Youngwook Ko

65 papers B 8Misc 4Journal 37Unranked 16
YearRankTypeTitle / Venue / Authors
2025 J jnl
Distributed Multi-Agent Reinforcement Learning for Heterogeneous NOMA-ALOHA Systems.
IEEE Trans. Cogn. Commun. Netw.
Xueyu Wu, Youngwook Ko, Andy M. Tyrrell
2024 B conf
Decentralized Multi-State Q-Learning for NOMA-ALOHA Systems.
PIMRC
Xueyu Wu, Youngwook Ko, Andy M. Tyrrell
2023 J jnl
Federated K-Means Clustering for Adaptive OFDM-IM.
IEEE Commun. Lett.
Xueyu Wu, Andy M. Tyrrell, Youngwook Ko
2023 — conf
Multichannel Relay assisted NOMA-ALOHA with Reinforcement Learning based Random Access.
VTC2023-Spring
Haeyoung Lee, Sunyoung Lee, Youngwook Ko
2022 — conf
On Asymmetric Game for NOMA-ALOHA under Fading.
VTC Spring
Jinho Choi, Youngwook Ko
2022 J jnl
Reinforcement Learning for NOMA-ALOHA Under Fading.
IEEE Trans. Commun.
Youngwook Ko, Jinho Choi
2021 J jnl
Deep Learning-Aided Multicarrier Systems.
IEEE Trans. Wirel. Commun.
Thien Van Luong, Youngwook Ko, Michail Matthaiou, Ngo Anh Vien, Minh-Tuan Le, Vu-Duc Ngo
2021 J jnl
Do gender equality and work-life balance matter for innovation performance?
Technol. Anal. Strateg. Manag.
Youngwook Ko, Hyesoo Ko, Yanghon Chung, Chungwon Woo
2021 J jnl
Editorial: Index Modulation for 6G Communications.
Frontiers Commun. Networks
Shuping Dang, Marco Di Renzo, Miaowen Wen, Marwa Chafii, Youngwook Ko, Bartolomeu F. Uchôa Filho, Abdelhamid Younis
2020 J jnl
Deep Energy Autoencoder for Noncoherent Multicarrier MU-SIMO Systems.
CoRR
Thien Van Luong, Youngwook Ko, Ngo Anh Vien, Michail Matthaiou, Hien Quoc Ngo
2020 J jnl
Deep Energy Autoencoder for Noncoherent Multicarrier MU-SIMO Systems.
IEEE Trans. Wirel. Commun.
Thien Van Luong, Youngwook Ko, Ngo Anh Vien, Michail Matthaiou, Hien Quoc Ngo
2020 — conf
Power-and-Index based Multiple Access for V2X Networks.
VTC Spring
Sunyoung Lee, Mehrdad Dianati, Youngwook Ko, Alexandros Mouzakitis
2019 J jnl
Deep Learning-Based Detector for OFDM-IM.
IEEE Wirel. Commun. Lett.
Thien Van Luong, Youngwook Ko, Ngo Anh Vien, Duy H. N. Nguyen, Michail Matthaiou
2019 J jnl
Unsupervised Machine Intelligence for Automation of Multi-Dimensional Modulation.
IEEE Commun. Lett.
Youngwook Ko, Jinho Choi
2018 J jnl
A Tight Upper Bound on Bit Error Rate of Joint OFDM and Multi-Carrier Index Keying.
CoRR
Youngwook Ko
2018 J jnl
Cooperative OFDM-IM Relay Networks With Partial Relay Selection Under Imperfect CSI.
IEEE Trans. Veh. Technol.
James Crawford, Youngwook Ko
2018 — conf
Generalized SER Analysis of OFDM Index Modulation for Vehicular D2D Environments.
ICTC
Eleftherios Chatziantoniou, Youngwook Ko
2018 J jnl
Impact of CSI Uncertainty on MCIK-OFDM: Tight Closed-Form Symbol Error Probability Analysis.
IEEE Trans. Veh. Technol.
Thien Van Luong, Youngwook Ko
2018 — conf
Impact of Opportunistic Transmission on MCIK-OFDM: Diversity and Coding Gains.
INISCOM
Thien Van Luong, Youngwook Ko
2018 — conf
Precoding for Spread OFDM IM.
VTC Spring
Thien Van Luong, Youngwook Ko, Jinho Choi
2018 J jnl
Repeated MCIK-OFDM With Enhanced Transmit Diversity Under CSI Uncertainty.
