nat穿越开实时通讯开发中是个不可避免的问题，这是个英文文档，希望能给大家带来一些帮助...

一个模拟根据ALOHA协议的实验,用于检测信息发送是否冲突.-ALOHA an agreement under simulated experiments for detecting whether the information sent conflict.

压缩包中为usb通讯协议介绍，包括usb协议框架，数据流模型介绍和一些关于usb通信的名词解释等！-Compressed package for usb communication protocols, including the framework agreement usb, data flow model and introduce some terminology to explain usb communications, etc.!

zmodem文件传输协议的源码-source code of zmodem file translation protocol

工作环境为Linux，CORBA的开源项目MICO。此程序完整的实现了如何实现POA的守护例程MICOD来响应客户端的请求，然后唤醒服务器端来处理客户端的请求。-working environment for Linux, the open-source project CORBA MICO. This integrity of the process of the realization of how the POA guard routines MICOD to respond to a client"s request, then awaken server to handle the client"s request.

资源描述GSMMODEM类库，帮助发送与接收短信(通过与短信猫进行串口通信)，支持长短信有详细介绍！有例程，有代码，使用非常稳定,完美测试通过Wavecom和西门子短信猫。

TOP PORT (USB) 调试接口说明 本接口是利用PL-2303HX的USB转RS232的接口芯片设计实现了一个TTL(5V)的RS232串口，并且利用了PL-2303HX的2个GPIO口软件模拟了一个低速的I2C总线.该接口由USB接口提供5V电压，可自带2Kbit(24C02)数据备份EEPROM (单独读写通道,不占用I2C总线地址)。并可对外提供小于250mA的5V电压。尤其适合WIN-XP以后的没有并口和串口笔记本电脑。整机成本不到￥20RMB。 -TOP PORT (USB) interface debugging of this interface is the use of PL-2303HX the USB to RS232 interface chip design to achieve a TTL (5V) of the RS232 serial port, and use of PL-2303HX the two GPIO port software simulation of a low-speed I2C bus. The interface from the USB interface to provide 5V voltage, can bring their own 2Kbit (24C02) data backup EEPROM (separate read and write access, do not occupy I2C bus address). And may provide less than 250mA of 5V voltage. WIN-XP is particularly suitable for subsequent parallel and serial no notebooks. Machine costs less than ￥ 20RMB.

文章介绍在OFDM通信系统中常用的信道估计算法，并给出了仿真结果-In the article Introduction OFDM communication system commonly used in channel estimation algorithm and simulation results

MARVELL processor mobile phone

串口调试工具RS232，包括记事本文件传输-RS232 serial port debugging tools

包含有多种网络设计方案，是网络设计师初学者不可多得的资料-Contains a wide range of network design, network designers is invaluable information for beginners