US engineers have delivered Wi-Fi transmissions that use 10,000 times less power than regular signals. The new system, which has been named Passive Wi-Fi, was created by a team at the University of Washington and is said to be compatible with current smartphones and routers.
The team achieved download speeds of 11 megabits per second (Mbps) with its Passive Wi-Fi system, which would make it comparable to modern LTE download speeds, but now they're reportedly working to increase the throughput.
"We wanted to see if we could achieve Wi-Fi transmissions using almost no power at all," said Shyam Gollakota, a University of Washington assistant professor of computer science and engineering who worked on the project. "That's basically what Passive Wi-Fi delivers. We can get Wi-Fi for 10,000 times less power than the best thing that's out there."
The technology could prove beneficial to the consumer electronics industry at large and particularly smartphones and tablets, which rely frequently on Wi-Fi access and feature relatively short standby times. Take a look at Passive Wi-Fi in the introduction video below.
The University of Washington said, "The technology could enable entirely new types of communication that haven't been possible because energy demands have outstripped available power supplies."
Passive Wi-Fi has also been named one of the 10 breakthrough technologies of 2016 by the MIT Technology Review, though science publication Science Alert notes that the technology has yet to be peer-reviewed and independently verified, so the current rhetoric should be taken with a pinch of salt.
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