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IEICE TRANSACTIONS on Communications

Open Access
Image Sensors Meet LEDs

Koji KAMAKURA

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Summary :

A new class of visible light communication (VLC) systems, namely image sensor (IS) based VLC systems, has emerged. An IS consists of a two-dimensional (2D) array of photodetectors (PDs), and then VLC systems with an IS receiver are capable of exploiting the spatial dimensions invoked for transmitting information. This paper aims for providing a brief survey of topics related to the IS-based VLC, and then provides a matrix representation of how to map a series of one dimensional (1D) symbols onto a set of 2D symbols for efficiently exploit the associate grade of freedom offered by 2D VLC systems. As an example, the matrix representation is applied to the symbol mapping of layered space-time coding (L-STC), which is presented to enlarge the coverage of IS-based VLC that is limited by pixel resolution of ISs.

Publication
IEICE TRANSACTIONS on Communications Vol.E100-B No.6 pp.917-925
Publication Date
2017/06/01
Publicized
2016/12/14
Online ISSN
1745-1345
DOI
10.1587/transcom.2016LCI0001
Type of Manuscript
Special Section INVITED PAPER (Special Section on Visible Light Communications in Conjunction with Topics of ICEVLC 2015)
Category
Wireless Communication Technologies

Authors

Koji KAMAKURA
  Chiba Institute of Technology

Keyword