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논문 기본 정보

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학술저널
저자정보
Nguyen, Quoc Huy (Graduate School of NID Fusion Tech., Seoul National Univ., of Science and Tech.) Kim, Hyung-O (Graduate School of NID Fusion Tech., Seoul National Univ., of Science and Tech.) Lee, Minwoo (Graduate School of NID Fusion Tech., Seoul National Univ., of Science and Tech.) Cho, Juphil (Dept. Of Integrated IT & Communication Eng., Kunsan National Univ.) Lee, Seonhee (Dept. Of Electronic & IT Media Eng., Seoul National Univ. Of Science and Tech.)
저널정보
한국인터넷방송통신학회 International journal of advanced smart convergence International journal of advanced smart convergence 제4권 제2호
발행연도
2015.1
수록면
94 - 102 (9page)

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Optical camera communication (OCC) is an extension of Visible Light Communication. Different from traditional visible light communication, optical camera communications is an almost no additional cost technology by taking the advantage of build-in camera in devices. It was became a candidate for communication protocol for IoT. Camera module can be easy attached to IoT device, because it is small and flexible. Furthermore almost smartphone equip one or two camera for both back and font side with high quality and resolution. It can be utilized for receiving the data from LED or positioning. Actually, OCC combines illumination and communication. It can supply communication for special areas or environment where do not allow Radio frequency such as hospital, airplane etc. There are many concept and experiment be proposed. In this paper we proposed utilizing Android smart-phone camera for receiver and introduce new approach in modulation scheme for LED at transmitter. It also show how Manchester coding can be used encode bits while at the same time being successfully decoded by Android smart-phone camera. We introduce new data frame format for easy decoded and can be achieve high bit rate. This format can be easy to adapt to performance limit of Android operator or embedded system.

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