摘要
正交频分复用(OFDM)技术采用多载波传输方式,成为了第四代移动通信核心技术。OFDM系统可采用基于导频的信道估计方法,提高信道传输的准确性。文章在matlab环境下对块状导频进行仿真,对最小乘二算法和最小均方误差估计算法进行了比较,经过实验得出,块状导频更适合于慢衰落信道。
Orthogonal Frequency Division Multiplexing （OFDM） technology uses multicarrier transmission mode,is becoming the fourth generation mobile communication core technologies.OFDM system can use the channel estimation method based on pilot,To improve the accuracy of channel transmission.The paper Compared the Least Square and Minimum Mean-Square error estimation algorithm based on block-type pilot assignment in mat-lab.Through experiment, block pilot is better suited for slow fading channel.
出处
《信息通信》
2014年第10期11-12,共2页
Information & Communications
基金
内蒙古师范大学校级自然科学一般项目(课题编号:2013ZRYB05)
