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Multiband diversity antenna performance study for mobile phones

Publiceringsår: 2007
Språk: Engelska
Sidor: 193-196
Publikation/Tidskrift/Serie: International Workshop on Antenna Technology: Small and Smart Antennas Metamaterials and Applications, 2007. IWAT '07.
Dokumenttyp: Konferensbidrag
Förlag: IEEE Press


Spatial diversity is a popular multiple antenna system technique, due to simplicity in implementation. However, its application has thus far been limited to systems where the electrical separation between adjacent antennas typically exceeds half a wavelength. This is because a more compact design induces higher antenna correlation and impedance mismatch, which results in lower diversity gains. In this paper, the performance of a compact multiband diversity antenna is investigated in both simulations and measurements. The dual-antenna structure is designed for the future WCDMA bands of WCDMA850, WCDMA1800 and 3G EU (UMTS), where the antenna separation at the WCDMA850 band is 0.24*wavelength. The measured results indicate that an average effective diversity gain of 7.3 dB at the 1% probability level can be achieved for the three bands



  • Electrical Engineering, Electronic Engineering, Information Engineering
  • diversity reception
  • code division multiple access
  • 3G mobile communication
  • antenna arrays
  • impedance matching
  • mobile handsets
  • multifrequency antennas


International Workshop on Antenna Technology (iWAT)
Cambridge, UK
  • Vinnova
  • Radiosystem: Antennas, channel models, and wave propagation for future wireless networks, (VINNOVA, AM/GK/FT)
  • Radio Systems
  • Electromagnetic theory
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  • ISBN: 1-4244-1088-6

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