DNSLab @ Inha Univ. Distributed and Networked Systems Lab.

Publications

2025

Website Identification Feasibility of QUIC Encrypted Traffic Using FlowPic Representation
Website Identification Feasibility of QUIC Encrypted Traffic Using FlowPic Representation
Minseo Kang, Heejun Roh
Proceedings of the Korea Software Congress 2025 (KSC 2025)  ·  19 Dec 2025  ·  [no id info]
Evaluating Detection Robustness and Generalization of HyperVision in a Heterogeneous Traffic Environment
Evaluating Detection Robustness and Generalization of HyperVision in a Heterogeneous Traffic Environment
Yaechan Lee, Heejun Roh, Jungsuk Song
Proceedings of the Korea Software Congress 2025 (KSC 2025)  ·  19 Dec 2025  ·  [no id info]
Per-Flow Split Evaluation for Packet Representation Learning: Data Snooping and Payload Dependency in Encrypted Traffic Classification
Per-Flow Split Evaluation for Packet Representation Learning: Data Snooping and Payload Dependency in Encrypted Traffic Classification
Kangwook Kim, Heejun Roh
Proceedings of the Korea Software Congress 2025 (KSC 2025)  ·  19 Dec 2025  ·  [no id info]
Encrypted Traffic Classification based on Multi-Task Learning with Multi-modal representations
Encrypted Traffic Classification based on Multi-Task Learning with Multi-modal representations
Taehwan Jang, Heejun Roh
Proceedings of the Korea Software Congress 2025 (KSC 2025)  ·  19 Dec 2025  ·  [no id info]

2024

Evaluating SPLT-based and nPrint-based AutoML Classifiers on an Encrypted Application Traffic over VPN Dataset
Evaluating SPLT-based and nPrint-based AutoML Classifiers on an Encrypted Application Traffic over VPN Dataset
Byeonghyeon Jeon, Eunhang Kim, Jihwan Oh, Heejun Roh
Proceedings of the Korea Software Congress 2024 (KSC 2024)  ·  18 Dec 2024  ·  [no id info]
Feasibility of Adopting Multipath TCP to BitTorrent-based Applications with Mininet
Feasibility of Adopting Multipath TCP to BitTorrent-based Applications with Mininet
Byeonghyeon Jeon, Heejun Roh, Seunghye Paik, Wonjun Lee
Proceedings of the 2024 KICS Summer Conference  ·  19 Jun 2024  ·  [no id info]
QUIC website fingerprinting based on automated machine learning
QUIC website fingerprinting based on automated machine learning
Joonseo Ha, Heejun Roh
ICT Express  ·  01 Jun 2024  ·  doi:10.1016/j.icte.2023.12.008
A method to speed up container deployments on edge clouds
A method to speed up container deployments on edge clouds
Seungmin Lee, Heejun Roh, Wonjun Lee
Annual Conference of KIPS  ·  23 May 2024  ·  [no id info]

