用于无线通信系统越区切换理论的研究，高速铁路环境下越区切换的研究。-Handoff for wireless communication systems theory studies, a high-speed railway environment handoff.

handoff code Get a programming tool for simulating the handover times between wireless and mobile networks. Establish scenarios for wireless to mobile, mobile to mobile and wireless to wireless simulate the scenarios and discuss the results -hand

在异构无线网络中关于垂直切换算法的代码，描述了相关的概率计算，卡尔曼滤波计算等。(In the heterogeneous wireless network, the code about the vertical handoff algorithm is described, which describes the related probability calculation, the Calman filter calculation and so on.)