Mobility

A Novel Joint Synchronization Algorithm for OFDM Systems Based on Single Training Symbol

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Executive Summary

The Park's method suffers from symbol timing ambiguity and small acquisition range for carrier frequency offset, and cannot estimate sampling frequency offset. To solve these problems, a new training symbol including virtual carriers is designed, and the corresponding joint synchronization algorithm for Orthogonal Frequency Division Multiplexing (OFDM) systems is proposed. In the proposed method, symbol synchronization and fractional frequency offset estimation are accomplished by utilizing the good correlation properties of the training symbol, and then integral frequency offset estimation is obtained by the position offset of virtual carriers.

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