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GI-Based Estimation of Integer Carrier Offset for Multicarrier Transmission Systems
Eu-Suk SHIM Hyoung-Kyu SONG Young-Hwan YOU
Publication
IEICE TRANSACTIONS on Communications
Vol.E89-B
No.12
pp.3430-3432 Publication Date: 2006/12/01 Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e89-b.12.3430 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Transmission Systems and Transmission Equipment for Communications Keyword: OFDM, guard interval, integer frequency offset, pilot symbol,
Full Text: PDF(114KB)>>
Summary:
In this letter, we focus on non-pilot-symbol assisted integer frequency offset estimation for multicarrier orthogonal frequency division multiplexing (OFDM) systems. We introduce a frequency offset estimator that is based on the guard interval (GI) present in OFDM signals. We show by simulation that the frequency offset estimator can accurately estimate the frequency misalignment at the sacrifice of limited estimation range.
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