To reduce the effects of CIR leakage in practical OFDM systems, the input signals and reference signals of the RLS filter were weighted by a matrix that was independent to the channel statistics.

• RLS滤波器的输入和参考信号被独立于信道统计特性的矩阵加权，降低了实际OFDM系统中CIR泄漏的影响。