1. College of Electronic and Optical Engineering & College of MicroelectronicsNanjing University of Posts and TelecommunicationsNanjingPeople's Republic of China
2. National and Local Joint Engineering Laboratory of RF Integration and Micro‐Assembly TechnologyNanjing University of Posts and TelecommunicationsNanjingPeople's Republic of China
3. National Quality Supervision and Testing Centre for RFID Products (Jiangsu)Jiangsu Institute of Quality and StandardizationNanjingPeople's Republic of China