A 2A 2.4GHz Omni-directional Horizontally Polarized Planar Printed Antenna for WLAN ApplicationsAbsrrnd - This paper p r i r s m the design simulafion. mplsmm!, and mea~uremenfof r 2.4GHz omni-dasstional hatiiontally polarized planar ptinfrd anmm for WLAN applisstion. The HFSS 3.0 EM simulator is uicd far design simulation. The antenna 1s fabnraced on a double-aided FR-4 printed circuit b a d . The anfcma patism m ~ ~ w e m e n t s am performed for &e antenna i s alone in hss ~ p a c rprinted , on a PCMCIA card, and that insened imide a natehoak PC. I n addition L o be used a l m t for a ho6zonrally polarized m t c m , it c m be d m a part o f a diversity m1ema.1. I ~ T R O D U C ~ O NIn the urbrn or indoor *~irslcir~nvironment,rRer complicated multiplc reflection or icm-g, the polarizat……