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dc.contributor.authorHsieh, MHen_US
dc.contributor.authorWei, CHen_US
dc.date.accessioned2014-12-08T15:46:14Z-
dc.date.available2014-12-08T15:46:14Z-
dc.date.issued1999-09-01en_US
dc.identifier.issn0018-9545en_US
dc.identifier.urihttp://dx.doi.org/10.1109/25.790537en_US
dc.identifier.urihttp://hdl.handle.net/11536/31099-
dc.description.abstractdThis paper presents a fast low-complexity synchronization scheme for orthogonal frequency division multiplexing (OFDM) systems over fading channels. By utilizing the guard interval in OFDM signals, the Frame synchronization and the frequency offset estimation are considered simultaneously. The Implementation can be simplified by only using the sign bits of the in-phase and the quadrature components of the received OFDM signal for frame synchronization and frequency offset compensation. A frequency-offset independent frame synchronization algorithm is derived, and a low-complexity frequency offset estimator based on the synchronized correlator output is presented in this paper. Due to the subcarrier ambiguity in the guard-interval-based (GIB) frequency detector, the maximum correctable frequency range is limited to +/- 1/2 of the subcarrier spacing. In this paper, we also present a new frequency acquisition scheme that can solve the subcarrier ambiguity problem and extend the frequency acquisition range to nearly a half of the useful OFDM signal bandwidth.en_US
dc.language.isoen_USen_US
dc.subjectframe synchronizationen_US
dc.subjectfrequency offset compensationen_US
dc.subjectlow-complexity algorithmsen_US
dc.subjectOFDMen_US
dc.titleA low-complexity frame synchronization and frequency offset compensation scheme for OFDM systems over fading channelsen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/25.790537en_US
dc.identifier.journalIEEE TRANSACTIONS ON VEHICULAR TECHNOLOGYen_US
dc.citation.volume48en_US
dc.citation.issue5en_US
dc.citation.spage1596en_US
dc.citation.epage1609en_US
dc.contributor.department電子工程學系及電子研究所zh_TW
dc.contributor.departmentDepartment of Electronics Engineering and Institute of Electronicsen_US
dc.identifier.wosnumberWOS:000082645700029-
dc.citation.woscount81-
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