MIMO Antenna System With Pattern Diversity for Sub-6 GHz Mobile Phone Applications. - Uzair Ahmad; Sadiq Ullah; Umair Rafique 002; Dong-You Choi; Rizwan Ullah; Babar Kamal; Ashfaq Ahmad 003 (IEEE Access, 2021)

Compact Eight-Element MIMO Antenna with Reduced Mutual Coupling and Beam-Scanning Performance. - Ashfaq Ahmad 003; Dong-You Choi (Sensors, 2022)

Performance Analysis of Wearable Dual-Band Patch Antenna Based on EBG and SRR Surfaces. - Abdul Wajid; Ashfaq Ahmad 003; Sadiq Ullah; Dong-You Choi; Faiz Ul Islam (Sensors, 2022)

Design and Analysis of 29 GHz Millimeter-waves Phased Array Antenna with Reduced Mutual Coupling. - Ashfaq Ahmad 003; Dong-You Choi; Hyeong Jung Kim; Yun Hwang Lee; Oh Mi Kyung; Geun Ok Lee (ICOIN, 2023)

A Miniaturized Dual-Band Antenna for 5G mm-Wave Applications. - Daud Khan; Ashfaq Ahmad 003; Jawad Ali; Yun Hwang Lee; Dong-You Choi (ICOIN, 2024)

Design and Optimization of a Mid-Field Wireless Power Transfer System for Enhanced Energy Transfer Efficiency. - Daud Khan; Ashfaq Ahmad 003; Dong-You Choi (Symmetry, 2024)

A Single Layer Metasurface Based Reflectarray for X-Band Application. - Jawad Ali; Ashfaq Ahmad 003; Dong-You Choi (ICEIC, 2025)

Efficient Metamaterial-Integrated Radiative Near-Field Wireless Power Transfer System for Scalp-Implantable Devices in IoMT Applications. - Ashfaq Ahmad 003; Dong-You Choi (IEEE Internet Things J., 2025)