A study on fan type PIFA for LTE band handy-phone application

This paper presents basic design for patch antenna element with fan structure operated at the LTE (Long Term Evolution) UHF band. The proposed antenna based on the PIFA (Planar Inverted-F type Antenna) was considered a meander line structure to satisfy resonance in LTE Band at a small restricted area of 30 × 24 mm. In order to control directivity of the radiation pattern, a fan-shaped radiator structure was designed and performed. The bandwidth of proposed radiator is about 50 MHz (740~790 MHz) below -10 dB return loss and the calculated isolation between (1) and (4) position in Fig. 7 shows about -7 dB at LTE band. The measured return loss shows reasonable agreement with the calculated one.