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Digital predistortion for multiple antenna transmitter, Schriftenreihe Advances in Mechatronics, Band 30Padmanabhan · alle anzeigen

Digital predistortion for multiple antenna transmitter, Schriftenreihe Advances in Mechatronics, Band 30

Neuerscheinung
114 Seiten, 17 x 24 cm, broschiert
1. Auflage 2015

ISBN 978-3-99033-519-2
Art. Nr. 20190301
per E-Mail weiterleiten
 
EUR 18,50
inkl. USt. zzgl. Versandkosten
In den Warenkorb


At the transmit side of a MIMO communication system, RF cross-talk which occur before the PAs between the different paths which are integrated on the same chip-set adversely affects the performance of conventional DPD techniques.
 
A cross-over predistortion (CO-DPD) compensates the cross-talk and non-linearity of the PAs jointly and improves the quality of predistortion significantly compared to the conventional DPD. However, CO-DPD becomes a problematic choice when the number of transmit paths is large because its computational complexity increases quadratically with the number of transmit paths.
 
We present a computationally simpler cross-talk cancelling predistorter (CTC-DPD) which compensates the cross-talk and PA non-linearity separately. The focus of this dissertation is the parameter identification, linearization performance and computational complexity of CO-DPD and CTC-DPD.