Experimental demonstration of SCMA for visible light communications

Bangjiang Lin, Xuan Tang, Zhenlei Zhou, Chun Lin, Zabih Ghassemlooy

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)
81 Downloads (Pure)

Abstract

We propose an experimental demonstration of sparse code multiple access (SCMA) based visible light communications (VLC) system, in which the multi-dimensional codewords selected from a predefined codebook set are used to encode the transmitted data and a message passing algorithm (MPA) based multi-user receiver is used to detect the multiplexed codewords. Compared with the orthogonal frequency-division multiple access scheme, the SCMA scheme offers 150% overloading gain in the number of supported users at the cost of slightly decreased transmission performance.
Original languageEnglish
Pages (from-to)36-40
JournalOptics Communications
Volume419
Early online date15 Mar 2018
DOIs
Publication statusPublished - 15 Jul 2018

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