Publications

International Journals

• D. Lim and J. Kim, Implementation and Field Experiment of a Block-Channel Estimator for 5G Physical Broadcast Channel In a Softwarized Modem, IEEE Transactions on Vehicular Technology, 2025.

• S. Lee, J. Joung, J. Choi and J. Kim, Data-Aided Channel-Gain Calibration Algorithm for Recovering Channel Amplitude Reciprocity in SFLC-OFDM Systems, IEEE Access, Mar. 2025.

• D. Lim, S. Jeong, B. Kim, Y. Lee, H. J. Shin and J. Kim, Field Evaluation of a Softwarized Modem from the Perspective of 5G Cell Search, IEEE Transactions on Mobile Computing, Jun. 2025.

• J. Kim, S. Kwon, J. Han, T. Lee and O. Jo, Design and Implementation of a Light-Weight Channel Vector Classifier Based on Support Vector Machine for Real-Time 5G Beam Index Detection, IEEE Transactions on Mobile Computing, Apr. 2025.

• Y. Kim, S. Han, J. Joung, J. Kim, J. Zhao, J. Choi, Enhanced Multiuser Space-Time Line Code for Downlink Multiple Antenna Transmission, IEEE Transactions on Communications, 2025.

• B. Kim, S. Kang, Y. T. Song, S. Lee, T. Lee, J. Kim, O. Jo and S. W. Choi, On the Intelligentization of Softwarized Modem: From Algorithmic Design to Realization of Real-Time Channel-Learning Random Access, IEEE Internet of Things Journal, Dec. 2024.

• W. Min, S. Kang, J. Kim and O. Jo, On the Design of a Light-weight Deep Learning Framework for Embedding in 5G Software Modem, IEEE Access, Oct. 2024.

• B. Kim and J. Kim, Low-Complexity Design and Implementation of a Software-Defined 5G Energy Detector for Fast Initial Cell Selection, IEEE Access, Jun. 2024.

• J. Kim, D. Lim, I. Byun and K. Ko, Cross-link interference in the 5G cell search procedure: Observation and field experiments for mitigation, ICT Express, Jun. 2024.

• M. Jeong, S.-W. Choi and J. Kim, On the Design of an OFDMA-Based Software-Defined Modem: A CFO Estimation Perspective, ICT Express, Oct. 2023.

• S. Kim, H.-G. Lee, S. Lee, J. Kim, J. Joung and J. Kim, Single-User SFLC-OFDM System Realization Based on Channel Reciprocity Recovery, IEEE Access, Oct. 2023.

• S. Kang, T. Lee, J. Kim, A-R.-S.- Lee, J. Kim and O. Jo, Intelligent Index Classification Method Based on Machine Learning for Detection of Reference Signal in 5G Networks, IEEE Access, vol. 11, pp. 100810-100822, Sep. 2023.

• S. Jeong, and J. Kim, Design and Implementation of an Efficient Wake-Up Synchronization Scheme Based on History in a 5G Software Modem, IEEE Access, vol. 11, pp. 34397-34406, Apr. 2023.

• J.-Y. Han, O. Jo and J. Kim, Exploitation of Channel-Learning for Enhancing 5G Blind Beam Index Detection, IEEE Transactions on Vehicular Technology, vol. 71, no. 3, pp. 2925-2938, Mar. 2022.

• J. Park and J. Kim, An Implementation Design of Unified Protocol Architecture for Physical Layer of LoRaWAN End-Nodes, MDPI Electronics, vol. 10, no. 2550, pp. 1-24, Oct. 2021.

• J. Byun, Y.-H. Cho, T. Im, H.-L. Ko, K. Shin, J. Kim and O. Jo, Iterative Learning for Reliable Link Adaptation in the Internet of Underwater Things, IEEE Access, vol.9, pp. 30408-30416, Feb. 2021.

• O. Jo, J. Kim and K.H. Hwang, Exploiting Self-Reserving Spectrum to Reduce Service Dropping Probability in Cognitive Radio Systems, IEICE Transactions on Fundamentals of Electronics, vol. E102-A, No.4, pp. 697-701, Apr. 2019.

• S. W. Choi, Y.-S. Song, W.-Y. Shin and J. Kim, A Feasibility Study on the Mission Critical Push To Talk: Standards and Implementation Perspectives, IEEE Communications Magazine, vol.57, no.2, pp.81-87, Feb. 2019.

• J. Kim, O. Ho and S. W. Choi, Feasibility of Index-Coded Retransmissions for Improving the Channel Efficiency of V2X Sidelink Communications, IEEE Access, vol. 7, pp.6545-6552, Jan. 2019.