IEEE Trans. Wirel. Commun.
Thien Van Luong, Youngwook Ko, Jinho Choi
2018 J jnl
Security Optimization of Exposure Region-Based Beamforming With a Uniform Circular Array.
IEEE Trans. Commun.
Yuanrui Zhang, Roger F. Woods, Youngwook Ko, Alan Marshall, Junqing Zhang
2018 J jnl
Spread OFDM-IM With Precoding Matrix and Low-Complexity Detection Designs.
IEEE Trans. Veh. Technol.
Thien Van Luong, Youngwook Ko
2018 J jnl
TCM for OFDM-IM.
IEEE Wirel. Commun. Lett.
Jinho Choi, Youngwook Ko
2018 J jnl
The BER Analysis of MRC-Aided Greedy Detection for OFDM-IM in Presence of Uncertain CSI.
IEEE Wirel. Commun. Lett.
Thien Van Luong, Youngwook Ko
2017 J jnl
A Tight Bound on BER of MCIK-OFDM With Greedy Detection and Imperfect CSI.
IEEE Commun. Lett.
Thien Van Luong, Youngwook Ko
2017 — conf
A closed-form symbol error probability for MCIK-OFDM with frequency diversity.
SPAWC
Thien Van Luong, Youngwook Ko
2017 J jnl
Defining Spatial Secrecy Outage Probability for Exposure Region-Based Beamforming.
IEEE Trans. Wirel. Commun.
Yuanrui Zhang, Youngwook Ko, Roger F. Woods, Alan Marshall
2017 J jnl
On the SEP Analysis of OFDM Index Modulation With Hybrid Low Complexity Greedy Detection and Diversity Reception.
IEEE Trans. Veh. Technol.
James Crawford, Eleftherios Chatziantoniou, Youngwook Ko
2017 — conf
Partial relay selection and energy detection for MCIM based dual-hop multiple DF relay network.
SPAWC
James Crawford, Youngwook Ko
2017 J jnl
Secure Index and Data Symbol Modulation for OFDM-IM.
IEEE Access
Yonggu Lee, Hanseong Jo, Youngwook Ko, Jinho Choi
2016 B conf
A low complexity detector with MRC diversity reception for MCIK-OFDM.
PIMRC
Eleftherios Chatziantoniou, James Crawford, Youngwook Ko
2016 J jnl
Defining Spatial Security Outage Probability for Exposure Region Based Beamforming.
CoRR
Yuanrui Zhang, Youngwook Ko, Roger F. Woods, Alan Marshall
2016 J jnl
Multi-device selection scheduling in non-identically distributed fading channels.
IET Commun.
Youngwook Ko, Atta ul Quddus, Rahim Tafazolli
2016 Misc conf
On spatial security outage probability derivation of exposure region based beamforming with randomly located eavesdroppers.
ACSSC
Yuanrui Zhang, Youngwook Ko, Roger F. Woods, Alan Marshall, Joe Cavallaro, Kaipeng Li
2016 Misc conf
On spatial security outage probability derivation of exposure region based beamforming with randomly located eavesdroppers.
ACSSC
Yuanrui Zhang, Youngwook Ko, Roger F. Woods, Alan Marshall, Joe Cavallaro, Kaipeng Li
2016 J jnl
Performance Analysis of a Low-Complexity Detector for MCIK-OFDM Over TWDP Fading.
IEEE Commun. Lett.
Eleftherios Chatziantoniou, James Crawford, Youngwook Ko
2016 J jnl
Practical Spectrum Aggregation for Secondary Networks With Imperfect Sensing.
IEEE Trans. Veh. Technol.
Haeyoung Lee, Youngwook Ko, Seiamak Vahid, Klaus Moessner
2016 — conf
Selective multi-carrier index keying OFDM: Error propagation rate with moment generating function.
SPAWC
Youngwook Ko
2016 J jnl
Self-Organization in Mobile Networking Systems.
Mob. Inf. Syst.
Hyun-Ho Choi, Seok-Chul Kwon, Youngwook Ko, Jung-Ryun Lee
2015 — conf
Compressive sensing based detector for sparse signal modulation in precoded OFDM.
ICC
Jinho Choi, Youngwook Ko
2015 B conf
Low complexity greedy detection method with generalized multicarrier index keying OFDM.
PIMRC
James Crawford, Youngwook Ko
2015 — conf
Sparse multi-carrier index keying OFDM with index separation over correlated sub-carriers.
