Vorverzerrungssysteme für eine Bandbegrenzte Rückkopplung

Details

Veröffentlichungs-Nr.

EP4738702

Anmeldetag

14. Oktober 2025

Veröffentlichung

6. Mai 2026

Rechtsraum

EP

IPC

H03F1/32, H03F3/189, H03F3/24

Abstract

A digital pre-distortion achieving near ideal spectral regrowth suppression with a bandlimited loopback. To eliminate mismatch between the bandwidth of the pre-distortion model terms and the bandwidth of the signal used to determine the model a band limiting operation may be applied to both the loopback signal and the input to the power amplifier used for estimating the pre-distortion coefficients. In addition, oversampling may be performed in the digital domain to avoid aliasing in the nonlinear terms of the pre-distortion model.

Anmelder

Firma

Avago Technologies International Sales Pte. Limited

Land

🇸🇬 Singapur