Compact Circularly Polarized Microstrip Ring Antenna Using Capacitive Coupling Structure for RFID Readers

Shiji Wu, Jiade Yuan, Jiangcheng Chen, Yujie Li. Compact Circularly Polarized Microstrip Ring Antenna Using Capacitive Coupling Structure for RFID Readers. IEEE Access, 8:32617-32623, 2020. [doi]

Abstract

Abstract is missing.