Does SPS activation/modification goes on CRNTI or SPS RNTI?

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How UE recognize the SPS grant with CRNTI or SPS RNTI?

posted Mar 11, 2020 by Akhilesh

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1 Answer

Hi Akhilesh,

It should go on SPS RNTI. once UE reconfigured with SPS RNTI , UE will start monitoring the SPS RNTI on PDCCH. eNB can schedule/reschedule SPS RNTI on any subframe after reconfiguration.

answer Mar 19, 2020 by Jaganathan

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What if eNB sends grants on SPS RNTI after UE sends MAC CRNTI CE in MSG3?

Suppose UE intitiates an Rach for TA failure or No SR resource, UE sends an MAC CRNTI CE in msg3 and expects old RNTI allocation for Contention resolution success. But what if eNB gives SPS RNTI Ul allocation after MSG3 , will UE resolves the contention resolution after this?