本程序对标准DCF算法进行仿真，然后提出提高无线接入点通信能力的DCF改进算法，并编写仿真程序。仿真结果证明改进算法可以大幅度提高网络整体性能。 -This procedure of standard DCF algorithm simulation, and then put forward to improve the communication capabilities of wireless access points, DCF improved algorithm and the

运用Simulink搭建的有线电视HFC网络上行信道仿真模型，运用16QAM调制，RS编解码，能够获得系统误码率曲线与信噪比之间的关系-The use of Simulink to build the cable HFC network upstream channel simulation model, the use of 16QAM modulation, RS coding and decoding, have access to the system bit error rate cu