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Is it mandatory to initiate an RACH in Scell activation during InTra eNB CA?

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Is it mandatory to initiate an RACH in Scell activation during InTra eNB CA?
posted May 18 by Jaganathan
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1 Answer

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I think RACH procedure only needed if cells are non-collocated i.e HetNet scenario using Inter-Band carrier
aggregations where antennas are distributed and connected via fiber links, the use of multiple timing advance is
necessary. Immediately after the SCell activation, the NodeB PCell will request a RACH on the SCell.

answer May 21 by Mohit Mohan

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