Concurrent Dual-Band Digital Predistortion With a Single Feedback Loop

This paper proposes a compact and low-cost architecture with only a single feedback loop to implement concurrent dual-band digital predistortion (DPD) of power amplifiers (PAs). This technique is based on a new approach, down-converted carrier co-location (DC 3 ), in conjunction with a 2-D carrier c...

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Veröffentlicht in:	IEEE transactions on microwave theory and techniques 2015-05, Vol.63 (5), p.1556-1568
Hauptverfasser:	Youjiang Liu, Yan, Jonmei J., Asbeck, Peter M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplifiers Architecture Bands Baseband Behavioral model Broadband carrier co-location ( {\rm DC}^{3} ) Carriers Computer architecture concurrent dual-band Delays Digital digital predistortion (DPD) down-conversion Dual band Feedback loop Feedback loops Gallium nitrides Mixers Polynomials power amplifiers (PAs) Transmitters
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