摘要
信道估计在通信系统中占据着非常重要的位置,在此介绍和分析传统的LS估计准则,提出改进的LS信道估计准则,建立改进LS信道估计的数学模型,并对改进的LS信道进行了仿真。仿真结果表明改进的LS估计能够降低估计偏差的影响,有比LS准则较低的误码率。
Channel estimation plays a very important role in OFDM communication system. With the introduction and analysis of traditional LS estimation, the author recommends an ameliorated LS estimation criterion, on which a mathematical model is created and stimulated. The stimulation results demonstrate that with lower BER the improved LS estimation, compared with traditional LS, can decrease the effects of estimation error.
出处
《河池学院学报》
2008年第2期80-82,共3页
Journal of Hechi University