Method and apparatus enable (BB) combination base band and radio frequency (RF) signal processing. This method includes receiving information by receiver to estimate channel in transmitter and receiver. This method includes identifying the information in path in multiple channels, according to for channel estimation. This method includes calculating the precoding one or more signals to be launched of a RF pre-coding matrix to each identified path. The RF pre-coding matrixes include path of the phase shift for each mark. In addition, this method includes calculating the precoding one or more signal of base band pre-coding matrix by the associated transmitter of baseband precoder.
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