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Methods and apparatus for pre-filtering a signal to increase signal-to-noise ratio and decorrelate noise
Methods and apparatus for pre-filtering a signal to increase signal-to-noise ratio and decorrelate noise
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机译:用于对信号进行预滤波以增加信噪比并使噪声去相关的方法和装置
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摘要
To receive a signal from a multiple-input-multiple-output (MIMO) communication channel, initial channel taps are generated based on an impulse response estimate of the MIMO communication channel. The received signal is pre-filtered using the initial channel taps to generate output channel taps and a corresponding output signal having an increased signal-to-noise ratio (SNR) and uncorrelated noise. The SNR is based on a ratio of the energy in a first subset of the output channel taps to the energy in a second subset of the output channel taps.
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