4 h s 1 1 m -I n this paper. we propose a circular polarized antenna, which is one-wavelength L-shaped structure with one feed point. l h r proposed antenna is composed of two elements, which have cliglitl! different length. and the feed point is arranged on the coiner point. The length of the two elements i s adjusted and the circular polarization characteristics are calculated by using the inioment mcthod. As a result. we make clear the principle of the proposed antenna that the circular polarization can be obtained 11) iid,jurting design parameters so that the phase difference of r\citation currents on the two elements is in agreement with the included angle between the two elements. Moreover, w'e make an nperiment o n a fabricated slot type model of the proposed antenna and demonstrated its favorable impedance matching characteristic. The L-shaped and simple feeding structure of the proposed antenna is suited to be built i n the corner of front panel of sniail radio equipment for wireless LAN systems. lie?ivords: mfrcnmt, circtclar puliiri:ntion. ivire1es.c LAN
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