ABSTRACT
The aim of this paper is to design and to develop a novel miniaturized Planar Inverted-F Antenna (PIFA), which is covered Multi-band frequency. The proposed antenna is applied in mobile telephones. We analyze the performance of this antenna in terms of return loss and radiation patterns. The results of simulations show that the antenna provides eight modes of resonance. The number of resonances is depending on the techniques of miniaturization. The gains corresponding to each mode is positive and generally increases or improve. We will discuss two wireless communication bands UMTS and WLAN and we prove that this antenna meets and provides the requested characteristics of WLAN/UMTS. We explain in this work the role of the geometrical parameters to determine the Multi-band performances of this antenna.
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