New Training Sequence Structure for Zero-Padded SC-FDE System in Presence of Carrier Frequency Offset

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Executive Summary

Frequency Domain Equalization (FDE) is an attractive solution for wireless broadband transmission because of its strong capability in handling multipath environment. However, frequency domain channel estimation suffers from the Inter-Carrier Interference(ICI) caused by Carrier Frequency Offset (CFO). In this paper, the authors proposed new training sequence structure for channel estimation to reduce the estimation errors caused by residual CFO. The proposed new training sequence structure can be easily obtained from any existing channel training sequences without introducing significant changes to their original property.

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