A Low-Profile Dual-Polarized MIMO Antenna with an AMC Surface for WLAN Applications

Table 2

Comparison of proposed antenna with existing works.

Ref.	Size (lambda^3)	Bandwidth (GHz)	Isolation (dB)	Gain (dBi)	Efficiency	Polarization
[1]	0.91 × 0.91 × 0.26	7.7% (2.5–2.7); 8.7% (3.3–3.6)	≥25	8.4	N/A	Dual
[2]	0.87 × 0.87 × 0.09	15.6% (2.36–2.76); 9.3% (5.12–5.62)	≥22	7.3	65%	Dual
[7]	1.01 × 1.01 × 0.13	18.6% (2.28–2.75)	≥30	N/A	N/A	Dual
[13]	0.62 × 0.62 × 0.12	16.5% (2.4–2.83)	≥35	9.6	45%	Dual
[16]	0.72 × 0.72 × 0.16	26.5% (2.23–2.91)	≥14.5	7.02	N/A	CP
[18]	0.93 × 0.93 × 0.13	19.8% (3.14–3.83) 13.2% (4.40–5.02)	≥20	8.2	90%	Dual
This work	0.91 × 0.91 × 0.10	21% (2.35–2.89)	≥19	7.34	71.5%	Dual