用MODEM来发短信，包括PDU的算法，较为详细！

这个是TR800 GPRS模块的有关详细资料。里面有用户手册，AT指令。有关与TR800的都有了。-This is the TR800 GPRS module details. There are user manuals, AT commands. With the TR800 have.

诺亚短信控件 ~~~~~~~~~~~~ 本控件支持大部分的手机和GSM工业模块,通过计算机串口或USB转串口可以 实现手机或GSM工业模块短信收发，电话簿管理，拨打电话等工作. 一、主要特点: ========== 1.数据收发可靠，经过大量短信收发的检验 2.可以同时处理短信发送，和短信接收工作 3.多个操作可以同时进行，不会产生数据遗失 4.允许读取所有电话簿,读取所有短信，读取短信数量和容量 5.允许获取模块信息,可以读取模块厂商,设备ID,IMEI,IMSI及所属网络 6.允许用户设定短信自动接收 7.允许用户设定读取短信后是否删除 8.短信发送状态指示 9.BenQ M22模块及其AT指令兼容模块适用 10.数据捕获功能，方便调试模块及AT命令 11.每小时的平均发送速度约600条左右 -Noah SMS Control ~~~ ~~~ support of the majority of the controls and GSM mobile phone industry Die Block, through the computer serial port or USB serial transfer can be achieved or GSM mobile phone text messages industrial transceiver module, Directory management and dialed phones. a main features : ========== 1. reliable data transceiver, After a large number of text messages sent or received by two tests. can also handle text messages sent, and SMS 3. more operation can be done concurrently and Data have not lost four. Allow access to all telephone di

一个完整的短讯网关示例,支持短讯收发,支持UDP及Text格式.-a complete SMS Gateway example, support SMS transceiver to support UDP and Text formats.

gprs协议栈代码.所谓协议栈就是对信息进行多次封装和解封的过程，以便能够在不同的实体间传送信息。本源代码来自Indian Institute of Technology-gprs protocol stack code. The so-called agreement is the right information Stack several Packaging, and the course was cleared, to the various entities to disseminate information. Source code from the Indian Institute of Technology

电话拨号程序，附有简易的拨号键盘，能通过modem通话-Telephone dial-up procedures, accompanied by simple dial-up keyboard, through the modem to call

ras拨号登录控件及示例-dial-up login controls and sample

UART device driver for PC-to-PC communication using Null Modem Cable

blackberry for modem

采用dpsk方式调制的直扩信号 -DPSK modulation methods used Direct Sequence Spread Spectrum Signal

Rayleigh channel simulation