Low Signal to Noise Ratios (SNRs) More Bandwidth May Not Mean More Capacity
白皮書
Be careful because the rate of increase in capacity rolls off at both very high and very low bandwidths. Technology is opening up millimeter wave frequencies and everyone is looking for higher data throughputs, which can be achieved with wider bandwidths. So, is wide bandwidth millimeter wave going to be the answer? Well, maybe. The Shannon-Hartley Theorem directly links bandwidth and channel capacity, and millimeter frequencies are the most promising place to find that bandwidth.