Forget Wi-Fi. Meet the new Li-Fi Internet | Harald Haas
What if we could use existing technologies to provide Internet access to the more than 4 billion people living in places where the infrastructure can't support it? Using off-the-shelf LEDs...
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I would like to demonstrate for the first time in public that it is possible to transmit a video from a standard off-the-shelf LED lamp to a solar cell with a laptop acting as a receiver. There is no Wi-Fi involved, it's just light. And you may wonder, what's the point? And the point is this: There will be a massive extension of the Internet to close the digital divide, and also to allow for what we call "The Internet of Things" -- tens of billions of devices connected to the Internet. In my view, such an extension of the Internet can only work if it's almost energy-neutral. This means we need to use existing infrastructure as much as possible. And this is where the solar cell and the LED come in. I demonstrated for the first time,...
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I would like to demonstrate for the first time in public that it is possible to transmit a video from a standard off-the-shelf LED lamp to a solar cell with a laptop acting as a receiver. There is no Wi-Fi involved, it's just light. And you may wonder, what's the point? And the point is this: There will be a massive extension of the Internet to close the digital divide, and also to allow for what we call "The Internet of Things" -- tens of billions of devices connected to the Internet. In my view, such an extension of the Internet can only work if it's almost energy-neutral. This means we need to use existing infrastructure as much as possible. And this is where the solar cell and the LED come in. I demonstrated for the first time,...
