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Conferences > ACPC > 2014 > ATh1E > ATh1E.2

A Sensitivity Improvement Channel Estimation Algorithm for Direct Detection OQAM-OFDM Systems

Lu Zhang, Meihua Bi, Shilin Xiao, Ling Liu, and Bintao Hu

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Abstract

We propose and experimentally demonstrate a novel channel estimation algorithm based on the interference-approximation preamble structure and frequency-averaging scheme used in offset-QAM OFDM (OQAM-OFDM) system. The experimental results show that, in comparison with the traditional CE method, our scheme can achieve ~ 1.5dB sensitivity improvement.

© 2014 Optical Society of America

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