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Scoop.it!
Wi-Fi could soon have a very detailed geofence, if MIT researchers have their way. They’ve introduced a new project named ‘Chronos’ that helps Wi-Fi signals locate you within “tens of centimeters.”
Gust MEES's insight:
Wi-Fi could soon have a very detailed geofence, if MIT researchers have their way. They’ve introduced a new project named ‘Chronos’ that helps Wi-Fi signals locate you within “tens of centimeters.”
Scoop.it!
From
phys
(Phys.org) -- A surveillance device that uses WiFi radio waves has been devised to see through walls to detect, in military and surveillance parlance, moving personnel targets.
Read more: http://phys.org/news/2012-08-see-through-wall-surveillance-wifi-shown-ucl.html
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Scoop.it!
Sir Alexander Graham Bell may be better known as the guy who invented the first ‘practical’ telephone, but the Scottish scientist laid claim to an arsenal of additional innovations. Among these were the photophone, a wireless telephone of sorts that enabled sounds (including speech) to be transmitted via light. It’s said that Bell actually valued the photophone more than the telephone from his lifetime achievements, even though it never quite took off and is now consigned to the footnotes of history. ===> The birth of Li-Fi <=== If you have a spare 13 minutes, Haas’s speech is worth a watch on the video...
Gust MEES's insight:
===> The birth of Li-Fi <=== If you have a spare 13 minutes, Haas’s speech is worth a watch on the video...
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Wi-Fi could soon have a very detailed geofence, if MIT researchers have their way. They’ve introduced a new project named ‘Chronos’ that helps Wi-Fi signals locate you within “tens of centimeters.”
The team managed this by monitoring several Wi-Fi bands, then cobbling the data together to find out how long a signal takes to find the end user. In knowing the time and distance it takes for a Wi-Fi signal to travel, MIT can create advanced geofencing.
Wi-Fi could soon have a very detailed geofence, if MIT researchers have their way. They’ve introduced a new project named ‘Chronos’ that helps Wi-Fi signals locate you within “tens of centimeters.”
The team managed this by monitoring several Wi-Fi bands, then cobbling the data together to find out how long a signal takes to find the end user. In knowing the time and distance it takes for a Wi-Fi signal to travel, MIT can create advanced geofencing.
Geofencing (accurate wifi by zones) almost a reality.