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which signaling message is triggered by Ue when it moves frome one sector to another sector of same eNB.

+2 votes
131 views

I have a query regarding sectors supported by an eNB. one more related query, how eNB scheduler works across sectors to schedule resources?

posted Aug 25, 2013 by Vimal Kumar Mishra

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Though I have no idea about the scheduling, check if the following white papers can help you (even if it is not related with your query then also worth to read)
http://www.roke.co.uk/resources/white-papers/0485-LTE-Radio-Bearer-QoS.pdf
http://www.roke.co.uk/resources/white-papers/0486-LTE-Radio-Resource.pdf

1 Answer

+2 votes

IN LTE ,each sector is a cell.If the UE is in idle mode then cell reselection procedure is triggered.In connected mode HO should be triggered for cell change.
There should be independent MAC Scheduler instances running for each of the Cells.

answer Aug 26, 2013 by Sony Mohanty
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+11 votes

If I am right, an eNodeB can support multiple cells and each cell has different pci.
Now suppose enodeB has two cells i.e cell1 and cell2. If I am going right, both the cell(s) should have different PCIs.
I have assumed UE is attached to cell1 and due to mobility, it is moved to cell2. During this movement, what message shall be exchanged between UE and enodeB. And Is there any message send to MME regarding the new cell ?

0 votes

What is content of Short-MACI and how it verified by Receiver? please explain?

+3 votes

Suppose I have two eNBs, configured as S1 intra-frequency neighbours and my UE is attached to one of them. There is no X2 connection present between them.
Now, I have done admin down to the source eNB. So, HO process is triggered. As a consequence of this, source eNB sends HO required message to MME.

My query is, in this HO required message, what should be the value of ac-BarringFactor??
Should it be P00 or the last value set before admin down(e.g., P95)?

+3 votes

PagingUE-Identity ::= CHOICE {
s-TMSI S-TMSI,
imsi IMSI,
...
}

As pagingUE identity should contain any one of these in paging message so how MME decides which one to send, though for security purpose MME prefers t-o send send S-TMSI but in which scenarion MME wil use imsi as paging ue identity.

+3 votes

During the Handover from LTE to WiFi, how an UE is authenticated at WiFi network ?
Is there any difference in authentication procedure when UE is handed over to un-trusted or trusted WiFi network ?


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