You might have noticed that using Wi-Fi on phones sucks the battery way too faster. To address this issue, a team of researchers from the University of Washington has developed a new type of super-efficient Wi-Fi that allows consumers to use the internet by using 10,000 times less power than the current Wi-Fi components.
This breakthrough can allow the technology companies to integrate Wi-Fi networking into more devices. At the upcoming USENIX Symposium on Networked Systems Design and Implementation, the team will be presenting a paper with the results of research.
So, how did the researchers do it? Basically, Wi-Fi transmission involves digital and analog operations. With time, the digital part has been made energy efficient but the analog part still poses some problems. Separating these functions, the team has devised something called Passive Wi-Fi. It uses the radio wave energy from an outside source, adds the data, and reflects that signal.
“In our architecture, the passive Wi-Fi devices perform digital baseband operations like coding and modulation, while the power-consuming RF components such as frequency synthesizers and power amplifiers are delegated to a single plugged-in device in the network,” the research paper states.
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The Passive Wi-Fi is capable of handling data at speeds up to 100 megabits/seconds and it has been tested to work at more than 100 feet distance.
This ultra-efficient Wi-Fi will be more useful in future when IoT will become a bigger part of our home and more devices will be around. While this technology needs some time before it’s applied in the devices, it could be the next big thing in communications.
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