Design of High-Gain and Beam Steering Antennas Using a New Planar Folded-Line Metamaterial Structure

Table 4

Simulation and measurement results of LHM beam steering antenna.

= 5.8 GHz	LHM beam steering antenna; (30 × 90 × 30 mm^3)
	Case 1		Case 2		Case 3
	Sim.	Meas.	Sim.	Meas.	Sim.	Meas.
(dB)	−20	−15	−11	−27	−10	−24
BW(MHz)	277	250	179	120	194	140
Peak gain (dBi)	12	11.6	11.1	10	11	9.8
G (dBi)	3.8	3.3	3.4	2.5	3.2	2.3

Sim.: simulation.
Meas.: measurement.
BW: bandwidth.
G: increased gain by using FL-LHM substrate (compared with RA).