期刊名称：Journal of Emerging Trends in Computing and Information Sciences
电子版ISSN：2079-8407
出版年度：2013
卷号：4
期号：2
页码：213-220
出版社：ARPN Publishers
摘要：In this paper, a Planar Inverted-F Antenna (PIFA) with U-Slot (U-PIFA) and slit in ground is introduced. The proposed PIFA is compact with single coaxial feed, single short strip, and single short pin. The main achievement of this research was the design of ISM Microwave bands 2.45/5.8 GHz dual band PIFA antenna by using slit in ground to control the selection of lower resonance frequency without any mutual effect on the upper resonance frequency which determined from U-slot in the patch. The dielectric constant of the substrate is 4.3 and loss tangent of 0.013, FR-4 substrate. The characteristics (input impedance, and the far field radiation pattern) of the U-PIFA were analyzed by a CST (Computer Simulation technology) Microwave Studio package. The maximum impedance bandwidths achieved are ~8.44% centered at 2.45 GHz and ~ 6.78% centered at 5.8 GHz for a return loss less than 10 dB with nearly omni directional pattern suitable for RFID applications. The antenna gains for frequency 2.45 GHz and 5.8 GHz are 2.2 dB and 6.55 dB, respectively
