Novel Design of High-Gain Planar Dipole-Array Antenna for RFID 2.45 GHz

Figure 4

Array distance 𝑑 effect on simulated return loss and simulated gain of four-element arrays without additional ground. (a) 𝑑 effect on simulated return loss and (b) 𝑑 effect on simulated gain.

(a)

(b)