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Multi-tone design for out-of-band characterization of nonlinear RF modules using harmonic sampling
University of Gävle, Center for RF Measurement Technologies. University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences. (Center for RF Measurement Technologies)ORCID iD: 0000-0001-5429-7223
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences. Signal Processing Lab, Royal Institute of Technology, Stockholm, Sweden.
Signal Processing Lab, Royal Institute of Technology, Stockholm, Sweden.
2010 (English)In: 2010 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2010: Proceedings, Piscataway, NJ: IEEE Service Center , 2010, 620-623 p., 5488231Conference paper, Published paper (Refereed)
Abstract [en]

In this paper we evaluate the generation of a multi-tone set for characterizing the behavior of nonlinear radio frequency (RF) modules in its out-of-band when harmonic sampling is used as digitizer. The purpose is to provide the reader with a tool to select proper frequencies and record length for a given application and test-bed. The method is based on simulations and the use of Sidon sequences. The proposed method is applicable to sparse discrete frequency multi-tones.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Service Center , 2010. 620-623 p., 5488231
Series
IEEE Instrumentation and Measurement Technology Conference, ISSN 1091-5281
Keyword [en]
Harmonic sampling, power amplifiers, out-of-band errors, radio frequency measurement systems.
National Category
Control Engineering Signal Processing Telecommunications
Identifiers
URN: urn:nbn:se:hig:diva-6380DOI: 10.1109/IMTC.2010.5488231ISI: 000287997200120Scopus ID: 2-s2.0-77957831915ISBN: 978-1-4244-2833-5 (print)ISBN: 978-1-4244-2832-8 (print)OAI: oai:DiVA.org:hig-6380DiVA: diva2:293607
Conference
International Instrumentation and Measurement Technology Conference (I2MTC), 3-6 May 2010, Austin, Texas
Projects
KKS SDM
Available from: 2010-02-12 Created: 2010-02-12 Last updated: 2016-08-10Bibliographically approved
In thesis
1. Enhancing Radio Frequency System Performance by Digital Signal Processing
Open this publication in new window or tab >>Enhancing Radio Frequency System Performance by Digital Signal Processing
2010 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

In this thesis measurement systems for the purpose of characterization of radio frequency power amplifiers are studied. Methods to increase the speed, accuracy, bandwidth, as well as to reduce the sampling requirements and testing cost are presented. A method intended for signal shaping with respect to peak to-average ratio reduction and its effects-improvements on the radio frequency front-end performance is investigated.

A time domain measurement system intended for fast and accurate measurements and characterization of radio frequency power amplifiers is discussed. An automated, fast and accurate technique for power and frequency sweep measurements is presented. Multidimensional representation of measured figure of merits is evaluated for its importance on the production-testing phase of power amplifiers.

A technique to extend the digital bandwidth of a measurement system is discussed. It is based on the Zhu-Frank generalized sampling theorem which decreases the requirements on the sampling rate of the measurement system. Its application for power amplifiers behavioral modeling is discussed and evaluated experimentally.

A general method for designing multitone for the purpose of out-of-band characterization of nonlinear radio frequency modules using harmonic sampling is presented. It has an application with the validation of power amplifiers behavioral models in their out-of-band frequency spectral support when extracted from undersampled data.

A method for unfolding the frequency spectrum of undersampled wideband signals is presented. It is of high relevance to state-of-the-art radio frequency measurement systems which capture repetitive waveform based on a sampling rate that violates the Nyquist constraint. The method is presented in a compact form, it eliminates ambiguities caused by folded frequency spectra standing outside the Nyquist band, and is relevant for calibration matters.

A convex optimization reduction-based method of peaks-to-average ratio of orthogonal frequency division multiplexing signals is presented and experimentally validated for a wireless local area network system. Improvements on the radio frequency power amplifier level are investigated with respect to power added efficiency, output power, in-band and out-of-band errors. The influence of the power distribution in the excitation signal on power amplifier performance was evaluated.

Place, publisher, year, edition, pages
Stockholm: Skolan för elektro- och systemteknik, Kungliga Tekniska högskolan, 2010. 90 p.
Series
TRITA-EE 2010:030, ISSN 1653-5146
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:hig:diva-7312 (URN)
Presentation
2010-08-20, Hörsal 99131, Kungsbäcksvägen 47, Gävle, 10:00 (English)
Opponent
Supervisors
Available from: 2010-08-18 Created: 2010-08-09 Last updated: 2010-08-18Bibliographically approved

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Citation style
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Language
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  • nn-NB
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  • Other locale
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Output format
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