1 Introduction
1.1 Related Work
2 Design of Ultrawideband Antenna
Parameter | Dimension (mm) | Parameter | Dimension (mm) |
---|---|---|---|
Lsub | 35 | Lp | 28 |
Wsub | 30 | Lg | 12.5 |
Hsub | 1.6 | La | 10 |
L | 10.5 | L1 | 1 |
W | 11 | L2 | 0.75 |
LF | 13.5 | Wx | 3 |
WF | 2.85 | Wa | 30 |
Ra,Rb,Rc,Rd | 2 | Wb | 11 |
Re | 1.5 | Re,Rf | 2.5 |
3 Design Analysis of the Ultrawideband Antenna
3.1 Analysis of Evolution Stages
3.2 Effect of Corner Cuts on Rectangular Patch
3.3 Effect of Truncation on the Ground Plane
3.4 Parametric Analysis
3.4.1 Effect of Corner Cuts on Rectangular Patch
3.4.2 Effect of Corner Cuts on the Ground Plane
3.4.3 Effect of Center Circular Cut on Rectangular Patch
3.4.4 Effect of Center Ground Cut
3.4.5 Effect of the Width of Transmission Line
3.5 Current Distribution
4 Result of UWB Antenna
4.1 Simulated and Measured S 11
4.2 Gain
4.3 Radiation Pattern
Ref. | Dimension (mm3) | Operating range (GHz) | Bandwidth (GHz) |
---|---|---|---|
[28] | \(2.19 {\lambda }_{0}\times 2.7 {\lambda }_{0}\times 0.02{\lambda }_{0}\) | 3.1–10.6 | 7.5 |
[29] | \(0.29 {\lambda }_{0}\times 0.25 {\lambda }_{0}\times 0.008{\lambda }_{0}\) | 2.45–10.75 | 8.3 |
[30] | \(0.17 {\lambda }_{0}\times 0.15 {\lambda }_{0}\times 0.008{\lambda }_{0}\) | 2.7–13.8 | 11.1 |
[31] | \(0.54 {\lambda }_{0}\times 0.54 {\lambda }_{0}\times 0.02{\lambda }_{0}\) | 3.4–9.0 | 5.6 |
[32] | \(0.99 {\lambda }_{0}\times 0.99{\lambda }_{0}\times 0.02{\lambda }_{0}\) | 3.1–9.6 | 6.5 |
[33] | \(0.35{\lambda }_{0}\times 0.3 {\lambda }_{0}\times 0.01{\lambda }_{0}\) | 3.0–4.5 & 6.4–13.0 | 10.0 |
[34] | \(0.44 {\lambda }_{0}\times 0.4 {\lambda }_{0}\times 0.006{\lambda }_{0}\) | 2.0–12.2 | 9.8 |
[35] | \(0.41 {\lambda }_{0}\times 0.39 {\lambda }_{0}\times 0.01{\lambda }_{0}\) | 2.68–12.04 | 9.36 |
[36] | \(0.68 {\lambda }_{0}\times 0.67 {\lambda }_{0}\times 0.01{\lambda }_{0}\) | 4.0–8.0 | 4.0 |
Proposed work | \(0.44 {\lambda }_{0}\times 0.38 {\lambda }_{0}\times 0.02{\lambda }_{0}\) | 3.25–14.63 | 11.38 |