Combined Nyquist and Compressed Sampling Method for Radio Wave Data Compression of a Heterogeneous Network System. - Doohwan Lee; Takayuki Yamada; Hiroyuki Shiba; Yo Yamaguchi; Kazuhiro Uehara (IEICE Trans. Commun., 2010)

Signal separation and reconstruction method for simultaneously received multi-system signals in a unified wireless system. - Takayuki Yamada; Doohwan Lee; Hiroyuki Shiba; Yo Yamaguchi; Kazuhiro Uehara (CrownCom, 2011)

Sparse-matrix-based compressed sensing for spectrum sensing in Flexible Wireless System. - Doohwan Lee; Yoshiyuki Kabashima; Koujin Takeda; Takayuki Yamada; Kazunori Akabane; Kazuhiro Uehara (APCC, 2012)

1-bit compressed sensing with edge detection for compressed radio wave data transfer. - Takayuki Yamada; Doohwan Lee; Hideki Toshinaga; Kazunori Akabane; Yo Yamaguchi; Kazuhiro Uehara (APCC, 2012)

Spectrum Sensing for Networked System Using 1-Bit Compressed Sensing with Partial Random Circulant Measurement Matrices. - Doohwan Lee; Tatsuya Sasaki; Takayuki Yamada; Kazunori Akabane; Yo Yamaguchi; Kazuhiro Uehara (VTC Spring, 2012)

Signal Separation and Reconstruction Method for Simultaneously Received Multi-System Signals in Flexible Wireless System. - Takayuki Yamada; Doohwan Lee; Hiroyuki Shiba; Yo Yamaguchi; Kazunori Akabane; Kazuhiro Uehara (IEICE Trans. Commun., 2012)

A Practical channel modeling method for few-mode optical fiber communication systems. - Doohwan Lee; Kohki Shibahara; Tadao Nakagawa; Yutaka Miyamoto; Chitradeep Majumdar (APCC, 2015)

Packet Size Optimization for Cognitive Radio Sensor Networks Aided Internet of Things. - Chitradeep Majumdar; Doohwan Lee; Aaqib Ashfaq Patel; S. N. Merchant; Uday B. Desai (IEEE Access, 2017)

Packet-Size Optimization for Multiple-Input Multiple-Output Cognitive Radio Sensor Networks-Aided Internet of Things. - Chitradeep Majumdar; Doohwan Lee; Aaqib Ashfaq Patel; S. N. Merchant; Uday B. Desai (IEEE Access, 2017)

Orbital Angular Momentum (OAM) Multiplexing: An Enabler of a New Era of Wireless Communications. - Doohwan Lee; Hirofumi Sasaki; Hiroyuki Fukumoto; Ken Hiraga; Tadao Nakagawa (IEICE Trans. Commun., 2017)

Experiment on Over-100-Gbps Wireless Transmission with OAM-MIMO Multiplexing System in 28-GHz Band. - Hirofumi Sasaki; Doohwan Lee; Hiroyuki Fukumoto; Yasunori Yagi; Takana Kaho; Hiroyuki Shiba; Takashi Shimizu (GLOBECOM, 2018)

An Experimental Demonstration of 28 GHz Band Wireless OAM-MIMO (Orbital Angular Momentum Multi-Input and Multi-Output) Multiplexing. - Doohwan Lee; Hirofumi Sasaki; Hiroyuki Fukumoto; Yasunori Yagi; Takana Kaho; Hiroyuki Shiba; Takashi Shimizu (VTC Spring, 2018)

Field Experimental Demonstration on OAM-MIMO Wireless Transmission on 28 GHz Band. - Hirofumi Sasaki; Yasunori Yagi; Takayuki Yamada; Doohwan Lee (GLOBECOM Workshops, 2019)

200 Gbit/s Wireless Transmission Using Dual-Polarized OAM-MIMO Multiplexing on 28 GHz Band. - Yasunori Yagi; Hirofumi Sasaki; Takayuki Yamada; Doohwan Lee (GLOBECOM Workshops, 2019)

Hybrid OAM Multiplexing using Butler Matrices toward over 100 Gbit/s Wireless Transmission. - Hirofumi Sasaki; Yasunori Yagi; Takayuki Yamada; Tomoki Semoto; Doohwan Lee (GLOBECOM (Workshops), 2020)

Multipath and Receiver Aperture Effects in a THz Wireless Communications Link using OAM Multiplexing. - Xinzhou Su; Runzhou Zhang; Zhe Zhao 003; Hao Song 006; Amir Minoofar; Nanzhe Hu; Huibin Zhou; Kaiheng Zou; Kai Pang; Haoqian Song; Brittany Lynn; Shlomo Zach; et al. (GLOBECOM (Workshops), 2020)

An Experimental Demonstration of over 100 Gbit/s OAM Multiplexing Transmission at a Distance of 100 m on 40 GHz Band. - Hirofumi Sasaki; Yasunori Yagi; Takayuki Yamada; Tomoki Semoto; Doohwan Lee (ICC Workshops, 2020)

