本文首先介绍了两种协作方式与OFDM框架，并结合OFDM技术进行了系统仿真，对比分析了OFDM系统与CRC编码OFDM系统与卷积码编码OFDM系统仿真性能。-two methods to realize cooperative diversity in OFDM systems are proposed simulations using OFDM techniques are performed and the performance of the CRC coding OFDM syst

卷积码和维特比的编码及译码原理，MATLAB的仿真图。-Convolutional code and Viterbi encoding and decoding principle, MATLAB simulation of Fig.

matlab卷积码编译码译码器设计仿真，做毕业论文很有参考价值-matlab convolutional code decoder codec design simulation, doing thesis of great reference value