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    • 3. 发明授权
    • Channel estimating method and device
    • 信道估计方法及装置
    • US08711914B2
    • 2014-04-29
    • US13463452
    • 2012-05-03
    • Gengshi WuMeng HuaChunling ZhangShurong JiaoXiuqin Peng
    • Gengshi WuMeng HuaChunling ZhangShurong JiaoXiuqin Peng
    • H04B3/46
    • H04L27/3863H04B1/7113H04L25/0216H04L25/0234
    • A channel estimating method and device are provided. The method includes: performing multi-path searching on a pilot channel, and performing interpolation on a channel estimation value at a radial position of the multi-path searching (101); performing raised cosine de-convolution on the channel estimation value that undergoes the interpolation (102); acquiring the channel estimation value at each radial position in the pilot channel according to the channel estimation value that undergoes the raised cosine de-convolution and a sample deviation acquired by performing the multi-path searching (103). The channel estimating method and device eliminate the sample deviation of the channel estimation value, improve the demodulation performance, and evidently reduce the operation workload.
    • 提供了一种信道估计方法和装置。 该方法包括:在导频信道上进行多路径搜索,并对多路径搜索的径向位置处的信道估计值进行内插(101); 对经历内插的信道估计值执行升余弦去卷积(102); 根据经历升余弦去卷积的信道估计值和通过执行多路径搜索获得的采样偏差,获取导频信道中每个径向位置处的信道估计值(103)。 信道估计方法和设备消除了信道估计值的采样偏差,提高了解调性能,显着降低了操作工作量。
    • 4. 发明申请
    • CHANNEL ESTIMATING METHOD AND DEVICE
    • 信道估计方法和设备
    • US20120213264A1
    • 2012-08-23
    • US13463452
    • 2012-05-03
    • Gengshi WuMeng HuaChunling ZhangShurong JiaoXiuqin Peng
    • Gengshi WuMeng HuaChunling ZhangShurong JiaoXiuqin Peng
    • H04B3/46
    • H04L27/3863H04B1/7113H04L25/0216H04L25/0234
    • A channel estimating method and device are provided. The method includes: performing multi-path searching on a pilot channel, and performing interpolation on a channel estimation value at a radial position of the multi-path searching (101); performing raised cosine de-convolution on the channel estimation value that undergoes the interpolation (102); acquiring the channel estimation value at each radial position in the pilot channel according to the channel estimation value that undergoes the raised cosine de-convolution and a sample deviation acquired by performing the multi-path searching (103). The channel estimating method and device eliminate the sample deviation of the channel estimation value, improve the demodulation performance, and evidently reduce the operation workload.
    • 提供了一种信道估计方法和装置。 该方法包括:在导频信道上进行多路径搜索,并对多路径搜索的径向位置处的信道估计值进行内插(101); 对经历内插的信道估计值执行升余弦去卷积(102); 根据经历升余弦去卷积的信道估计值和通过执行多路径搜索获得的采样偏差,获取导频信道中每个径向位置处的信道估计值(103)。 信道估计方法和设备消除了信道估计值的采样偏差,提高了解调性能,显着降低了操作工作量。