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LTE: What does mean by cause "loadBalancingTAUrequired" of RRC Connection Release ?

+4 votes
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Can someone please explain about the cause "loadBalancingTAUrequired" ?

posted Apr 26, 2014 by Harshita

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1 Answer

+1 vote

The RRC CONNECTION RELEASE procedure can be used for MME load balancing. If an MME feels overloaded, it can simply move the calls to other MME in the MME pool. The source MME releases the S1 connections of the UE towards the eNodeB asking the UE to perform a “load balancing TAU”. Then the eNodeB sends RRC CONNECTION RELEASE message to the UE with cause ‘load balancing TAU required'. After receiving this message, the UE initiates Tracking Area Updating procedure which is redirected to another MME

answer Nov 11, 2014 by Gnanendra Reddy
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