Most answered questions under tag epc

+4 votes

4 answers

LTE simulator for EPC?

posted Sep 17, 2014 by Yogeshwar Thakur

+5 votes

4 answers

Why we need SGW/PGW separately in LTE?

posted Nov 24, 2013 by sivanraj

+2 votes

3 answers

Will it be possible to send multiple CCR-I with same session id and different rating groups?

posted Mar 3, 2016 by Chinmoy Padhi

+6 votes

3 answers

What is the role of MME in LTE technology?

posted Nov 24, 2013 by Harshita

+5 votes

3 answers

LTE: What are interfaces present in LTE architecture ?

posted Nov 23, 2013 by Harshita

+8 votes

3 answers

LTE:How does policy control and charging works in LTE?

posted Oct 30, 2013 by Neeraj Mishra

+3 votes

3 answers

How eNodeB selects MME while executing attach procedure for an UE?

posted Sep 14, 2013 by Vikram Singh

+1 vote

2 answers

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

posted Jun 2, 2017 by Neeraj Mishra

+3 votes

2 answers

LTE: Can a SGW initiate bearer release for an UE due to congestion or any other reason ?

posted Jan 10, 2017 by Harshita

+1 vote

2 answers

Is it possible to modify the QCI of the Default bearer after UE attach complete?

posted Jun 1, 2016 by Jabid

+3 votes

2 answers

What is Virtualization of EPC can you please expian?

posted May 19, 2016 by Mallikharjuna Reddy

+2 votes

2 answers

Default Bearer of a UE (i.e UE1) can be Pre-emptable by another UE (i.e UE2) in Congestion?

posted Apr 12, 2016 by Mallikharjuna Reddy

+3 votes

2 answers

how to assign ipv6 prefix address for Ue in lte?please explain with example.

posted May 7, 2015 by Naveen Yanamaddi

+2 votes

2 answers

LTE: How PGW will select the SGW for Incoming Packet?

posted Mar 8, 2015 by Srinivas Sambari

0 votes

2 answers

Network Triggered Dedicated Bearer Creation

posted Jan 22, 2015 by Naveen Yanamaddi

+4 votes

2 answers

In case of RRC-Idle,EMM-Idle, will UE and EPC keeps bearer configuration?

posted Nov 19, 2014 by anonymous

+2 votes

2 answers

How EPS bearers and an EPS sessions are different?

posted May 20, 2014 by Mridul

+4 votes

2 answers

A short described difference between Default bearer and Dedicated Bearer?

posted Apr 9, 2014 by Varun Kumar

+6 votes

2 answers

LTE: Why SGSN has interfaces with MME and SGW only not with PGW ?

posted Nov 25, 2013 by Vikram Singh

+6 votes

2 answers

LTE: maximum Number of Bearer Allowed for UE per PDN ?

posted Nov 21, 2013 by Sachidananda Sahu

+5 votes

2 answers

What is heterogeneous network in context of LTE?

posted Nov 8, 2013 by Neeraj Mishra

+2 votes

2 answers

How SGSN must behave if UE/MS sends a "CREATE_PDP_REQ" with PDP_TYPE as IPv4v6, if it does not support this v4v6 PDP?

posted Oct 22, 2013 by Ramchandra Sawant

+3 votes

2 answers

LTE: What does mean by "MS is configured for NAS signalling low priority" ?

posted Oct 19, 2013 by Vikram Singh

+1 vote

2 answers

How MME handles Attach Req for emergency or non-emergency call ?

posted Oct 17, 2013 by Vikram Singh

+3 votes

2 answers

why does the HO preparation message contains the MIB and SIB information of the source EnodeB ?

posted Oct 8, 2013 by Sony Mohanty

+2 votes

2 answers

Can a MME belong to more than one plmn ?

posted Sep 30, 2013 by Vikram Singh

+2 votes

2 answers

What is the relation between SDF and TFT at PGW/PCEF ?

posted Sep 17, 2013 by Neeraj Mishra

+4 votes

2 answers

How does SMS OVER LTE works?

posted Sep 12, 2013 by Ramchandra Sawant

+1 vote

2 answers

Difference between EPC and EPC-Advanced

posted Aug 29, 2013 by anonymous

+1 vote

2 answers

Does a UE define or indicate Access Point Name during Attach procedure?

posted Aug 11, 2013 by Salil Agrawal

+1 vote

1 answer

LTE: What does mean by fully qualified tunnel id (FTEID) in GTP control messages ?

posted Jul 12, 2018 by Harshita

0 votes

1 answer

LTE: When UE triggers integrity protected Attach request and when it sends as plain NAS message ?

posted Apr 29, 2018 by Ganesh

0 votes

1 answer

LTE: Why does SGW include S5/S8 interface PGW-C F-TEID in Create Session Response message to MME ?

posted Apr 29, 2018 by Ganesh

+2 votes

1 answer

LTE: What all information UE may request from network in protocol configuration option (PCO) as part of attach request ?

posted Apr 28, 2018 by Vikram Singh

+1 vote

1 answer

LTE: which node of the network initiate bearer creation for voice call ?

posted Jan 21, 2018 by Rupam

+1 vote

1 answer

LTE: How vEPC would be different from the normal EPC ?

posted Nov 17, 2017 by Harshita

0 votes

1 answer

How to test S6a ,S5/S8 interface?

posted Sep 12, 2017 by Chinmoy Padhi

0 votes

1 answer

Why SGW is buffering UE data, however ENB PDCP buffers the data then why buffering is needed in SGW?

posted Aug 23, 2017 by Charan Shah

0 votes

1 answer

How PGW knows which SGW to forward the DL data arrival indication when UE in idle mode?

posted Aug 23, 2017 by Charan Shah

+1 vote

1 answer

Why in 4G the EPC session is considered as "always on", what does it mean and how is it different with 2G & 3G?

posted May 26, 2017 by Hana Pamora

0 votes

1 answer

How end to end QoS in managed in LTE?

posted May 11, 2017 by Hana Pamora

+2 votes

1 answer

Diameter S6a interface: SUBSCRIPTION-DATA AVP in IDR message

posted Aug 29, 2016 by Michael Semama

+1 vote

1 answer

Diameter Result code 4999, can anyone tell me the implementation made/seen for this result code.

posted Jul 3, 2016 by Hiteshwar Thakur

+2 votes

1 answer

What is PDB, PLER, QCI Priority and how these parameters are useful in Bearer Creation?

posted Apr 26, 2016 by Mallikharjuna Reddy

+1 vote

1 answer

How Reporting-Reason AVP reporting is decided by GGSN/P-GW in Gy interface?

posted Mar 31, 2016 by Chinmoy Padhi

+1 vote

1 answer

When to set Error 'E' bit in Diameter message?

posted Mar 28, 2016 by Chinmoy Padhi

+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

+3 votes

1 answer

LTE: How does network initiate bearer creation for an UE ?

posted Dec 14, 2015 by Ganesh Kumar

+3 votes

1 answer

Non GBR bearers the total bandwidth calculation

posted Oct 26, 2015 by Pdk

+2 votes

1 answer

Default EPS Bearer QOS and QOS info in the CCR message

posted Aug 28, 2015 by Pdk