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Moved "Quantify the feedback amount" from the page on general precoding |
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:<math>\Delta R = R_{ZF} - R_{FB} \leq log_2 g</math>.
Jindal showed that the required feedback bits of an [[Spatial Correlation|spatially uncorrelated]] channel should be scaled according to SNR of the downlink channel, which is given by<ref name=
:<math> B = (M-1) \log_2 \rho_{b,m} - (M-1) \log_2 (g-1) </math>
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