检查串口是否联有modem

本程序包括聊天室的客户端和服务器端，使用CSocket-the procedures include chat rooms client and server side, use CSocket

基于PPP链路的IP/UDP/TCP报头压缩协议。-PPP link-based IP/UDP/TCP header compression protocol.

设置端口名，波特率，打开端口，就可以发送数据，同时可以收到数据，还可以选择发送的方式，比如，可以以十六进制方式发送，在DATA中会显示数据部分，即是除去帧头和校验位之后的数据部分，

数字电视系统原理及测试 介绍数字电视方面的原理知识-digital television system theory and test digital TV introduced the theory of knowledge

用VB进行串口实时数据采集-using VB Serial Real-time Data Acquisition

蓝牙程序，控制蓝牙

Basic CDMA Principles • Coding • Forward and Reverse Channels
CDMA Operational Details • Multiplexing, Forward and Reverse Power Control
CDMA Handset Architecture
CDMA Handoffs
CDMA Network Architecture
CDMA Messaging and Call Flow
Optional Topics
Wireless Multiple Access Technologies
Overview of Current Technologies • Capacity CDMA Overlays, Spectrum Clearing-
Basic CDMA Principles • Coding • Forward and Reverse Channels
CDMA Operational Details • Multiplexing, Forward and Reverse Power Control
CDMA Handset Architecture
CDMA Handoffs
CDMA Network Architecture
CDMA Messaging and Call Flow
Optional Topics
Wireless Multiple Access Technologies
Overview of Current Technologies • Capacity CDMA Overlays, Spectrum Clearing

这是关于短信协议的电子书，我费了老大劲才找到的资料，供大家分享。希望能对搞GPRS通信和嵌入式的朋友有所帮助-This is the agreement on the text message e-books, I charge the oldest frozen find information for everyone to share. The hope is to engage GPRS communications and embedded friends help

802.11支持实时业务的文章，采用新调度器来实现。-a good paper for 802.11 wireless system supporting the real time application.

Software Receiver Strategies for the Acquisition