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IR-UWB 패킷 기반의 Ranging 시스템을 위한 주파수 옵셋 추정기
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- 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