| 73 | 
					J. Yun, D. Park, D. Jang and K. C. Hwang | 
					Design of an Active Beam Steering Array with a Perforated Wide-Angle Impedance Matching Layer | 
					IEEE Transactions on Antennas and Propagation | 
					vol. 69, pp. 6028 | 
					2021-09 | 
					SCIE(IF:4.824) | 
					AADL | 
				
								
										| 72 | 
					Q. ul Ain, D. Khan, B. G. Jang, M. Basim, K. Shehzad, M. Asif, D. Verma, I. Ali,?Y. G. Pu, K. C. Hwa… | 
					A High-Efficiency Fast Transient COT Control DC?DC Buck Converter With Current Reused Current Sensor | 
					IEEE Transactions on Power Electronics | 
					vol. 36, no. 8, pp. 9521 | 
					2021-08 | 
					SCIE(IF:5.967) | 
					AADL,MCS,IC lab | 
				
								
										| 71 | 
					S. Trihn-Van, T. Van Trinh, Y. Yang, K. -Y. Lee??and K. C. Hwang | 
					A broadband circularly polarized magneto-electric dipole array antenna for 5G millimeter-wave applications | 
					Appl. Phys | 
					vol. 119, no. 2, pp. 023503 | 
					2021-07 | 
					SCIE(IF:2.546) | 
					AADL,MCS,IC lab | 
				
								
										| 70 | 
					T. Jeong, J. Yun, K. Oh, J. Kim, D. W. Woo and K. C. Hwang | 
					Shape and Weighting Optimization of a Subarray for an mm-Wave Phased Array Antenna | 
					Appl. Sci | 
					vol. 11, no. 15, pp. 803 | 
					2021-07 | 
					SCIE(IF:2.838) | 
					AADL | 
				
								
										| 69 | 
					J. Shin, J. Bae, H. Koo, S. Bae, J. Na, H. Oh, H. Jeon, H. Jung, Y. C. Choi, S. Woo, C. M. Song, K. … | 
					Correction to "5.8 GHz 4-Channel Beamforming Tx IC for Microwave Power Transfer | 
					IEEE Access | 
					vol. 9, pp. 83551 | 
					2021-06 | 
					SCIE(IF:3.476) | 
					AADL,MCS,IC lab | 
				
								
										| 68 | 
					C. M. Song, H. J. Lim, S. Trinh-Van, K.?-Y. Lee, Y. Yang and K. C. Hwang | 
					Dual-Band RF Wireless Power Transfer System with a Shared-Aperture Dual-Band Tx Array Antenna | 
					Energies | 
					vol. 14, no. 13, pp. 3803 | 
					2021-06 | 
					SCIE(IF:3.252) | 
					AADL,MCS,IC lab | 
				
								
										| 67 | 
					C. M. Song, S. Trinh-Van, S. -H. Yi, J. Bae, Y. Yang, K.?-Y. Lee and K. C. Hwang | 
					Analysis of Received Power in RF Wireless Power Transfer System With Array Antennas | 
					IEEE Access | 
					vol. 9, pp. 76315 | 
					2021-05 | 
					SCIE(IF:3.476) | 
					AADL,MCS,IC lab | 
				
								
										| 66 | 
					J. Shin, J. Bae, H. Koo, S. Bae, J. Na, H. Oh, H. Jeon, H. Jung, Y. C. Choi, S. Woo, C. M. Song, K. … | 
					5.8 GHz 4-Channel Beamforming Tx IC for Microwave Power Transfer | 
					IEEE Access | 
					vol. 9, pp. 72316 | 
					2021-05 | 
					SCIE(IF:3.476) | 
					AADL,MCS,IC lab | 
				
								
										| 65 | 
					S. Trinh-Van, T. Van Trinh, Y. Yang, K. -Y. Lee and K. C. Hwang | 
					Bandwidth-Enhanced Low-Profile Magneto-Electric Dipole Antenna With Shorting Parasitic Elements | 
					IEEE Access | 
					vol. 9, pp. 64852 | 
					2021-04 | 
					SCIE(IF:3.476) | 
					AADL,MCS,IC lab | 
				
								
										| 64 | 
					W. Choi, H. Kang, H. Oh, K. C. Hwang, K. -Y. Lee and Y. Yang | 
					Doherty Power Amplifier Based on Asymmetric Cells With Complex Combining Load | 
					IEEE Transactions on Microwave Theory and Techniques | 
					vol. 69, no. 4, pp. 2336 | 
					2021-04 | 
					SCIE(IF:4.381) | 
					AADL,MCS,IC lab |