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why eNB sends rrc reconfiguration to connected UE when we add or modify inter frequency for SIB5 on eNB

+1 vote
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why eNB sends rrc reconfiguration to connected UE when we add or modify inter frequency for SIB5 on eNB
As i understand, UE reads SIB5 after reading paging in idle mode. Why RRC reconfig is required at this time ?

posted Oct 15 by anonymous

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1 Answer

0 votes

Connected ue also require to add or modify the interfreq to measure correct freq so enb sends rrc reconfiguration to connected ue.

answer Oct 20 by Veer Pal Singh Yadav
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+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???

+2 votes

During attach procedure, UE sends "Attach Request" along with "RRC Connection Setup Complete", eNodeB sends "Attach Accept" along with "RRC Connection Reconfiguration then why UE does not send "Attach Complete" along with "RRC Connection Reconfiguration Complete" message ? What could be the reason for defining the messages so ?

+3 votes

There are couple of procedures are defined which consist of NAS as well as RRC signalling messages exchange.
Some of the NAS message sends to an UE through RRC Connection Reconfiguration message as piggybacked and some as DL Info transfer.

I want to know, Is there any procedure exists in lte when an UE receives RRC Connection Reconfiguration along with NAS message and responds back to network with NAS message first and then Reconfiguration Complete to eNodeB.

Usually, I saw UE sends RRC Connection Reconfiguration Complete message first then NAS response message.

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