A Novel Methodology to Design Miniaturized Regular Planar Inverted-F Antennas

Based on Parametric Simulations

311

both antenna feeding ways (probe or plate). Make a

trade off choice of the optimal configuration for dif-

ferent bands.

This methodology is interesting not only to design

PIFA with regular shape (as studied here), but also

PIFAs with bent and meandered shapes by modifing

an initial regular PIFA.

5. Conclusions

To design a dual band (or multibands) PIFA, the author

exposed a methodolgy based on parametric simulations.

The parameters variations are simulated successively or

simultanously by group that have the same order of mag-

nitude. The methodogy is a formalism of precedent pub-

lished works of the author concerning the parametric si-

mulations to design PIFAs. The results are interesting and

the methodogy can be used lonely or can be also com-

bined with other design algorithms of PIFA literature.

Also, the methodology is a trade-off between differ-

ents band of the antenna because enhancement in a band

affects negatively the other bands. The methodology has

as goal to search an effective solution that respects the

requirements and not necessary the optimal one. In com-

parison with precedent designed PIFAs [4,5] for different

frequency bands, the methodology allows the design of

antennas presenting a very high gain and directivity and

also an interesting radiation efficiency for different band.

The use of methodology in designing antenna is so inter-

esting to optimize the antenna characteristics and per-

formance. This research field is in progress and the an-

tenna design methodology can be combined with algo-

rithms as genetic algorithms to make more optimized

antennas.

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www.antenna-theory.com/antennas/patches/pifa.php

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