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IEEE 802.15.4a CSS PHY를 이용한 환경기반 거리측정오차 보정 기법

Title
IEEE 802.15.4a CSS PHY를 이용한 환경기반 거리측정오차 보정 기법
Translated Title
Environment-Based Ranging Error Correction Technique Using IEEE 802.15.4a CSS PHY
Authors
남영진남민석박영균이동하강진규이상철
DGIST Authors
이동하; 강진규이상철
Issue Date
2009-12
Citation
대한임베디드공학회논문지, 4(4), 148-155
Type
Article
Keywords
Wireless sensor networkRangingChirp spread spectrumError correctionWireless sensor networkRangingChirp spread spectrumError correction
ISSN
1975-5066
Abstract
Precise localization heavily relies on the accuracy of its underlying ranging technique. It has been known that the Chirp Spread Spectrum (CSS) defined in the IEEE 802.15.4a provides more dependable ranging accuracy than the Received Signal Strength Indicator (RSSI) in the IEEE 802.15.4. This paper examines the accuracy of the CSS-based ranging technique in the indoor/outdoor environments and discovers its consistent inaccuracy in different environments. Next, it proposes an error-correction architecture for the CSS-based ranging technique that exploits the per-environment consistent inaccuracy information and user visiting patterns (represented by weights for each environment).
URI
http://hdl.handle.net/20.500.11750/5726
Publisher
대한임베디드공학회
Related Researcher
Files:
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Collection:
Convergence Research Center for Wellness1. Journal Articles
Convergence Research Center for Solar Energy1. Journal Articles
Convergence Research Center for Future Automotive Technology1. Journal Articles


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