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Symbol Timing Synchronization Algorithms for Wireless LAN Systems in Multipath Channels
Jooyeol YANG Kyungwhoon CHEUN Jeongchang KIM
Publication
IEICE TRANSACTIONS on Communications
Vol.E91-B
No.7
pp.2198-2204 Publication Date: 2008/07/01 Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e91-b.7.2198 Print ISSN: 0916-8516 Type of Manuscript: PAPER Category: Transmission Systems and Transmission Equipment for Communications Keyword: multipath channels, OFDM, synchronization, wireless LAN,
Full Text: PDF>>
Summary:
In this paper, efficient symbol timing synchronization algorithms for IEEE 802.11a/g wireless LAN systems in multipath channels are proposed. For improved accuracy, the algorithms utilize an effectively elongated training symbol together with nonlinear soft-limiting of the correlator output. The algorithms allow efficient utilization of the guard interval in multipath channels. Simulation results show that the proposed algorithms significantly outperform conventional algorithms.
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