OFDM system, there are (2,1,7) convolutional code encoding, packet intertwined,...

It provides tools and components to quickly add SIP (Session Initiation Protocol) based IP-Telephony make and receive phone calls feature in your web pages and software applications.

13.2Kbps GSM手机语音压缩解压源代码（C语音）-13.2Kbps GSM handset pronunciation compression decompression source code (C pronunciation)

很完善的一个OFDM仿真程序,它以FUNCTION的形式,再现了OFDM映射,IDFTDFT,同步(时间频率同步)和信道估计,以及频率偏移的估计等一系列代码.-very sound one OFDM simulation program, which is in the form FUNCTION, Reproduction of OFDM mapping, IDFTDFT, synchronous (time-frequency synchronous) and channel estimation, and the estimated frequency offset a series of code.

通用高质量的串口类库；适用于任何windows平台的C++编译器-Universal Serial high-quality library; Applicable to any windows platform C compiler

监控串口的传送状态,还可以打印监视报表,以及各种校验方式.不妨试试看-monitoring serial transmission of the state, but also can print statements surveillance, and various calibration mode. May Try

MARVELL processor mobile phone

源码中包括了QPSK的调制与解调，以及QPSK信号比特误码率的计算-Source code included in the QPSK modulation and demodulation, as well as the QPSK signal bit error rate calculation

gprs 无线数据传输，以无线模块实现的程序初始化程序-gprs-wireless data transfer and wireless model completed initialize code of the program

诺基亚手机图片铃声开发文档--Developing documents about picture and ring of Nokia mobile

Assembly AVR to test RS232 serial communication