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Blind Receiver Distortion Compensation

Nopchinda, Dhecha; Eriksson, Thomas; Buisman, Koen; (2022) Blind Receiver Distortion Compensation. In: Proceedings of the 51st European Microwave Conference (EuMC) 2021. (pp. pp. 313-316). Institute of Electrical and Electronics Engineers (IEEE) Green open access

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A novel technique to compensate for the nonlinearity of a receiver (RX) is proposed and demonstrated experimentally. The adaptive technique is fully blind and does not require any prior knowledge of the transmitting signal. The technique has the capability to both characterize and compensate for the nonlinearity of the RX, making it suitable for implementations in both communication and instrumentation systems. For the former, two RXs operating simultaneously and an attenuator are required to enable real-time data transmission. For the latter, measurements using a single RX and an attenuator can be done instead. By utilizing the knowledge of the signals received at different input power levels, the proposed technique provides improvements to the RX linearity. The technique is demonstrated experimentally with an RF amplifier, where significant improvements quantified through multiple indicators, e.g., the adjacent channel power ratio, are observed.

Type: Proceedings paper
Title: Blind Receiver Distortion Compensation
Event: The 51st European Microwave Conference (EuMC)
Location: London, UK
Dates: 4th-6th April 2022
ISBN-13: 978-2-87487-063-7
Open access status: An open access version is available from UCL Discovery
DOI: 10.23919/eumc50147.2022.9784352
Publisher version: https://doi.org/10.23919/EuMC50147.2022.9784352
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher's terms and conditions.
Keywords: Blind equalizers, instrumentation and measurement, least squares approximation, nonlinear distortion, receivers, wireless communication
UCL classification: UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
UCL > Provost and Vice Provost Offices > UCL BEAMS
URI: https://discovery.ucl.ac.uk/id/eprint/10157530
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