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Study on the Symbol Synchronization for OFDM Systems

YU Hong-mei

Abstract

Synchronization is a key problem for orthogonal frequency division multiplexing(OFDM) system. First, the ML(maximum likelihood, symbol synchronization algorithm based on cyclic prefix is analyzed. And then the symbol synchronization algorithm based on training frame is presented. Results of simulation and analysis show that, in compari-son with ML algorithm it is of better synchronization performance, and its performance is considerably raised especially in multipath channels.

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Available abstract

Key concepts: Cyclic prefix, Computer science, Orthogonal frequency-division multiplexing, Synchronization (alternating current), Symbol (formal), Frame synchronization, Key (lock), Algorithm