ABOUT US 

At SIC-X Lab, we design signal processing and learning algorithms that remain near-optimal when resources are fundamentally limited, from quantization bits, computation, and capacity to pilots and observable information. Grounded in optimization and estimation theory, our work spans MIMO, integrated sensing and communications, terrestrial–non-terrestrial networks, and cell-free systems. We bring the same principles to AI, building learning frameworks that are communication-efficient, low-bit, and robust for next-generation wireless systems.

Related Courses: Linear Algebra, Probability and Stochastic Processes, Signal and Systems, Communication Theory, Wireless Communications, Information Theory, Estimation Theory, Algorithm, Optimization, and Machine Learning

 NEWS 

[Aug. 2026] Welcome! Donghyeon Nam and Woosub Kwon have joined SIC-X LAB as a MS student

[Aug. 2026] Congratulations! Mintaek Oh and Jaehyun Kim have earned Ph.D. degree and M.S. degree, respectively

[Aug. 2026] Congratulations! Our paper (1st: Mintaek Oh), "Scalable Beamforming Design for Multi-RIS-Aided MU-MIMO Systems with Imperfect CSIT," has been accepted to IEEE TWC

[Aug. 2026] Congratulations! Our paper (1st: Mingyu Park), "Peak Isolation and Compressive Recovery: A CS-Based PAPR Reduction Framework for OFDM," has been accepted to IEEE Globecom 2027

[Jun. 2026] Congratulations! Our paper (1st: Mintaek Oh), "Hybrid Precoding Revisited: Low-Dimensional Subspace Perspective for MU-MIMO Systems," has been accepted to IEEE TVT

[Jun. 2026] Congratulations! Our paper (1st: Junwon Lee), "Low-Earth Orbit Satellite Network Analysis with Random LOS and NLOS Channels," has been accepted to IEEE TVT

[May 2026] Congratulations! Our paper (1st: Seunghyeong Yoo, Jaehyun Kim), "Full-Duplex MU-MIMO Systems with Coarse Quantization: How Many Bits Do We Need?," has been accepted to IEEE TCOM

[Apr. 2026] Congratulations! Our paper (1st: Jiwon Sung), "Power-Constrained and Quantized MIMO-RSMA Systems with Imperfect CSIT: Joint Precoding, Antenna Selection, and Power Control," has been accepted to IEEE TWC

[Apr. 2026] Congratulations! Our paper (1st: Jun Kang), "Channel Estimation for One-Bit Quantized MIMO Systems: Dithering-Aided Approach," has been accepted to IEEE WCL

[Feb. 2026] Congratulations! Jiwon Sung and Chanho Moon have earned their M.S. degrees

[Feb. 2026] Congratulations! Prof. Choi has won the KAIST 2025 Future-Leading Technology Research Achievement Award

[Feb. 2026] Congratulations! Prof. Choi has won the KAIST 2025 Best Lecture Award

[Dec. 2025] Congratulations! Seokjun Park's in ITRC project research team has been selected as an Outstanding Creative Autonomous Project Team, ITRC

[Dec. 2025] Congratulations! Sungyu Kim, has won the Graduate Excellence Scholarship in Science and Engineering from Korea Student Aid Foundation (KOSAF) 한국장학재단 - 석사우수장학금(이공계).

[Nov. 2025] Congratulations! Our paper (1st: Mintaek Oh), "Generalized Power Iteration-based Precoding with Low-Complexity Matrix Inversion Approaches for Massive MIMO Systems," has been accepted to IEEE TVT

[Sep. 2025] Congratulations! Our paper (1st: Soomin Bae), "Joint Secure Max-Min Fairness Precoding and Antenna Selection under Coarse Quantization," has been accepted to IEEE TVT

[Sep. 2025] Jiwon Sung, has joined Prof. David J. Love's lab. in Purdue University as a visiting student.

[Sep. 2025] Congratulations! Our paper (1st: Jiwon Sung), "A New Interpretation of the Time-Interleaved ADC Mismatch Problem: A Tracking-Based Hybrid Calibration Approach," has been accepted to IEEE SPL

[Sep. 2025] Welcome! Soomin Bae and Jinho Han have joined SIC-X LAB as a MS student.

[Sep. 2025] Congratulations! Seokjun Park, has been selected as IPESK Next-generation Engineering Researcher (IPESK차세대 공학(연구)자) from the Institute for Promotion of Engineering and Science of Korea (IPESK)

[Jul. 2025] Congratulations! Seokjun Park, has won the Presidential Science Scholarship from the Korea Student Aid Foundation