Recent posts under tag mme

+2 votes

2 answers

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

posted Feb 11, 2016 by Harshita

+2 votes

0 answers

LTE : What is th use of "Tunnel Information for BBF" IE carrying within the handover notify message ?

posted Feb 11, 2016 by Harshita

+2 votes

1 answer

LTE: When does an UE trigger Tracking Area complete message towards the network ?

posted Feb 7, 2016 by Vikram Singh

+2 votes

1 answer

LTE: Why does UE include "Last visited registered TAI" information while sending Attach Request message to MME ?

posted Feb 1, 2016 by Harshita

+4 votes

1 answer

When does MME execute Identification procedure ?

posted Jan 31, 2016 by Neeraj Mishra

+2 votes

0 answers

LTE: Why the default value of mobile reachable timer is kept 4 minutes more than the Timer T3412 timer value ?

posted Jan 31, 2016 by Harshita

+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

2 answers

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

posted Jan 28, 2016 by Harshita

+2 votes

0 answers

LTE: How long MME maintain UE context when UE does not send TAU Request message even after the expiry of TAU timer ?

posted Jan 26, 2016 by Vikram Singh

+2 votes

1 answer

LTE: How an UE come to know whether it has to perform periodic TAU or not ?

posted Jan 26, 2016 by Harshita

+1 vote

0 answers

LTE : How does MME keep mapping of "TAI list" that is assigned to UE against the "LAI" assigned to UE ?

posted Jan 26, 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

+2 votes

1 answer

How MME selects HSS?

posted Jan 20, 2016 by Vakati Abilasn

+1 vote

1 answer

What does MME user state contains and what is exact meaning of "state" here?

posted Jan 20, 2016 by Vakati Abilasn

+1 vote

1 answer

Is the message that the MME sends the UE containing its allocated IP address encrypted?

posted Jan 12, 2016 by Jad Said

+1 vote

0 answers

When does transfer syntax error come after initial context setup request?

posted Jan 7, 2016 by anonymous

+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

+1 vote

1 answer

Is it possible that a specific MME has two MME Codes in LTE?

posted Jan 7, 2016 by anonymous

+5 votes

0 answers

Who does radio bearer mapping during UTRAN to E-UTRAN handover where source RNC is pre-release 8

posted Dec 28, 2015 by anonymous

+2 votes

1 answer

LTE: In what scenarios a MME starts using new Kasme ?

posted Dec 26, 2015 by Vikram Singh

+4 votes

1 answer

Why does HSS generate multiple authentication vectors during the authentication procedure ?

posted Dec 26, 2015 by Vikram Singh

+4 votes

1 answer

Does the S1-handover procedure always has to be change in MME?

posted Dec 24, 2015 by anonymous

+2 votes

2 answers

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

posted Dec 21, 2015 by Vikram Singh

+3 votes

1 answer

What is the use of cancel location procedure and when does it get trigger ?

posted Dec 16, 2015 by Ganesh

+2 votes

1 answer

LTE: When does a LTE UE trigger service request towards MME ?

posted Dec 14, 2015 by Ganesh Kumar

+3 votes

1 answer

LTE: How TAU procedure can differ for different eNodeBs/cells of a tracking area ?

posted Dec 14, 2015 by Ganesh Kumar

+1 vote

0 answers

Can anybody tells me failure reasons for PDP cut off ?

posted Dec 14, 2015 by Manish Sharma

+1 vote

1 answer

LTE: How does network define the list of tracking area identities for a user ?

posted Nov 25, 2015 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

+2 votes

1 answer

What is the Significance of Repetition Period and Number of Broadcasts Requested IE's in WRITE-REPLACE WARNING REQUEST

posted Nov 18, 2015 by M.chandra Sheker

+3 votes

0 answers

CLR to MME during CSFB

posted Nov 9, 2015 by Michael Semama

+3 votes

2 answers

LTE: How does TAU procedure work ?

posted Nov 4, 2015 by Harshita

+3 votes

1 answer

What is the purpose of Paging DRX IE in S1AP Paging message?

posted Oct 30, 2015 by Gnanendra Reddy

+3 votes

0 answers

What should be the realm name with a direct connection between HSS and MME, should it be same or different?

posted Oct 8, 2015 by anonymous

+2 votes

1 answer

Why MME has to send Paging Drx in S1AP paging messge?

posted Oct 7, 2015 by Badikela Mahesh

+2 votes

1 answer

Can One S1-AP Paging message contain multiple UE ID's for Paging.

posted Oct 6, 2015 by Mallikharjuna Reddy

+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

0 answers

Why 1.4Mhz is the Minimum Bandwidth in LTE

posted Sep 25, 2015 by Mallikharjuna Reddy

+4 votes

0 answers

3G to 4G Handover without S6d interface?

posted Sep 15, 2015 by Tribhuwan

+1 vote

1 answer

PS HO for LTE to 3G failing for RLC UM not supported UE

posted Sep 9, 2015 by Bijit Deb

+3 votes

1 answer

MME Paging UE in PS Mode

posted Sep 8, 2015 by Asad Mehmood

+3 votes

1 answer

How does a SGW come to know whether CS Request message is received as part of Attach procedure or Handover Procedure ?

posted Sep 7, 2015 by Harshita

+1 vote

1 answer

LTE : How does an MME select SGW for a new user and what things/terms are considered while selecting SGW ?

posted Sep 6, 2015 by Vikram Singh

+2 votes

1 answer

LTE: What is the maximum no. of PLMNs served by a MME in MME pool ?

posted Sep 6, 2015 by Harshita

+2 votes

1 answer

LTE: Please explain the procedure of Detach Request (Network Initiated) in detail?

posted Aug 10, 2015 by Naveen Yanamaddi

+4 votes

1 answer

LTE: What does "Minimum Time to MBMS Data Transfer" IE signify in the MBMS Session Start Request message ?

posted Aug 8, 2015 by Vikram Singh

+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

+3 votes

1 answer

What MME shall perform when receiving S1 path switch request (changing tac and lac for the UE) after a NAS tau request?

posted Jul 18, 2015 by anonymous

+1 vote

1 answer

Can a HSS initiate detach procedure for an UE from the LTE network ?

posted May 31, 2015 by Harshita