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Most viewed questions under tag nas

+3 votes
2 answers
LTE: How does TAU procedure work ?
posted Nov 4, 2015 by Harshita
  • lte
  • mme
  • nas
  • 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
+1 vote
1 answer
LTE: How Replay protection works and why it is required ?
posted Oct 16, 2013 by Vikram Singh
  • lte
  • epc
  • nas
+2 votes
0 answers
LTE: What is the significance of presence of "EPS bearer context status" IE with the TAU ?
posted Jun 11, 2014 by Neelam
  • lte
  • mme
  • nas
  • ue
+4 votes
1 answer
How can we send multiple UE paging records?
posted Sep 30, 2015 by Badikela Mahesh
  • lte
  • enodeb
  • rrc
  • paging
  • nas
0 votes
1 answer
NAS Attach Complete message contains 2 security header type IEs and 2 protocol discriminator IEs
posted Jun 23, 2014 by anonymous
  • lte
  • nas
+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
+3 votes
2 answers
Why does authentication procedure need to complete before security activation ?
posted Mar 10, 2015 by Harshita
  • lte
  • nas
  • mme
  • ue
+2 votes
2 answers
Which NAS message is sent by UE to establish a dedicated bearer in LTE network ?
posted May 31, 2015 by Harshita
  • lte
  • ue
  • nas
+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
+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
+1 vote
1 answer
How to handle NAS messages at RRC?
posted Jul 18, 2014 by anonymous
  • lte
  • rrc
  • nas
+5 votes
1 answer
Difference between NAS level congestion control and APN based congestion control ?
posted Oct 18, 2014 by Harshita
  • lte
  • nas
+3 votes
1 answer
How does network behave when UE sends TAU to a new/different MME ?
posted Feb 1, 2015 by Harshita
  • lte
  • mme
  • nas
  • ue
–1 vote
0 answers
Does NAS messages affected while doing Hand over procedure in LTE or 5G ?
posted Dec 1, 2020 by anonymous
  • nas
  • lte
  • mme
  • ue
  • interview questions
+3 votes
0 answers
LTE: On what basis MME prepare list of TAI for an UE when it attach to the network ?
posted Jul 20, 2017 by Harshita
  • lte
  • mme
  • nas
  • ue
0 votes
0 answers
5G: How does 5G Authentication and Key Agreement (5G-AKA) work ?
posted Feb 13, 2018 by Harshita
  • 5g
  • security
  • ue
  • nas
  • rrc
+2 votes
0 answers
How does alert procedure work for non-EPS services for an UE in lte network ?
posted Feb 11, 2015 by Vikram Singh
  • lte
  • ue
  • nas
0 votes
0 answers
Samba vs NAS vs NFSv4
posted Jul 1, 2013 by anonymous
  • samba
  • nas
  • nfsv4
0 votes
0 answers
LTE: How does up-link traffic flow template work at UE side ?
posted Aug 9, 2018 by Harshita
  • lte
  • ue
  • traffic
  • nas
  • pdcp
+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
+2 votes
1 answer
LTE: What is the difference between Algo ID and Algo distinguisher while generating security keys ?
posted Feb 19, 2016 by Harshita
  • lte
  • security
  • nas
+1 vote
0 answers
LTE: Why security header type is defined "1100" only for a special NAS message i.e Service Request message ?
posted Sep 28, 2016 by Neelam
  • lte
  • nas
  • mme
  • ue
+2 votes
0 answers
LTE: Can TAU timer be modified at run time or it is always static ?
posted Jun 11, 2014 by Neelam
  • lte
  • epc
  • ue
  • nas
+2 votes
0 answers
Is there any scenario where the Tracking area update request sent be the ue will not be integrity protected?
posted Aug 26, 2016 by Lavanya L
  • lte
  • mme
  • nas
0 votes
0 answers
LTE: APN included in PDN Connectivity procedure.
posted Mar 12, 2020 by anonymous
  • lte
  • ue
  • nas
+1 vote
0 answers
What are the mobility scaling factors- sf-high and sf-medium?
posted Jun 22, 2016 by Sivakumar.d
  • lte
  • ue
  • rrc
  • nas
+1 vote
1 answer
LTE : Why does UE maintain various lists ?
posted Jun 3, 2014 by Vikram Singh
  • lte
  • ue
  • mme
  • nas
0 votes
0 answers
5G: Which all NAS messages considered mandatory to be integrity protected ?
posted Feb 13, 2018 by Harshita
  • 5g
  • nas
  • telecom
  • core
  • ue
+2 votes
0 answers
LTE: What MME does when it receives indication from UE saying it supports LPP (LTE Positioning Protocol) ?
posted Aug 6, 2016 by Vikram Singh
  • lte
  • mme
  • ue
  • nas
+1 vote
1 answer
What is on demand system information transfer in 5G
posted Mar 5, 2018 by Mallikharjuna Reddy
  • lte
  • ue
  • nas
  • 5g
0 votes
0 answers
Maximum capacity of PDSCH and PUSCH
posted Jun 6, 2014 by anonymous
  • lte
  • nas
  • bandwidth
+1 vote
0 answers
5G: What is multiple active NAS connection concept in 5G network and when an UE would have such multiple connection ?
posted Feb 17, 2018 by Harshita
  • 5g
  • lte
  • security
  • nas
  • core network
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