这是一个关于GMS系统的Matlab仿真，信息经过外编码，内编码，重排交织以及信道然后再解码，最后可以估计GSM系统的性能。-This is one of the GMS system Matlab simulation, and information through outside coding, coding, re-cutting and channel decoder then, the final estimate GSM system performance.

PDU是用来发送短彩信的一种编码，上述代码为VB彩信pdu解码。-Wish to develop SMS or EMS application? What do you read from your mobile? PDU code. PDU is a format which you send to a phone to send a SMS or an EMS. You can find more in GSM 03.40