DocumentCode :
171155
Title :
Single feedback loop-based digital predistortion for linearizing concurrent multi-band transmitters
Author :
Chao Yu ; Anding Zhu
Author_Institution :
RF & Microwave Res. Group, Univ. Coll. Dublin, Dublin, Ireland
fYear :
2014
fDate :
1-6 June 2014
Firstpage :
1
Lastpage :
3
Abstract :
In this paper, a single feedback loop-based digital predistortion (DPD) architecture with a related DPD method is proposed to linearize concurrent multi-band transmitters. In this new structure, a low-complexity DPD method has been developed to successfully extract nonlinear characteristics of power amplifiers by utilizing the captured output signals separated in both time and frequency domain. Experimental results showed that the proposed DPD architecture can significantly reduce the system cost in both feedback loop and model complexity.
Keywords :
linearisation techniques; nonlinear distortion; power amplifiers; radio transmitters; DPD architecture; concurrent multi-band transmitters; frequency domain; low-complexity DPD method; nonlinear characteristics; power amplifiers; single feedback loop-based digital predistortion; time domain; Aggregates; Data models; Frequency-domain analysis; Nonlinear distortion; Parameter extraction; Radio frequency; Digital predistortion; linearization; multi-band; power amplifiers;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Microwave Symposium (IMS), 2014 IEEE MTT-S International
Conference_Location :
Tampa, FL
Type :
conf
DOI :
10.1109/MWSYM.2014.6848374
Filename :
6848374
Link To Document :
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