
27. Program Committee, the 5th International Conference on Consumer Electronics (ICCEAsia’ 2020), Busan, Republic of Korea, November 1-3, 2020.
28. Program Committee, the 11th International Conference on ICT Convergence (ICTC’2020), Jeju Island, Republic of Korea, October 21-23, 2020.
29. Program Committee, the 15th Asia Joint Conference on Information Security (AsiaJCIS’ 2020), Taipei, Taiwan, August 20-21, 2020.
30. Program Committee, the 2020 IEEE Wireless Communications and Networking Conference (WCNC'2020) Seoul, Republic of Korea, April 6-9, 2020.
31. Program Committee, the 2nd International Conference on Artificial Intelligence in Information and Communication (ICAIIC’2020), Fukuoka, Japan, February 19-21, 2020.
32. Program Committee, the 34th International Conference on Information Networking (ICOIN'2020), Barcelona, Spain, January 8-10, 2020.
33. Program Committee, the 14th Asia Joint Conference on Information Security (AsiaJCIS'2019), Kobe, Japan, August 1-2, 2019.
34. Program Committee, the 4th IEEE International Conference on Consumer Electronics Asia (IEEE ICCE-Asia'2019), Bangkok, Thailand, June 12-14, 2019.
35. Program Committee, Wireless Networking Track, the 8th IEEE/CIC International Conference on Communications in China (ICCC'2019), Changchun, China, August 11-13, 2019.
36. Program Committee, Cognitive, Cellular and Mobile Networks (CCM) Track, the 28th International Conference on Computer Communications and Networks (ICCCN'2019), Valencia, Spain, July 29 - August 1, 2019.
37. Program Committee, Distributed Green Computing and Energy Management Track, the 39th IEEE International Conference on Distributed Computing Systems (ICDCS'2019), Dallas, Texas, USA, July 7-10, 2019.
38. Program Committee, the 33rd International Conference on Information Networking (ICOIN'2019), Kuala Lumpur, Malaysia, January 9-11, 2019.
39. Program Committee, Track 5 - Mobile and Cooperative Networks Track, the 16th IEEE Consumer Communications & Networking Conference (CCNC'2019), Las Vegas, USA, January 11-14, 2019.
40. Program Committee, the 3rd International Conference on Recent Advances in Signal Processing, Telecommunications & Computing (SigTelCom'2019), Ha Noi, Vietnam, March 21-22, 2019.
41. Program Committee, the 9th International Conference on ICT Convergence (ICTC'2018), Jeju, Republic of Korea, October 17-19, 2018.
42. Program Committee, the 3rd International Conference on Consumer Electronics Asia (IEEE/IEIE ICCE-Asia'2018), Jeju, Republic of Korea, June 24-26, 2018.
43. Program Committee, the 2018 IEEE/IFIP Network Operations and Management Symposium (NOMS'2018) - Dissertation Session, Taipei, Taiwan, April 23-27, 2018.
44. Program Committee, the 32nd International Conference on Information Networking (ICOIN'2018), Chiang Mai, Thailand, January 10-12, 2018.
45. Program Committee, Ubiquitous Systems, Services and Applications Track, the 16th IEEE International Conference on Ubiquitous Computing and Communications (IUCC'2017), Guangzhou, China, December 12-15, 2017.
46. Reviewer, IEEE Access.
47. Reviewer, IEEE Internet of Things Journal.
48. Reviewer, Journal of Combinatorial Optimization.
49. Reviewer, Optimization Letters.
50. Reviewer, Journal of Communications and Networks.
51. Reviewer, Journal of Network and Computer Applications.
52. Reviewer, ICT Express (Selected as an awardee of Best Reviewer Awards in 2017).
53. Reviewer, the 12th International Conference on Mobile Ad-hoc and Sensor Networks (MSN'2016), Hufei, China, December 16-18, 2016.
54. Reviewer, the 2014 IEEE 80th Vehicular Technology Conference (VTC'2014-Fall), Vancouver, Canada, 14-17 September 2014.
Contact Information
- E-mail: hjroh AT inha.ac.kr (The best way to contact me)