S2. Space-Time Beamforming for Uplink Direct-to-Cell Connectivity in Dense LEO Satellite Networks
J. Yim, J. Choi, and N. Lee
IEEE Military Commun. Conf. (MILCOM) (submitted)

S1. Sum-Rate Maximization for Wideband OFDM Massive MIMO: a Scalable GPIP Method
J. Kim, J. Choi, H. Kim, and N. Lee
IEEE Global Conf. on Commun. (GLOBECOM) (submitted)

C33. Joint Optimization for Power-Constrained MIMO Systems: Is Low-Resolution DAC Still Optimal?
J. Sung, S. Park, and J. Choi
IEEE Vehicular Technology Conference (accepted)

C32. Beamforming Optimization for Integrated Sensing and Communication Systems with SCNR Consideration
E. Choi, S. Park, J. Choi, J. Park, and N. Lee
IEEE WiOpt Workshops on Integrated Sensing and Communications

C31. Wholistic Design of Underwater OFDM Simulator: From Resource Element Selection to Symbol Decoding
J. Park, C. Jung, T. Ha, J. Park, M. Oh, and J. Choi
ICTC, Oct. 16-18, Jeju Island, Korea

C30. Wideband Channel Tracking with Quantization Distortion
M. Oh, J. Choi, S. Kim, and J. Park
ICTC, Oct. 16-18, Jeju Island, Korea

C29. Stochastic Geometry-Based Coverage Analysis of Satellite Networks with Shadowing and Beam Gain Considerations
J. Lee and J. Choi
ICTC, Oct. 16-18, Jeju Island, Korea

C28. Max-Min Fairness Precoding with Low Resolution DACs
S. Bae, S. Lee, S. Yoo, and J. Choi
ICTC, Oct. 16-18, Jeju Island, Korea

C27. Joint Precoding and Antenna Selection for Sum Spectral Efficiency Maximization (Best Paper Award)
S. Bae and J. Choi
ICTC, Oct. 16-18, Jeju Island, Korea

C26. FDD Massive MIMO: How to Optimally Combine UL Pilot and Limited DL CSI Feedback?
J. Kim, J. Choi, J. Park, A. Alkhateeb, and N. Lee
IEEE Global Conf. on Commun. (GLOBECOM), Dec. 8–12, 2024, Cape Town, South Africa

C25. Maximizing Energy and Spectral Efficiency Tradeoff in MIMO-RSMA Systems under Coarse Quantization
S. Park, J. Sung, J. Choi, J. Park, and W. Shin
European Signal Processing Conference (EUSIPCO), Aug. 26-30, 2024, Lyon, France

C24. Rate-Splitting Multiple Access Precoding Optimization for MIMO Communications under Coarse Quantization
S. Park, J. Choi, J. Park, W. Shin, and B. Clerckx
IEEE Int. Conf. on Commun. (ICC), 9-14 June 2024, Denver, CO, USA 

C23. Max-Min Fairness Precoding for Enhanced Security with Partial Channel Knowledge
S. Lee, E. Choi, and J. Choi
ICTC, 2023, Jeju Island, Korea

C22. Downlink Satellite Network Analysis with Beam Gain in Shadowing Channel
S. Kim, S. Yoo, and J. Choi
ICTC, 2023, Jeju Island, Korea

C21. OFDM Simulator for Underwater Acoustic Communications
S. Kim, J. Park, M. Oh, and J. Choi
ICTC, 2023, Jeju Island, Korea

C20. A Survey on Statistical Channel Modeling for Underwater Acoustic Communications
M. Oh, J. Choi, S. Yoo, S. Kim, S. Kim, and J. Park
ICTC, 2023, Jeju Island, Korea

C19. Joint and Simultaneous Optimization of Artificial Noise-aided Precoding for Secure Communications
E. Choi, M. Oh, J. Choi, J. Park , N. Lee, and N. Al-Dhahir
IEEE Global Conf. on Commun. (GLOBECOM), 2023, Kuala Lumpur, Malaysia

C18. Joint Precoding and Combining for Quantized Full-Duplex MU-MIMO Systems
S. Yoo, S. Park, and J. Choi
IEEE Veh. Technol. Conf. Workshop (VTC), 2023, Florence, Italy [Xplore]

C17. Rate-Splitting Multiple Access Precoding for Selective Security
S. Lee, S. Park, J. Park, and J. Choi
IEEE Veh. Technol. Conf. Workshop (VTC), 2023, Florence, Italy [Xplore]

C16. Coverage Analysis for Downlink Satellite Networks: Effect of Shadowing
J. Choi, J. Park, J. Lee, and N. Lee
IEEE Int. Conf. on Commun. (ICC), 28 May–01 June 2023, Rome, Italy [Xplore]

