top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

Which of the following statements are FALSE regarding S1-based handover?

0 votes
1,456 views

Which of the following statements is FALSE regarding the S1-based handover?

A. The SGW may be relocated.
B. The MME may be relocated.
C. Direct data forwarding via the X2 interface may be used.
D. Indirect data forwarding via the SGW may be used.
E. None of the above statements are false.

posted Jun 17, 2014 by Juan Cruz Mikelsen

Share this question
Facebook Share Button Twitter Share Button LinkedIn Share Button
C Should be False .........
commented Sep 10, 2014 by anonymous

1 Answer

0 votes

E. None of above statements are false.

answer Jun 18, 2014 by Rupam
l think , it s1-based handover is used when x2 is not available or not??
commented Jun 18, 2014 by Juan Cruz Mikelsen
S1-based handover can also be used when x2-based handover fails.
commented Jun 18, 2014 by Sudhansu Sekhar Nanda
I do not understand, would not be the FALSE C. Direct data forwarding via the X2 interface May be used???
commented Jun 18, 2014 by Juan Cruz Mikelsen
Similar Questions
+1 vote
Would there be an advantage of X2 based handover over S1 based handover, when X2 physically spans the same path as S1?

In case of hub-and-spoke topology, X2 messaging can travel all the way back to an aggregation point, which may be co-located with EPC. In such scenario both X2 and S1 traverses same physical path (a.k.a X2 over S1). Please consider both Intra-MME and Inter-MME handover scenarios. Would X2 based handover in such a case yield advantage over S1 based handover. Thanks.

+5 votes
LTE S1-AP handover : How does a source mme find out the target mme as part of MME relocation based handover ?

As part of S1-AP procedure with MME relocation, Handover Required message sent to source MME. Target eNodeBId is present within the handover required. How source MME figure out target cell is being served by XYZ MME and sends "Forward relocation Request" message to XYZ MME.

Please provide reference also if it is there ?

0 votes
LTE: How the uplink and downlink data flow through indirect data forwarding tunnels in S1- handover ?

I went through the call flow diagram that is shown in 23.401 specification and tried to understand data flow (down link and up link both) through indirect data tunnels. I was bit confused that's why post my query here.

...