Experimental Demonstration of Free-Space sub-THz Communications Link Using Multiplexing of Beams Having Two Different LG Modal Indices. - Amir Minoofar; Xinzhou Su; Huibin Zhou; Fatemeh Alishahi; Kai Pang; Kaiheng Zou; Runzhou Zhang; Shlomo Zach; Moshe Tur; Andreas F. Molisch; Hirofumi Sasaki; Doohwan Lee; et al. (ECOC, 2021)

Modal Purity and LG Coupling of an OAM Beam Reflected by a Rough Surface for NLoS THz Links. - Xinzhou Su; Nanzhe Hu; Amir Minoofar; Hao Song 006; Huibin Zhou; Zhe Zhao 003; Runzhou Zhang; Kai Pang; Cong Liu 010; Kaiheng Zou; Haoqian Song; Brittany Lynn; et al. (ICC Workshops, 2021)

Field Experiment of 117 Gbit/s Wireless Transmission Using OAM Multiplexing at a Distance of 200 m on 40 GHz Band. - Yasunori Yagi; Hirofumi Sasaki; Tomoki Semoto; Tomoya Kageyama; Takayuki Yamada; Jun Mashino; Doohwan Lee (ICC Workshops, 2021)

Demonstration of 8-Channel 32-Gbit/s QPSK Wireless Communications at 0.28-0.33 THz Using 2 Frequency, 2 Polarization, and 2 Mode Multiplexing. - Xinzhou Su; Huibin Zhou; Kaiheng Zou; Amir Minoofar; Hao Song 006; Runzhou Zhang; Kai Pang; Haoqian Song; Nanzhe Hu; Zhe Zhao 003; Ahmed Almaiman; Shlomo Zach; et al. (OFC, 2021)

Implementation and Evaluation of sub- THz OAM Multiplexing Transmission. - Hirofumi Sasaki; Yasunori Yagi; Tomoya Kageyama; Doohwan Lee (ICC Workshops, 2022)

Prototyping of 40 GHz Band Orbital Angular Momentum Multiplexing System and Evaluation of Field Wireless Transmission Experiments. - Yasunori Yagi; Hirofumi Sasaki; Doohwan Lee (IEEE Access, 2022)

Parabolic Reflector for UCA-based OAM Multiplexing in Sub-THz Band and Transmission Experiment. - Yasunori Yagi; Hirofumi Sasaki; Riichi Kudo; Doohwan Lee (GLOBECOM (Workshops), 2023)

Demonstration of 1.44 Tbit/s OAM Multiplexing Transmission in Sub-THz Bands. - Hirofumi Sasaki; Yasunori Yagi; Riichi Kudo; Doohwan Lee (ICC Workshops, 2023)

Link Distance and Carrier Frequency Dependence of Propagation Attenuation in OAM Multiplexing Using Parabolic Antenna. - Shuhei Saito; Yasunori Yagi; Doohwan Lee; Fumiaki Maehara (PIMRC, 2023)

Off-axis Reflector Antenna for OAM-MIMO Multiplexing Transmission and Its Experimental Evaluation in the Sub-THz Band. - Hirofumi Sasaki; Yasunori Yagi; Riichi Kudo; Doohwan Lee (GLOBECOM, 2024)

Antenna Configuration and Carrier Frequency Dependence of System Capacity in Parabolic Reflector-Based OAM-MIMO. - Shuhei Saito; Yasunori Yagi; Doohwan Lee; Fumiaki Maehara (WCNC, 2024)

Towards 6G Evolution: Three Enhancements, Three Innovations, and Three Major Challenges. - Rohit Singh 008; Aryan Kaushik; Wonjae Shin; Marco Di Renzo; Vincenzo Sciancalepore; Doohwan Lee; Hirofumi Sasaki; Arman Shojaeifard; Octavia A. Dobre (CoRR, 2024)

Backhaul Prioritized Point-to-Multi-Point Wireless Transmission Using Orbital Angular Momentum Multiplexing. - Tomoya Kageyama; Jun Mashino; Doohwan Lee (IEICE Trans. Commun., 2024)

Guest Editorial: Technical Advancements in NTN-Assisted Internet-of-Things: Global Connectivity from the Sky. - Muhammad Ali Jamshed; Aryan Kaushik; Ana García Armada; Marco Di Renzo; Doohwan Lee; Rajitha Senanayake; Octavia A. Dobre (IEEE Internet Things Mag., 2024)

OAM-MIMO Multiplexing Transmission System for High-Capacity Wireless Communications on Millimeter-Wave Band. - Hirofumi Sasaki; Yasunori Yagi; Hiroyuki Fukumoto; Doohwan Lee (IEEE Trans. Wirel. Commun., 2024)

1.58 Tbps OAM Multiplexing Wireless Transmission With Wideband Butler Matrix for Sub-THz Band. - Hirofumi Sasaki; Yasunori Yagi; Riichi Kudo; Doohwan Lee (IEEE J. Sel. Areas Commun., 2024)

Experimental Demonstration of Wireless Transmission Using Airy Beams in Sub-THz Band. - Doohwan Lee; Yasunori Yagi; Kosuke Suzuoki; Riichi Kudo (IEEE Open J. Commun. Soc., 2025)