C15. Secure Internet-of-Things Communications: Joint Precoding and Power Control
M. Oh, J. Park, and J. Choi
IEEE Int. Conf. on Commun. (ICC), 16–20 May 2022, Seoul, South Korea [Xplore]

C14. Coordinated Beamforming in Quantized Massive MIMO Systems with Per-Antenna Constraints
Y. Cho, J. Choi, and B. L. Evans
IEEE Wireless Commun. and Networking Conf. (WCNC), 10–13 Apr. 2022, Austin, TX, USA [Xplore]

C13. Energy-Efficient Precoding for Massive MIMO Systems with Low-Resolution Quantizers
M. Oh, J. Park, N. Lee, and J. Choi
IEEE Wireless Commun. and Networking Conf. (WCNC),10–13 Apr. 2022, Austin, TX, USA [Xplore]

C12. Block Orthogonal Sparse Superposition Codes
J. Park, J. Choi, W. Shin, and N. Lee
IEEE Global Commun. Conf. (GLOBECOM),  7-11 Dec. 2021, Madrid, Spain [Xplore]

C11. Hierarchical Information Accessibility in Downlink MIMO Systems
K. Lee, J. Choi, D. K. Kim, J. Park
IEEE Global Commun. Conf. (GLOBECOM), 7-11 Dec. 2021, Madrid, Spain [Xplore]

C10. Coordinated Multicell Beamforming and Power Allocation for Massive MIMO with low-resolution ADC/DAC
Y. Choi, J. Choi, and B. L. Evans,
IEEE Int. Conf. on Commun. (ICC), 14-23 Jun. 2021, Montreal [Xplore]

C9. Sum Spectral Efficiency Optimization for Rate Splitting in Downlink MU-MISO: A Generalized Power Iteration Approach
J. Park, J. Choi, N. Lee, W. Shin, and H. V. Poor
IEEE Wireless Commun. and Networking Conf. (WCNC) Workshops, 29 Mar-1 Apr. 2021, Nanjing, China [Xplore]

C8. Robust Learning-Based ML Detection for Massive MIMO Systems with One-Bit Quantized Signals
J. Choi, Y. Cho, B. L. Evans, and A. Gatherer
IEEE Global Commun. Conf. (GLOBECOM) Dec. 9-13, 2019, Waikoloa, HI, USA [Xplore] [Link]

C7. A Hybrid Beamforming Receiver with Two-Stage Analog Combiner and Low-Resolution ADCs
J. Choi, G. Lee, and B. L. Evans,
IEEE Int. Conf. on Commun. (ICC), 2019,  Shanghai, China [Xplore] [Link]

C6. Antenna Selection for Large-Scale MIMO Systems with Low-Resolution ADCs
J. Choi, J. Sung, B. L. Evans, and A. Gatherer
IEEE Int. Conf. on Acoustics, Speech, and Signal Process. (ICASSP), Apr. 15-20, 2018, Calgary, Alberta, Canada [Xplore] [Link]

C5. Narrowband Channel Estimation for Hybrid Beamforming Millimeter Wave Communication Systems with One-bit Quantization
J. Sung, J. Choi, and B. L. Evans
IEEE Int. Conf. on Acoustics, Speech, and Signal Process. (ICASSP), Apr. 15-20, 2018, Calgary, Alberta, Canada [Xplore] [Link]

C4. User Scheduling for Millimeter Wave MIMO Communications with Low-Resolution ADCs
J. Choi, and B. L. Evans
IEEE Int. Conf. on Commun. (ICC), May 20-24, 2018, Kansas City, MO, USA [Xplore] [Link]

C3. ADC Bit Optimization for Spectrum- and Energy-Efficient Millimeter Wave Communications
J. Choi, J. Sung, B. L. Evans, and A. Gatherer
IEEE Global Commun. Conf. (GLOBECOM), Dec. 4-8, 2017, Singapore [Xplore] [Link]

C2. ADC Bit Allocation under a Power Constraint for MmWave Massive MIMO Communication Receivers
J. Choi, B. L. Evans, and A. Gatherer
IEEE Int. Conf. on Acoustics, Speech and Signal Process. (ICASSP), Mar. 5-9, 2017, New Orleans, LA, USA [Xplore] [Link]

C1. Space-­Time Fronthaul Compression of Complex Baseband Uplink LTE Signals
J. Choi, B. L. Evans, and A. Gatherer
IEEE Int. Conf. on Commun. (ICC), May 23-27, 2016, Kuala Lumpur, Malaysia [Xplore] [Link]