Spectrum-Shared Resource Allocation

Mobile broadband networks observe a dramatic increase in data traffic volumes over the next two decades [4]. To meet this demand, large spans of spectrum is an important issue for any RAN system. On the flip side, this demand for more bandwidth exceeds the available commercial spectrum to a large extent and has motivated spectrum-governing agencies such as Federal Communications Commission (FCC) to consider solutions, such as spectrum sharing, which is an elegant solution to leverage shareable spectrum efficiently. However, spectrum sharing is replete with challenges because incumbent systems of the shared bands must be protected from harmful interference [5, 6] from the entrant systems and vice versa. As a case in point, a research [7] showed that fledgling spectrum bands assigned for mobile broadband are occupied by the incumbents, such as radar and satellite systems occasionally.

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