Researchers have created new technology for more accessible, real-time wireless connectivity.
A new device from the lab of Dinesh Bharadia, an affiliate of the UC San Diego Qualcomm Institute and faculty member with the Jacobs School of Engineering's Department of Electrical and Computer Engineering, offers a fresh tool for the challenge of increasing public access to the wireless network.
"Through meticulous analysis of spectrum usage, we can identify underutilized segments and hidden opportunities, which, when leveraged, would lead to a cost-effective connectivity solution for users around the globe," said Bharadia."Crescendo stands at the forefront of this initiative, offering a low-complexity yet highly effective solution with advanced algorithms that provides robust spectrum insights for all.
Crescendo features adaptive software that allows it to sweep for activity across a range of frequencies within an agency-owned wideband spectrum. The device can adapt to signal interference in real-time by dynamically adjusting which signals it receives to tune out interference from nearby towers, base stations and other sources of high power signals. The technology's high signal fidelity also ensures that users can count on a secure connection, with any cyberattacks identified in real-time.
In practice, Crescendo can be built using commercial off-the-shelf parts and attached to existing radio units with programmable software. Researchers can monitor a particular spectrum's activity through color-coded graphs showing hot spots of activity in red.
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