2023

A Survey of Sequential Feature Representation Techniques in Encrypted Network Traffic Analysis
A Survey of Sequential Feature Representation Techniques in Encrypted Network Traffic Analysis
Geunho Kim, Joonseo Ha, Heejun Roh
Proceedings of the KIISE Korea Software Congress 2023 (KSC 2023)  ·  20 Dec 2023  ·  [no id info]
A Survey on Website Fingerprinting Techniques Based on Machine Learning
A Survey on Website Fingerprinting Techniques Based on Machine Learning
Joonseo Ha, Heejun Roh
Proceedings of the 2023 Korea institute of Information Security and Cryptology Choongchung Chapter Conference (KIISC CC 2023)  ·  22 Jun 2023  ·  [no id info]
A Survey on Traffic Data Preprocessing for Encrypted Traffic Analysis Based on Machine Learning
A Survey on Traffic Data Preprocessing for Encrypted Traffic Analysis Based on Machine Learning
Dohyun Ahn, Minki Hong, Joonseo Ha, Heejun Roh
Proceedings of the KIISC Conference on Information Security and Cryptography Summer 2023 (CISC-S 2023)  ·  22 Jun 2023  ·  [no id info]
On the Effectiveness of nPrint to an Encrypted Malware Traffic Dataset
On the Effectiveness of nPrint to an Encrypted Malware Traffic Dataset
Jaewoo Park, Minsoo Kim, Heejun Roh
Proceedings of the KIISE Korea Computer Congress 2023 (KCC 2023)  ·  17 Jun 2023  ·  [no id info]
Reproducibility Analysis of Linux 802.11n CSI Tool-based Wireless Network Experiments through AoA AoD Estimation
Reproducibility Analysis of Linux 802.11n CSI Tool-based Wireless Network Experiments through AoA/AoD Estimation
Geunho Kim, Sangbin Kim, Joonseo Ha, Heejun Roh
Proceedings of the KIISE Korea Computer Congress 2023 (KCC 2023)  ·  17 Jun 2023  ·  [no id info]
A Preemptive Detection Method for Unknown IoT Botnet Based on Darknet Traffic
A Preemptive Detection Method for Unknown IoT Botnet Based on Darknet Traffic
Gunyang Park, Jungsuk Song, Heejun Roh
Journal of the Korea Institute of Information Security & Cryptology  ·  01 Jan 2023  ·  [no id info]

2022

Revisiting TLS-Encrypted Traffic Fingerprinting Methods for Malware Family Classification
Revisiting TLS-Encrypted Traffic Fingerprinting Methods for Malware Family Classification
Hyundo Kim, Minsu Kim, Joonseo Ha, Heejun Roh
2022 13th International Conference on Information and Communication Technology Convergence (ICTC)  ·  19 Oct 2022  ·  doi:10.1109/ICTC55196.2022.9952872
Trends in Machine Learning Models for Encrypted Traffic Classification
Trends in Machine Learning Models for Encrypted Traffic Classification
Doehyun Kim, Dohyun Ahn, Heejun Roh
Proceedings of the 2022 Korea institute of Information Security and Cryptology Choongchung Chapter Conference (KIISC CC 2022)  ·  14 Oct 2022  ·  [no id info]
Impact of Destination Context of TLS-Encrypted Traffic in Malware Family Classification
Impact of Destination Context of TLS-Encrypted Traffic in Malware Family Classification
Joonseo Ha, Heejun Roh
Proceedings of the 32nd Joint Conference on Communications and Information (JCCI 2022)  ·  27 Apr 2022  ·  [no id info]
Combating Adversarial Covert Channels in Wi-Fi Networks
Combating Adversarial Covert Channels in Wi-Fi Networks
Hoorin Park, Wonwoo Jang, Jekyung Sung, Heejun Roh, Wonjun Lee
IEEE Access  ·  01 Jan 2022  ·  doi:10.1109/ACCESS.2022.3201648

