Is it possible to send NACK in PHICH and new DCI with NDI toggled?

Question

This case will UE accept it as NEW transmission or will it resend the TB?

Answer 1

Here it will resend the TB i guess

Comments

But NDI is toggled right then how UE will resend the TB?

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Correct, NDI toggled it will be new transmission for UE but "f UE sends nack in UL in PHICH, dl wont send NDI = 1"

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One more comment here, to consider it for new transmission the RV has to be 0, but in this case it will not be. please update if i am wrong, answers most welcome

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I am sorry, i was wrong .DCI has more priority than PHICH, so If NDI is toggled in DCI-0 then PHICH feedbacks are dont care. NDI takes precedence. So UE will do New transmission.