Research and implementation of IMS based on NS2

用MODEM实现来电显示的方法,可以针对任何内置与外置型的MODEM-with MODEM CND approach to address internal and external to any type of MODEM

进行哈夫曼编码，并元素的码字，平均码长等-for Huffman coding, and elements of code words, the average yards long

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

任意发送天线，任意接收天线的STBC-MIMO-OFDM的MATLAB程序，其中包括完整的PSK调制，STBC编码，信道估计等。-Arbitrary transmitting antenna, receiving antenna arbitrary STBC-MIMO-OFDM the MATLAB program, including the integrity of PSK modulation, STBC encoding, such as channel estimation.

sip_rfc2543 标准化文档-sip_rfc2543 standardized documents

Visual C++ 串口通信编程实践 第五章和第六章源码 -Visual C++ Serial communication programming practice, Chapter V and Chapter VI source

在GSM通信系统中，Viterbi检测是一个及其重要的部分，许多的研究人员在这里花费了大量的心血。参考各种资料，我们总结得出以下Viterbi软输出算法，与传统的硬判决方法相比，可以提高2～3个db的增益：-In GSM communication systems, Viterbi detection is an important part of many researchers here spent a lot of effort. Reference to a variety of information, we summarize the following soft-output Viterbi algorithm, with the traditional hard-decision method, can be raised by 2 ~ 3 db gain:

HXD09电力呼叫中心的解决方案，详细描述了应用HXD09交换机的电力呼叫中心的解决方案。-Power HXD09 call center solution, a detailed description of the application of the power switch HXD09 call center solutions.

ASN.1编解码的JAVA实现，很有参考价值，JAVA，ASN.1-ASN.1 codec JAVA realize valuable, JAVA, ASN.1

此过程 软件 用来发送 一个文本文件 含 标签 要打印 到打印机、 复制 一个文本文件