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A Symbol Synchronization Detection by Difference Method for OFDM Systems  

Joo Chang-Bok (Dept. of Electronic Engineering, Kyungnam Univ.)
Park Nam-Chun (Dept. of Electronic Engineering, Kyungnam Univ.)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.43, no.2, 2006 , pp. 56-65 More about this Journal
Abstract
In this paper, we introduce modified difference type symbol timing detection method of simple structure and show the relations between S/N ratio and timing detection performance which less influenced by multipath channel delay profile and added noise level and it show very exact GI detection performance characteristics. In the computer simulations, 4 symbol time duration of short and long training of IEEE802.11a standard OFDM frame are used for symbol synchronization timing detection. The computer simulation results show the very exact symbol timing detection performance characteristic within 1 sample error of OFDM signal regardless channel delay profile from minimn phase channels of phase rotation ${\pi}/2$ to non-minimum phase channels of phase rotation ${\pi}/2$ of received OFDM signal and added noise level in channel.
Keywords
OFDM; symbol synchronization; multipath delay profile; non-minimum phase channel; phase rotation;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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