A Single-Point-Fed Wideband Circularly Polarized Rectangular Dielectric Resonator Antenna

Table 2

Comparison between the proposed antenna and other published single-point-fed CP DRAs.

DRA shape		3 dB AR bandwidth	Impedance bandwidth	Average total efficiency	Reference
Hollow rectangular	9.4	12.4%	32.5%	—	[10]
Trapezoidal	9.4	21.5%	33.5%	90%	[11]
Rectangular	9.2	14.0%	19.0%	98%	[12]
Rectangular	12	18.7%	53.5%	75%	[13]
Rectangular	12	25.5%	—	82%	[14]
Rectangular	10	33.0%	51.4%	89%	Proposed