Most viewed questions under tag core network

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5G: What is the significance of new terms "SUCI" and "SUPI" ? And also which all places both are used ?

posted Feb 13, 2018 by Harshita

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5G: What is mobile initiated connection only (MICO) mode and how this mode is used by 5G core ?

posted Feb 6, 2018 by Ganesh

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5G: What is the significance of "data network name" (DNN) and how it is different from LTE APN ?

posted Sep 20, 2018 by Harshita

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LTE: What is the role of policy and charging rule function (PCRF) during the attach procedure ?

posted Oct 25, 2018 by Vikram Singh

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5G: What is meant by PDU session types and why these different types are required ?

posted Feb 5, 2018 by Ganesh

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5G: How paging procedure is going to be implemented in 5G network ?

posted Jun 3, 2018 by Harshita

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5G: How attach procedure call flow differ in CUPS based network compared to the normal LTE network ?

posted Apr 3, 2018 by Harshita

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What is RTP Gap? and how could we improve it?

posted Jul 23, 2018 by anonymous

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5G: What is the difference between LTE attach and 5G registration procedure ?

posted Jul 17, 2018 by Harshita

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5G: How can we compare 5G AMF selection at NG-RAN node to MME selection at LTE-eNodeB ?

posted Mar 25, 2018 by Harshita

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5G: What is the basic difference between AMF and SMF also what kinds of functions covered by each of them ?

posted Feb 4, 2018 by Ganesh

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5G: What is the job of Network Repository Function (NRF) in 5G network ?

posted Jun 27, 2018 by Harshita

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5G: What is the difference between paging and notification procedure ?

posted Feb 19, 2018 by Ganesh

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5G: What's role SIDF play in the 5G network ?

posted Feb 17, 2018 by Harshita

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5G: How authentication is different in 5G compare to LTE ?

posted Jun 9, 2018 by Harshita

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5G: How registration management is different from connection management ?

posted Mar 13, 2018 by Harshita

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5G: How user plane function (UPF) would be implemented in 5G network ?

posted Jan 28, 2018 by Vikram Singh

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5G: Which port number is being used for transport association between AMF and gNB ? [MCQ]

posted Feb 7, 2018 by Ganesh

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5G: Why control and user plane separation is required ? And how it is going to bring better user experience ?

posted Mar 21, 2018 by Harshita

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5G: What is meant by service based architecture (SBA) and service based interfaces ?

posted Jun 14, 2018 by Harshita

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Is nas security mandatory procedure while doing attach ?

posted Dec 1, 2020 by anonymous

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LTE & 5G: Is there any difference in QoS class identifiers for 5G compare to LTE ?

posted Jan 7, 2018 by Harshita

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5G: Is it necessary to support LTE interfaces at next generation core network (NGCN) ?

posted Mar 7, 2018 by Vikram Singh

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SGW: What is the role of serving gateway in LTE network ?

posted Jan 19, 2019 by Vikram Singh

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5G: What is the role of session management function in 5G network core ?

posted Jun 9, 2018 by Harshita

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5G: Difference between TAI slice support and AMF slice support ?

posted Mar 25, 2018 by Harshita

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5G: What is the difference between UE's and network's SSC mode selection ?

posted Feb 4, 2018 by Ganesh

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5G: What is the use of QoS Flow Identifier at gNB and why QFI introduced in 5G ?

posted Sep 13, 2018 by Harshita

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5G: How many cells are going to be supported in gNodeB (gNB) ?

posted Sep 14, 2018 by Harshita

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5G, LTE : What role SDN controller is going to play in LTE network architecture ?

posted Dec 30, 2016 by Rupam

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5G: What is the use of sending "Additional UL NG-U UP TNL Information" to gNB from the SMF via AMF ?

posted Sep 13, 2018 by Harshita

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LTE: How an UE comes to know its network supports configured APN ?

posted Jun 2, 2017 by Neeraj Mishra

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5G: Why tracking area code size is increased by one byte in 5G as compare to LTE ?

posted Sep 16, 2018 by Harshita

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What is the meaning of rehoming in LTE network?

posted Sep 21, 2018 by Priyaranjan Samal

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5G: What is the use of "Backup AMF Name" included in the NG Setup Response message ?

posted Jul 18, 2018 by Harshita

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Is there any changes in architecture of 5G compare to LTE ?

posted Oct 9, 2017 by Karan Patel

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5G: What is IPsec ESP and IKEv2 certificate based authentication and how it is being used for the 5G network ?

posted Feb 17, 2018 by Harshita

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5G: Is it possible to AMF to provide location based services for the UEs registered to the network with MICO mode ?

posted Feb 12, 2018 by Harshita

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5G: Is there any difference in execution of handover procedure compare to handover in the LTE network ?

posted Feb 12, 2018 by Harshita

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LTE: Does the application function (AF) involve during the establishment of each dedicated bearer (GBR/non-GBR) ?

posted Jul 18, 2017 by Harshita

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5G: How network registration is different in 5G core compare to LTE core ?

posted Feb 6, 2018 by Ganesh

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5G: Difference between 5G flow based QoS model and the QoS model used for LTE ?

posted Sep 14, 2018 by Harshita

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5G: What is the reason AMF and UE both maintain some context even been int RM-DEREGISTERED State ?

posted Mar 13, 2018 by Harshita

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5G: What is the reason of removing GTP-C and Diameter protocols from next generation core network ?

posted Jul 12, 2019 by Vimal Kumar Mishra

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CSFB: How signalling messages are exchanged in CSFB when UE moves from LTE to Legacy network ?

posted Jul 26, 2017 by Harshita

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5G: When network responds to UE with the registration accept/service accept even after failing the authentication ?

posted Feb 24, 2018 by Vikram Singh

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5G: Does the 5G core network support bearer concept as similar as LTE core network ?

posted Sep 13, 2018 by Harshita

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TFT and QFI handing in UPF?

posted Aug 16, 2018 by Pdk

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5G & LTE:Is there any configuration change required at the L1/L2 to implement network slicing ?

posted Jan 8, 2018 by Ganesh

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5G: What is tracking area identity slice support and how many network slices can be configured for a TAI ?

posted Jul 18, 2018 by Harshita