中文摘要：

To whom correspondence should be addressed. Sun Juying, was born in 1980. She received the master degress of Signal and Information Processing Engineering and Bachelor degree of Electronic Engineering in the College of Electronic Information and Control Engineering of Beijing University of Technology in 2005 and 2002 respectively. He research interest is about OFDM transmission technique and its application in mobile radio channel.E-mail： zhangyh@ bjut. edu. cn