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CONCLUSION In this article, we presented an efficient flicker-free channel coding scheme based on concatenation of polar codes and modified Knuth code balancing algorithm for dimmable VLC. ... In this article, we propose a dimming efficient and flickerfree FEC for VLC systems based on Knuth's balancing algorithm  with enhanced prefix coding technique. ...doi:10.1109/access.2020.3041431 fatcat:yv6wrt45lvgg7mgrcehldqtdri