Inverse Source Coding for Dimming in Visible Light Communications Using NRZ-OOK on Reliable Links

Title
Inverse Source Coding for Dimming in Visible Light Communications Using NRZ-OOK on Reliable Links
Author(s)
권재균
Issue Date
201010
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE PHOTONICS TECHNOLOGY LETTERS, v.22, no.19, pp.1455 - 1457
Abstract
This letter proposes an inverse source coding scheme to mitigate the severe performance degradation caused by light dimming in visible light communications using on-off keying on reliable links. The proposed scheme meets the ratio of 0's to 1's for the dimming target, and transmission efficiency approaches the theoretical maximum, entropy. It outperforms the existing time-multiplexing scheme, and the difference in performance becomes larger the more the dimming target deviates from 50%. There might be several ways to implement inverse source coding and this letter presents an example utilizing Huffman coding.
URI
http://hdl.handle.net/YU.REPOSITORY/23472http://dx.doi.org/10.1109/LPT.2010.2062498
ISSN
1041-1135
Appears in Collections:
공과대학 > 전자공학과 > Articles
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