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Author

D. David

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2 papers indexed here

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Open access Aug 2026

Compact quad-port MIMO antenna with circular defected ground structure for sub-6 GHz wireless systems

A compact quad-port MIMO antenna operating at 5.8 GHz was proposed for WLAN and sub-6 GHz wireless applications. The antenna was implemented on an FR-4 substrate with overall dimensions of 40 × 40 × 1.6 mm3 and employed hook-shaped radiating elements arranged orthogonally to achieve polarization diversity. A defected g...

R. Julia Karal Adisaya, D. David, M. Nesasudha · 0 citations
Open access Aug 2026

A sub-6 GHz four-element MIMO antenna using slotted metamaterial structures with low SAR performance

A four-element multiple-input multiple-out (MIMO) antenna employing a metamaterial (MMT)-based structure is presented for sub-6 GHz wireless applications. The antenna is fabricated on an FR4 substrate and operates over the 5.7–5.9 GHz band, centred at 5.8 GHz. The overall antenna size is 46 × 44 × 1.6 mm3 (0.89λ0 × 0.8...

R. Julia Karal Adisaya, D. David, M. Nesasudha · 0 citations

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