Research Article
A Two-Step Identification Approach for Twin-Box Models of RF Power Amplifier
Table 2
Modeling performances of twin-box models for different PAs with one carrier WCDMA excitation.
| | NMSE [dB] of Wiener modeling | NMSE [dB] of Hammerstein modeling | NMSE [dB] of Wiener modeling with the method in [9] |
| Wiener PA |
−289.2
|
−49.1
|
−40.9
| Hammerstein PA |
−48.0
|
−92.1
|
−39.8
| W-H PA |
−49.1
|
−39.6
|
−39.1
| Mem. poly. PA |
−40.4
|
−40.0
|
−34.7
|
|
|