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ericgtr12

macrumors 68000
Original poster
Mar 19, 2015
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Fascinating new technology here, it's nice to see Apple at least looking at it for the iPhone.

Li-Fi, often referred to as the next big leap in wireless data transfer, offers speeds up to 100 times faster than Wi-Fi. First invented by Professor Harald Haas at the University of Edinburgh in 2011, the technology sends data using visible light communication (VLC).

Researchers have achieved speeds of 224 gigabits per second using Li-Fi under laboratory conditions, which would theoretically allow for 18 HD movies to be downloaded in a single second. Other advantages it holds over Wi-Fi are less interference between devices and improved security over local networks, as light cannot pass through walls. The latter benefit also acts as a restriction and means that while Li-Fi is unlikely to ever completely replace Wi-Fi, it could be used in parallel to create more efficient networks.

Source: Newsweek

Here's a great TED talk description/demo.
 
That's all very nice, but the average American can't even take full advantage of 802.11n Wi-Fi due to slow broadband speeds, much less 802.11ac.

Li-Fi speeds are still only in our imaginations.
 
That's all very nice, but the average American can't even take full advantage of 802.11n Wi-Fi due to slow broadband speeds, much less 802.11ac.

Li-Fi speeds are still only in our imaginations.

Single user speed isn't the exciting part.

If hardware cost isn't to high this is extremely exciting. Wifi range and congestion is still a major issue in the commercial space. No longer do you have to do router placement optimization, which still leads to unreliable/dead spots. Good example of this are the dungeonous basements of University buildings. Instead a Li-Fi capable light in every room gives everyone a fast and perfectly reliable connection.
 
Single user speed isn't the exciting part.

If hardware cost isn't to high this is extremely exciting. Wifi range and congestion is still a major issue in the commercial space. No longer do you have to do router placement optimization, which still leads to unreliable/dead spots. Good example of this are the dungeonous basements of University buildings. Instead a Li-Fi capable light in every room gives everyone a fast and perfectly reliable connection.
[doublepost=1453377478][/doublepost]still a year off till we see it doubt that the 7 will have it
 
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