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IEICE TRANSACTIONS on Fundamentals

Blind Carrier Frequency Offset Estimation Based on Polynomial Rooting for Interleaved Uplink OFDMA

Ann-Chen CHANG, Chih-Chang SHEN

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Summary :

This letter deals with blind carrier frequency offset estimation by exploiting the minimum variance distortionless response (MVDR) criterion for interleaved uplink orthogonal frequency division multiple access (OFDMA). It has been shown that the complexity and estimation accuracy of MVDR strictly depend on the grid size used during the search. For the purpose of efficient estimation, we present an improved polynomial rooting estimator that is robust in low signal-to-noise ratio scenario. Simulation results are provided for illustrating the effectiveness of the proposed estimator.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E96-A No.10 pp.2057-2060
Publication Date
2013/10/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E96.A.2057
Type of Manuscript
LETTER
Category
Communication Theory and Signals

Authors

Ann-Chen CHANG
  Ling Tung University
Chih-Chang SHEN
  Ling Tung University

Keyword