MATLAB simulation and communication

串口之间相互发送/接收字符串，可发送文本文件、自动发送等-Send/Receive string, can send text files, such as automatically

（3，1，4）卷积码的viterbi硬判决的源代码，通过高斯信道的误码率-(3,1,4) Convolutional Codes Viterbi hard decisions source code, the Gauss channel BER

基于UDP和P2P打洞代码加有心跳包维持客户端存在，C/S模式，网络通信 

LwIP协议栈的设计与实现，是中文的，对如何理解和移植lwip协议栈非常有帮助-Implementation of LwIP Protocol Stack Design and Implementation of Chinese. how to understand and transplant lwip protocol stack has been very helpful

专用于3G手机应用的开发语言android代码，描述在手机中进行数据存储的不同方法！-Exclusively for 3G mobile application development language android code that describes the data stored in mobile phones in different ways!

关于串口的串口通讯例程，希望能对大家有所帮助-On the serial port of the serial communication routines, hoping to be helpful for everyone

   利用简单的红外对管，实现双机通信，基于arduino mega2560，通过高精度温湿度传感器dht11来测量环境温湿度，在通过红外对管实现主从机信息的交换，具有很强的实用价值，成本十分低廉，操作也很简单。

关于ＩＳＡＧ网关相关的协议文档，该规范为电信的综合接入网关协议-ISAG gateway on the agreement related documents, the specification for the Telecom Integrated Access Gateway Protocol

hdb3 codec hdb3 codec 请把后缀改成pdf-hdb3 codec hdb3 codec hdb3 codec

某论坛要开发短消息系统 ，实现如下功能： 用户登录、登出 查看个人的短消息 发送短消息 回复短消息 删除短消息 该系统要满足如下要求： 已读和未读的短消息应采用不同的标记 回复时自动添写用户名 未登录不能看短消息，自动跳转到登录页面 登录后自动跳转到查看短消息列表的页面 -A Forum is expected to open Faduanxiaoxi system to achieve the following functions: user login, logout view personal reply short message to send a short message SMS Short Message Delete the system to meet the following requirements: have read and unread short message should be different marked automatically reply logged Tianxie user name can not see a short message, automatically redirecting to login page automatically after login Jump to see a list of short message page