Compact Broadband Circularly Polarized CPW-Fed Antenna with Characteristic Mode Analysis

Figure 4

Modal currents and radiation patterns for the radiator of (a) Mode 1 and Mode 3 at 4.5 GHz. (b) Mode 3 and Mode 4 at 6 GHz. (c) Mode 3 and Mode 5 at 7.3 GHz. (d) Mode 4 and Mode 5 at 7.4 GHz. (e) Mode 4 and Mode 6 at 8.8 GHz. (f) Mode 5 and Mode 6 at 8.9 GHz.

(a)

(b)

(c)

(d)

(e)

(f)