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- Zenteno, EfrainHögskolan i Gävle,KTH,Signalbehandling,Elektronik,ACCESS Linnaeus Centre, Department of Signal Processing, KTH Royal Institute of Technology, Stockholm (author)
Combating the Dimensionality of Nonlinear MIMO Amplifier Predistortion by Basis Pursuit
- Article/chapterEnglish2014
Publisher, publication year, extent ...
- 2014
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-154563
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-154563URI
- https://doi.org/10.1109/EuMC.2014.6986564DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-17716URI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- QC 20141117
- A general description of nonlinear dynamic MIMOsystems, given by Volterra series, has significantly larger complex-ity than SISO systems. Modeling and predistortion of MIMOamplifiers consequently become unfeasible due to the largenumber of basis functions. We have designed digital predistortersfor a MIMO amplifier using a basis pursuit method for reducingmodel complexity. This method reduces the numerical problemsthat appear in MIMO Volterra predistorters due to the largenumber of basis functions. The number of basis functions wasreduced from 1402 to 220 in a 2x2 MIMO amplifier and from127 to 13 in the corresponding SISO case. Reducing the numberof basis functions caused an increase of approximately 1 dB ofmodel error and adjacent channel power ratio.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering hsv//eng
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Kommunikationssystem hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Communication Systems hsv//eng
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Signalbehandling hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Signal Processing hsv//eng
- Digital pre distortion (DPD)
- MIMO power ampli- fiers
- LASSO
- basis pursuit
- power amplifier linearization.
- Electrical Engineering
- Elektro- och systemteknik
Added entries (persons, corporate bodies, meetings, titles ...)
- Amin, ShoaibHögskolan i Gävle,KTH,Signalbehandling,Elektronik,ACCESS Linnaeus Centre, Department of Signal Processing, KTH Royal Institute of Technology, Stockholm(Swepub:hig)shbamn (author)
- Isaksson, MagnusHögskolan i Gävle,Elektronik(Swepub:hig)min (author)
- Händel, PeterKTH,Signalbehandling,ACCESS Linnaeus Centre, Department of Signal Processing, KTH Royal Institute of Technology, Stockholm(Swepub:kth)u1htctiy (author)
- Rönnow, DanielHögskolan i Gävle,Elektronik(Swepub:hig)dalrow (author)
- KTHSignalbehandling (creator_code:org_t)
Related titles
- In:Proceedings of the 44th European Microwave Conference, s. 833-836
Internet link
- https://kth.diva-portal.org/smash/get/diva2:757766/FULLTEXT01.pdffulltext:postprint
- https://hig.diva-portal.org/smash/get/diva2:757781/FULLTEXT01.pdffulltext:postprint
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-154563
- https://doi.org/10.1109/EuMC.2014.6986564
- https://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-17716
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