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학술지 Low-Complexity Frame Synchronisation Method for IEEE 802.15.4 Systems
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저자
송순용, 여건민, 이용태, 류원, 김영일
발행일
201411
출처
Electronics Letters, v.50 no.23, pp.1761-1762
ISSN
0013-5194
출판사
IET
DOI
https://dx.doi.org/10.1049/el.2014.2825
초록
A low-complexity frame synchronisation method for IEEE 802.15.4 systems is proposed. An autocorrelation function is utilised for reducing computational complexity for fine timing estimation instead of a cross-correlation function. To provide accurate estimation results, residual errors are compensated in the step of detecting start-of-frame delimiter symbols. The complexity of the proposed method for fine timing estimation is <1/4 compared with the conventional cross-correlation-based algorithm.
KSP 제안 키워드
Computational complexity, Correlation-based, IEEE 802.15.4, Residual error, Timing estimation, accurate estimation, auto-correlation function(ACF), cross-correlation function(CCF), low-complexity