Two-Step Decoupling Design of a Microstrip Antenna Array by Using Waveguided Complementary Split-Ring Resonators and a Fully Connected Neural Network

Table 1

Comparison of simulated and measured results of the proposed arrays by different design methods.

Design	Geometric parameters (mm)				S21 (dB)		S11 (dB)
					Simulated	Measured	Simulated	Measured
FCNN	L = 8	a = 9.23	b = 14.0	D = 2.3	−38.24	−39.09	−17.89	−29.11
	L = 7	a = 9.32	b = 13.0	D = 2.5	−40.45	−41.05	−28.02	−37.34
	L = 6	a = 9.42	b = 12.6	D = 2.5	−62.20	−52.33	−33.12	−30.60
EM	L = 8	a = 9.34	b = 12.3	D = 3.6	−29.48	−31.32	−30.68	−26.81