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http://dx.doi.org/10.4218/etrij.12.0211.0083

Small-Size and High-Isolation MIMO Antenna for WLAN  

Jin, Zhe-Jun (Department of Electronic Engineering, Hanyang University)
Lim, Jong-Hyuk (Department of Electronic Engineering, Hanyang University)
Yun, Tae-Yeoul (Department of Electronic Engineering, Hanyang University)
Publication Information
ETRI Journal / v.34, no.1, 2012 , pp. 114-117 More about this Journal
Abstract
A small-sized ($15mm{\times}30mm$) planar monopole MIMO antenna that offers high-isolation performance is presented in this letter. The antenna is miniaturized using inductive coupling within a meander-line radiator and capacitive coupling between a radiator and an isolator. High isolation is achieved by a T-shaped stub attached to the ground plane between two radiators, which also contributes to the small size using a folded structure and the capacitive coupling with radiators. The proposed antenna operates for the WLAN band within 2.4 GHz to 2.483 GHz. The measured isolation (S21) is about -30 dB, and the envelope correlation coefficient is less than 0.1.
Keywords
Diversity; envelop correlation coefficient; isolation; MIMO; WLAN;
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