• J. Kim, O. Jo and S. W. Choi, A State-Based Uplink Scheduling Scheme for Reducing Control Plane Latency of MCPTT Services, IEEE Systems Journal, vol.13, no.3, pp. 2547-2550, Sep. 2019.

• S. W. Choi, W. Y. Shin and J. Kim, Linear Algebraic Beamforming Design for Multiuser MISO Interference Channels: A Reduction in Search Space Dimension, MDPI Entropy, vol.20, no.431, pp.1-11, Jun. 2018.

• E. Song, J. Kim and J. Kim, A Passive Equalizer Optimization Method based on Time-domain Inter-symbol Interference (ISI) Cancellation Technique, IEEE Transactions on Electromagnetic Compatibility, vol.60, no.3, pp.807-810, Jun 2018.

• O. Jo, Y.- K. Kim and J. Kim, Internet of Things for Smart Railway: Feasibility and Applications, IEEE Internet of Journal, vol.5, no.2, pp.482.490, Apr. 2018.

• H. Kim, J. Kim, S. W. Choi and W. Y. Shin, Revisiting Degrees of Freedom of Full-Duplex System with Opportunistic Transmission: An Improved User Scaling Law, MDPI Entropy, vol.20, no.160, pp.1-15, Mar. 2018.

• S. W. Choi and J. Kim, A Convex Approach to Near-Optimal Beamforming Designs for Two-User MISO Fading Interference Channels, IEEE Transactions on Communications, vol.65, no.7, pp.3110-3122, Apr. 2017.

• W. Lee, J. Kim and S. W. Choi, New D2D Peer Discovery Scheme based on Spatial Correlation of Wireless Channel, IEEE Transactions on Vehicular Technology, vol.65, no.12, pp.10120-10125, Dec. 2016.

• S. W. Jeon, S. W. Choi, J. Kim and W. Y. Shin, Cellular-Aided Device-to-Device Communication: The Benefit of Physical Layer Network Coding, IEEE Communications Letters, vol.20, no.11, pp.2324-2327, Aug. 2016.

• V. Mai, J. Kim, S. W. Jeon, S. W. Choi, B. J. Seo and W. Y. Shin, Degree of Freedom of Millimeter Wave Full-Duplex Systems With Partial CSIT, IEEE Communications Letters, vol.20, no.5, pp.1042-1045, May 2016.

• J. Kim, S. W. Choi, W. Y. Shin, Y.-S. Song and Y.-K. Kim, Group Communication Over LTE : A Radio Access Perspective, IEEE Communications Magazine, vol.54, no.4, pp.16-23, Apr. 2016.

• Y.-S. Song, J. Kim, S. W. Choi, Y.-K. Kim, Long Term Evolution for Wireless Railway Communications:Testbed Deployment and Performance Evaluation, IEEE Communications Magazine, vol.54, no.2, pp.138-145, Feb. 2016.

• W. Lee, J. Kim and D.H. Cho, Autonomous Peer Discovery Scheme for D2D Communications Based on Spatial Correlation of Wireless Channel, IEICE Transactions on Communications, E99.B, pp.224-231, Jan. 2016.

• J. Kim, S. W. Choi, Y.-S. Song, Y.-K. Yoon and Y.-K. Kim, Automatic Train Control over LTE: Design and Performance Evaluation, IEEE Communications Magazine, vol.53, no.10, pp.102-109, Oct. 2015.

• J. Kim and D.H. Cho, A Joint Power and Subchannel Allocation Schemes Maximizing System Capacity in Indoor Dense Mobile Communication Systems, IEEE Transactions on Vehicular Technology, vol.59, no.9, pp.4340-4353, Nov. 2010.

• J. Kim and D.H. Cho, Simultaneous Transmission of MAP IE and Data for Minimizing MAC Overhead in the IEEE 802.16e OFDMA Systems, IEEE Transactions on Wireless Communications, vol.8, no.11, pp.5431-5435, Nov. 2009.

• J. Kim, T. Kwon and D.H. Cho, Resource Allocation Scheme for Minimizing Power Consumption in OFDM Multicast Systems, IEEE Communications Letters, vol.11, no.6, pp.486-488, Jun. 2007.

• T. Kwon, S.H. Cho, H. Lee, S. Choi, J. Kim, W.H. Park, S.B. Yoon, D.H.Cho and K.H. Kim, Design and Implementation of Simulator based on Cross-Layer Protocol between MAC and PHY Layers in WiBro Compatible 802.16e OFDMA System, IEEE Communications Magazine, vol.43, no.12, pp.136-146, Dec. 2005.

