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what is the difference between native GUTI and mapped GUTI?

+2 votes
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In LTE, during intital attach, UE will include Native or Mapped GUTI.. But what is mean by Native or mapped GUTI?

Thanks in advance

posted Sep 24, 2015 by Suresh Kumar

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1 Answer

+2 votes

Native Guti assigned by MME which is local to MME,but mapped GUTI as name suggests it is derived from 3G IEs like PTMSI and RAI.

answer Dec 10, 2015 by Debasish Mitra
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I am looking for a method by which this mapped GUTI is constructed.
I just know that it is useful in inter-RAT mobility but does not know how it is constructed which RAT is responsible to generate this mapped Id.

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