... loi anten vi di (microstrip antennas) v m nh g to th lc s dng ph bi th n hi i. Anten vi d ... Keywords: Microstrip antennas, circular polarization, WLAN ABSTRACT This paper presents a circularly polarized microstrip antenna used for 2.4 GHz WLAN applications. The designed antenna consists ... Reader Antenna for 2.4 GHz Band, PIERS Proceedings, Xi'an, China, March 22 26, 2010. 4. Dau-Chyrh Chang, Bing-Hao Zeng, and Ji-Chyun Liu, High Performance Antenna Array with Patch Antenna...