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학술대회 Analysis of Wireless Resource Environment and Detection of Malfunctioning Wireless Communication Device
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저자
정찬복, 조권도
발행일
201712
출처
Asia-Pacific Conference on Communications (APCC) 2017, pp.688-691
DOI
https://dx.doi.org/10.23919/APCC.2017.8304000
협약과제
17HF1500, 셀룰러 기반 산업 자동화 시스템 구축을 위한 5G 성능 한계 극복 저지연, 고신뢰, 초연결 통합 핵심기술 개발, 정현규
초록
We analyze the actual condition of wireless resource environment for AIS system used in maritime communication, and propose a method to detect malfunctioning wireless communication device. When an AIS system is transmitted in a manner incompatible with the slot timing due to malfunction, the AIS wireless apparatus of the Carrier Sense Time Division Multiple Access (CSTDMA) scheme can communicate but the usable slot available becomes smaller and the AIS wireless apparatus of the Self Organized Time Division Multiple Access (SOTDMA) scheme may fail to receive an AIS message due to transmission data collision on the wireless. Through the analysis of the experimental results, it was confirmed that a large number of malfunctioning AIS radio devices are actually transmitting at the actual sea. In this paper, we propose a method to improve the performance of the maritime wireless communication by improving the wireless interference environment due to malfunctioning transponder by finding out the malfunctioning AIS wireless communication device and compensating or removing it to secure the occupied slot by erroneous operation.
KSP 제안 키워드
AIS system, Carrier Sense, Communication device, Data collision, Maritime communication, Maritime wireless communication, Time-division multiple access(TDMA), Wireless interference, interference environment