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Abstract
This paper shows the feasibility of a networked LiFi system using a distributed multiple-input multiple-output (MIMO) link for optical wireless transmission and a plastic optical fiber (POF) link as a fixed front-haul between distributed optical front-ends, and a centralized signal processing unit. The concatenation of POF and optical wireless links yields an easy-to-install all-optical LiFi system which is robust against both, blockage of individual light beams and electromagnetic interference. A significant cost-down appears by the use of colored LEDs to feed the POF link with multiple optical signals, and wavelength division demultiplexing filters. The spatial crosstalk in the wireless link and the spectral crosstalk over the POF link can be jointly compensated by the same end-to-end MIMO processing. A common signal model, which includes the combined effects of both links are provided to characterize the proposed all-optical LiFi system. We report the first experimental findings when using space-division multiplexing (SDM), i.e., multiple POFs, and wavelength-division multiplexing (WDM), i.e., multiple colors in the front-haul, indicating that the performance is mostly limited by the wireless link. Moreover, we show that the positions of mobile users in the wireless link, as well as gain variations and spectral crosstalk in the front-haul link, influence the singular values and the achievable data rates of the LiFi system.
Original language | English |
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Title of host publication | IEEE Global Communications Conference - Globecom 2020 |
Publisher | Institute of Electrical and Electronics Engineers |
Number of pages | 6 |
ISBN (Electronic) | 9781728173078 |
DOIs | |
Publication status | Published - Dec 2020 |
Event | 2020 IEEE Global Communications Conference (GLOBECOM 2020) - Taipei, Taiwan Duration: 7 Dec 2020 → 11 Dec 2020 |
Conference
Conference | 2020 IEEE Global Communications Conference (GLOBECOM 2020) |
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Country/Territory | Taiwan |
City | Taipei |
Period | 7/12/20 → 11/12/20 |
Bibliographical note
Funding Information:This work was partly supported by the project VisIoN, funded by the European Union’s Horizon 2020 under the Marie Skłodowska-Curie grant agreement number 764461 and by the EU Horizon2020 project ELIoT under grant agreement number 825651.
Funding
This work was partly supported by the project VisIoN, funded by the European Union’s Horizon 2020 under the Marie Skłodowska-Curie grant agreement number 764461 and by the EU Horizon2020 project ELIoT under grant agreement number 825651.
Keywords
- front-haul
- LiFi
- MIMO
- Plastic Optical Fiber
- SDM
- WDM
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Dive into the research topics of 'Distributed MIMO Experiment Using LiFi over Plastic Optical Fiber'. Together they form a unique fingerprint.Projects
- 1 Finished
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ELIoT: Enhance Lighting for the Internet of Things (ELIOT)
Koonen, A. M. J. (Project Manager), Huijskens, F. M. (Project member), Ribeiro Barbio Correa, C. (Project member), Mekonnen, K. A. (Project member) & Tangdiongga, E. (Project Manager)
1/01/19 → 30/06/22
Project: Research direct