摘要
信道估计技术保证了信号传输的可靠性。基于导频的LS信道估计算法,通过导频子信道的响应得到整个信道的响应,能够很好地跟踪信道的变化,在复杂度不高的情况下取得较好的误差性能,具有很好的实用性。仿真结果表明采用LS信道估计后有效的降低了系统的误码率。
Channel estimation strengthen the reliability of signal transimission. Least-Square channel estimation based on pilot can get complete channel response via pilot subchannel,and follow channel changes well to get better error performance if it is not very complicated, It is with higher practicality. The simulation results show that the LS channel estimation effective decrease the bit error rate of the system.
出处
《武夷学院学报》
2012年第2期65-67,共3页
Journal of Wuyi University
基金
福建省教育厅科技项目(项目编号:JB10186)
宁德师范学院科研资助项目(2009102)
关键词
导频
最小二乘
信道估计
误码率
pilot
least-square
channel estimation
bit error rate
