2.50
Hdl Handle:
http://hdl.handle.net/10547/335930
Title:
Diode-based IQ imbalance estimation in direct conversion transmitters
Authors:
Xiong, Jian; Zhang, Yue ( 0000-0003-0017-1398 ) ; Li, Wei; Wang, Jin; Huang, Li-ke; Maple, Carsten
Abstract:
Direct conversion transmitters are widely used in wireless systems for their inherent features of being simple and low cost. In this architecture, the inphase (I branch) and quadrature signal (Q branch) will be unconverted to the RF frequency band by quadrature modulation. However, the drawback of the direct conversion architecture is that it is sensitive to IQ imbalance caused by the impairment of analogue devices in I and Q branches. It then results in interferences in mirror frequencies which degrades the signal quality. Therefore, the accurate measurement of IQ imbalance is crucial. A diode-based method to measure the broadband IQ imbalance is proposed which does not need additional measurement instruments. Measurement results show the effectiveness of this method
Affiliation:
University of Bedfordshire; Aeroflex, Stevenage; Shanghai Jiao Tong University
Citation:
Li, W., Zhang, Y., Wang, J., Huang, L., Xiong, J., Maple, C. (2014) 'Diode-based IQ imbalance estimation in direct conversion transmitters', Electronics Letters , 50(5): pp. 409-411
Publisher:
IEEE
Journal:
Electronics Letters
Issue Date:
Feb-2014
URI:
http://hdl.handle.net/10547/335930
DOI:
10.1049/el.2013.3819
Additional Links:
http://digital-library.theiet.org/content/journals/10.1049/el.2013.3819
Type:
Article
Language:
en
ISSN:
0013-5194; 1350-911X
Appears in Collections:
Centre for Computer Graphics and Visualisation (CCGV)

Full metadata record

DC FieldValue Language
dc.contributor.authorXiong, Jianen
dc.contributor.authorZhang, Yueen
dc.contributor.authorLi, Weien
dc.contributor.authorWang, Jinen
dc.contributor.authorHuang, Li-keen
dc.contributor.authorMaple, Carstenen
dc.date.accessioned2014-11-21T10:59:01Z-
dc.date.available2014-11-21T10:59:01Z-
dc.date.issued2014-02-
dc.identifier.citationLi, W., Zhang, Y., Wang, J., Huang, L., Xiong, J., Maple, C. (2014) 'Diode-based IQ imbalance estimation in direct conversion transmitters', Electronics Letters , 50(5): pp. 409-411en
dc.identifier.issn0013-5194-
dc.identifier.issn1350-911X-
dc.identifier.doi10.1049/el.2013.3819-
dc.identifier.urihttp://hdl.handle.net/10547/335930-
dc.description.abstractDirect conversion transmitters are widely used in wireless systems for their inherent features of being simple and low cost. In this architecture, the inphase (I branch) and quadrature signal (Q branch) will be unconverted to the RF frequency band by quadrature modulation. However, the drawback of the direct conversion architecture is that it is sensitive to IQ imbalance caused by the impairment of analogue devices in I and Q branches. It then results in interferences in mirror frequencies which degrades the signal quality. Therefore, the accurate measurement of IQ imbalance is crucial. A diode-based method to measure the broadband IQ imbalance is proposed which does not need additional measurement instruments. Measurement results show the effectiveness of this methoden
dc.language.isoenen
dc.publisherIEEEen
dc.relation.urlhttp://digital-library.theiet.org/content/journals/10.1049/el.2013.3819en
dc.rightsArchived with thanks to Electronics Lettersen
dc.subjectradar signal processingen
dc.subjectradar transmittersen
dc.subjectdirect conversion architectureen
dc.titleDiode-based IQ imbalance estimation in direct conversion transmittersen
dc.typeArticleen
dc.contributor.departmentUniversity of Bedfordshireen
dc.contributor.departmentAeroflex, Stevenageen
dc.contributor.departmentShanghai Jiao Tong Universityen
dc.identifier.journalElectronics Lettersen
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