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Color-Shift Keying for Optical Camera Communication Using a Rolling Shutter Mode
- Source :
- IEEE Photonics Journal, Vol 11, Iss 2, Pp 1-8 (2019)
- Publication Year :
- 2019
- Publisher :
- IEEE, 2019.
-
Abstract
- An optical camera communication (OCC) is a special type of a visible light communication that uses a complementary metal-oxide semiconductor as a receiver. However, it is difficult to apply a high-order modulation scheme to such communications because of strong intersymbol interference. In this paper, we propose and demonstrate an OCC system using an 8-color color-shift keying scheme. We used an RGB-based LED light panel as a transmitter and analyzed the properties of the rolling shutter. We discuss the demodulation process and perform bit error rate (BER) tests at different ambient illuminances and sampling positions. A net data rate of 8.64 kbps and a pixel efficiency of 3.75 pixels per bit were achieved while keeping the BER below 3.8E-3, which meets the FEC's 7% forward error correction requirement. In addition, the system shows good robustness for indoor applications.
Details
- Language :
- English
- ISSN :
- 19430655
- Volume :
- 11
- Issue :
- 2
- Database :
- Directory of Open Access Journals
- Journal :
- IEEE Photonics Journal
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.21862f4d496643f3bea5f6d08abfdff7
- Document Type :
- article
- Full Text :
- https://doi.org/10.1109/JPHOT.2019.2898909