Table 4 Parameters to analyze the link budget of the proposed WPT system.
\({{\textbf {T}}}_{{\textbf {x}}}\)-antenna characteristics | \({{\textbf {R}}}_{{\textbf {x}}}\)-antenna characteristics | ||
|---|---|---|---|
Frequency | 1.5 GHz | Frequency | 1.5 GHz |
Transmitted power (\({\text {P}}_{\text {t}}\)) | 30 dBm | Receiver gain (\({\text {G}}_{\text {r}}\)) | -26 dBi |
\({\text {T}}_{\text {x}}\) antenna gain (\({\text {G}}_{\text {t}}\)) | 1 dBi | Feeding loss | 0 dBm |
Feeding loss (\({\text {L}}_{\text {f}}\)) | 0 dBm | Radiation efficiency | 0.95 % |
EIRP (\({\text {P}}_{\text {t}}\) + \({\text {G}}_{\text {t}}\) - \({\text {L}}_{\text {f}}\)) | 31 dBm | Polarization loss | 0 dBm |
WPT-link budget characteristics | Power received (\({{\textbf {P}}}_{{\textbf {r}}}\)) | ||
|---|---|---|---|
Distance (cm) | 5 | \({\text {P}}_{\text {r}}\) at 2 cm | 13.5 dBm |
Cable loss (dBm) | 1 | \({\text {P}}_{\text {r}}\) at 3 cm | 12.5 dBm |
Path loss (dBm) | 1,2,3,4 | \({\text {P}}_{\text {r}}\) at 4 cm | 9.25 dBm |
Mismatch loss (dBm) | 0 | \({\text {P}}_{\text {r}}\) at 5 cm | 8.28 dBm |
