Square-Framed T Shape mmwave Antenna Array at 28 GHz for Future 5G Devices

Table 1

Comparison table of proposed antenna with published literature.

Ref	Antenna elements	Configuration	Bandwidth (GHz)	Size in mm (L × W)	Efficiency (%)	Gain (dBi)
5	2 × 2	Planar	3	30 × 30	75	5.5
6	2 × 2	Planar	2.5	30 × 30	78	7
7	1 × 8	SIW	2.3	63.5 70	62	13.5
9	1 × 4	SIW	9	20 × 45	84	12.1
10	1 × 4	Planar	0.6	20 × 26	90	10
15	2 × 2	1 × 4	17	80 × 80	92	11.75
13	1 × 4	Planar	2.9	37 × 14.5	83	10.5
Proposed	1 × 4	Planar	4	18.5 × 24	94	11.5