Single-Layer Circularly Polarized Wide Band Reflectarray Antenna with High Aperture Efficiency

Table 1

Comparison of previous RA performance with the proposed.

Work	Central freq.	Gain BW 1 dB	AR BW 3 dB	AR BW 1 dB
[24]	10	17%	30%	18%
[25]	10	19.1%	40%	—
[26]	11.8	10%	14.6%	10%
[27]	13.5	11.1%	20.3%	—
[28]	15	19.3%	15%	—
This work	12.5	26.4%	36%	18.4%