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LTE: Is it necessary to trigger tracking area update soon after handover procedure ?

+1 vote

On what basis UE decides whether it should trigger TAU procedure or not ?

posted Jun 27, 2017 by Harshita

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2 Answers

0 votes

Hi harshita,

Yes it is mandatory to do TAU after handover if the target ENB TAC is not part of TAI_list which UE has. If target ENB is part of TAI-list then there wont be any TAU from UE.

answer Jul 18, 2017 by Jaganathan
0 votes

Yes it is needed as after X2 handover where MME is not involved, MME does not know the location of UE if it happens to be in a different TA.

answer Jul 18, 2017 by Faisal Adeem Siddiqui
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