표 4. | Table 4. SWB 안테나 특성 비교 | Comparison of SWB antenna characteristics.

Reference	Size[mm3] (W×L×H)	Frequency band[GHz] (bandwidth ratio)	Gain[dBi] (GHz)	Transition between radiator and ground
[11]	52×42×1.57	0.96~10.9 (11.35:1)	0.9(0.96) 4.1(10.9)	Elliptical tapered slot
[12]	52×16×1.6	0.95~13.8 (14.52:1)	−0.5(0.95) 5.6(13.8)	Circular tapered slot
[13]	28×27×1.6	2.75~71.0 (25.82:1)	0.1(2.75) 11(71)	Triangular tapered slot
[14]	22×18.5×1.6	3.5~37.2 (10:1)	0(3.5) 9(37.2)	Elliptical tapered slot
[15]	52.2×42×1.57	1.3~20.0 (15.3:1)	2.1(1.3) 5.2(20)	Circular tapered slot
Proposed	107.8×147.2×1.6	0.8~15.6 (18.8:1)	2.1(0.8) 8.3(28)	Triangular tapered slot