Invited Talk: Yu Jian Cheng, University of Electronic Science and Technology of China

Special session 5: Waveguide and Antenna Design for mmWave and THz Applications

Short Bio: 
Yu Jian Cheng received the B. S. degree from University of Electronic Science and Technology of China, in 2005 and the Ph.D. degree without going through the conventional Master’s degree at Southeast University, Nanjing, China, in 2010. Since 2010, he has been with the School of Electric Engineering, University of Electronic Science and Technology of China, and is currently a Professor. From 2012 to 2013, he was a research staff in the Department of Electrical and Computer Engineering, National University of Singapore. His current research interests include microwave and millimeter-wave antennas, integrated arrays and circuits. He has authored or coauthored more than 100 papers in journals and conferences, as well as a book-Substrate Integrated Antennas and Arrays, (CRC press, 2015). Dr. Cheng was the recipient of the National Science Fund for Excellent Young Scholars in 2016, and National Excellent Doctorate Dissertation of China in 2012. He is currently the vice president of the joint IEEE Chapters of APS/EMCS, Chengdu, China. He is the Senior Member of the Chinese Institute of Electronics. Now, Cheng has served as the Associate Editor for IEEE antennas and wireless propagation letters, and on review boards of various technical journals

Title:  SIW Slot Array Antenna with Non-Alternating Slot Placement for Impedance Bandwidth Enhancement

Abstract:
This paper presents a substrate integrated waveguide (SIW) array antenna with non-alternating etched longitudinal slots to realize the impedance bandwidth enhancement. Due to the non-alternating slot placement, the impedance bandwidth of the slot array antenna can be expanded much more compared with that of a conventional slot array antenna, which has a distance of a half waveguide wavelength between two adjacent slots. Considering the dielectric filled in the SIW, the distance between two adjacent slots etched on the same side of the SIW is still less than one wavelength in air. Thus, it can guarantee the good performance. The measured linear array exhibits the enhanced impedance bandwidth of 2.29 times at a return loss of 10 dB when compared to the conventional slot array antenna with the same radiating aperture. A stable radiation pattern bandwidth of 2.27% is also obtained with a gain of 17 dBi at the central frequency of 94 GHz.