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Question posted by vimal kumar mishra

0 votes
1 answer
5G: In which scenario AMF would include only AMF UE NG-AP ID in the UE Context Release Cmd ?
posted May 25, 2020
  • amf
  • 5g
  • gnb
  • ran
  • lte
0 votes
0 answers
5G: What would be the preferred approach to enable international roaming in 5G Network ?
posted May 24, 2020
  • 5g
  • telecom
  • core network
  • roaming
0 votes
1 answer
5G: How the user plane data flow between CU- UP and DU-UP ?
posted May 22, 2020
  • 5g
+3 votes
0 answers
5G: What is the reason of removing GTP-C and Diameter protocols from next generation core network ?
posted Jul 12, 2019
  • 5g
  • telecom
  • core network
  • gtp
0 votes
0 answers
Is anyone working on 5G core network nodes considering service based architecture ?
posted May 18, 2019
  • 5g
  • core network
  • telecom
  • lte
+2 votes
0 answers
Has anybody used srsLte open source LTE software suite ?
posted Dec 5, 2018
  • opensource
  • lte
  • enb
0 votes
0 answers
Which one is better kafka v/s rabbitMQ for the messaging solution ?
posted Nov 2, 2018
  • cloud
  • virtualization
0 votes
1 answer
SPR: Is Sp interface with PCRF proprietary to an operator ?
posted Oct 3, 2018
  • lte
  • diameter
  • pcrf
+1 vote
0 answers
LTE: How does PGW handle DHCP messages exchanged between UE and DHCP server for two different APNs ?
posted Aug 8, 2018
  • lte
  • dhcp
  • pgw
  • ue
+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
  • lte
  • enodeb
  • mme
  • s1ap
+1 vote
0 answers
LTE: Which cause MME sends in s1-setup failure when TAI received in S1-setup request not found at MME ?
posted May 18, 2018
  • lte
  • epc
  • s1ap
  • enodeb
  • mme
+5 votes
0 answers
LTE: Why presence of Tracking Area Identity (TAI) and E-UTRAN CGI (ECGI) IEs is mandatory in Uplink NAS Transport ?
posted May 16, 2018
  • lte
  • mme
  • enodeb
  • s1ap
  • nas
+3 votes
1 answer
OpenStack: Difference between "nova hypervisor-list" and "nova service-list" commands ?
posted Oct 29, 2017
  • openstack
  • opensource
  • virtualization
  • cloud computing
  • interview questions
+1 vote
0 answers
MySql: Does MySql support C callback API for data change notification ?
posted Jun 13, 2016
  • mysql
  • dbms
+2 votes
2 answers
LTE: When static and dynamic IP addresses are assigned to UE in LTE attach procedure ?
posted Jun 11, 2016
  • lte
+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
  • lte
  • mme
  • enodeb
  • s1ap
  • ue
+1 vote
1 answer
LTE : Neighbor Relationship Table is maintained per cell or per eNodeB ?
posted Feb 25, 2016
  • lte
  • enodeb
+1 vote
1 answer
LTE : In which scenario, UE sends "random number" within the RRC connection request message ?
posted Jan 13, 2016
  • lte
  • ue
  • enodeb
  • rrc
+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
  • lte
  • mme
  • core
  • enodeb
+3 votes
1 answer
Gx: Does anyone have Gx interface wireshark logs ?
posted Dec 27, 2015
  • pcef
  • pcrf
+3 votes
2 answers
LTE : What MME will do if handover gets failed ?
posted Dec 18, 2015
  • lte
  • handover
  • enodeb
  • ue
  • s1ap
+3 votes
2 answers
Is it necessary HSS and S-CSCF both the nodes belongs to home network for an IMS call ?
posted Nov 6, 2015
  • lte
  • volte
  • sip
  • ims
+4 votes
0 answers
LTE: How PCI should be selected for different neighboring cells (having same frequency) to avoid interference ?
posted Sep 30, 2015
  • lte
  • enodeb
  • phy
+3 votes
2 answers
LTE: When does a network prefer periodic tracking area update from an UE ?
posted Sep 29, 2015
  • lte
  • mme
  • ue
  • nas
+2 votes
1 answer
What MME does when it receives "S1-setup request" from eNodeB with an unknown TAC ?
posted May 20, 2015
  • mme
  • enodeb
  • s1ap
+4 votes
1 answer
How bearer level charging differ from service level charging ?
posted Apr 24, 2015
  • lte
  • charging
+1 vote
1 answer
What does mean by higher priority cells for an UE in lte ?
