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Conference Paper: A 5 th-order analog predistorter for NADC system

TitleA 5 th-order analog predistorter for NADC system
Authors
Sun, XLCheung, SWYuk, TI
KeywordsAdjacent channel power ratio
Center frequency
Digital cellular
High power amplifier
In-band
Issue Date2010
PublisherIEEE.
Citation
The 12th IEEE International Conference on Communication Systems (ICCS 2010), Singapore, 17-19 November 2010. In Proceedings of 12th ICCS, 2010, p. 19-22 How to Cite?
DOI: http://dx.doi.org/10.1109/ICCS.2010.5686111
AbstractThis paper presents the design of a 5th-order analog predistorter using the inband intermodulation (IM) signals for predistortion of base-station high power amplifiers (HPAs) for the North American Digital Cellular (NADC) system. The predistorter employs two mixers with same configuration to generate 3rd-order intermodulation (IM3) products and 5th-order intermodulation (IM5) products, to suppress the 3 rd-and 5th-order intermodulation distortion products (IMDP3 and IMDP5) at the HPA output. The predistorter is implemented and tested using the pi/4-DQPSK signal of the NADC system at 2.2GHz in a practical 100W-HPA. The results show that, at the HPA output powers of 65.6, 56.2, 50 and 41.3 W, the predistorter can suppress the adjacent channel power ratio (ACPR) of the pi/4-DQPSK signal at ± 20 kHz from the center frequency by 15.16, 15.83, 16.17 and 15.17 dB, respectively. © 2010 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/140280
ISBN
978-1-4244-7006-8
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorSun, XLen_HK
dc.contributor.authorCheung, SWen_HK
dc.contributor.authorYuk, TIen_HK
dc.date.accessioned2011-09-23T06:09:32Z-
dc.date.available2011-09-23T06:09:32Z-
dc.date.issued2010en_HK
dc.identifier.citationThe 12th IEEE International Conference on Communication Systems (ICCS 2010), Singapore, 17-19 November 2010. In Proceedings of 12th ICCS, 2010, p. 19-22en_HK
dc.identifier.isbn978-1-4244-7006-8-
dc.identifier.urihttp://hdl.handle.net/10722/140280-
dc.description.abstractThis paper presents the design of a 5<sup>th</sup>-order analog predistorter using the inband intermodulation (IM) signals for predistortion of base-station high power amplifiers (HPAs) for the North American Digital Cellular (NADC) system. The predistorter employs two mixers with same configuration to generate 3<sup>rd</sup>-order intermodulation (IM3) products and 5<sup>th</sup>-order intermodulation (IM5) products, to suppress the 3 <sup>rd</sup>-and 5<sup>th</sup>-order intermodulation distortion products (IMDP3 and IMDP5) at the HPA output. The predistorter is implemented and tested using the pi/4-DQPSK signal of the NADC system at 2.2GHz in a practical 100W-HPA. The results show that, at the HPA output powers of 65.6, 56.2, 50 and 41.3 W, the predistorter can suppress the adjacent channel power ratio (ACPR) of the pi/4-DQPSK signal at ± 20 kHz from the center frequency by 15.16, 15.83, 16.17 and 15.17 dB, respectively. © 2010 IEEE.-
dc.languageengen_US
dc.publisherIEEE.-
dc.relation.ispartofProceedings of the IEEE International Conference on Communication Systems, ICCS 2010en_HK
dc.rights©2010 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.subjectAdjacent channel power ratio-
dc.subjectCenter frequency-
dc.subjectDigital cellular-
dc.subjectHigh power amplifier-
dc.subjectIn-band-
dc.titleA 5 th-order analog predistorter for NADC systemen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=978-1-4244-7006-8&volume=&spage=19&epage=22&date=2010&atitle=A+5th-order+analog+predistorter+for+NADC+system-
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.naturepublished_or_final_version-
dc.identifier.doi10.1109/ICCS.2010.5686111en_HK
dc.identifier.scopuseid_2-s2.0-79851484637en_HK
dc.identifier.hkuros195873en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79851484637&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.spage19en_HK
dc.identifier.epage22en_HK
dc.description.otherThe 12th IEEE International Conference on Communication Systems (ICCS 2010), Singapore, 17-19 November 2010. In Proceedings of 12th ICCS, 2010, p. 19-22-
dc.identifier.scopusauthoridSun, XL=36926307400en_HK
dc.identifier.scopusauthoridCheung, SW=7202472784en_HK
dc.identifier.scopusauthoridYuk, TI=6603685705en_HK

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