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Isolation enhancement of compact MIMO antennas with current localization

Publiceringsår: 2010
Språk: Engelska
Dokumenttyp: Konferensbidrag


In this paper, we study the influence of current localization on the isolation between two antennas in a compact terminal setting. The two antennas are chosen to be a monopole and a PIFA, respectively. The degree of current localization is controlled by the permittivity value of the PIFA’s dielectric loading. Both lossless and lossy cases are simulated in order to ascertain the underlying performance impact from current localization and its potential use in real implementation. Our results show that significant isolation enhancement is achieved with more localized currents. Moreover, the technique improves diversity and capacity performance both at the center frequency and over a given bandwidth. In addition, PIFAs with dielectric loading of higher permittivity and more localized currents are physically smaller.


  • Electrical Engineering, Electronic Engineering, Information Engineering


12th COST2100 Management Committee Meeting, 2010
  • Electromagnetic theory-lup-obsolete
  • Radio Systems-lup-obsolete

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