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A Symbol Synchronization Algorithm With an Adaptive Threshold Establishment Method For OFDM Systems  

Song, Dong-Ho (Dept. of Electronic Engineering Kyungnam University)
Joo, Chang-Bok (Dept. of Electronic Engineering Kyungnam University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.40, no.6, 2003 , pp. 213-224 More about this Journal
Abstract
The proposed algorithm can always set up the optimal threshold value regardless of channel characteristics using an adaptive threshold establishment method that determines the threshold level according to channel noise power, and then it uses the specially designed training symbols that can make the algorithm's estimation performance be less sensitive to power delay profile variation in a multipath channel. In result, the estimation performance of the proposed technique is less affected by channel characteristic variation.
Keywords
OFDM; symbol synchronization; adaptive threshold establishment method; moving subtraction method; edge detection method;
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