2021

A Survey on TLS-Encrypted Malware Network Traffic Analysis Applicable to Security Operations Centers
A Survey on TLS-Encrypted Malware Network Traffic Analysis Applicable to Security Operations Centers
Chaeyeon Oh, Joonseo Ha, Heejun Roh
Applied Sciences  ·  24 Dec 2021  ·  doi:10.3390/app12010155
Experimental Evaluation of Malware Family Classification Methods from Sequential Information of TLS-Encrypted Traffic
Experimental Evaluation of Malware Family Classification Methods from Sequential Information of TLS-Encrypted Traffic
Joonseo Ha, Heejun Roh
Electronics  ·  20 Dec 2021  ·  doi:10.3390/electronics10243180
A Survey on TLS Fingerprinting for Cyber Threat Intelligence
A Survey on TLS Fingerprinting for Cyber Threat Intelligence
Heejun Roh
The Korea Institute of Information Security and Cryptology  ·  30 Oct 2021  ·  [no id info]
BuSAR: Bluetooth Slot Availability Randomization for Better Coexistence With Dense Wi-Fi Networks
BuSAR: Bluetooth Slot Availability Randomization for Better Coexistence With Dense Wi-Fi Networks
Chenglong Shao, Heejun Roh, Wonjun Lee
IEEE Transactions on Mobile Computing  ·  01 Mar 2021  ·  doi:10.1109/tmc.2019.2955080
Predictive Prefetching Based on User Interaction for Web Applications
Predictive Prefetching Based on User Interaction for Web Applications
Minwoo Joo, Yeonoh An, Heejun Roh, Wonjun Lee
IEEE Communications Letters  ·  01 Mar 2021  ·  doi:10.1109/LCOMM.2020.3038255
Revisiting Adaptive Frequency Hopping Map Prediction in Bluetooth with Machine Learning Classifiers
Revisiting Adaptive Frequency Hopping Map Prediction in Bluetooth with Machine Learning Classifiers
Janggoon Lee, Chanhee Park, Heejun Roh
Energies  ·  10 Feb 2021  ·  doi:10.3390/en14040928
Revisiting Bluetooth Adaptive Frequency Hopping Prediction with a Ubertooth
Revisiting Bluetooth Adaptive Frequency Hopping Prediction with a Ubertooth
Janggoon Lee, Chanhee Park, Heejun Roh
2021 International Conference on Information Networking (ICOIN)  ·  13 Jan 2021  ·  doi:10.1109/ICOIN50884.2021.9333996

2020

Poster: Feasibility of Malware Traffic Analysis through TLS-Encrypted Flow Visualization
Poster: Feasibility of Malware Traffic Analysis through TLS-Encrypted Flow Visualization
Dongeon Kim, Jihun Han, Jinwoo Lee, Heejun Roh, Wonjun Lee
2020 IEEE 28th International Conference on Network Protocols (ICNP)  ·  13 Oct 2020  ·  doi:10.1109/ICNP49622.2020.9259387
PolarScout: Wi-Fi Interference-Resilient ZigBee Communication via Shell-Shaping
PolarScout: Wi-Fi Interference-Resilient ZigBee Communication via Shell-Shaping
Chenglong Shao, Hoorin Park, Heejun Roh, Wonjun Lee, Hyoil Kim
IEEE/ACM Transactions on Networking  ·  01 Aug 2020  ·  doi:10.1109/TNET.2020.2989387
Poster Abstract: Suppressing CSI Leakage in Multi-user MIMO Networks via Precoding
Poster Abstract: Suppressing CSI Leakage in Multi-user MIMO Networks via Precoding
Seoungbin Bae, Youngki Kim, Heejun Roh, Wonjun Lee
IEEE INFOCOM 2020 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS)  ·  01 Jul 2020  ·  doi:10.1109/INFOCOMWKSHPS50562.2020.9162658
Poster Abstract: Encrypted Malware Traffic Detection Using Incremental Learning
Poster Abstract: Encrypted Malware Traffic Detection Using Incremental Learning
Insup Lee, Heejun Roh, Wonjun Lee
IEEE INFOCOM 2020 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS)  ·  01 Jul 2020  ·  doi:10.1109/INFOCOMWKSHPS50562.2020.9162971
Tagora: A Collision-Exploitative RFID Authentication Protocol Based on Cross-Layer Approach
Tagora: A Collision-Exploitative RFID Authentication Protocol Based on Cross-Layer Approach
Hoorin Park, Heejun Roh, Wonjun Lee
IEEE Internet of Things Journal  ·  01 Apr 2020  ·  doi:10.1109/JIOT.2020.2972915

2019

DOTA: Physical-Layer Decomposing and Threading for ZigBee Wi-Fi Co-Transmission
DOTA: Physical-Layer Decomposing and Threading for ZigBee/Wi-Fi Co-Transmission
Chenglong Shao, Hoorin Park, Heejun Roh, Wonjun Lee
IEEE Wireless Communications Letters  ·  01 Feb 2019  ·  doi:10.1109/LWC.2018.2863294
Secure and Lightweight Subflow Establishment of Multipath-TCP
Secure and Lightweight Subflow Establishment of Multipath-TCP
Gunhee Noh, Hoorin Park, Heejun Roh, Wonjun Lee
IEEE Access  ·  01 Jan 2019  ·  doi:10.1109/access.2019.2957434

