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논문 기본 정보

자료유형
학술저널
저자정보
Yang-Ick Joo (Korea Maritime & Ocean University)
저널정보
한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제45권 제4호
발행연도
2021.8
수록면
218 - 221 (4page)

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초록· 키워드

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A public warning system (PWS) notifies all the user equipment (UE) in a specific area about a disaster, such as an earthquake or a tsunami, through the earthquake and tsunami warning system (ETWS) or the commercial mobile alert service (CMAS) messages of 3rd generation partnership project (3GPP) evolved-universal terrestrial radio access network (E-UTRAN) systems. In an emergency situation such as a natural disaster, special system information blocks (SIBs) that contain warning information are broadcasted by 3GPP E-UTRANs. The E-UTRAN sends paging messages to notify about the warning information and to enable UE in the area to decode the SIBs and display the warning information on the screen. In such situations, public safety services should be provided for a sufficient time to ensure safety in an energy-efficient manner. However, conventional commercial networks do not support the energy-efficient operation of UE during an emergency. Therefore, in this paper, an energy-efficient transceiving scheme that uses the last serial number notification of warning messages is proposed. The performance of the scheme is evaluated using a computer simulation. The simulation results demonstrate that the proposed scheme improves the energy efficiency of the operation.

목차

Abstract
1. Introduction
2. PWS in 3GPP E-UTRA Standard
3. Proposed method
4. Performance Evaluation
5. Conclusion
References

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