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Study of the Power Amplifier transfer function symmetry and its relation to dynamic effects
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences, Electronics. Department of Signal Processing, KTH Royal Institute of Technology, Stockholm, Sweden .ORCID iD: 0000-0002-9352-0261
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences, Electronics. Department of Signal Processing, KTH Royal Institute of Technology, Stockholm, Sweden .ORCID iD: 0000-0001-8460-6509
Department of Signal Processing, KTH Royal Institute of Technology, Stockholm.
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences, Electronics.
2015 (English)In: 2015 IEEE 16th Annual Wireless and Microwave Technology Conference (WAMICON), IEEE conference proceedings, 2015, p. 1-6Conference paper, Published paper (Refereed)
Abstract [en]

Future wireless networks will employ unprecedentedly high number of transmitters along-with larger bandwidth signals. Therefore, complexity efficient Power Amplifier (PA) modelling methods with the ability to quantify memory effects are required. This paper presents a low complexity method to quantify memory effects by studying the symmetry in the PA transfer functions estimated with the density estimation method. It is shown that the symmetry helps in reducing the method complexity by more than two orders of magnitude. Further, it is verified that the symmetry can be used as a non-model based metric for quantifying memory effects in PAs. 

Place, publisher, year, edition, pages
IEEE conference proceedings, 2015. p. 1-6
Keywords [en]
Complex networks, Crystal symmetry, Dynamics, Microwave devices, Probability density function, Transfer functions, Amplifier models, Density estimation, Density estimation methods, Efficient power, Future wireless networks, Method complexity, Modelling method, Orders of magnitude, Power amplifiers
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:hig:diva-20422DOI: 10.1109/WAMICON.2015.7120407ISI: 000380567600059Scopus ID: 2-s2.0-84942626353ISBN: 978-1-4799-7521-1 (print)OAI: oai:DiVA.org:hig-20422DiVA, id: diva2:860921
Conference
16th IEEE Annual Wireless and Microwave Technology Conference, WAMICON 2015, 13-15 April 2015, Cocoa Beach, United States
Available from: 2015-10-14 Created: 2015-10-14 Last updated: 2018-11-26Bibliographically approved

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Khan, Zain AhmedZenteno, EfrainIsaksson, Magnus

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