一种基于DSP的半盲信道估计算法的实现

信道估计是无线通信领域的一个关键问题,传统的方法是通过在发射端不断地发送训练序列,在接收端利用DSP估计时变信道,这种方法大大降低了信号传输速率。采用基于叠加训练序列的半盲信道估计算法,可以弥补这一不足。介绍了一种基于叠加训练序列的半盲信道估计方法,并利用DSP软件开发平台CCS对该方法做了仿真实现。

Implementation of an Semi-blind Channnel Estimation Algorithm based-on DSP

channel estimation is a key issue in the wireless communication field,the traditional method is to send training sequence continuously in the transmit-port,and we use DSP to estimate constantly changing channel in the receive-port,but this method reduces the signal transmission rate greatly.The semi-blind channel estimation algorithm based on superimposed training sequence can make up for this shortffall.An semi-blind channel estimation algorithm based on superimposed training sequence is introduced and realized on CCS which is DSP software development platform.