This measurement was done in shielded room condition. The distance between the two horns antennas from the FSS structure are 300mm.
The measurement setup for measure the signal power (in dBm) at receiver horn antenna when the 2.4GHz signal propagate through the FSS structure by using two horn antennas, Avantest R3131A spectrum analyzer (9khz -3Ghz), and Agilent Technologies E8267D signal generator (250khz -20Ghz). Hence, the FSS structure was measured by using two horn antennas. Without any external power, the FSS structure would not amplify the signal output. It does not need any SMA connector to supply power. S IGNAL P OWER M EASUREMENT Due to the FSS structure that design in this process is a passive antenna. The simulation FSS structure was shown in Figure 2. The overall design of simulation and fabricated FSS structure size are 28 cm × 20 cm. This is because antenna was really sensitive and any small error will lead to undesired performance of FSS structure. The fabricated FSS structure must be accurate to avoid the FSS structure result to be inaccurate. The FSS structure attached with the WLAN application was tested. The result from measurement will be compared with the simulation and analysis will be done. The FSS structure that had been designed was also simulated using CST where it consists of the results of S-parameter, bandwidth, and resonate frequency. The FSS structure design is an array square loop.
M ETHODOLOGY The designing and simulation of FSS structure was done using CST Microwave Studio.