Journal Pre-proof Design and implementation of LED-LED indoor visible light communication system Faisal Ahmed Dahri, Fahim Aziz Umrani, Attiya Baqai, Hyder Bux Mangrio PII: S1874-4907(19)30388-X DOI: https://doi.org/10.1016/j.phycom.2019.100981 Reference: PHYCOM 100981 To appear in: Physical Communication Received date : 29 May 2019 Revised date : 25 November 2019 Accepted date : 16 December 2019 Please cite this article as: F.A. Dahri, F.A. Umrani, A. Baqai et al., Design and implementation of LED-LED indoor visible light communication system, Physical Communication (2019), doi: https://doi.org/10.1016/j.phycom.2019.100981. This is a PDF ﬁle of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the deﬁnitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its ﬁnal form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2019 Published by Elsevier B.V.