On the General Error Event Probability Evaluation of Optical Intensity Modulation Schemes

Wireless intensity-modulated optical channels feature some very specific differences compared to wireless radio channels. These properties have a strong impact on the performance of digital modulation techniques. This paper discusses basics to consider when designing optical intensity modulation sch...

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Bibliographic Details
Published in:IEEE photonics journal 2022-10, Vol.14 (5), p.1-7
Main Authors: Schulze, Henrik, Hoeher, Peter A.
Format: Article
Language:English
Subjects:
Adaptive optics
Channels
Error analysis
Errors
intensity modulation
Modulation
Optical pulse shaping
Optical receivers
Optical transmitters
optical wireless communication
Orthogonal Frequency Division Multiplexing
Power efficiency
Signal to noise ratio
Symbols
visible light communication
Waveforms
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Summary:Wireless intensity-modulated optical channels feature some very specific differences compared to wireless radio channels. These properties have a strong impact on the performance of digital modulation techniques. This paper discusses basics to consider when designing optical intensity modulation schemes. We introduce an error event probability expression for such modulation schemes that is generally applicable for all non-negative waveforms. We indicate the importance of amplitude fluctuations and the influence of pulse shaping on the power efficiency in the optical domain. In numerical examples, we apply the error event probability expression to modifications of orthogonal frequency-division multiplexing and to Hadamard coded modulation.
ISSN:1943-0655
1943-0655
1943-0647
DOI:10.1109/JPHOT.2022.3207834