ICTC
Youngwook Ko, Jinho Choi
2014 J jnl
A Tight Upper Bound on Bit Error Rate of Joint OFDM and Multi-Carrier Index Keying.
IEEE Commun. Lett.
Youngwook Ko
2014 B conf
Creating secure wireless regions using configurable beamforming.
PIMRC
Yuanrui Zhang, Alan Marshall, Roger F. Woods, Youngwook Ko
2014 Misc conf
Investigation of secure wireless regions using configurable beamforming on WARP.
ACSSC
Yuanrui Zhang, Bei Yin, Roger F. Woods, Joseph R. Cavallaro, Alan Marshall, Youngwook Ko
2014 — conf
Opportunistic spectrum aggregation for cognitive communications under collision constraints.
CrownCom
Haeyoung Lee, Youngwook Ko, Seiamak Vahid, Klaus Moessner
2012 — conf
Interference management in heterogeneous wireless networks based on context information.
ISWCS
Adrian Kliks, Andreas Zalonis, Nikos Dimitriou, Jad Nasreddine, Fanghua Li, Youngwook Ko
2012 J jnl
Maximum Outage Capacity in Dense Indoor Femtocell Networks with Joint Energy and Spectrum Utilization.
IEEE Trans. Wirel. Commun.
Youngwook Ko, Klaus Moessner
2012 J jnl
Power Allocation Strategies across N Orthogonal Channels at Both Source and Relay.
IEEE Trans. Commun.
Youngwook Ko, Masoud Ardakani, Sergiy A. Vorobyov
2012 B conf
Selecting users in energy-efficient collaborative spectrum sensing.
WCNC
Davood M. Godarzi, Kamran Arshad, Youngwook Ko, Klaus Moessner
2011 B conf
A downlink power control scheme for interference avoidance in femtocells.
IWCMC
Talha Zahir, Kamran Arshad, Youngwook Ko, Klaus Moessner
2010 J jnl
How Much Multiuser Diversity is Required for Energy Limited Multiuser Systems?
CoRR
Youngwook Ko, Sergiy A. Vorobyov, Masoud Ardakani
2010 J jnl
How much multiuser diversity is required for energy limited multiuser systems?
IEEE Trans. Signal Process.
Youngwook Ko, Sergiy A. Vorobyov, Masoud Ardakani
2010 J jnl
Power Allocation Strategies across N Orthogonal Channels at Both Source and Relay
CoRR
Youngwook Ko, Masoud Ardakani, Sergiy A. Vorobyov
2010 — conf
Power allocation strategies across N orthogonal channels for singe-relay networks at both source and relay.
ICT
Youngwook Ko, Masoud Ardakani, Sergiy A. Vorobyov
2009 — conf
How Much Multiuser Diversity Gain is Required over Large-Scale Fading?
ICC
Youngwook Ko, Sergiy A. Vorobyov, Masoud Ardakani
2008 J jnl
Distributed closed-loop spatial multiplexing for uplink multiuser systems.
IEEE Trans. Wirel. Commun.
Youngwook Ko, Cihan Tepedelenlioglu
2008 J jnl
Threshold-Based Substream Selection for Closed-Loop Spatial Multiplexing.
IEEE Trans. Veh. Technol.
Youngwook Ko, Cihan Tepedelenlioglu
2007 J jnl
Comparison of adaptive beamforming and orthogonal STBC with outdated feedback.
IEEE Trans. Wirel. Commun.
Youngwook Ko, Qian Ma, Cihan Tepedelenlioglu
2007 Misc conf
Impact of the Number of users on Error Probabilities in Multiuser Diversity Systems.
CISS
Youngwook Ko, Cihan Tepedelenlioglu
2006 B conf
Distributed Spatial Multiplexing for Uplink Multiuser Systems.
GLOBECOM
Youngwook Ko, Cihan Tepedelenlioglu
2006 J jnl
Orthogonal space-time block coded rate-adaptive modulation with outdated feedback.
IEEE Trans. Wirel. Commun.
Youngwook Ko, Cihan Tepedelenlioglu
2005 B conf
Rate control using antenna selection for closed-loop spatial multiplexing.
GLOBECOM
Youngwook Ko, Cihan Tepedelenlioglu
2004 — conf
Optimal switching thresholds for space-time block coded rate-adaptive M-QAM.
ICASSP (4)
Youngwook Ko, Cihan Tepedelenlioglu