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Visual Cell OOK Modulation : A Case Study of MIMO CamCom
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  • Visual Cell OOK Modulation : A Case Study of MIMO CamCom
  • Visual Cell OOK Modulation : A Case Study of MIMO CamCom
저자명
레투안남,장영민,Le. Nam-Tuan,Jang. Yeong Min
간행물명
한국통신학회논문지. The Journal of Korea Information and Communications Society. 통신이론 및 시스템
권/호정보
2013년|9호|pp.781-786 (6 pages)
발행정보
한국통신학회
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정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

Multiplexing information over parallel data channels based on RF MIMO concept is possible to achieve considerable data rates over large transmission ranges with just a single transmitting element. Visual multiplexing MIMO techniques will send independent streams of bits using the multiple elements of the light transmitter array and recording over a group of camera pixels can further enhance the data rates. The proposed system is a combination of the reliance on computer vision algorithms for tracking and OOK cell frame modulation. LED array are controlled to transmit message in the form of digital information using ON-OFF signaling with ON-OFF pulses (ON = bit 1, OFF = bit 0). A camera captures image frames of the array which are then individually processed and sequentially decoded to retrieve data. To demodulated data transmission, a motion tracking algorithm is implemented in OpenCV (Open source Computer Vision library) to classify the transmission pattern. One of the most advantages of proposed architecture is Computer Vision (CV) based image analysis techniques which can be used to spatially separate signals and remove interferences from ambient light. It will be the future challenges and opportunities for mobile communication networking research.