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An adaptive filtering algorithm for direct conversion receivers : architecture and performance analysis

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An adaptive filtering algorithm for direct conversion receivers : architecture and performance analysis

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dc.contributor.author Zheng, Yuanjin
dc.contributor.author Cao, Mingzheng
dc.contributor.author Teo, Edmund K. H.
dc.contributor.author Garg, Hari K.
dc.date.accessioned 2010-05-05T08:18:15Z
dc.date.available 2010-05-05T08:18:15Z
dc.date.copyright 2008
dc.date.issued 2010-05-05T08:18:15Z
dc.identifier.citation Zheng, Y., Cao, M., Teo, K. H., & Garg, H. K. (2008). An Adaptive Filtering Algorithm for Direct-Conversion Receivers: Architecture and Performance Analysis. IEEE Transactions on Circuits and Systems—I. 55(4), 1141-1148.
dc.identifier.issn 1549-8328
dc.identifier.uri http://hdl.handle.net/10220/6266
dc.description.abstract An adaptive filtering algorithm is proposed in this paper to remove I/Q mismatch, dc offsets, flicker noise, and intersymbol interference (ISI) simultaneously in a direct-conversion receiver. mismatch is cancelled by a real valued adaptive I/Q mismatch canceller, and dc offsets are removed with one complex tap. In addition, flicker noise is modeled as a complex autoregressive (AR) random process so the system to be identified transforms to an ARX model. After estimating the coefficients in the model during the training period, the desired signal can be estimated using the decision feedback method. To accelerate the convergence of the algorithm and to reduce the estimation variance, an internal iterative algorithm is introduced. The convergence analysis of the proposed algorithm is also given, and the closed form of the minimum mean square error of the proposed algorithm is derived. Simulation results are provided to verify the superior performance of the proposed algorithm.
dc.format.extent 8 p.
dc.language.iso en
dc.relation.ispartofseries IEEE transactions on circuits and systems—I
dc.rights © 2008 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. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. http://www.ieee.org/portal/site This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
dc.subject DRNTU::Engineering::Electrical and electronic engineering.
dc.title An adaptive filtering algorithm for direct conversion receivers : architecture and performance analysis
dc.type Journal Article
dc.contributor.school School of Electrical and Electronic Engineering
dc.identifier.doi http://dx.doi.org/10.1109/TCSI.2008.916419
dc.description.version Published version

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