Effect of Wiring and Cabling Topologies on the Performance of Distributed MIMO OFDM VLC Systems

In this paper, we evaluate the performance of different multiple-input multiple-output (MIMO) modes for orthogonal frequency division multiplexing (OFDM) based indoor visible light communication (VLC) systems. In the evaluations, various physical connection scenarios are considered to model the dela...

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Bibliographic Details
Published in:IEEE access 2019-01, Vol.7, p.1-1
Main Authors: Narmanlioglu, Omer, Kizilirmak, Refik Caglar, Safaraliev, Sadi, Miramirkhani, Farshad, Uysal, Murat, Sait, Sadiq M.
Format: Article
Language:English
Subjects:
cabling delay
channel modeling
Communication
Design optimization
Illumination
Infrastructure
Lighting
Luminaires
Luminance distribution
MIMO communication
multiple-input multiple-output
OFDM
Optical communication
Orthogonal Frequency Division Multiplexing
Ray tracing
Systems design
Topology
Visible light communication
Wiring
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Summary:In this paper, we evaluate the performance of different multiple-input multiple-output (MIMO) modes for orthogonal frequency division multiplexing (OFDM) based indoor visible light communication (VLC) systems. In the evaluations, various physical connection scenarios are considered to model the delay between the luminaries and the LED chips within the luminaries. Repetition code (RC), spatial multiplexing (SMUX) and spatial modulation (SMOD) are considered as MIMO modes. Upper bound of the bit-error-rate (BER) expressions for these modes are presented and the performances are further evaluated for different installation scenarios. The results reveal that RC suffers from the delay between the luminaries more than the other MIMO modes. Whilst the least performance degradation appears in SMUX, the performance with respect to RC increases with introducing delay that yields less channel correlation.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2019.2903726