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Abstract
Visible light communication (VLC) systems should be designed to provide illumination and wireless data services simultaneously. To achieve this goal at a reasonable cost, the use of Phosphor-Converted (PC) LEDs for indirect illumination should be favored to provide a homogeneous and reliable coverage in the whole service area. Unfortunately, PC-LEDs found in the market so far have not been designed for data transmission; moreover, the response of the other (electro-) optical components of the VLC link are far from ideal. In this paper, we estimate the data rate that is feasible with VLC when indirect illumination is used. For this purpose, the end-to-end response of the VLC link is first modeled using actual measurements of the spectral power distribution of a PC-LED lamp and the ceiling reflectance. Then, different power allocation schemes are studied assuming an optical OFDM waveform. As commercial LEDs have a relatively slow time response, the equivalent VLC channel that results has strong frequency selectivity; therefore, notable data rate gains are achievable when waterfilling power allocation is applied.
Original language | English |
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Title of host publication | 2020 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2020 - Proceedings |
Publisher | IEEE |
Pages | 5225-5229 |
Number of pages | 5 |
ISBN (Electronic) | 978-1-5090-6631-5 |
ISBN (Print) | 978-1-5090-6631-5 |
DOIs | |
Publication status | Published - May 2020 |
MoE publication type | A4 Conference publication |
Event | IEEE International Conference on Acoustics, Speech, and Signal Processing - Virtual conference, Barcelona, Spain Duration: 4 May 2020 → 8 May 2020 Conference number: 45 |
Publication series
Name | Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing |
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ISSN (Print) | 1520-6149 |
ISSN (Electronic) | 2379-190X |
Conference
Conference | IEEE International Conference on Acoustics, Speech, and Signal Processing |
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Abbreviated title | ICASSP |
Country/Territory | Spain |
City | Barcelona |
Period | 04/05/2020 → 08/05/2020 |
Other | Virtual conference |
Keywords
- Visible light communications
- illumination
- PC-LEDs
- Optical OFDM
- Power allocation
Fingerprint
Dive into the research topics of 'The Effect of Power Allocation on Visible Light Communication Using Commercial Phosphor-Converted Led Lamp for Indirect Illumination'. Together they form a unique fingerprint.Projects
- 1 Finished
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ATTRACT: breAkThrough innovaTion pRogrAmme for a pan-European Detection and Imaging eCosysTem
Ekman, K. (Principal investigator), Blej, A. (Project Member) & Kar, S. (Project Member)
01/08/2018 → 30/11/2020
Project: EU: Framework programmes funding