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Journal Article
IR-UWB 패킷 기반의 Ranging 시스템을 위한 주파수 옵셋 추정기
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- Issue Date
- 2009-12
- Citation
- 한국통신학회논문지 A : 통신이론 및 시스템, v.34 no.12, pp.1184-1191
- ISSN
- 1226-4717
- Publisher
- 한국통신학회 (KICS)
- Language
- Korean
- Type
- Journal Article
- Project Code
- 09IC1100, Development of WBAN system for In-body and On-body, Lee Hyung Soo
- Abstract
- 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.