New Run-Length Limited Codes in On-Off Keying Visible Light Communication Systems

Run-length limited (RLL) codes can facilitate reliable data transmission and provide flicker-free illumination in on-off keying-modulated visible light communication (VLC) systems. This letter proposes new RLL codes that can decrease error and achieve desirable brightness levels with high throughput...

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Veröffentlicht in:	IEEE wireless communications letters 2020-02, Vol.9 (2), p.148-151
Hauptverfasser:	Li, Zongyan, Yu, Honglu, Shan, Baoling, Zou, Dexuan, Li, Shiyin
Format:	Artikel
Sprache:	eng
Schlagworte:	Bit error rate Communications systems Data transmission Encoding Error correction Flicker Forward error correction free distance Light Light emitting diodes Lighting Miller codes On-Off Keying Optical communication Reliability run-length limited codes Visible light communication
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Zusammenfassung:	Run-length limited (RLL) codes can facilitate reliable data transmission and provide flicker-free illumination in on-off keying-modulated visible light communication (VLC) systems. This letter proposes new RLL codes that can decrease error and achieve desirable brightness levels with high throughput. The flicker control and free distance of the proposed rate 2/3 RLL codes are extensively described. Extensive simulations evaluated the proposed RLL codes in forward error correction (FEC)-uncoded and FEC-coded VLC systems, demonstrating that the proposed RLL codes offer superior error performance when compared with rate 1/2 Miller and enhanced Miller codes.
ISSN:	2162-2337 2162-2345
DOI:	10.1109/LWC.2019.2946146