1. A method for performing a network planning of a mobile communication network, comprising the steps of: importing a first data set representing a network topology of the mobile communication network; collecting a second data set representing a plurality of statistic records, wherein the statistic records reflect a plurality of user mobility behaviors and a plurality of traffic behaviors of network elements in the mobile communication network; creating a first network plan through processing the first and the second data set; and displaying the first network plan through a graphic user interface (GUI).