Abstract
The adaptive digital predistortion is currently widely used to compensate for the nonlinearities. Usually the observing (feedback) path of the predistorter is required to be very accurate. That means it is compensated for any radio frequency front-end imperfections. In this paper we demonstrate that recently proposed (real-valued) digital predistortion algorithm employing only one of the signals in the quadrature pair implies the reduced sensitivity of the predistorter adaptation to the I/Q modulator imbalance in the feedback path. The lower sensitivity is demonstrated using both simulation as well as by an experiment conducted using the mm-Wave setup with integrated direct-conversion transceiver with important imbalances in both transmitting (Tx) as well as in receiving (Rx) path.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
