Researchers in the US have developed a new wireless protocol that can extend the reach of Wi-Fi devices by more than 60 metres – without the need for hardware modifications – Steve McCaskill writes for TechRadar.
On-Off Noise Power Communication (ONPC) is programmed on top of the existing Wii-Fi protocol. But whereas Wi-Fi requires at least 1Mbps to maintain a signal, ONPC can maintain the signal at speed as low as 1bps.
Phil Lundrigan, assistant professor of computer engineering at BYU, along with Neal Patwari of Washington University (in St. Louis) and Sneha Kasera of the University of Utah achieved this by adjusting the transmitter in a Wi-Fi enabled device to send wireless noise alongside data.
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