数字信道仿真，认真复习数据链路层内容，熟悉编程与开发语言C、C++与WINDOWS程序源码设计技术（查阅参考书）； 开发工具：Visual C6..0 或其它； 程序源码示例： 理想信道的《发送端程序源码》与《接收端程序源码》（含源码VVisual C6.0）； ARQ基本协议1: 可直接使用。

-Digital channel simulation, carefully review the contents of the data link layer, familiar programming and development language C C++ WINDOWS program source design techniques (consult reference books)　development tools: Visual C6 .. 0 or other　the program source code examples: ideal channel the sender program source code with the program source code on the receiving end (the containing source VVisual C6.0)　ARQ basic agreement: can be used directly.