Daryl Jones is one of our favorite bloggers, and he recently shared a document from the Virginia Tech College of Engineering which was filed with the NTIA in response to their Notice of Inquiry regarding FirstNet's proposed Public Safety Broadband Network.
According to the document, the Wireless @ Virginia Tech research group highly suggests a proactive effort to defend against jammers, which can be very destructive to networks using as few resources as a $500 transmitter and a laptop with simple software. Attacks could target one or more LTE subsystems in either the downlink or uplink signals. Outlining various creative and highly destructive possible attacks, the research group suggests employing a cell reselection implementation to help blacklist bogus synchronization signals to prevent one type of attack, however further research will be necessary to determine solutions to other types."It would be in the interest of public safety to take measures to reduce the vulnerability of Public Safety LTE, and lower the likelihood of an effective jamming attack. Certainly there are important cost advantage(s) of keeping the public safety LTE system compatible with commercial devices and systems," the report concludes. "Seeking solutions that achieve this compatibility while providing protection are desirable."
For more from Daryl, check out his recent coverage of the failed radio system project in West Palm Beach among other interesting project case studies and articles.
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