Research Article

Efficiency Improvements of Antenna Optimization Using Orthogonal Fractional Experiments

Table 6

The orthogonal fractional experiment and the simulated results (at 915 MHz).

Run (Ω) (Ω) (Ω) (dB)

1−1−1−1−1−1−110.1820.64−96.97−32.56
2+1−1−1−1+1−110.7563.3357.78−17.65
3−1+1−1−1+1+110.0453.6258.22−25.16
4+1+1−1−1−1+111.5478.88−87.69−47.6
5−1−1+1−1+1+119.48276.21109.07−68.59
6+1−1+1−1−1+121.54276.05−45.24−32.7
7−1+1+1−1−1−118.66231.22−112.58−46.48
8+1+1+1−1+1−122.43314.9529.08−37.2
9−1−1−1+1−1+110.078.96−56.66−41.44
10+1−1−1+1+1+110.6747.2991.94−25.21
11−1+1−1+1+1−19.7726.1741.37−23.21
12+1+1−1+1−1−111.3761.45−87.63−35.91
13−1−1+1+1+1−117.27201.5471.99−52.71
14+1−1+1+1−1−121.02249.76−64.29−41.21
15−1+1+1+1−1+118.43222.91−57.19−35.37
16+1+1+1+1+1+120.38272.576.67−62.57