Volume 4 Number 4 (Aug. 2012)
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IJCEE 2012 Vol.4(4): 550-553 ISSN: 1793-8163 DOI: 10.7763/IJCEE.2012.V4.555

A Cyclic Prefix based Extended QRD-RLS Algorithm using Block Householder Transformation for Adaptive Channel Estimation in Multicarrier Systems

Hassan Ali
Abstract—This paper proposes a new cyclic prefix (CP) based extended QR decomposition Recursive Least Squares (QRD-RLS) algorithm using block Householder transformation (HT) for adaptive channel estimation in multicarrier systems. The new method is computationally cheaper than CP exploiting correlation matrix based block RLS (CMB-RLS) adaptive channel estimation approach, and possesses desirable properties for systolic array implementation. Simulation results suggest that as compared to the CMB-RLS scheme, the new algorithm possesses superior steady state performance.

Index Terms—Adaptive channel estimation, cyclic prefix, extended QRD-RLS, block householder transformation.

Hassan Ali is with the School of Electrical Engineering and Computer Science, Faculty of Engineering and Built Environment, University of Newcastle, Australia (e-mail: hassan.ali@ newcastle.edu.au).

Cite: Hassan Ali, "A Cyclic Prefix based Extended QRD-RLS Algorithm using Block Householder Transformation for Adaptive Channel Estimation in Multicarrier Systems," International Journal of Computer and Electrical Engineering vol. 4, no. 4, pp. 550-553, 2012.

General Information

ISSN: 1793-8163
Frequency: Semiyearly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, Engineering & Technology Digital Library, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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