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LTEADVANCE: why eNB sending separate rrc connection reconfiguration for configuration of each Scell?

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Why eNB sending separate rrc connection reconfiguration for configuration of each scell? Why eNB not sending configuration of all scell in single rrc connection reconfiguration?

posted Oct 16 by anonymous

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+1 vote

Why eNB sending separate configuration for Scelltoaddmod for every component carrier?
eNB can be sent it in a single Scelltoaddmod list in RRC connection reconfiguration by including different Cell index, phycell id and carrier freq.

+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.

+3 votes

We know before taking decision for handover in LTE system measurement reports are taken into account for an UE. UE has to send measurement report to enodeb but how enodeb realize that now I has to configure to UE to send measure report . To perform these measurements Ue uses concept of measurement gap and then get the information from other cell/technology/frequency. During this measurement activity UE doesn't schedule any UL/DL data and measurement procedure is also a battery consuming activity. my question is that how eNodeb trade off between measurement and UL/DL data.

+2 votes

What is the utility of srs configuration in RRC connection reconfiguration message, observed that enodeB is sending multiple RRC connection reconfiguration message within a period of 1 minute approx trying to configure srs to UE, what does this hint or mean...

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