Efficient Blind Estimation of MC-CDMA Carrier Frequency Offset

Ann-Chen CHANG  Chun HSU  Ing-Jiunn SU  

Publication
IEICE TRANSACTIONS on Communications   Vol.E91-B   No.9   pp.3004-3008
Publication Date: 2008/09/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e91-b.9.3004
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
MC-CDMA,  carrier frequency offset,  minimum variance distortionless response,  virtual carrier-plus-noise subspace,  

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Summary: 
This letter presents an efficient blind carrier frequency offset (CFO) estimate approach for multicarrier-code division multiple access (MC-CDMA) system. It can reduce the searching grids required and improve the CFO estimating accuracy compared with conventional searching-based algorithms. Simulation results are provided for illustrating the effectiveness of the proposed blind estimate approach.