Digital Predistortion for Dual-Input Doherty Amplifiers
Paper i proceeding, 2012

This paper presents a digital predistortion technique for dual-input Doherty power amplifiers. The proposed technique utilizes both RF inputs of the main and peak amplifiers in the digital predistorter. The effectiveness of the resulting dual-input predistorter is evaluated on a twoway Doherty amplifier operating at 2.14 GHz with 53.5 dBm peak output power. The experimental results demonstrate that the dual-input approach outperforms the conventional single-input predistortion technique by ∼3 dB in terms of adjacent channel leakage ratio.

Författare

Haiying Cao

Chalmers, Mikroteknologi och nanovetenskap (MC2), Mikrovågselektronik

GigaHertz Centrum

Jawad Qureshi

Delft Institute of Microelectronics and Submicrontechnology - DIMES

Thomas Eriksson

Chalmers, Signaler och system, Kommunikationssystem, informationsteori och antenner, Kommunikationssystem

GigaHertz Centrum

Christian Fager

GigaHertz Centrum

Chalmers, Mikroteknologi och nanovetenskap (MC2), Mikrovågselektronik

Leo de Vreede

Delft Institute of Microelectronics and Submicrontechnology - DIMES

RWW 2012 - Proceedings. 2012 IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications, PAWR 2012. Santa Clara, CA, 15-18 January 2012

45-48 6174934

Styrkeområden

Informations- och kommunikationsteknik

Ämneskategorier

Elektroteknik och elektronik

DOI

10.1109/PAWR.2012.6174934

ISBN

978-145771154-1

Mer information

Skapat

2017-10-07