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To calculate the ZF precoder, the users have to feedback their effective channel vector, i.e., the channel generated by the concatenation of the wireless channel matrix H u,i and the receive filter G u,i.
Therefore, the smart selection scheme can be considered as being distributed for the downlink transmission, as no processing is needed at the BS (for the uplink, the BS would have to feedback the CSI that it is experiencing as a receiver).
Similar(58)
However, the PA method requires large feedback information (FBI) since it has to feedback the channel state information (CSI) of each sampling point in a frequency domain.
You often have to give feedback to staff that they may not like.
Leaders have to give feedback and performance appraisals have to be made.
However, while the company said it had listened to "feedback", it has still not disclosed what changes are planned.
"Over the last three years we have listened to feedback from the public about too much ineffective stop and search.
It said: "We have listened to feedback from our customers and employees, and understand that to maintain and further build public trust we need to do more.
" We have listened to feedback and kept a very, very simple approach to business".
Once it has been established that the participant has consented to feedback, the next stage of the pathway is activated.
We've listened to feedback from users on their experience using Home.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com