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