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m A minor index correction. |
The pseudo-inverse can be obtained by any method, not necessarily through the Moore–Penrose inverse method. This is an unneeded detail for the brief introductory description of the method. |
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Zero-forcing (or null-steering) precoding is a method of spatial signal processing by which a multiple antenna transmitter can null the multiuser interference in a multi-user MIMO wireless communication system. When the channel state information is perfectly known at the transmitter, then the zero-forcing precoder is given by the
==Mathematical description==
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