1. Faculty of Science and Technology, University of Macau, Macau, China
2. State Key Laboratory of Radio Frequency Heterogeneous Integration, Guangdong Engineering Research Center of Base Station Antennas, Shenzhen Key Laboratory of Antennas and Propagation, College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China
3. Crosstech Innovation Group Ltd., Macau, China