Research Article

A Reconfigurable WiMAX Antenna for Directional and Broadside Application

Table 1

PIN diode switches configuration of the measured and simulated antenna.

Type of switchNumber of PIN 
diode switch
PIN diode status

Reconfigurable RF
switches (R-RFS)
AOFFONON
BONONOFF
CONONON
Simulated peak beam angle340°30°50° and 325°
Measured peak beam angle320°35°43° and 330°
Simulated total antenna efficiency83.68%83.74%85.97%
Measured total antenna efficiency75.8%76.4%78.2%
Simulated gain (dBi)6.2815.5425.154
Measured gain (dBi)3.353.212.80
Simulated HPBW (degree)69°122.9°70.3°
Type of radiation patternDirectional beamDivisive broadside