Researchers from the lab of Dinesh Bharadia at the UC San Diego Qualcomm Institute have developed a new device called Crescendo that aims to increase public access to the wireless network. The device uses prototype technology to filter out interference from other radio signals and identifies underutilized spectrum frequency bands during high-traffic periods, which could help regulators distribute wireless access at a lower cost during low-traffic periods. Crescendo features adaptive software that allows it to sweep for activity across a range of frequencies and can adapt to signal interference in real-time. It can also tune out interference from nearby towers and base stations, ensuring a secure connection for users. By monitoring spectrum activity, the device aims to improve communications, regulation, privacy, and security. Crescendo can be built using off-the-shelf parts and can be attached to existing radio units with programmable software. However, there are still areas to fine-tune, such as reducing production costs and conducting field tests with multiple spectrum sensors.
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