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How UE will start timer t300 when sending RRC connection request and How this scenario will happen?

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How UE will start timer t300 when sending RRC connection request and How this scenario will happen?
posted Apr 8, 2015 by Gnanendra Reddy

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2 Answers

+1 vote

UE gets t300 timer value from SIB2. UE reads SIB2 before attach.

answer Apr 8, 2015 by Veer Pal Singh Yadav
0 votes

T300 starts at the RRC connection REQ transmit and stops at the Receipt of RRC connection setup or reject message OR at the cell reselection time OR upon abortion of connection establishment by Higher layers (L2/L3).

At the expiry UE retransmits RRC connection REQ if V300 =< N300, else go to Idle mode.

answer Apr 8, 2015 by Salil Agrawal
I want who will give t300 timer value to UE from where it will it take
must be via some config (not sure) and possible values are 400, 600, 800, 1000, 1200, 1400, 1600, 1800, 2000, 3000, 4000, 6000, 8000 ms.
is it from Sib2?
not sure ???
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+1 vote

After sending RRC connection request message how much time UE will wait to receive RRC connection setup or reject message.

+1 vote

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I am looking for a scenario on which UE sends "Random number" in RRC Connection Request message and "Registered MME Information" in RRC Connection Setup Complete message.

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