用MODEM来发短信，包括PDU的算法，较为详细！

This a software runing on the matlab, it is used in the channel coding simulation. It include DVB-S2 LDPC, Covolution turbo, and block turbo code, You can choose which channel coding to run. it run the encoder and add white noise in the channel, then it run the decoder, and compute the error rate.-This a software runing on the Matlab. it is used in the channel coding simulation. It i nclude DVB-S2 LDPC and turbo Covolution. and block turbo code, You can choose which channel coding to run. it ru n the encoder and add white noise in the channel. then it run the decoder. and compute the error rate.

VB的MODEM通信源代码，包括MODEM初始化，自动检测电脑串口数量，MODEM参数设置等-VB source code for the MODEM communications, including MODEM initialization, the computer automatically detects the serial number, MODEM parameter setting, etc.

LDPC编码的GFQ程序源代码，用于信道编码，可以编码LDPC矩阵，并进行交织译码-LDPC coding GFQ source code for channel coding, LDPC coding matrix, Decoding and intertwined

QaM的程序，可供学习借鉴和参考学习 仔细观察-QaM procedures, are available to learn from and reference to study carefully observed

SIM300的详细资料。用户手册和AT指令都有。 希望对你有用。-SIM300 details. User manual and have AT commands. Hope that useful to you.

实现GPRS MODEM接发短信功能，同时可以进行GPRS数据传输，-GPRS MODEM realize message sending and receiving functions, at the same time can be GPRS data transmission,

Modem 通信的完整例子-Modem Communication s whole example!

调制解调器编程，用的是AT命令，一个很好的学习例子。-modem programming, using the AT command, a good learning examples.

通过GSM模块发送接收短消息的程序，可发送免提信息-GSM module send and receive text messages, may send a hands-free information

该程序为QPSK解调程序，符号速率2M,采样速率为64M-The program procedures for QPSK demodulation, symbol rate of 2M, the sampling rate of 64M