To understand the transmission scheme for QPSK modulation. To design a simple transceiver structure operating in a noisy channel.

6e协议中移动WiMAX的AMC方案，仿真UGS业务在不同到达率下的吞吐率，丢包率、仿真时间内总能耗、千比特能量消耗-6e protocol in mobile WiMAX AMC scheme

LDPC编码仿真的源码，LDPC码是一种基于矩阵构造编码和迭代译码的新型信道编码方案，它具有很低的译码复杂度，并且拥有逼近香农极限的优异性能。-LDPC coding simulation code, LDPC code is a matrix structure based on the iterative decoding of the new coding and channel coding scheme, which has a very low decoding complexity

一种多波束阵列天线系统发射通道幅相误差环路校正方案。采用了经过空域DFT变换的m/WH复合正交码作为校正测试信号。-A multi-beam array antenna system loop transmit channel amplitude and phase error correction scheme. After airspace using DFT transform m/WH complex orthogonal code as calibration test signal.

里面包含turbo码的编码，logmap译码方式，以及一些调制解调的例子-Examples of coding which contains turbo codes, logmap coding scheme, as well as some modulation and demodulation