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학술지 IR-UWB 패킷 기반의 Ranging 시스템을 위한 주파수 옵셋 추정기
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저자
오미경, 김재영, 이형수
발행일
200912
출처
한국통신학회논문지 A : 통신이론 및 시스템, v.34 no.12, pp.1184-1191
ISSN
1226-4717
출판사
한국통신학회 (KICS)
협약과제
09IC1100, WBAN In-body 시스템 및 On-body 시스템 개발 (표준화연계), 이형수
초록
We aim at frequency offset estimation for IEEE 802.15.4a ranging systems, where an impulse-radio ultra-wideband (IR-UWB) signal is exploited, By incorporating the property of the ternary code in the preamble, we derive a simplified maximum-likelihood (ML) estimation of the frequency offset. In addition, a closed form estimator for implementation is investigated. Simulation results and theoretical analysis verify our estimators in IEEE 802.15.4a IR-UWB packet-based ranging systems.
KSP 제안 키워드
Frequency Offset Estimation, IEEE 802.15.4a, Impulse Radio Ultra-Wideband(IR-UWB), Impulse radio(IR), Maximum likelihood (ML) estimation, Theoretical Analysis, Ultra-Wide Band(UWB), closed-form, simulation results