Research Article

Gain Enhancement of a Microstrip Patch Antenna Using a Reflecting Layer

Table 2

Comparison of the directivity of the proposed antenna (three stages) and the conventional microstrip patch antenna [19].

Design (GHz)Main lobe magnitude (-field) dBV/mMain lobe magnitude (-field) dBA/mMain lobe direction (degree)Angular width at 3 dB (degree)F/B (dB)

First stage2.36516.
Second stage2.35318.1684.47.6
Third stage (proposed antenna)2.39220.2671.69.5
Conventional [19]2.34417.48100.17.6