Aperture-Fed Quad-Port Dual-Band Dielectric Resonator-MIMO Antenna for Sub-6 GHz 5G and WLAN Application

Table 3

Comparison of the proposed antenna with literature.

Citation	Operating frequencies (GHz)	Antenna size (λ)	Gain (dBi)	Bandwidth (%)	Efficiency (%)	Feed type	Design complexity
[28]	4.9	2.28 × 0.73 x 0.13	6.2	5.1	—	Microstrip line	Low
[29]	3.22–3.97, 4.95–5.51	0.86 × 0.86 x 0.12	5.2 5.5	4.97, 2.35	95	Microstrip line	Low
[30]	5.71–8.2, 7.57–7.95	1.53 × 1.53 x 0.12	−1.9, 3.8	34.85, 4.55	—	Microstrip line	Low
[31]	3.40–4.13	1.13 × 1.13 x 0.19	8.1	19.4	>90	Probe feed	High
[32]	3.50–5.10	1.43 × 1.43 x 0.36	8.5	45	88	Probe feed	High
[33]	4.56–9.96	1.5 × 1.5 x 0.39	—	74	—	Trapezoidal patch	Medium
[34]	4.33–7.02	2.6 × 2.6 x 0.36	—	47.4	89	Probe	High
Proposed; antenna	4.5, 5	0.89 × 0.89 x 0.17	7.67, 8.32	2.64%, 1.2%	88.02, 86.31	Aperture couple	Medium