信道频域相关性计算方法及装置、信道估计方法及装置制造方法及图纸

技术编号:6050355 阅读:406 留言:0更新日期:2012-04-11 18:40
本发明专利技术公开了一种信道频域相关性计算方法及装置、信道估计方法及装置。根据本发明专利技术的信道频域相关性计算方法包括:分析样本信道的路径时延分布;分析样本信道的路径能量分布;根据样本信道的路径时延分布和路径能量分布构建信道模型;和根据构建的信道模型计算信道频域相关性。根据本发明专利技术的信道估计方法包括:计算导频子载波的最小二乘信道估计;读取预存的信道频域相关性;估计接收端相对于发送端的移动速度;根据接收端相对于发送端的移动速度计算信道时域相关性;利用计算的信道时域相关性和读取的信道频域相关性计算MMSE滤波器系数;以及根据计算的MMSE滤波器系数和导频子载波的最小二乘信道估计获取数据子载波的信道估计,其中,所述预存的信道频域相关性通过上述信道频域相关性计算方法来获取。

Channel frequency correlation calculation method and device, channel estimation method and device

The invention discloses a channel frequency correlation calculation method and device, a channel estimation method and a device thereof. According to the channel frequency domain correlation calculation method of the invention includes: analysis of path delay distribution of sample channel; path analysis of energy distribution of the sample channel; according to the path delay distribution and construction path channel model of energy distribution of sample channel; and calculating channel according to the channel frequency domain correlation model. According to the invention of the channel estimation method includes calculating the least squares channel pilot subcarrier channel estimation; frequency domain correlation read stored; the receiver estimates relative to the sending end of the moving speed; according to the receiver relative to the sending end of the mobile computing speed channel correlation calculation; MMSE filter coefficients using the channel time domain correlation calculation and read the channel frequency and channel correlation; according to the least squares channel calculation of MMSE filter coefficients and the pilot subcarrier estimation to obtain data subcarrier channel estimation, the frequency domain correlation of the pre stored method to obtain the channel frequency correlation calculation.

【技术实现步骤摘要】

【技术保护点】
1.一种信道频域相关性计算方法,包括:分析样本信道的路径时延分布;分析样本信道的路径能量分布;根据样本信道的路径时延分布和路径能量分布构建信道模型;以及根据构建的信道模型计算信道频域相关性。

【技术特征摘要】

【专利技术属性】
技术研发人员:张磊严闳中王昕
申请(专利权)人:富士通株式会社
类型:发明
国别省市:JP[]

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