Table 2 NMSE of predistorted signals and time comparisons using different DPD methods
DPDs | NMSE (dB) | Time (us) |
|---|---|---|
Root-finding-based DPD | −∞ | 103.75 |
LUT-based DPD (size 30) | –34.18 | 9.63 |
LUT-based DPD (size 1000) | –65.39 | 11.38 |
LILUT-based DPD (size 10) | –61.20 | 20.75 |
LILUT-based DPD (size 30) | –81.59 | 21.38 |
QILUT-based DPD (size 10) | –75.93 | 71.25 |
QILUT-based DPD (size 20) | –94.89 | 72.88 |