2018

Next-generation RF-powered networks for Internet of Things: Architecture and research perspectives
Next-generation RF-powered networks for Internet of Things: Architecture and research perspectives
Chenglong Shao, Heejun Roh, Wonjun Lee
Journal of Network and Computer Applications  ·  01 Dec 2018  ·  doi:10.1016/j.jnca.2018.08.011

2017

RSSI의 표준편차를 활용한 실내 측위 기법 Indoor Localization using RSSI Standard Deviation
RSSI의 표준편차를 활용한 실내 측위 기법 (Indoor Localization using RSSI Standard Deviation)
제 24회 통신정보 합동학술대회  ·  24 Sep 2017  ·  [no id info]
SCBF: Exploiting a Collision for Authentication in Backscatter Networks
SCBF: Exploiting a Collision for Authentication in Backscatter Networks
Hoorin Park, Jieun Yu, Heejun Roh, Wonjun Lee
IEEE Communications Letters  ·  01 Jun 2017  ·  doi:10.1109/LCOMM.2017.2676773
Joint flow and virtual machine placement in hybrid cloud data centers
Joint flow and virtual machine placement in hybrid cloud data centers
Heejun Roh, Cheoulhoon Jung, Kyunghwi Kim, Sangheon Pack, Wonjun Lee
Journal of Network and Computer Applications  ·  01 May 2017  ·  doi:10.1016/j.jnca.2016.12.006
Cooperative Bridges: Towards Energy-Efficient Topology Control for Cooperative Wireless Ad Hoc Networks
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)  ·  20 Apr 2017  ·  [no id info]
모바일 테더링 기반 협력 네트워크 구성의 가능성 분석 Feasibility Analysis of Mobile Tethering-based Cooperative Networks
모바일 테더링 기반 협력 네트워크 구성의 가능성 분석 (Feasibility Analysis of Mobile Tethering-based Cooperative Networks)
한국정보과학회 학술발표논문집  ·  20 Apr 2017  ·  [no id info]
모바일 테더링 기반 협력 이종 네트워크의 효용 최대화 Utility Maximization in Mobile Tethering-based Cooperative Heterogeneous Networks
모바일 테더링 기반 협력 이종 네트워크의 효용 최대화 (Utility Maximization in Mobile Tethering-based Cooperative Heterogeneous Networks)
정보과학회논문지: 컴퓨팅의 실제 및 레터  ·  20 Apr 2017  ·  [no id info]
VM-CDS를 이용한 VANET에서의 효율적인 브로드캐스팅 기법 An Efficient Broadcasting Method based on VM-CDS in Vehicular Ad-hoc Networks
VM-CDS를 이용한 VANET에서의 효율적인 브로드캐스팅 기법 (An Efficient Broadcasting Method based on VM-CDS in Vehicular Ad-hoc Networks)
Journal of KIISE: Information Networking  ·  20 Apr 2017  ·  [no id info]
Joint Gateway and Relay Foadside Unit Placement in Vehicular Networks
Joint Gateway and Relay Foadside Unit Placement in Vehicular Networks
한국멀티미디어 학회지 (Korea Multimedia Society Magazine)  ·  20 Apr 2017  ·  [no id info]
노드 간 거리 인자 설계 장치 및 방법 Apparatus and Method for Distance Metric Design between Nodes
노드 간 거리 인자 설계 장치 및 방법 (Apparatus and Method for Distance Metric Design between Nodes)
[no publisher info]  ·  20 Apr 2017  ·  [no id info]
Method and Apparatus for Controlling Client Connection in MU-MIMO Networks
Method and Apparatus for Controlling Client Connection in MU-MIMO Networks
[no publisher info]  ·  20 Apr 2017  ·  [no id info]
The Useful Impact of Carrier Aggregation: A Measurement Study in South Korea for Commercial LTE-Advanced Networks
The Useful Impact of Carrier Aggregation: A Measurement Study in South Korea for Commercial LTE-Advanced Networks
Sangmin Lee, Seungheon Hyeon, Joongheon Kim, Heejun Roh, Wonjun Lee
IEEE Vehicular Technology Magazine  ·  01 Mar 2017  ·  doi:10.1109/MVT.2016.2604409
Flow and Virtual Machine Placement in Wireless Cloud Data Centers
Flow and Virtual Machine Placement in Wireless Cloud Data Centers
Heejun Roh, Kyunghwi Kim, Sangheon Pack, Wonjun Lee
Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering  ·  01 Jan 2017  ·  doi:10.1007/978-3-319-60717-7_14
A Software-Based Monitoring Framework for Time-Space Partitioned Avionics Systems
A Software-Based Monitoring Framework for Time-Space Partitioned Avionics Systems
Changmin Shin, Chaedeok Lim, Joongheon Kim, Heejun Roh, Wonjun Lee
IEEE Access  ·  01 Jan 2017  ·  doi:10.1109/ACCESS.2017.2755638

