的比较简单，简化了一些实验环境和条件，不过可以参考一下，希望有帮助 -The relatively simple, to simplify a number of experimental environment and conditions, but can refer to what I hope will help

We use simulation results to show the performance of the water filling algorithm. Simplify this question into a OFDM based communication network with one transmitter and one receiver. It is assumed that the total power of Pmax = 1 w and the total ban