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Most answered questions under tag mme

+3 votes
1 answer
Is TAC (tracking area code) required for Mme configuration?
posted Jul 19, 2017 by anonymous
  • lte
  • mme
  • enodeb
  • ue
+2 votes
1 answer
LTE: Does the application function (AF) involve during the establishment of each dedicated bearer (GBR/non-GBR) ?
posted Jul 18, 2017 by Harshita
  • lte
  • core network
  • mme
  • policy
  • pgw
+2 votes
1 answer
Does Mme also sends Purge(PUR) to HSS when MME receives detach request from enodeb side?
posted Jun 19, 2017 by Rakesh Kumar Suman
  • mme
  • lte
  • hss
  • diameter
+1 vote
1 answer
LTE: Difference between default and dedicated bearer and on what basis it is decided which one to establish ?
posted Jun 12, 2017 by Vikram Singh
  • lte
  • mme
  • ue
  • nas
  • enodeb
+2 votes
1 answer
LTE: After which LTE procedure, MME fetches the UE subscription details from the HSS ?
posted Jun 11, 2017 by Ganesh
  • lte
  • mme
  • hss
  • diameter
  • ue
0 votes
1 answer
How MME selects SGW?Based on what parameter MME selects SGW?
posted Jun 6, 2017 by Rohit Verma
  • lte
  • mme
  • sgw
+1 vote
1 answer
What is TFT?Is it an Id or is it derived from the IP header of the packet(i.e. type of service field)?
posted May 16, 2017 by Bharat Kumar
  • lte
  • mme
  • ue
  • nas
0 votes
1 answer
How Roaming charges and procedure will happen in LTE?
posted May 5, 2017 by Dheerendra
  • lte
  • ue
  • mme
  • telecom
  • enodeb
+1 vote
1 answer
What is format/datatype of apn in egtpc, mme in case of more level ?
posted Apr 28, 2017 by Rakesh Kumar Suman
  • lte
  • mme
  • hss
  • gtp
  • diameter
+2 votes
1 answer
How MME selects HSS? Is it based on DNS or predefined configuration ?
posted Apr 7, 2017 by Ankit Mishra
  • lte
  • mme
  • hss
+2 votes
1 answer
what is difference between ULR and AIR ? what is the condition mme will trigger these messages ?
posted Apr 4, 2017 by anonymous
  • lte
  • mme
  • enodeb
+1 vote
1 answer
when mme initiates Authentication Information request(AIR)/ULR/PUR ?
posted Apr 4, 2017 by Rakesh Kumar Suman
  • lte
  • mme
  • enodeb
+2 votes
1 answer
ERAB modification fail due to radio interface procedure in EnodeB Nokia
posted Jan 26, 2017 by Jalloul Bouchkara
  • lte
  • enodeb
  • mme
  • s1ap
+2 votes
1 answer
LTE: Why SGW includes ARP while sending downlink data notification to MME ?
posted Jan 6, 2017 by Harshita
  • lte
  • interview questions
  • sgw
  • mme
  • s11
+1 vote
1 answer
LTE: When and why MME decides to assign new GUTI?
posted Dec 12, 2016 by anonymous
  • lte
  • mme
0 votes
1 answer
LTE: Does the network re-establish DRBs as part of tracking area update (TAU) procedure ?
posted Nov 25, 2016 by Vikram Singh
  • lte
  • mme
  • interview questions
0 votes
1 answer
For a new UGW into the network.....Is there any IP configuration required at eNodeB level??
posted Nov 25, 2016 by anonymous
  • lte
  • enodeb
  • mme
+1 vote
1 answer
LTE: What target eNodeB does in case it receives "Path switch request failure" from MME ?
posted Nov 20, 2016 by Neelam
  • mme
  • enodeb
  • s1ap
  • handover
+3 votes
1 answer
UE Context at Source(old) MME
posted Oct 17, 2016 by Mohanraj R
  • lte
  • handover
  • mme
+2 votes
1 answer
LTE:: Is it possible to modify multiple APN-AMBR information for single UE at the same time???
posted Oct 13, 2016 by Hamesh Raja M A
  • lte
  • apn-ambr
  • hss
  • mme
  • s-gw
0 votes
1 answer
How UE can listen to the paging messages at the time of DRX cycles?
posted Oct 3, 2016 by Sneha Maganahalli
  • lte
  • mme
  • paging
  • drx
  • ue
+1 vote
1 answer
How MME will handle the paging messages related to many UEs?
posted Oct 3, 2016 by Sneha Maganahalli
  • lte
  • mme
+1 vote
1 answer
Is there any relation between MME pool area and SGW service area?On which factor a SGW is selected for a particular MME?
