Current Research Interests

- Artificial Intelligence (AI)/Machine Learning (ML) for NR air interface

- Extremely Large-Scale MIMO, Ultra-Massive MIMO, and Near-Field Communications 

- Sparsity (or Low Rank)-Cognizant Signal Processing and Machine Learning for High-Dimensional Data

Publications Google Scholar

[Submitted / Under revision]

[Published / To appear]

[C16] J. Kim, Junho Lee, Y. Choi, "Learning-Based Universal Linear MIMO Precoder for Finite-Alphabet Inputs," IEEE Vehicular Technology Conference (VTC), June 2024.

[C15] Junho Lee, J. Kim, Y. Choi, "Learning Variable-Rate CSI Compression with Multi-Stage Vector Quantization," IEEE International Conference on Communications (ICC), June 2024.

[C14] Y. Kim, Junho Lee, J. Kim, H. Joo, H. W. Je, and J. Lee, "Channel State Feedback with Neural Netwokrs: A Discrete Representation Learning Approach," IEEE Global Communications Conference (GLOBECOM) Workshop, Dec. 2022.

[C13] F. Penna, H. Kwon, D. Bai, J. H. Bae, J. Kim, Junho Lee, and H. W. Je, "A Wideband Capacity Maximization Approach for CSI Feedback in Frequency Selective Channels," IEEE Global Communications Conference (GLOBECOM), Dec. 2022.

[C12] Junho Lee, H. W. Je, I. Kim, and M. G. Kim, “High-Resolution Hierarchical Beam Alignment with Segmented Beams," IEEE Global Communications Conference (GLOBECOM), Dec. 2019.

[C11] Junho Lee, M. Kang, J. Oh, and Yong H. Lee, "Space-Time Alignment for Channel Estimation in Millimeter Wave Communications with Beam Sweeping," IEEE Global Communications Conference (GLOBECOM), Dec. 2017.

[J5] Junho Lee, J. Y. Lee, and Yong H. Lee, "Spatial Multiplexing of OFDM Signals with QPSK Modulation over ESPAR," IEEE Transactions on Vehicular Technology, June 2017. 

[C10] H. Kim, Junho Lee, and Yong H. Lee, "Maximum a Posteriori OMP Detection for Generalized Space Shift Keying," IEEE Global Communications Conference (GLOBECOM), Dec. 2016.

[J4] Junho Lee, G.-T. Gil, and Yong H. Lee, "Channel Estimation via Orthogonal Matching Pursuit for Hybrid MIMO Systems in Millimeter Wave Communications," IEEE Transactions on Communications, June 2016.

[C9] H. Eghbali, A. E. Shafie, Junho Lee, S. Muhaidat, and Naofal Al-Dhahir, "MMSE Sparse Beamforming for Power-Constrained Large Two-Way Relay AF Networks," IEEE International Symposium on Signal Processing and Information Technology, Dec. 2015. 

[C8] M. Kim, Junho Lee, and Yong H. Lee, "Channel Estimation via Oblique Matching Pursuit for FDD Massive MIMO Downlink," IEEE International Conference on Communications (ICC) Workshop, June 2015.

[C7] Junho Lee, G.-T. Gil, and Yong H. Lee, "Exploiting Spatial Sparsity for Estimating Channels of Hybrid MIMO Systems in Millimeter Wave Communications," IEEE Global Communications Conference (GLOBECOM), Dec. 2014. 

[C6] Junho Lee and Yong H. Lee, "AF Relaying for Millimeter Wave Communication Systems with Hybrid RF/Baseband MIMO Processing," IEEE International Conference on Communications (ICC), June 2014. 

[J3] Junho Lee and Naofal Al-Dhahir, "Exploiting Sparsity for Multiple Relay Selection with Relay Gain Control in Large AF Networks," IEEE Wireless Communications Letters, June 2013.

[J2] Junho Lee and Seung-Hwan Lee, "Low Dimensional Multiuser Detection Exploiting Low User Activity," IEEE/KICS Journal of Communications and Networks, June 2013.

[J1] Y. Shin, S. Lee, Junho Lee, and Heung-No Lee, "Sparse Representation-Based Classification Scheme for Motor Imagery-Based Brain-Computer Interface Systems," Journal of Neural Engineering, Oct. 2012.

[C5] Junho Lee and Seung-Hwan Lee, "A Compressed Analog Feedback Strategy for Spatially Correlated Massive MIMO Systems," IEEE Vehicular Technology Conference (VTC), Sep. 2012. 

[C4] Junho Lee and Seung-Hwan Lee, "Reliable Data Aided Sparsity-Aware Approaches to Clipping Noise Estimation in OFDM Systems," IEEE Vehicular Technology Conference (VTC), Sep. 2012.

[C3] Junho Lee and Seung-Hwan Lee, "Multiuser Detection for Large-Scale Multiple Antenna Systems with Low User Activity: An Application of Compressed Sensing," International Conference on Electronics, Information, and Communications, Feb. 2012. 

[C2] Junho Lee and Seung-Hwan Lee, "Multiuser MIMO Beamforming for Guaranteeing Cell-Edge Performance with Other Cell Interference," International Technical Conference on Circuits/Systems, Computers, and Communications, June 2011.

[C1] S. Park, Junho Lee, and Heung-No Lee, "Per-Sensor Measurement Behavior of Compressive Sensing Systems for Mutiple Measurements," Asilomar Conference on Signals, Systems, and Computers, Nov. 2010. 

Ph.D. Dissertation "Channel Estimation for Hybrid MIMO Systems in Millimeter Wave Communications," Feb. 2017.

M.S. Thesis "Sparsity-Aware Approaches to Wireless Communications," Feb. 2013.