Page 225 - Antennas for Base Stations in Wireless Communications
P. 225
198 Chapter Five
E-plane 0° H-plane
330° 30°
−10
[dB]
300° 60°
−20
−30
270° 90°
240° 120°
210° 150°
180°
(a) A four-element choke loaded patch array antenna
E-plane 0° H-plane
330° 30°
−10
[dB]
300° 60°
−20
−30
270° 90°
240° 120°
210° 150°
180°
(b) A sixteen-element choke loaded patch array antenna
Figure 5.24 Measured pattern of booster antennas