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Wideband Tunable PIFA Antenna with Loaded Slot Structure for Mobile Handset and LTE Applications

Elfergani, I. ; Hussaini , A. ; Rodriguez, J. ; See, C ; Abd-Alhameed, R.A. Abd-Alhameed

Radioengineering Vol. 23, Nº 1, pp. 345 - 355, April, 2014.

ISSN (print): 1210-2512
ISSN (online):

Scimago Journal Ranking: 0,29 (in 2014)

Digital Object Identifier:

compact planar inverted F antenna (PIFA)
with a tunable frequency response is presented. Tuning of
the resonant frequency is realized by loading a varactor on
an embedded slot of the proposed antenna structure with-
out further optimizing other antenna geometry parameters.
The antenna exhibits a wide frequency range from 1570 to
2600 MHz with a good impedance matching (S11

covering the GPS, PCS, DCS, UMTS, WLAN and LTE
systems. To validate the theoretical model and design con-
cept, the antenna prototype was fabricated and measured.
The compact size of the antenna is 15 mm × 8 mm × 3 mm
which makes this antenna a good candidate for mobile
handset and wireless communication applications.