Design of a Small-Size Broadband Circularly Polarized Microstrip Antenna Array

Table 1

Measured performance comparison of the proposed design and the previous CP arrays.

Array	Overall sizes ()	−10 dB BW (%)	3 dB AR BW (%)	3 dB gain BW (%)	Peak gain (dBic)	Global bandwidth (%)
Proposed		75	53	20.8	12.3	20.8
[4]		20.8	17.6	13	11.5	13
[5]		18	12.7	16.6	12	12.7
[6]		48	30	30	12.8	30
[7]		46.6	40	40	10.9	40
[8]		46.8	45	47	10.5	45
[9]		51	27	27	12.7	27
[10]		54.2	39.3	57	11.3	39.3