top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

LTE: Why does one to many relationship required between an eNodeB and multiple MMEs ?

+1 vote
422 views

We know, in lte, an eNodeB can connect to multiple MMEs. Can someone please explain in details ?
Apart from load balancing, is there any other reason ?

posted May 13, 2014 by Vimal Kumar Mishra

Share this question
Facebook Share Button Twitter Share Button LinkedIn Share Button
Its not just load balancing, connection to the multiple MME make an inbuild redundancy in the system. In the UMTS/GSM operator need to install the MSC and an redundant MSC (in most of the cases) which can be saved here.

1 Answer

0 votes

LTE Ran-Sharing feature, eNodeB connects to multiple MMEs using s1-flex.

answer Jun 12, 2014 by Sanjeet Kumar
Similar Questions
+2 votes

I understood the basics of MOCN through which same eNodeB is controlled/used by multiple operators. Is it possible to do on dynamic basis ? if yes then what all things need to be coordinated among operators to make it happen smoothly ?

0 votes

Which parameters at eNodeB would be taken into consideration to trigger 'n' numbers of S1 connections with same MME or different MMEs ?
Note: My query is related to macro eNodeB.

+3 votes

Need clarity on following items:
1. What is the use of "UE selected plmn" information for an eNodeB ?
2. Is the ECGI/TAI constructed based on the primary plmn (PLMN broadcasted in 0th index in SIB1 ) or based on the UE selected PLMN ?

...