Domestic Journal

• 이예란, 김주엽, “LTE 및 5G 시스템에서 간섭에 강인한 2차 동기신호 검출을 위한 적응적 채널 보상 기법,” 한국통신학회논문지, 2025.

• 여유진, 김주엽, “이종망 간섭에 강인한 Subcarrier-clearing 기반 LTE 주파수 오프셋 추정 기법 연구,” 한국통신학회논문지, 제50권, 제2호, pp. 341-356, Feb. 2025.

• 신혜진, 김소희, 김주엽, “5G PRS 기반 직교 위상 도달 기반 측위 기법 설계 및 성능 분석,” 한국통신학회논문지, 제50권, 제1호, pp. 170-184, Jan. 2025.

• 이송민, 김주엽, “SFLC-OFDM 시스템에서 채널 진폭 비대칭성 보상을 위한 데이터 기반 위상 회전 추정 기법,” 한국통신학회논문지, 제49권, 제11호, pp. 1534-1546, Nov. 2024.

• 김수빈, 이한결, 이송민, 김재홍, 김주엽, 정진곤, “소프트웨어 모뎀 시공간 선 부호화 시스템의 채널 대칭성을 위한 CFO, STO, SCO 추정, 보상 기법,” 한국통신학회논문지, 제47권, 제9호, pp. 1381-1397, Sept. 2022.

• 김혜원, 김주엽, "5G 단말 소프트웨어 모뎀의 셀 탐색 구현을 위한 Finite State Machine 기반 프로토콜 소프트웨어 구조 설계," 한국통신학회논문지, 제46권, 제10호, pp.1698-1708, Oct. 2021.

International/Domestic Conferences

• H. Shin, D. Lim and J. Kim, Enhancement of 5G Beam Index Detection Scheme in an Interference Environment , KICS Winter Conference 2023, Feb. 2023.

• Y. Lee, D. Lim and J. Kim, Adaptive Equalization Technique for Effective SSS Detection in Interference Channel Environments, KICS Winter Conference 2023, Feb. 2023.

• K. Park and J. Kim, Performance Evaluation of Deep Learning Based PRACH Energy Detection via Input Length of Power Delay Profile, KICS Winter Conference 2023, Feb. 2023.

• Y. Yeo and J. Kim, An Enhanced Carrier Frequency Offset Estimation Scheme Robust to Interference in LTE system, KICS Winter Conference 2023, Feb. 2023.

• D. Lim and J. Kim, An Enhanced Beam Index Detection Scheme Robust to Timing Offset in a 5G Software Modem, ICEIC 2023, Feb. 2023.

• S. Min, D. Lim and J. Kim, n Enhanced PSS Detection Scheme Robust to Cross-link Interference in 5G TDD Systems, KICS Summer Conference 2022, Jun. 2022.

• S.M. Lee, S.B. Kim, J. Joung and J. Kim, A Performance Analysis of Space-Time Line Code System in a Channel Non-Reciprocity Environment, KICS Summer Conference 2022. Jun. 2022.

• S.B. Kim, S.M. Lee and J. Kim, Encoding Symbol Design and AGC Method for Efficient STLC-OFDM, JCCI 2022, Apr. 2022.

• M. Bang, B. Kim and J. Kim, Software-Defined Processing of PRACH detection for 5G system, JCCI 2022, Apr. 2022.

• J. Kim, J. Joung, J. Choi and J. Kim Intelligent Reflecting Surface for M-by-Nr Space–Time Line Coded Systems, ICEIC 2022. Feb. 2022.

• S. Kim, S. M. Lee, J. Joung and J. Kim, A Carrier Frequency Offset Compensation Scheme Realizing Channel Symmetricity for Space-Time Line Code Systems, KICS Fall Conference 2021, Nov. 2021.

• E. Ko and J. Kim, Effect of Carrier Frequency Offset on the Performance of MISO STBC-OFDM System Based on Software Modem, KICS Fall Conference 2021, Nov. 2021.

• J. Yoo, S. Kim, J. Joung and J. Kim, Software Modem-Based Design of Time-Division Duplexing Feedback Channel for Space-Time Line Code Transceiver , IEIE Summer Conference 2021, Jun. 2021.

• S. Kim, J. Yoo and J. Kim, Analysis of the effect of reception performance due to frequency offset estimation error in MISO STBC-OFDM system based on Software Modem, IEIE Summer Conference 2021, Jun. 2021.