2016

Multisource wireless energy harvesting-based medium access control for rechargeable sensors
Multisource wireless energy harvesting-based medium access control for rechargeable sensors
Chenglong Shao, Heejun Roh, Taekyung Kim, Wonjun Lee
IEEE Transactions on Consumer Electronics  ·  01 May 2016  ·  doi:10.1109/TCE.2016.7514670

2015

Client selection for coordinated IEEE 802.11ac multi-user MIMO-enabled access points
Client selection for coordinated IEEE 802.11ac multi-user MIMO-enabled access points
Seongyong Jeong, Heejun Roh, Wonjun Lee
2015 International Conference on Information and Communication Technology Convergence (ICTC)  ·  01 Oct 2015  ·  doi:10.1109/ICTC.2015.7354607
Feasibility of a low-cost Tx-Rx separated reader system for RF-powered computers
Feasibility of a low-cost Tx-Rx separated reader system for RF-powered computers
Heejun Roh, Wonjun Lee
2015 IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS)  ·  01 Apr 2015  ·  doi:10.1109/INFCOMW.2015.7179338

2014

Aspiration Level-Based Strategy Dynamics on the Coexistence of Spectrum Cooperation and Leasing
Aspiration Level-Based Strategy Dynamics on the Coexistence of Spectrum Cooperation and Leasing
Chenglong Shao, Heejun Roh, Wonjun Lee
IEEE Communications Letters  ·  01 Jan 2014  ·  doi:10.1109/LCOMM.2013.112613.132085

2013

PND: a p persistent neighbor discovery protocol in wireless networks
PND: a p‐persistent neighbor discovery protocol in wireless networks
Kyunghwi Kim, Heejun Roh, Wonjun Lee, Sinjae Lee, Ding‐Zhu Du
Wireless Communications and Mobile Computing  ·  01 May 2013  ·  doi:10.1002/wcm.1128
Secondary user games with spectrum leasing market in cooperative cognitive radio networks
Secondary user games with spectrum leasing market in cooperative cognitive radio networks
Heejun Roh, Chenglong Shao, Sinjae Lee, Wonjun Lee, Ding-Zhu Du
2013 IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS)  ·  01 Apr 2013  ·  doi:10.1109/INFCOMW.2013.6970752
Resource pricing game in geo-distributed clouds
Resource pricing game in geo-distributed clouds
Heejun Roh, Cheoulhoon Jung, Wonjun Lee, Ding-Zhu Du
2013 Proceedings IEEE INFOCOM  ·  01 Apr 2013  ·  doi:10.1109/INFCOM.2013.6566947
Price-based tethering for cooperative networking
Price-based tethering for cooperative networking
The International Conference on Information Networking 2013 (ICOIN)  ·  01 Jan 2013  ·  doi: 10.1109/ICOIN.2013.6496408
A stackelberg game for cooperative cognitive radio network with active SUs
A stackelberg game for cooperative cognitive radio network with active SUs
Heejun Roh, Cheoulhoon Jung, Wonjun Lee, Ding-Zhu Du
2013 International Conference on Computing, Networking and Communications (ICNC)  ·  01 Jan 2013  ·  doi:10.1109/ICCNC.2013.6504211

