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Assuming a MIMO system and a perfect CSI (the channel matrix is known), what can be the best equalizer? ZF or others?

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    $\begingroup$ MMSE is superior to ZF. Keep in mind that in MIMO the specific form of the equalizer depends on the space-time code used. $\endgroup$ – MBaz Mar 9 '18 at 1:04
  • $\begingroup$ @MBaz That's OK. Could you please post a full answer to make the question solved. $\endgroup$ – Sofiane Jun 17 '18 at 13:54

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