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2006•2006 8th International Conference Advanced Communication TechnologyRequires access

A Novel Frequency Offset Estimation Scheme Using Coherence Phase Bandwidth and Threshold for OFDM Systems

Sanghun Kim, Seokho Yoon, Sun Yong Kim

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Abstract

We first investigate the effect of the timing offset on the frequency offset estimation in orthogonal frequency division multiplexing (OFDM) systems. Then, we propose an efficient frequency offset estimation scheme using the coherence phase bandwidth (CPB) and a threshold in the presence of the timing offset. The numerical results demonstrate that the proposed scheme has lower computational complexity compared with the conventional schemes and performs robust operation in the presence of the timing offset

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What this paper is about

We first investigate the effect of the timing offset on the frequency offset estimation in orthogonal frequency division multiplexing (OFDM) systems. Then, we propose an efficient frequency offset estimation scheme using the coherence phase bandwidth (CPB) and a threshold in the presence of the timing offset. The numerical results demonstrate that the proposed scheme has lower computational complexity compared with the conventional schemes and performs robust operation in the presence of the timing offset

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Available abstract

We first investigate the effect of the timing offset on the frequency offset estimation in orthogonal frequency division multiplexing (OFDM) systems. Then, we propose an efficient frequency offset estimation scheme using the coherence phase bandwidth (CPB) and a threshold in the presence of the timing offset. The numerical results demonstrate that the proposed scheme has lower computational complexity compared with the conventional schemes and performs robust operation in the presence of the timing offset

Key concepts: Orthogonal frequency-division multiplexing, Frequency offset, Offset (computer science), Computer science, Coherence bandwidth, Carrier frequency offset, Electronic engineering, Bandwidth (computing)

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