Above 3GHz we need to adopt a different approach. The value for mobile communications falls substantially and it may be that in this region of spectrum other uses such as fixed links have a higher value. Hence, we need to consider the value of some alternative uses and if these are higher than that for mobile we assume that the band would be better used for this purpose than mobile. We value fixed links as the next most likely use of these bands, compare to mobile usage, and extrapolate as appropriate across other higher frequency bands that could be re-purposed.