Compact Loaded PIFA for Multifrequency Applications

Design of a Compact PIFA for WLAN Wi-Fiwireless Applications

With recent advancements in electronics communication technologies more and more compact and powerful electronics devices are coming up with wireless communication capabilities, Not only computers or mobile now even vehicles are equipped with wireless communication capabilities, this advancement create need for new antennas to be developed to fit the new device and service requirements. In this...

Varactor Loaded Tunable Printed Pifa

Varactor tuned printed planar inverted-F antennas (PIFA) are investigated. The low-profile printed antennas are fabricated together with the layouts of its DC control circuits and other RF/baseband circuit footprints. A surface mounted (SMT) varactor is applied as a frequency-tuning element at the middle of the long radiating arm in PIFA. Passive lumped DC bias circuits are implemented with goo...

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

A 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 without further optimizing other antenna geometry parameters. The antenna exhibits a wide frequency range from 1570 to 2600 MHz with a good impedance matching (S11 ≤ -10dB) covering the...

Compact multiband Planar Inverted F Antenna (PIFA)

Compact High Isolation Meandered-Line PIFA Antenna for LTE (Band-Class-13) Handset Applications

MIMO systems have become an essential part in many communications networks and Long Term Evolution (4G) mobile communication systems. Mobile handsets using lower band of LTE (LTE700 band) require antennas of reduced size that can be adapted to the limited space in the handset. This paper presents the design, optimization and implementation of two meandered-line PIFA antennas working as an MIMO ...