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비가시거리 광학 카메라 통신시스템 성능평가Performance Evaluation of Non-Line-of-Sight Optical Camera Communication System
- Other Titles
- Performance Evaluation of Non-Line-of-Sight Optical Camera Communication System
- Issue Date
- May-2020
- Publisher
- 한국통신학회
- Keywords
- LED; camera; reflective surface; NLOS communication; BER
- Citation
- 한국통신학회논문지, v.45, no.5, pp.837 - 841
- Journal Title
- 한국통신학회논문지
- Volume
- 45
- Number
- 5
- Start Page
- 837
- End Page
- 841
- ISSN
- 1226-4717
- Abstract
- In this paper, we investigate the impact of various parameters on the performance of a none-line-of-sight visible light communication (VLC) system using a CMOS camera. In this system, the camera does not record data from LEDs directly but data is recorded from the reflective surface (the wall). By this method, the communication distance of NLOS system is longer than that of LOS system because the size of the reflective surface is much bigger than size of LEDs. Through experiments, we demonstrate that the performance of NLOS VLC system can be achieved 3.1x10-5 BER when the distance between the camera and the reflective surface is 60 cm and the data is modulated at 4.5 kHz.
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Related Researcher
- Yoo, Myung sik
- College of Information Technology (Department of Electronic Engineering)