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Performance Evaluation of Space Modulation Techniques in VLC Systems

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Original languageEnglish
Title of host publicationProc. of IEEE Int. Conf. on Commun. (ICC) (1st VLCN Workshop)
Publication statusPublished - 2015
Event2015 ICC - 2015 IEEE International Conference on Communications Workshops (ICC) - London, United Kingdom, United Kingdom
Duration: 8 Jun 201512 Jun 2015


Conference2015 ICC - 2015 IEEE International Conference on Communications Workshops (ICC)
CountryUnited Kingdom


In this paper, the Bit Error Rate (BER) performance
of three major space modulation techniques in a Multiple-Input
Multiple-Output (MIMO) Visible Light Communication (VLC)
system is studied. The considered space modulation techniques
are Optical Spatial Modulation (OSM); Optical Generalized
Spatial Modulation (OGeSM); and Optical Multi-Stream Spatial
Modulation (OMS-SM). The space modulation techniques are
evaluated against two benchmark systems: Optical Spatial MultipleXing
(OSMX) and Optical Repetition Coding (ORC). The
performance assessment, for both the space modulation schemes
and the benchmark systems, is undertaken using simulation and
analytical results. For the considered system setup, it is concluded
that, in relative low Signal-to-Noise Ratio (SNR), OSM offers the
best performance. Whereas, in relative high SNR and for high
spectral efficiency, OMS-SM is the most efficient scheme in terms
of BER.


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