Broadcasting brake lights with MIMO-OFDM based vehicular VLC

Bugra Turan; Omer Narmanlioglu; Sinem Coleri Ergen; Murat Uysal

doi:10.1109/VNC.2016.7835927

Broadcasting brake lights with MIMO-OFDM based vehicular VLC

Bugra Turan, Omer Narmanlioglu, Sinem Coleri Ergen, Murat Uysal

Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Inter-vehicular connectivity to enhance road safety and enable highly autonomous driving is increasingly becoming popular. Despite the prevalent works on radio-frequency (RF) based vehicular communication schemes, visible light communication (VLC) is considered to be a promising candidate for vehicular communications due to its low complexity and RF interference-free nature. This paper investigates applicability of VLC to enhance road safety based on real world measurements. Deployment of multiple light emitting diodes (LEDs) enables multiple-input multiple-output (MIMO) transmission in the context of vehicular VLC. We consider direct current biased optical orthogonal frequency division multiplexing (DCO-OFDM) based MIMO transmission scheme and evaluate the performances of different MIMO modes including repetition code (RC) and spatial multiplexing (SM), different modulation orders and different transmitter-receiver selection. The results reveal that selection of the closest transmitters to the receivers, provide better performance due to high signal-to-noise-ratio (SNR) requirements for RC mode. However, usage of all possible transmitters does not always yield better performance due to power division at the transmitter side. Moreover, SM suffers from channel correlation whereas the performance of RC shows more degradation on higher-order modulations that are required to yield the same throughput with SM.

Original language	English (US)
Title of host publication	2016 IEEE Vehicular Networking Conference, VNC 2016
Editors	Onur Altintas, Eylem Ekici, Michael Tsai, Miguel Sepulcre, Bastian Bloessl, Yu-Lin Wei
Publisher	IEEE Computer Society
ISBN (Electronic)	9781509051977
DOIs	https://doi.org/10.1109/VNC.2016.7835927
State	Published - Jul 2 2016
Event	2016 IEEE Vehicular Networking Conference, VNC 2016 - Columbus, United States Duration: Dec 8 2016 → Dec 10 2016

Publication series

Name	IEEE Vehicular Networking Conference, VNC
Volume	0
ISSN (Print)	2157-9857
ISSN (Electronic)	2157-9865

Conference

Conference	2016 IEEE Vehicular Networking Conference, VNC 2016
Country/Territory	United States
City	Columbus
Period	12/8/16 → 12/10/16

Keywords

MIMO
OFDM
Vehicular communication
visible light communication

ASJC Scopus subject areas

Computer Networks and Communications
Automotive Engineering
Control and Systems Engineering
Electrical and Electronic Engineering
Transportation

Access to Document

10.1109/VNC.2016.7835927

Cite this

Turan, B., Narmanlioglu, O., Ergen, S. C., & Uysal, M. (2016). Broadcasting brake lights with MIMO-OFDM based vehicular VLC. In O. Altintas, E. Ekici, M. Tsai, M. Sepulcre, B. Bloessl, & Y.-L. Wei (Eds.), 2016 IEEE Vehicular Networking Conference, VNC 2016 Article 7835927 (IEEE Vehicular Networking Conference, VNC; Vol. 0). IEEE Computer Society. https://doi.org/10.1109/VNC.2016.7835927

Broadcasting brake lights with MIMO-OFDM based vehicular VLC. / Turan, Bugra; Narmanlioglu, Omer; Ergen, Sinem Coleri et al.
2016 IEEE Vehicular Networking Conference, VNC 2016. ed. / Onur Altintas; Eylem Ekici; Michael Tsai; Miguel Sepulcre; Bastian Bloessl; Yu-Lin Wei. IEEE Computer Society, 2016. 7835927 (IEEE Vehicular Networking Conference, VNC; Vol. 0).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Turan, B, Narmanlioglu, O, Ergen, SC & Uysal, M 2016, Broadcasting brake lights with MIMO-OFDM based vehicular VLC. in O Altintas, E Ekici, M Tsai, M Sepulcre, B Bloessl & Y-L Wei (eds), 2016 IEEE Vehicular Networking Conference, VNC 2016., 7835927, IEEE Vehicular Networking Conference, VNC, vol. 0, IEEE Computer Society, 2016 IEEE Vehicular Networking Conference, VNC 2016, Columbus, United States, 12/8/16. https://doi.org/10.1109/VNC.2016.7835927

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abstract = "Inter-vehicular connectivity to enhance road safety and enable highly autonomous driving is increasingly becoming popular. Despite the prevalent works on radio-frequency (RF) based vehicular communication schemes, visible light communication (VLC) is considered to be a promising candidate for vehicular communications due to its low complexity and RF interference-free nature. This paper investigates applicability of VLC to enhance road safety based on real world measurements. Deployment of multiple light emitting diodes (LEDs) enables multiple-input multiple-output (MIMO) transmission in the context of vehicular VLC. We consider direct current biased optical orthogonal frequency division multiplexing (DCO-OFDM) based MIMO transmission scheme and evaluate the performances of different MIMO modes including repetition code (RC) and spatial multiplexing (SM), different modulation orders and different transmitter-receiver selection. The results reveal that selection of the closest transmitters to the receivers, provide better performance due to high signal-to-noise-ratio (SNR) requirements for RC mode. However, usage of all possible transmitters does not always yield better performance due to power division at the transmitter side. Moreover, SM suffers from channel correlation whereas the performance of RC shows more degradation on higher-order modulations that are required to yield the same throughput with SM.",

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AB - Inter-vehicular connectivity to enhance road safety and enable highly autonomous driving is increasingly becoming popular. Despite the prevalent works on radio-frequency (RF) based vehicular communication schemes, visible light communication (VLC) is considered to be a promising candidate for vehicular communications due to its low complexity and RF interference-free nature. This paper investigates applicability of VLC to enhance road safety based on real world measurements. Deployment of multiple light emitting diodes (LEDs) enables multiple-input multiple-output (MIMO) transmission in the context of vehicular VLC. We consider direct current biased optical orthogonal frequency division multiplexing (DCO-OFDM) based MIMO transmission scheme and evaluate the performances of different MIMO modes including repetition code (RC) and spatial multiplexing (SM), different modulation orders and different transmitter-receiver selection. The results reveal that selection of the closest transmitters to the receivers, provide better performance due to high signal-to-noise-ratio (SNR) requirements for RC mode. However, usage of all possible transmitters does not always yield better performance due to power division at the transmitter side. Moreover, SM suffers from channel correlation whereas the performance of RC shows more degradation on higher-order modulations that are required to yield the same throughput with SM.

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Broadcasting brake lights with MIMO-OFDM based vehicular VLC

Abstract

Publication series

Conference

Keywords

ASJC Scopus subject areas

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