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Extremely compact dual-band PIFAs for MIMO application

  • Hui Li
  • Jiang Xiong
  • Sailing He
Publiceringsår: 2009
Språk: Engelska
Sidor: 869-870
Publikation/Tidskrift/Serie: Electronics Letters
Volym: 45
Nummer: 17
Dokumenttyp: Artikel i tidskrift
Förlag: IEE


A MIMO structure consisting of two extremely compact planar inverted-F antennas (PIFAs) (lambda/60×lambda/20×lambda/60) is proposed for GSM 900 MHz and 2.4 GHz wireless local area network applications. The miniaturisation of each antenna is achieved through a spiral-shaped PIFA and a capacitive load, forming a LC resonator. Both antennas have a good impedance bandwidth of 0.88–0.945 and 2.39–2.48 GHz for 0.9 and 2.4 GHz band, respectively. The two PIFA antennas are polarised orthogonally to each other, and isolation better than −28 dB is achieved in both bands without any structure etched on the ground. The predicted results are compared with the measured data and good agreement is found.


  • Electrical Engineering, Electronic Engineering, Information Engineering


  • Radio Systems-lup-obsolete
  • ISSN: 1350-911X

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