posted Oct 2, 2016 by Bhagyashree R
  • lte
  • mme
  • sgw
+1 vote
1 answer
Till when the eNB-S1AP ID is stored in the MME? and till when the MME-S1AP-ID is stored in the eNB?
posted Sep 26, 2016 by Sneha Maganahalli
  • lte
  • mme
  • enodeb
+2 votes
1 answer
Where does MME sits in The LTE network in practical? I mean whether it is hardware or software component??
posted Sep 13, 2016 by Sneha Maganahalli
  • lte
  • mme
+2 votes
1 answer
LTE: What will happen if MME fails to send modify bearer request message to SGW during the attach procedure ?
posted Sep 2, 2016 by Ganesh
  • lte
  • mme
  • sgw
+3 votes
1 answer
TAU procedure in Connected mode and Idle
posted Aug 9, 2016 by Arijit Chakraborty
  • lte
  • mme
  • enodeb
  • nas
+3 votes
1 answer
How network decides when to do handover in LTE?
posted Aug 5, 2016 by Arijit Chakraborty
  • lte
  • handover
  • enodeb
  • mme
+2 votes
1 answer
How APN values will be updated in modify bearer command message when updating both APN values at HSS?
posted Aug 4, 2016 by anonymous
  • lte
  • hss
  • mme
+3 votes
1 answer
LTE: Why does network send primary and secondary DNS servers IP addresses in attach accept message ?
posted Jul 10, 2016 by Neeraj Mishra
  • lte
  • mme
  • pgw
+3 votes
1 answer
LTE: When does a MME in roaming network select its own PGW and when it selects PGW of home network ?
posted Jul 9, 2016 by Neeraj Mishra
  • lte
  • mme
  • core
+1 vote
1 answer
LTE: Can an eNodeB start broadcasting/stop broadcasting additional PLMN without restarting ?
posted May 8, 2016 by Harshita
  • lte
  • enodeb
  • mme
  • ran sharing
+3 votes
1 answer
When MME assigns New GUTI to UE
posted May 6, 2016 by Mohanraj R
  • lte
  • mme
+3 votes
1 answer
LTE: How does MME of one network resolve address of HSS belong to other network in roaming scenarios ?
posted May 1, 2016 by Neeraj Mishra
  • lte
  • mme
  • core
  • hss
+3 votes
1 answer
LTE: What could be the consequences of having default bearer with GBR QoS rather than as a non-GBR ?
posted Mar 5, 2016 by Harshita
  • lte
  • enodeb
  • mme
  • epc
+3 votes
1 answer
LTE: How does an eNodeB construct ECGI and TAI for an UE while sending messages like "Initial UE message " ?
posted Feb 29, 2016 by Vimal Kumar Mishra
  • lte
  • mme
  • enodeb
  • s1ap
  • ue
+2 votes
1 answer
LTE: When does an UE trigger Tracking Area complete message towards the network ?
posted Feb 7, 2016 by Vikram Singh
  • lte
  • mme
  • nas
  • ue
+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
  • lte
  • mme
+4 votes
1 answer
When does MME execute Identification procedure ?
posted Jan 31, 2016 by Neeraj Mishra
  • lte
  • mme
+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
  • lte
  • mme
  • nas
  • ue
+2 votes
1 answer
How MME selects HSS?
posted Jan 20, 2016 by Vakati Abilasn
  • lte
  • mme
  • hss
+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
  • lte
  • mme
+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
  • mme
  • ue
  • lte
+1 vote
1 answer
Is it possible that a specific MME has two MME Codes in LTE?
posted Jan 7, 2016 by anonymous
  • lte
  • mme
+2 votes
1 answer
LTE: In what scenarios a MME starts using new Kasme ?
posted Dec 26, 2015 by Vikram Singh
  • lte
  • mme
  • hss
  • authentication
+4 votes
1 answer
Why does HSS generate multiple authentication vectors during the authentication procedure ?
posted Dec 26, 2015 by Vikram Singh
  • lte
  • mme
  • authentication
  • hss
  • diameter
+4 votes
1 answer
Does the S1-handover procedure always has to be change in MME?
posted Dec 24, 2015 by anonymous
  • lte
  • handover
  • mme
+3 votes
1 answer
What is the use of cancel location procedure and when does it get trigger ?
posted Dec 16, 2015 by Ganesh
  • lte
  • mme
  • hss
  • diameter
+2 votes
1 answer
LTE: When does a LTE UE trigger service request towards MME ?
posted Dec 14, 2015 by Ganesh Kumar
  • lte
  • mme
  • ue
+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
  • lte
  • mme
  • core
  • nas
  • ue
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