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학술대회 Preamble Generation Method to Improve Timing Estimation for OFDM System Using Training Sequence
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저자
김병학, 이상재, 이승식, 최상성
발행일
201501
출처
International Conference on Consumer Electronics (ICCE) 2015, pp.142-143
DOI
https://dx.doi.org/10.1109/ICCE.2015.7066355
협약과제
14PC3500, 스마트그리드 무선통신 인프라 및 응용기술 개발, 최상성
초록
A novel preamble structure is proposed for a timing estimation for orthogonal frequency division multiplexing (OFDM) systems such as the IEEE 802.11 and the IEEE 802.15.4g/4m. The boundary estimation becomes easy because of the outstanding correlation property between the short training sequence (STS) and the proposed long training sequence (LTS). The proposed method can be applied to OFDM systems which use STS and LTS preamble structures. The proposed LTS scheme considerably improves the performance of timing estimation in comparison with the method of using legacy LTS. This method has been applied to the IEEE 802.15.4m standard.
KSP 제안 키워드
Correlation property, IEEE 802.11, IEEE 802.15.4g, OFDM systems, Orthogonal frequency division Multiplexing(OFDM), Timing estimation, boundary estimation, training sequence(TS)