Three-Dimensional digital predistorter for concurrent tri-band power amplifier linearization

Author

Younes, M. ; Kwan, Andrew ; Rawat, Meenakshi ; Ghannouchi, Fadhel M.

Author_Institution

Dept. of Electr. & Comput. Eng., Univ. of Calgary, Calgary, AB, Canada

fYear

2013

fDate

2-7 June 2013

Firstpage

1

Lastpage

4

Abstract

This paper reports a novel digital predistortion (DPD) scheme for concurrent tri-band power amplifier (PA). The proposed three-dimensional tri-band DPD is based on the analysis of crosstalk between the fundamental frequencies, their harmonics and intermodulation products due to the nonlinearity exhibited by the tri-band PA. The DPD performance is validated using a broadband PA driven concurrently with LTE, WIMAX, and WCDMA signals centered at 2.14 GHz, 2.425 GHz, and 2.655 GHz, respectively.

Keywords

harmonic distortion; intermodulation distortion; microwave power amplifiers; DPD performance; LTE; WCDMA; WIMAX; concurrent tri-band power amplifier linearization; crosstalk; frequency 2.14 GHz; frequency 2.425 GHz; frequency 2.655 GHz; harmonics; intermodulation products; novel digital predistortion scheme; three-dimensional digital predistorter; tri-band PA; Frequency measurement; Frequency modulation; Multiaccess communication; Predistortion; WiMAX; digital predistortion; memory effects; memory polynomial; power amplifier; tri-band;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Symposium Digest (IMS), 2013 IEEE MTT-S International

Conference_Location

Seattle, WA

ISSN

0149-645X

Print_ISBN

978-1-4673-6177-4

Type

conf

DOI

10.1109/MWSYM.2013.6697635

Filename

6697635