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Frequency Synchronization Using Two-Stage Diversity in OFDM-Based WLAN Systems
IEICE TRANSACTIONS on Communications
Publication Date: 2006/06/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
synchronization, diversity, OFDM, WLAN,
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Orthogonal frequency division multiplexing (OFDM) has been adopted in the physical layer of IEEE802.11a WLAN standard. In this letter, an efficient diversity scheme is presented for better frequency synchronization in the OFDM-based WLAN. The diversity scheme utilizes a two-stage approach to effectively enhance the performance of frequency synchronization. Simulation results indicate that using the algorithm, the performance can significantly be improved in 802.11a WLAN systems.