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What will be the MSG3 in TAU initiated contention based RACH in LTE?

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weather it is RRCConnection request or direct NAS message as ULInfotransfer?

posted Aug 7 by Ankit Mishra

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1 Answer

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TAU request is a NAS message and it will be piggybacked in RRC connection setup complete message just like other NAS messages are piggybacked in RRC connection setup complete. Once SRB2 is established, NAS message through SRB2 if NAS message is independent from RRC signalling.
MSG3 will be RRC connection Request message.

answer 6 days ago by Vimal Kumar Mishra
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