• D. Lim and J. Kim, A Low-Complexity Multiple Beam Detection Scheme Based on Windowing in 5G Software Modem, KICS Winter Conference 2021, Feb. 2021.

• J. Kim and L. Lim, How Cross-Link Interference Can Affect to PSS Detection in 5G TDD System, KICS Summer Conference 2021, Jun. 2021.

• H. W. Kim, J. Y. Han, B. Kim, S. B. Jeong and J. Kim, RSSI Sniffing Technique to Reduce Cell Search Time in Software-Defined Radio Based 5G Modem, KICS Winter Conference 2021, Feb. 2021.

• J. Kim, Commercializing Software Defined User Equipment for Beyond 5G Systems, The 12th International Conference on ICT Convergence, Oct 2021.

• J. W. Kim, J. H. Lee, S. B. Jeong and J. Kim, Implementation for MISO STBC-OFDM Communication System Based on Software-Defined Radio, KICS Fall Conference 2020, Nov. 2020.

• D. Lim and J. Kim, SDR-Based Performance Evaluation of the PSS Detection Schemes in LTE Cells, KICS Fall Conference 2020, Nov. 2020. (Best Paper Award)

• H. W. Kim an J. Kim, Efficient Synchronization Protocol Design for SDR-Based 5G Modem Development, KICS Summer Conference 2020, Aug. 2020.

• J. W. Kim, J. H. Lee, S. B. Jeong and J. Kim, Algorithm Implementation for LTE OFDM Receiver Based on Software-Defined Radio, KICS Summer Conference 2020, Aug. 2020.

• B. Kim and J. Kim, Enhanced SSB Search Scheme for 5G PSS Detection Based on Software-Defined Radio, KICS Summer Conference 2020, Aug. 2020.

• J. Y. Han and J. Kim, Software-Defined Processing of Blind Detection for Demodulation Reference Signal in Physical Broadcast Channel of the 5G System, KICS Winter Conference 2020, Feb. 2020. 

• B. Kim, J. Y. Han and J. Kim, Low Complexity FFT Algorithm for Software-Defined LTE/5G OFDM Symbol Processing, KICS Fall Conference 2019, Nov. 2019. (Best Paper Award)

• H. W. Kim and J. Kim, A Low-Complexity Software Algorithm for LTE Secondary Synchronization Signal Detection Based on SIMD, KICS Summer Conference 2019, Jun. 2019.

• J. Kim and S. W. Choi, Study of the Performance Requirement of Mouth-to-Ear Latency and the Feasibility of LTE-Based Public Safety Group Communication Services, KICS Summer Conference 2018, Jun. 2018.

Standardized and Commercial Patents

• KRRI, Addition of one parameter regarding off-network group call announcement, 3GPP SA6#6, S6-150834, Sep. 2015.

• KRRI, SK Telecom, and Innovative Technology Lab Co., Additional information elements in floor control messages – off-network case, 3GPP SA6#6, S6-150955, Sep. 2015.

• Samsung Electronics, Quick Rollback to LTE (Apparatus and Method for Switching Radio Access Technology in Wireless Communication System).

Awards

• Best Paper Award (2025 최우수논문상, Subcarrier-Clearing Based Carrier Frequency Offset Estimation Scheme Robust to Heterogeneous Network Interference), JKICS.

• Best Paper Award (2025.02 우수논문, Subcarrier-Clearing Based Carrier Frequency Offset Estimation Scheme Robust to Heterogeneous Network Interference), JKICS 2025.

• Best Paper Award (2024.11 우수논문, A Data-Aided Phase Rotation Estimation Scheme for Recovering Channel Amplitude Asymmetry in SFLC-OFDM Systems), JKICS 2024.

• Best Paper Award (우수논문상, Software-Defined Processing of PRACH Detection for 5G System), JCCI 2022.

• Best Paper Award (Bronze Prize, Intelligent Reflecting Surface for M-by-Nr Space–Time Line Coded Systems), ICEIC 2022.

• Best Paper Award (장려상, A Carrier Frequency Offset Compensation Scheme Realizing Channel Symmetricity for Space-Time Line Code Systems), KICS Fall Conference 2021

• Best Paper Award (장려상, A Low-Complexity Multiple Beam Detection Scheme Based on Windowing in 5G Software Modem), KICS Winter Conference 2021.

• Best Paper Award (Software-Defined Processing of Blind Detection for Demodulation Reference Signal in Physical Broadcast Channel of the 5G System), KICS Winter Conference 2020.

• Best Paper Award (장려상, Low Complexity FFT Algorithm for Software-Defined LTE/5G OFDM Symbol Processing), KICS Fall Conference 2019.