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Why do we have two following IE in 5G?

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drx-HARQ-RTT-TimerDL , drx-HARQ-RTT-TimerUL. How ever any one of this enough to say RTT right?

posted Mar 12 by Akhilesh

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1 Answer

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drx-HARQ-RTT-TimerDL - the minimum duration before a DL assignment for HARQ retransmission is expected by the MAC entity.
drx-HARQ-RTT-TimerUL- the minimum duration before a UL HARQ retransmission grant is expected by the MAC entity.
These two timer used in 5G to controls DRX operation . RTT -HARQ process transmission.

answer Mar 13 by Mohit Mohan
Thank you, this i understood, but why do we need two IE, any one of this is enough to control both UL and DL right . Is there any scenario both values indicated different.
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