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Energy-saving Light Emitting Diodes (LEDs) could help meet demand for wireless communications without affecting the quality of light or environmental benefits they deliver, new research funded by the Engineering and Physical Sciences Research Council (EPSRC) has shown.
A University of Edinburgh team has found that transmitting digital data via LEDs at the same time as using them to generate light does not make the light dimmer or change its colour. Nor does it make the LED more energy-hungry. Dr Wasiu Popoola of the University of Edinburgh, who led the research, says these concerns have held back the more widespread adoption of Light Fidelity, or LiFi, which uses household LEDs to enable data transfer.
But these findings help eliminate key hurdles to using LEDs to help satisfy the increasing global thirst for wireless communications. Preserving the quality of lighting is, in particular, a vital consideration as it can have a major effect on the physical and mental wellbeing of people in both their homes and their workplaces. LEDs have secured a huge increase in their share of the worldwide lighting market in recent years, as well as being used extensively in TV and other displays.
Uh huh. That's the same technology they use to keep the rest of you from seeing what I see.
(Score: 2) by leftover on Friday October 13 2017, @04:42PM
This was a nice physiology study but that is as far as it goes. Any light-beam communications other than isolated point-to-point will need to solve the multipath echo problems. Further, the solution will need to simultaneously avoid being too expensive and too rate-limiting. Plus, it would require all involved light fixtures to be IP routers.
Bent, folded, spindled, and mutilated.