Multilevel brightness modulation scheme based on a LED array and K-means clustering algorithm for optical camera communications

Chun Lin, Bangjiang Lin, Xuan Tang, Zhenlei Zhou, Haiguang Zhang, Sushank Chaudhary

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

We propose a multilevel brightness modulation (MBM) scheme for optical camera communications, where a LED array and a k-means clustering algorithm are used to encode and decode the data, respectively. The experiment results show that the MBM scheme with a focal length of 18 mm offers longer transmission distance compared with the conventional 4-level undersampled pulse amplitude modulation with subcarrier modulation (UPAMSM) scheme.

Original languageEnglish
Title of host publication17th International Conference on Optical Communications and Networks, ICOCN 2018
EditorsZhaohui Li
PublisherSPIE
ISBN (Electronic)9781510627703
DOIs
StatePublished - 2019
Externally publishedYes
Event17th International Conference on Optical Communications and Networks, ICOCN 2018 - Zhuhai, China
Duration: 16 Nov 201819 Nov 2018

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume11048
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference17th International Conference on Optical Communications and Networks, ICOCN 2018
Country/TerritoryChina
CityZhuhai
Period16/11/1819/11/18

Keywords

  • Multilevel brightness modulation (MBM)
  • k-means clustering
  • optical camera communications (OCC)

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