The path to hackproof radios is not as difficult as one might think and multiple entities around the world are beginning to productize this advanced malware - resistant architecture. Mitola will "do the math" on how to keep APTs out of software-defined radios by in a sense hard wiring them in some ways but remaining flexible in others, a technique that he calls soft-wiring. On the other hand, software is full of what the US National Institutes of Standards and Technology (NIST) calls Advanced Persistent Threats (APTs).
On the one hand software brings product flexibility and reduces time to market. The future is sufficiently complex that the "software" which defines what our radios do will be a function of the environment they "grew up in." The next generation of the software defined radio will really be the software learned radio. In order to accomplish this future we will need to rethink how we arrive at the software in the software defined radio. Interoperability will need to be learned in order to maximize information gained by sharing what each device knows about the physical world, both Newtonian and Maxwellian. Radios will need to learn to learn to share and jointly adapt to develop the etiquette for using the spectrum. The next generation spectrum will be a dynamic, self-organizing one. While true that the RF spectrum is finite is the real problem that we lack sufficiently intelligent and capable systems to effectively use spectrum? In a spectrum with a trillion devices is it still conceivable that humans can meticulously plan every aspect of a radio's life in the spectrum? The frequency, the waveform, the protocol? A recent theme in the RF community is the notion that we are "running out of wireless spectrum." Machine-to-machine communication and the necessary preparation for a seemingly inevitable future of a "trillion devices" further compounds the issue.
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