Most answered questions under tag mme

+1 vote

4 answers

In LTE network when MME triggers for tracking area update to UE?

posted Jun 8, 2014 by anonymous

+2 votes

3 answers

what mme does once mme gets ULA(update location answer ) from HSS with respect to egtpc?

posted May 1, 2017 by Rakesh Kumar Suman

+3 votes

3 answers

LTE: What the eNodeB does when there is no target eNodeB is available to handover an UE ?

posted Jan 30, 2016 by Vikram Singh

+2 votes

3 answers

LTE: When does an eNodeB send "UE Context Release Request" message for an UE to MME ?

posted Jan 30, 2016 by Harshita

+3 votes

3 answers

How mme will react when it didn't receive WRITE-REPLACE WARNING RESPONSE after sending WRITE-REPLACE WARNING REQUEST.

posted Nov 21, 2015 by M.chandra Sheker

+3 votes

3 answers

How to determine is Charging of user is Offline or Online ?

posted Mar 30, 2015 by anonymous

+5 votes

3 answers

Difference between attach and service request message ?

posted Nov 12, 2014 by Neeraj Mishra

+1 vote

3 answers

Would there be an advantage of X2 based handover over S1 based handover, when X2 physically spans the same path as S1?

posted Jun 14, 2014 by Cellularsme .

+4 votes

3 answers

Is it possible to know from UE logs that which handover has been occurred either S1-based or X2-based ?

posted May 13, 2014 by Rahul Vaidya

+5 votes

3 answers

LTE : How does E-RAB setup procedrue work ?

posted May 5, 2014 by Neeraj Mishra

+2 votes

3 answers

LTE: When the ESM Information Request message is sent by the MME to the UE ?

posted Mar 24, 2014 by Vimal Kumar Mishra

+3 votes

3 answers

Which interface is used in a handover between two cells managed by different MMEs?

posted Nov 30, 2013 by anonymous

+6 votes

3 answers

What is the role of MME in LTE technology?

posted Nov 24, 2013 by Harshita

+1 vote

2 answers

HO: If target ENB is not serviced by source MME then How source MME sends HO request?

posted May 24, 2019 by Bharat Kumar

0 votes

2 answers

Is it mandatory that X2 connection established between cell have single MME ?

posted Sep 30, 2018 by Rakesh Kumar Suman

+3 votes

2 answers

Modification of the Default APN

posted Aug 12, 2018 by Michael Semama

+4 votes

2 answers

LTE: Does the encoding steps for PLMN vary in case of two and three digits MNC at eNodeB ?

posted Jun 1, 2018 by Vimal Kumar Mishra

+2 votes

2 answers

LTE: Why MME does replay of UE Security Capabilities in the Security mode command message ?

posted Apr 29, 2018 by Harshita

+4 votes

2 answers

Can MME send paging message without TMSI ID?

posted Feb 7, 2018 by Sakshi Rai

+1 vote

2 answers

LTE: What is the purpose of sending Bearer Resource Allocation Request to MME from UE ?

posted Dec 3, 2017 by Ganesh

0 votes

2 answers

During S1AP path switch request message, MME releases bearer for QCI 1 with radio network cause 30 and unknown erab id?

posted Aug 9, 2017 by anonymous

+2 votes

2 answers

LTE: Is it possible to share an eNodeB among multiple operators dynamically ?

posted Jul 22, 2017 by Vikram Singh

+1 vote

2 answers

LTE: Is it necessary to trigger tracking area update soon after handover procedure ?

posted Jun 27, 2017 by Harshita

+2 votes

2 answers

LTE: Why UE does not "attach complete" message along with "RRC Connection Reconfiguration Complete" ?

posted Jun 9, 2017 by Ganesh Kumar

+1 vote

2 answers

What is the difference between HSS and SPR? Why SPR is needed when HSS does the same job?

posted May 22, 2017 by Dheerendra

0 votes

2 answers

MME behavior when s1 Setup req is received twice from same eNB

posted May 16, 2017 by Sumit Deshmukh

–2 votes

2 answers

Why network triggers identity request after authentication procedure ?

posted Apr 11, 2017 by Sakshi Rai

+1 vote

2 answers

when UE send GUTI, IMSI, S-TMSI?

posted Apr 5, 2017 by anonymous

+1 vote

2 answers

LTE: Is it possible MME gets changed but SGW does not change during the handover ?

posted Nov 8, 2016 by Harshita

+1 vote

2 answers

How MME selects P-GW?

posted Oct 2, 2016 by Bhagyashree R

+6 votes

2 answers

LTE: How a LTE UE come to know whether LTE network supports IMS call or not ?

posted Jul 28, 2016 by Vikram Singh

+3 votes

2 answers

LTE: Is the inter operator handover possible between two LTE networks ?

posted Jul 21, 2016 by Harshita

+1 vote

2 answers

Is it possible to modify the QCI of the Default bearer after UE attach complete?

posted Jun 1, 2016 by Jabid

+2 votes

2 answers

Default Bearer of a UE (i.e UE1) can be Pre-emptable by another UE (i.e UE2) in Congestion?

posted Apr 12, 2016 by Mallikharjuna Reddy

0 votes

2 answers

LTE: What does eNodeB send "RRC establishment cause " in Initial UE message to MME ?

posted Mar 15, 2016 by Harshita

+2 votes

2 answers

LTE : When does eNodeB trigger handover cancel message to MME ?

posted Feb 11, 2016 by Harshita

+3 votes

2 answers

LTE: When does an eNodeB send Error Indication message to MME for an UE ?

posted Jan 28, 2016 by Harshita

+5 votes

2 answers

When does a MME trigger UE context modification procedure towards an eNodeB for an UE ?

posted Jan 24, 2016 by Harshita

+1 vote

2 answers

LTE: How does MME make out that a user belong to the home network or roaming one ?

posted Jan 7, 2016 by Vimal Kumar Mishra

+2 votes

2 answers

LTE: Why does the MME execute Update Location Procedure towards HSS ?

posted Dec 21, 2015 by Vikram Singh

+3 votes

2 answers

LTE: How does TAU procedure work ?

posted Nov 4, 2015 by Harshita

+3 votes

2 answers

LTE: When does a network prefer periodic tracking area update from an UE ?

posted Sep 29, 2015 by Vimal Kumar Mishra

+3 votes

2 answers

How eNodeB knows to which MME it should send the request when eNodeB is connected to pool of MME?

posted Jul 27, 2015 by Karan Joglekar

+1 vote

2 answers

How MME notify to LTE UE for CS call to perform CSFB when UE is in connected mode or idle mode?

posted May 29, 2015 by Veer Pal Singh Yadav

+2 votes

2 answers

How enodeb selects MME?

posted Apr 20, 2015 by Gnanendra Reddy

+3 votes

2 answers

What are the messages present between Enb and MME and How you see those messages in wireshark?

posted Apr 4, 2015 by Gnanendra Reddy

+4 votes

2 answers

What are messages transferred between MME-HSS?

posted Mar 25, 2015 by anonymous

+3 votes

2 answers

What are the IEs will be included in Notify request message when PGW id is changed at MME?

posted Mar 23, 2015 by Gnanendra Reddy

+2 votes

2 answers

How MMEs communicate to each other, are there some interfaces likes S1/X2 for communication between MMEs?

posted Mar 15, 2015 by anonymous

+3 votes

2 answers

Why does authentication procedure need to complete before security activation ?

posted Mar 10, 2015 by Harshita