一个实现GPRS无线上网的程序，通过AT指令来控制GPRS模块实现TCP/IP传输文件数据-A program to achieve GPRS wireless Internet access via AT commands to control the GPRS module TCP/IP transport file data

3GPP SCM信道模型，内含源代码及程序各模块说明文件，可供学习者研读-3GPP SCM Channel Model

该文件夹中包含LTE PUSCH上行链路中几个重要模块的C代码，包括了CRC添加、CRC校验、Turbo编码、Turbo译码、咬尾卷积码编码和咬尾卷积码译码6个模块。-This folder contains LTE PUSCH uplink C code several important modules, including adding a CRC, CRC checksum, Turbo Coding, Turbo decoding tail-biting convolution cod

采用 BPSK 解调解调、IFFT 调制、信道估计等通信模块，包含这些模块的 m 文件。系统采用加性 AWGN 噪声信道。(Using BPSK demodulation and demodulation, IFFT modulation, channel estimation and other communication modules, including the m files of these modules. The system uses an additive AWGN nois

这是一个基于空时分组编码的 MIMO_OFDM 通信系统的仿真设计。此系统包括 QPSK 调制解调， IFFT 调制，空时编解码，基于训练符号的信道估计等通信模块，包含这些模块的 m 文件。(This is a simulation design of a MIMO_OFDM communication system based on space-time block coding.This system includes QPSK modulation and demodulation, IF