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A Novel Timing Estimation Method for Chirp-Based Systems Sanghun YOON Dae-Gun OH Jong-Wha CHONG Tae Moon ROH Jong-Kee KWON Jongdae KIM Publication IEICE TRANSACTIONS on Communications Vol.E94-B No.12 pp.3607-3609 Publication Date: 2011/12/01 Online ISSN: 1745-1345 DOI: 10.1587/transcom.E94.B.3607 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: timing offset estimation, frequency offset, chirp, Full Text: PDF(156.9KB)>>
Summary: In this letter, we present a novel timing offset estimation method for chirp-based communication systems which is robust against frequency offset. For robust timing offset estimation, we propose a partial cross-correlation and differential multiplication method using up and down chirp symbols. The performances of the proposed estimator in indoor multipath channel model provided by IEEE 802.15.4a standard are presented in terms of mean-square error (MSE) obtained by computer simulation. The simulation results show that the proposed estimator has a significantly smaller MSE than the conventional estimators. | |||||
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