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Symbol Timing Synchronization Algorithms for Wireless LAN Systems in Multipath Channels
Jooyeol YANG Kyungwhoon CHEUN Jeongchang KIM
IEICE TRANSACTIONS on Communications
Publication Date: 2008/07/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Transmission Systems and Transmission Equipment for Communications
multipath channels, OFDM, synchronization, wireless LAN,
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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.