Research Article

Efficiency Improvements of Antenna Optimization Using Orthogonal Fractional Experiments

Table 5

The 26 full factorial design 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+1−1−1−1−1−111.0649.51−89.75−29.09
3−1+1−1−1−1−110.2735.98−111.41−35.76
4+1+1−1−1−1−111.5877.42−107.85−35.72
5−1−1+1−1−1−118.18213.59−84.09−41.58
6+1−1+1−1−1−121.41269.02−77.7−43.84
7−1+1+1−1−1−118.66231.22−112.58−46.48
8+1+1+1−1−1−123.08304.06−103.86−44.9
9−1−1−1+1−1−19.982.93−76.7−35.97
10+1−1−1+1−1−110.9134.76−79.69−30.63
11−1+1−1+1−1−19.9417.13−89.7−37.45
12+1+1−1+1−1−111.3761.45−87.63−35.91
13−1−1+1+1−1−117.28184.2−65.01−37.2
14+1−1+1+1−1−121.02249.76−64.29−41.21
15−1+1+1+1−1−117.8206.6−79.89−42.43
16+1+1+1+1−1−122.32281.47−82.59−43.14
17−1−1−1−1+1−19.9839.6848.17−18.59
18+1−1−1−1+1−110.7563.3357.78−17.65
19−1+1−1−1+1−19.9747.3120.62−19.76
20+1+1−1−1+1−111.2891.3520.14−20.71
21−1−1+1−1+1−119.29266.1767.45−35.37
22+1−1+1−1+1−123.98340.5762.65−34.25
23−1+1+1−1+1−118.92258.7329.44−36.02
24+1+1+1−1+1−122.43314.9529.08−37.2
25−1−1−1+1+1−19.8112.5753.05−22.82
26+1−1−1+1+1−110.6744.0850.9−20.57
27−1+1−1+1+1−19.7726.1741.37−23.21
28+1+1−1+1+1−110.9763.4645.12−23.04
29−1−1+1+1+1−117.27201.5471.99−52.71
30+1−1+1+1+1−121.97277.5279.47−40.39
31−1+1+1+1+1−118.0422842−44.78
32+1+1+1+1+1−121.8288.8952.66−41.63
33−1−1−1−1−1+110.0118.39−64.29−49.93
34+1−1−1−1−1+111.0555.37−65.77−35.69
35−1+1−1−1−1+110.339.32−84.83−63.8
36+1+1−1−1−1+111.5478.88−87.69−47.6
37−1−1+1−1−1+117.82213.16−51−31.01
38+1−1+1−1−1+121.54276.05−45.24−32.7
39−1+1+1−1−1+119.11242.5−79.4−36.66
40+1+1+1−1−1+122.28294.1−81.95−37.36
41−1−1−1+1−1+110.078.96−56.66−41.44
42+1−1−1+1−1+110.5225.32−43.47−34.98
43−1+1−1+1−1+110.1725.25−62.55−50.4
44+1+1−1+1−1+111.3365.66−68.33−45.6
45−1−1+1+1−1+117.62195.45−39.74−30.14
46+1−1+1+1−1+120.96250.01−41.8−32.97
47−1+1+1+1−1+118.43222.91−57.19−35.37
48+1+1+1+1−1+121.93280.51−61.69−36.86
49−1−1−1−1+1+110.1749.1179.06−24.02
50+1−1−1−1+1+111.1982.7795.26−23.1
51−1+1−1−1+1+110.0453.6258.22−25.16
52+1+1−1−1+1+111.393.4657.24−25.26
53−1−1+1−1+1+119.48276.21109.07−68.59
54+1−1+1−1+1+124.24350.33119.31−50.94
55−1+1+1−1+1+117.67240.5967.23−53.59
56+1+1+1−1+1+122.14315.0480.15−55.5
57−1−1−1+1+1+19.9218.0890.26−27.86
58+1−1−1+1+1+110.6747.2991.94−25.21
59−1+1−1+1+1+19.7331.4367.56−27.87
60+1+1−1+1+1+110.454.1784.71−26.77
61−1−1+1+1+1+117.41206.82121.66−45.6
62+1−1+1+1+1+121.28271.39123.92−56.05
63−1+1+1+1+1+117.97229.2279.09−49.58
64+1+1+1+1+1+120.38272.576.67−62.57