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Estimation of OFDM Integer Frequency Offset over Rapidly Time-Varying Channels
Young-Hwan YOU Sung-Jin KANG Dae-Ki HONG Jang-Yeon LEE Jin-Woong CHO
Publication
IEICE TRANSACTIONS on Communications
Vol.E89-B
No.7
pp.2099-2101 Publication Date: 2006/07/01 Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e89-b.7.2099 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: OFDM, time-varying channel, integer frequency offset, pilot symbol,
Full Text: PDF(121.9KB)>>
Summary:
In this letter, we present a simple way of estimating the integer frequency offset of orthogonal frequency division multiplexing (OFDM) system over a rapidly time-varying channel. By utilizing the channel responses of neighboring subcarriers within one pilot symbol, the frequency offset estimator is derived. We show by simulation that the proposed estimator can accurately estimate the integer frequency offset with reduced computational burden.
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