posted Apr 10, 2015
  • lte
  • wireless
  • ue
+5 votes
1 answer
Does all MME belong to a pool have connection with eNodeB belongs to the same pool ?
posted Mar 27, 2015
  • lte
  • mme
  • enodeb
+2 votes
0 answers
What are all actions taken by MME, when UE context Modification or E-RAB Modification procedure gets failed ?
posted Sep 4, 2014
  • lte
  • mme
  • s1ap
  • enodeb
+1 vote
0 answers
LTE ACCESS: What probably the ratio of PUSCH and PDSCH resources while deploying an eNodeB ?
posted Aug 7, 2014
  • lte
  • enodeb
  • pusch
  • pdsch
  • mac
+3 votes
1 answer
IMS: Does the PGW has static configuration of P-CSCF or dynamic ?
posted Jun 11, 2014
  • lte
  • cscf
  • sip
  • volte
  • pgw
+1 vote
1 answer
C: How to implement garbage collector in C language ?
posted Jun 4, 2014
  • c programming
  • data structures
  • c
  • java
0 votes
1 answer
LTE: What are actions taken at source eNodeB or MME in case of partial resource allocation as part of HO procedure?
posted May 29, 2014
  • lte
  • enodeb
  • handover
  • mme
  • s1ap
+1 vote
1 answer
LTE: What are all parameters considered by an eNodeB while giving UL grant for an UE ?
posted May 27, 2014
  • lte
  • enodeb
  • ue
  • scheduling
  • mac
+1 vote
1 answer
LTE-Advanced : In 3GPP Release 11, EPDCCH is introduced. What are going to achieve using EPDCCH ?
posted May 25, 2014
  • lteadvanced
  • lte
+1 vote
1 answer
LTE: Why does one to many relationship required between an eNodeB and multiple MMEs ?
posted May 13, 2014
  • lte
  • enodeb
  • mme
0 votes
1 answer
LTE: What does source MME execute "Relocation Cancel Procedure" ?
posted May 8, 2014
  • lte
  • mme
  • handover
  • s10
+2 votes
2 answers
LTE: What does impacts at eNodeB MAC scheduler , if an UE has GBR bearer as default bearer ?
posted May 8, 2014
  • lte
  • mme
  • enodeb
  • mac
+2 votes
1 answer
NTP : How does a system (client) synchronize with a NTP server at the granularity of microseconds ?
posted May 4, 2014
  • os
  • networking
+1 vote
1 answer
LTE: What MME does in case of overloaded situation ?
posted Apr 28, 2014
  • lte
  • enodeb
  • mme
+3 votes
0 answers
LTE: Why does UE configured to trigger A1 and A2 events as part of normal attach ?
posted Apr 23, 2014
  • lte
  • enodeb
  • ue
  • measurement
+2 votes
1 answer
LTE handover: Why does "TAC" required as part of "Target Id" IE within the forward relocation request message ?
posted Apr 21, 2014
  • lte
  • enodeb
  • handover
  • mme
  • s10
+4 votes
0 answers
LTE: Can someone please share wireshark logs for successful handover with MME and SGW relocation ?
posted Apr 19, 2014
  • lte
  • handover
  • mme
  • sgw
  • enodeb
+4 votes
1 answer
LTE: When UE sends NAS message to MME before sending rrc connection reconfiguration complete to the eNodeB ?
posted Apr 9, 2014
  • lte
  • mme
  • enodeb
  • ue
  • nas
+2 votes
2 answers
DIAMETER: Does Proxy Agent validate presence of a mandatory field for an incoming diameter message ?
posted Apr 9, 2014
  • diameter
  • lte
  • pcrf
  • pcef
+2 votes
1 answer
DIAMETER: What is the significance of Encrypted AVP within a diameter message ?
posted Apr 2, 2014
  • diameter
  • encryption
+1 vote
1 answer
LTE: Why does MIB transmit only on "sub frame 0" of each radio frame ?
posted Apr 1, 2014
  • lte
  • enodeb
  • ue
+1 vote
1 answer
LTE: Can someone please share SIP call flow through the lte network ?
posted Mar 30, 2014
  • sip
  • lte
  • ue
+1 vote
1 answer
DIAMETER: What is the method to generate a unique "session id" for a diameter session ?
posted Mar 30, 2014
  • diameter
+1 vote
2 answers
LTE: What does the use of SR-periodicity while handing Scheduling request ?
posted Mar 29, 2014
  • enodeb
  • ue
  • mac
  • lte
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