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A Combined Synchronization Method for OFDM System

Lenan Wu

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Abstract

In this paper, a combined synchronization method for OFDM system is proposed. It provides good synchronization for frame, symbol, and carrier. Theoretical analysis is made for the above method. In the case of multipath fading channel, the simulation result shows that the method provides not only accurate carrier synchronization but also high-resolution symbol synchronization. Consequently, intersymbol interference (ISI) and interchannel interference (ICI) from symbol timing error and frequency offset are effectively reduced.

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What this paper is about

In this paper, a combined synchronization method for OFDM system is proposed. It provides good synchronization for frame, symbol, and carrier. Theoretical analysis is made for the above method. In the case of multipath fading channel, the simulation result shows that the method provides not only accurate carrier synchronization but also high-resolution symbol synchronization. Consequently, intersymbol interference (ISI) and interchannel interference (ICI) from symbol timing error and frequency offset are effectively reduced.

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Available abstract

In this paper, a combined synchronization method for OFDM system is proposed. It provides good synchronization for frame, symbol, and carrier. Theoretical analysis is made for the above method. In the case of multipath fading channel, the simulation result shows that the method provides not only accurate carrier synchronization but also high-resolution symbol synchronization. Consequently, intersymbol interference (ISI) and interchannel interference (ICI) from symbol timing error and frequency offset are effectively reduced.

Key concepts: Intersymbol interference, Orthogonal frequency-division multiplexing, Synchronization (alternating current), Computer science, Carrier frequency offset, Multipath propagation, Interference (communication), Fading

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