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학술지 Reliable Transmission of Visible Light Communication Data in Lighting Control Networks
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저자
최상일, 고석주, 임상규, 강태규
발행일
201705
출처
IET Networks, v.6 no.3, pp.1-7
ISSN
2047-4954
출판사
IET
DOI
https://dx.doi.org/10.1049/iet-net.2017.0032
협약과제
14MC2500, 가시광 무선통신 데이터 실시간 송수신을 위한 조명 유선 프로토콜 표준 개발, 임상규
초록
Recently, the visible light communication (VLC) is considered as a future emerging technology in the telecommunication and lighting industry, as defined in the IEEE 802.15.7 standard. In the meantime, the ANSI E1.45 standard was made to provide VLC data transmissions from a VLC data server to a lighting device that is equipped with a VLC transmitter in lighting control networks. However, the ANSI E1.45 scheme cannot provide reliable transmissions of VLC data, and thus a lost data, if any, cannot be recovered. To overcome such limitation, timer-based VLC data transmission schemes have been studied by applying the retransmission scheme of Internet. However, these schemes still have limitation that the lost VLC data cannot be recovered immediately. Hence, in this study, the authors propose new reliable transmission schemes for VLC data over lighting control networks. The proposed schemes are classified into the packet-based (PRVS) and fragmentbased (FRVS) schemes. From performance analysis by simulation, the authors see that the FRVS gives the best transmission throughput among the four candidate schemes. In addition, it is shown that the proposed reliable transmission scheme can effectively perform the error recovery operation in the networks with packet losses, compared to the ANSI E1.45 scheme.
KSP 제안 키워드
Control network, Data server, Data transmission, Emerging technology, Error recovery, IEEE 802.15.7, Lighting control, Performance analysis, Transmission scheme, Transmission throughput, Visible light communication(VLC)