Small-Size and High-Isolation MIMO Antenna for WLAN

Provided by: ETRI Journal
Topic: Mobility
Format: PDF
A small-sized (15 mm?30 mm) 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.

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