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what is difference between UEID IE of rrc connection request and IMSI ?

+3 votes
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what is difference between UEID IE of rrc connection request and IMSI ?

posted Jul 19, 2017 by anonymous

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+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.

+1 vote

If UE shutdown appropriately then context will not be deleted at network. after some time when UE switch on UE will send attach request with the IMSI, but with same IMSI ENB have already an context. Spec says reject the second UE if already old context present but the second UE is valid and first UE is not valid then how to handle.

+2 votes

Please can anyone explain me,
In which Scenario, eNB send Idlemodemobilitycontrolinfo IE with release cause "other" inside RRC CONNECTION RELEASE message to UE???

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