Research and implementation of IMS based on NS2

通过winsock控件实现聊天的程序，其中子目录tcp是通过winsock控件实现tcp聊天的程序- Controls the procedure through winsock which a realization chats, child directory tcp is controls through winsock the procedure which realizes tcp to chat

源码中包括了QPSK的调制与解调，以及QPSK信号比特误码率的计算-Source code included in the QPSK modulation and demodulation, as well as the QPSK signal bit error rate calculation

字符串匹配。输入XML文件中的Key值，可以在程序读入的XML文件中找到Key值相对应的信息并输出。-StringMatch

拨号程序-a dialing program

iso14230-1汽车通讯协议进行汽车通信必须要支持此协议才能正常通信-iso14230-1 car to car communication protocol must support this protocol can be a normal communication

获取本机Outlook Express和Outlook2000/XP中通讯薄内容的示例源码。-access to the machine Outlook2000/XP Outlook Express and communications content of the thin sample source code.

用 Matlab 作图 单极性 NRZ 和双极性 NRZ 的信噪比与误比特率关系 特性作为通信原理测试的一个入门研究

这是一份介绍SIP协议的PPT，详细介绍了SIP协议，可以帮助SIP开发人员理解SIP协议各个消息中的头域，以及应用流程。-this is a point for the sip, it introduces the protocol of sip, it can help for programer for understanding the part

最简单的VC编写的OPC客户端程序，本程序为OPC异步多组型传输。-The simplest VC prepared OPC client program, the procedures for the OPC-based asynchronous multi-group transmission.

multi-line Adjunct Communication Server