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Article: Predistortion of a 100-W base station high-power amplifiers

TitlePredistortion of a 100-W base station high-power amplifiers
Authors
Keywordsanalog predistortion
base-station high-power amplifier
intermodulation distortion product
intermodulation signal generator
Issue Date2011
PublisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/37176
Citation
Microwave And Optical Technology Letters, 2011, v. 53 n. 4, p. 861-867 How to Cite?
AbstractThis article presents the design of a fifth-order RF predistorter for use in a base-station high-power amplifier (HPA).The predistorter uses two intermodulation (IM) signal generators, with identical configuration, to individually generate the third- and fifth-order inband intermodulation (IM3 and IM5) signals for cancellation of the third- and fifth-order intermodulation distortion products (IMDP3 and IMDP5) at the output of the HPA. The IM signal generators are constructed using two Schottky diodes as non-linear devices to generate the inband IM3 and IM5 signals. The proposed predistorter is designed and optimized using computer simulation. A hardware prototype is built and tested in a practical 100-W HPA using a standard IS-95 CDMA signal at 2.2 GHz. Measured results show that the spectral regrowth of the signal at the HPA output can be significantly suppressed over a wide range of output power levels. © 2011 Wiley Periodicals, Inc.
Persistent Identifierhttp://hdl.handle.net/10722/139290
ISSN
2015 Impact Factor: 0.545
2015 SCImago Journal Rankings: 0.372
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorSun, XLen_HK
dc.contributor.authorCheung, SWen_HK
dc.contributor.authorYuk, TIen_HK
dc.date.accessioned2011-09-23T05:47:57Z-
dc.date.available2011-09-23T05:47:57Z-
dc.date.issued2011en_HK
dc.identifier.citationMicrowave And Optical Technology Letters, 2011, v. 53 n. 4, p. 861-867en_HK
dc.identifier.issn0895-2477en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139290-
dc.description.abstractThis article presents the design of a fifth-order RF predistorter for use in a base-station high-power amplifier (HPA).The predistorter uses two intermodulation (IM) signal generators, with identical configuration, to individually generate the third- and fifth-order inband intermodulation (IM3 and IM5) signals for cancellation of the third- and fifth-order intermodulation distortion products (IMDP3 and IMDP5) at the output of the HPA. The IM signal generators are constructed using two Schottky diodes as non-linear devices to generate the inband IM3 and IM5 signals. The proposed predistorter is designed and optimized using computer simulation. A hardware prototype is built and tested in a practical 100-W HPA using a standard IS-95 CDMA signal at 2.2 GHz. Measured results show that the spectral regrowth of the signal at the HPA output can be significantly suppressed over a wide range of output power levels. © 2011 Wiley Periodicals, Inc.-
dc.languageengen_US
dc.publisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/37176en_HK
dc.relation.ispartofMicrowave and Optical Technology Lettersen_HK
dc.rightsMicrowave & Optical Technology Letters. Copyright © John Wiley & Sons, Inc.-
dc.subjectanalog predistortionen_HK
dc.subjectbase-station high-power amplifieren_HK
dc.subjectintermodulation distortion producten_HK
dc.subjectintermodulation signal generatoren_HK
dc.titlePredistortion of a 100-W base station high-power amplifiersen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0895-2477&volume=53&issue=4&spage=861&epage=867&date=2011&atitle=Predistortion+of+a+100-W+base+station+high-power+amplifiers-
dc.identifier.emailCheung, SW:swcheung@eee.hku.hken_HK
dc.identifier.emailYuk, TI:tiyuk@eee.hku.hken_HK
dc.identifier.authorityCheung, SW=rp00102en_HK
dc.identifier.authorityYuk, TI=rp00210en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/mop.25855en_HK
dc.identifier.scopuseid_2-s2.0-79951997429en_HK
dc.identifier.hkuros195903en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79951997429&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume53en_HK
dc.identifier.issue4en_HK
dc.identifier.spage861en_HK
dc.identifier.epage867en_HK
dc.identifier.isiWOS:000288135100046-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridSun, XL=36926307400en_HK
dc.identifier.scopusauthoridCheung, SW=7202472784en_HK
dc.identifier.scopusauthoridYuk, TI=6603685705en_HK

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