Chung, K.L. , Cui, A. , Ma, M. , Feng, B. and Li, Y. 2021. Central-Symmetry Decoupling Technique for Circularly-Polarized MIMO System of Tightly Packed Chinese-character Shaped Patch Antennas. The Applied Computational Electromagnetics Society Journal (ACES). 36, 09 (Nov. 2021), 1125–1131.