2004
DOI: 10.1049/el:20045276
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PIFA input bandwidth enhancement by changing feed plate silhouette

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Cited by 64 publications
(40 citation statements)
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“…Due to the limited space available on the printed circuit board (PCB) of a wireless device, antenna miniaturization is crucial to keep the size of this type of antenna small and appropriate for portable wireless units, without degradation of performance in terms of bandwidth and radiation patterns. Studies of ground plane effects [7] and bandwidth enhancement methods [8], [9] of such antennas have been reported. By adapting the research outcomes of authors [7]- [10], this paper presents a new dual-frequency (2.5/5.5 GHz) compact planar inverted F-L-shaped antenna with overall size of 30 mm 2 15 mm 2 8 mm, mounted on a 30 mm 2 30 mm finite ground plane.…”
Section: Introductionmentioning
confidence: 99%
“…Due to the limited space available on the printed circuit board (PCB) of a wireless device, antenna miniaturization is crucial to keep the size of this type of antenna small and appropriate for portable wireless units, without degradation of performance in terms of bandwidth and radiation patterns. Studies of ground plane effects [7] and bandwidth enhancement methods [8], [9] of such antennas have been reported. By adapting the research outcomes of authors [7]- [10], this paper presents a new dual-frequency (2.5/5.5 GHz) compact planar inverted F-L-shaped antenna with overall size of 30 mm 2 15 mm 2 8 mm, mounted on a 30 mm 2 30 mm finite ground plane.…”
Section: Introductionmentioning
confidence: 99%
“…Una desventaja de construir una antena IFA usando conductores relativamente delgados es que el ancho de banda es bajo (típicamente 2%). La solución a esto es reemplazar los conductores por placas, dando origen a la antena PIFA [7,8], cuyo esquema se muestra en la gura 2.…”
Section: Antenas Pifa Y Configuraciones De Arrays Propuestosunclassified
“…En este trabajo se presentan resultados experimentales de medición de canal y evaluación de capacidad MIMO 4x4 para dos con guraciones básicas de arrays, Lineal y Cuadrada, utilizando como elemento la antena PIFA (Planar Inverted "F" Antenna) [7,8], cuyas características de bajo per l, pequeñas dimensiones, gran ancho de banda, y en particular su estructura con varios grados de libertad geométrica, permiten una mayor exibilidad de diseño y con guraciones que ameritan ser estudiadas. Las mediciones se realizaron en la banda de frecuencia de 2,45 GHz, de redes WiFi (Wireless Fidelity) 802,11b en entornos interiores ricos en multitrayecto.…”
unclassified
“…However, the conventional PIFA has bandwidth constraints; typically 4-12% impedance bandwidth is achievable in an unmodified design. Modified PIFA designs include T-slot geometries [3], the introduction of parasitic elements, such as the inverted L [4,5], modified ground planes [6,7] and modifications to the feeding and shorting plates [8,9]. The design adopted here is a miniaturized 'FL' antenna, or PIFLA [10].…”
Section: Introductionmentioning
confidence: 99%