[1]K. Ning, X. -C. Li, H. Zhang and J. Mao, "Ridged substrate integrated coaxial line for wideband millimeter-wave transmission," IEEE Trans. Microw. Theory Techn., vol. 69, no. 6, pp. 2981-2988, June 2021.
[2]K. Ning, X. -C. Li, Y. Shao and J. Mao, " Low-loss wide-bandwidth planar transmission line with a laminated conductor," Science China (Information Sciences), vol. 66, iss. 5, p. 152304- Apr. 2023.
[3]K. Ning, X. -C. Li, G. Xiao, Z. -R. Xu and J. Mao, "Skew-symmetric slotted waveguide with mode select effect," IEEE Trans. Compon. Packag. Manuf. Technol, vol. 12, no.7, pp. 1150-1159, July 2022.
[4]K. Ning, X. -C. Li, Y. Liu and J. Mao, "Two-material ridged substrate integrated coaxial line for monomode bandwidth improvement," IEEE Trans. Compon. Packag. Manuf. Technol, vol. 12, no. 8, pp. 1358-1367, Aug. 2022.
[5]X. Liu, K. Ning*, S. Xue, L. Ge, K. W. Leung and J. -F. Mao, "Printed filtering dipole antenna with compact size and high selectivity," IEEE Trans. on Antennas and Propaga., vol. 72, no. 3, pp. 2355-2367, March 2024.