2012

Topology Control in Cooperative Wireless Ad-Hoc Networks
Topology Control in Cooperative Wireless Ad-Hoc Networks
Jieun Yu, Heejun Roh, Wonjun Lee, Sangheon Pack, Ding-Zhu Du
IEEE Journal on Selected Areas in Communications  ·  01 Oct 2012  ·  doi:10.1109/JSAC.2012.121022
Tree-Based Neighbor Discovery in Urban Vehicular Sensor Networks
Tree-Based Neighbor Discovery in Urban Vehicular Sensor Networks
Heejun Roh, Wonjun Lee
International Journal of Distributed Sensor Networks  ·  01 Jan 2012  ·  doi:10.1155/2012/156590
A Price-Based Spectrum Management Scheme with Stackelberg Game in Cooperative Cognitive Radio Networks
A Price-Based Spectrum Management Scheme with Stackelberg Game in Cooperative Cognitive Radio Networks
Heejun ROH, Hoorin PARK, Cheoulhoon JUNG, Ding-Zhu DU, Wonjun LEE
IEICE Transactions on Communications  ·  01 Jan 2012  ·  doi:10.1587/transcom.E95.B.2956

2011

A Stackelberg game for spectrum investment and pricing in cooperative cognitive radio networks
A Stackelberg game for spectrum investment and pricing in cooperative cognitive radio networks
Heejun Roh, Hoorin Park, Cheoulhoon Jung, Wonjun Lee
Proceedings of The ACM CoNEXT Student Workshop  ·  06 Dec 2011  ·  doi:10.1145/2079327.2079335

2010

CMAC-ORS
CMAC-ORS
Soungwoo Kim, Heejun Roh, Wonjun Lee
ACM SIGMOBILE Mobile Computing and Communications Review  ·  27 Dec 2010  ·  doi:10.1145/1923641.1923651
Minimizing the joining delay for cooperation in mobile robot networks
Minimizing the joining delay for cooperation in mobile robot networks
Kyunghwi Kim, Heejun Roh, Wonjun Lee
2010 Second International Conference on Ubiquitous and Future Networks (ICUFN)  ·  01 Jun 2010  ·  doi:10.1109/ICUFN.2010.5547228
Cooperative Bridges: Topology Control in Cooperative Wireless Ad Hoc Networks
Cooperative Bridges: Topology Control in Cooperative Wireless Ad Hoc Networks
Jieun Yu, Heejun Roh, Wonjun Lee, Sangheon Pack, Ding-Zhu Du
2010 Proceedings IEEE INFOCOM  ·  01 Mar 2010  ·  doi:10.1109/INFCOM.2010.5462126
Topology Control for Increasing Connectivity in Cooperative Wireless Ad Hoc Networks
Topology Control for Increasing Connectivity in Cooperative Wireless Ad Hoc Networks
Jieun YU, Heejun ROH, Jun CAO, Sangheon PACK, Wonjun LEE, Ding-Zhu DU, Sangjin (Stephen) HONG
IEICE Transactions on Communications  ·  01 Jan 2010  ·  doi:10.1587/transcom.E93.B.1029
Delay Minimization of Tree-Based Neighbor Discovery in Mobile Robot Networks
Delay Minimization of Tree-Based Neighbor Discovery in Mobile Robot Networks
Heejun Roh, Kyunghwi Kim, Wonjun Lee
Lecture Notes in Computer Science  ·  01 Jan 2010  ·  doi:10.1007/978-3-642-14654-1_21