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Conference Paper: Iterative correction of frequency response mismatches in time-interleaved ADCs: A novel framework and case study in OFDM systems

TitleIterative correction of frequency response mismatches in time-interleaved ADCs: A novel framework and case study in OFDM systems
Authors
KeywordsFarrow structures
Frequency response mismatch
Iterative methods
OFDM
Time-interleaved analog-to-digital converters
Variable digital filters
Issue Date2010
PublisherIEEE.
Citation
The 1st International Conference on Green Circuits and Systems (ICGCS 2010), Shanghai, China, 21-23 June 2010. In Proceedings of the 1st ICGCS, 2010, p. 253-258 How to Cite?
AbstractIn this paper, we study a versatile iterative framework for the correction of frequency response mismatch in time-interleaved ADCs. Based on a general time varying linear system model, we establish a flexible iterative framework, which enables the development of various efficient iterative correction algorithms. In particular, we study the Gauss-Seidel iteration in detail to illustrate how the correction problem can be solved iteratively, and show that the iterative structure can be efficiently implemented using Farrow-based variable digital filters with few general-purpose multipliers. Simulation results show that the proposed iterative structure performs better than conventional compensation structures. Moreover, a preliminary study on the BER performance of OFDM systems due to TI ADC mismatch is conducted. © 2010 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/129650
ISBN
References

 

DC FieldValueLanguage
dc.contributor.authorTsui, KMen_HK
dc.contributor.authorChan, SCen_HK
dc.date.accessioned2010-12-23T08:40:42Z-
dc.date.available2010-12-23T08:40:42Z-
dc.date.issued2010en_HK
dc.identifier.citationThe 1st International Conference on Green Circuits and Systems (ICGCS 2010), Shanghai, China, 21-23 June 2010. In Proceedings of the 1st ICGCS, 2010, p. 253-258en_HK
dc.identifier.isbn978-1-4244-6876-8-
dc.identifier.urihttp://hdl.handle.net/10722/129650-
dc.description.abstractIn this paper, we study a versatile iterative framework for the correction of frequency response mismatch in time-interleaved ADCs. Based on a general time varying linear system model, we establish a flexible iterative framework, which enables the development of various efficient iterative correction algorithms. In particular, we study the Gauss-Seidel iteration in detail to illustrate how the correction problem can be solved iteratively, and show that the iterative structure can be efficiently implemented using Farrow-based variable digital filters with few general-purpose multipliers. Simulation results show that the proposed iterative structure performs better than conventional compensation structures. Moreover, a preliminary study on the BER performance of OFDM systems due to TI ADC mismatch is conducted. © 2010 IEEE.en_HK
dc.languageengen_US
dc.publisherIEEE.-
dc.relation.ispartofProceedings of the International Conference on Green Circuits and Systems, ICGCS 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.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectFarrow structuresen_HK
dc.subjectFrequency response mismatchen_HK
dc.subjectIterative methodsen_HK
dc.subjectOFDMen_HK
dc.subjectTime-interleaved analog-to-digital convertersen_HK
dc.subjectVariable digital filtersen_HK
dc.titleIterative correction of frequency response mismatches in time-interleaved ADCs: A novel framework and case study in OFDM systemsen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=978-1-4244-6876-8&volume=&spage=253&epage=258&date=2010&atitle=Iterative+correction+of+frequency+response+mismatches+in+time-interleaved+ADCs:+A+novel+framework+and+case+study+in+OFDM+systems-
dc.identifier.emailTsui, KM:kmtsui@eee.hku.hken_HK
dc.identifier.emailChan, SC:scchan@eee.hku.hken_HK
dc.identifier.authorityTsui, KM=rp00181en_HK
dc.identifier.authorityChan, SC=rp00094en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/ICGCS.2010.5543057en_HK
dc.identifier.scopuseid_2-s2.0-77956592028en_HK
dc.identifier.hkuros177337en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77956592028&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.spage253en_HK
dc.identifier.epage258en_HK
dc.description.otherThe 1st International Conference on Green Circuits and Systems (ICGCS 2010), Shanghai, China, 21-23 June 2010. In Proceedings of the 1st ICGCS, 2010, p. 253-258-
dc.identifier.scopusauthoridTsui, KM=7101671591en_HK
dc.identifier.scopusauthoridChan, SC=13310287100en_HK

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