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LTE: RRC Connection Request message passes through which logical channel ?

+2 votes
552 views
ACCCH
BDCCH
CMCCH
DDTCH

Correct Option: 1  

Explanation:
Since RRC Connection Request is the first message w.r.t to RRC layer, it reaches to eNodeB using common control channel.
posted Nov 25, 2017 by Harshita

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+1 vote

Usually, I always saw when UE sends "S-TMSI" in RRC connection Request message then it definitely sends "Registered MME Information " in RRC Connection Setup Complete message.

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.

+2 votes

It may be an easy question but still I have some doubt.
How RRC Connection setup procedure gets impacted with the presence of "S-TMSI" as an UE-Identity within the RRC Connection Request message ?
Note: RRC Connection request message can carry either 5 bytes long (S-TMSI) or 5 bytes long random value.

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