Most answered questions under tag umts

+2 votes

4 answers

IMSI Vs MSISDN

posted Jul 4, 2013 by Salil Agrawal

+3 votes

3 answers

What is the difference between 3G to LTE redirection and 3G to LTE handover.

posted Jun 2, 2015 by anonymous

+3 votes

3 answers

Why UL speed is always lesser than DL speed?

posted Apr 10, 2015 by Chirag Gangdev

+4 votes

3 answers

What is the basic difference between User Plane and Control Plane?

posted Nov 30, 2013 by anonymous

0 votes

2 answers

What is Access point name and what it does in LTE/UMTS/GPRS network?

posted Jun 28, 2017 by Dani Tene

0 votes

2 answers

Airplane mode in LTE/UMTS/GSM ?

posted Mar 21, 2017 by anonymous

+1 vote

2 answers

What are the protocols available on Node B and RNC side in UMTS protocol stack?

posted Aug 2, 2016 by Arijit Chakraborty

+2 votes

2 answers

What is the difference between APN and PDN in LTE/UMTS?

posted Aug 7, 2015 by anonymous

+2 votes

2 answers

Which parameters need to be set for IRAT reselection - LTE to UMTS?

posted Feb 19, 2015 by anonymous

+1 vote

2 answers

Was Airtel's attempt to charge differently for VoIP calls fair?

posted Jan 7, 2015 by Salil Agrawal

+2 votes

2 answers

Lot of talk about LTE and 3G but I still pay more for the voice service then my data needs

posted Sep 8, 2014 by anonymous

+1 vote

2 answers

Why Femtocell can not run on the unlicenced spectrum?

posted Jul 6, 2014 by anonymous

0 votes

2 answers

IP offloading in LTE?

posted Jun 25, 2014 by anonymous

0 votes

2 answers

Why we need small cell in LTE and in 3G? Any difference in capacities of small, femto, micro cell?

posted May 28, 2014 by Pankaj

+4 votes

2 answers

What is the difference between GTPv0, GTPv1 and GTPv2?

posted Oct 7, 2013 by anonymous

+4 votes

2 answers

I have one doubt if we want to Decode ASN file, is there any third party tool?

posted Oct 4, 2013 by Giri Prasad

+2 votes

2 answers

IMSI attached and Detached Procedure in LTE and UMTS?

posted Aug 5, 2013 by Giri Prasad

+2 votes

2 answers

What are the types of RNTI's?

posted Jul 11, 2013 by Salil Agrawal

+1 vote

2 answers

What is the difference between ICCID and IMSI?

posted Jul 5, 2013 by Salil Agrawal

0 votes

1 answer

How UE latch to the UTRAN in CSFB?

posted Aug 9, 2017 by Jaganathan

+2 votes

1 answer

What is PDP (packet data protocol) and what is its role?

posted Jun 28, 2017 by Dani Tene

+2 votes

1 answer

What happens after you turn on mobile data and you access/google something?

posted Jun 27, 2017 by Dani Tene

+3 votes

1 answer

About UE support UMTS

posted Jan 20, 2017 by Jim Tan

+1 vote

1 answer

LTE : Has anyone tested Circuit Switch Fallback (CSFB) in the lab or in the field ?

posted Oct 16, 2015 by Harshita

+1 vote

1 answer

When a LTE user moves to UMTS network through handover, Is there any change occur in ongoing sessions ?

posted May 9, 2015 by Harshita

+3 votes

1 answer

Which RAT is preferred to camp at power ON for multi-mode UE?

posted Apr 21, 2015 by anonymous

+3 votes

1 answer

When the VLR/SGSN/MME "decides" to perform the MS Authentication procedure?

posted Apr 12, 2015 by Michael Semama

+3 votes

1 answer

At power on,how&when does UE decides/gets to know which is the Preferred RAT to camp onto? Is this info stored in UE?

posted Apr 9, 2015 by Hemanth

+2 votes

1 answer

Possible cause for Activation Rejected By GGSN response for Activate PDP?

posted Mar 4, 2015 by Kapil Kapoor

+1 vote

1 answer

interconnection between core network and radio access?

posted Feb 25, 2015 by anonymous

+2 votes

1 answer

Channel mapping used in UMTS

posted Jan 21, 2015 by Aarti Jain

+2 votes

1 answer

Could any one please explain in detail about timing advance in UMTS?

posted Dec 26, 2014 by Shivaraj Kenche

+1 vote

1 answer

What is the meaning of multiple PDN connectivity in LTE and UMTS?

posted Nov 16, 2014 by anonymous

+1 vote

1 answer

Why flexible RLC and fixed RLC PDU have same data rate 14.4 Mbps and what is advantage of flexible RLC?

posted Sep 23, 2014 by Kumod

+2 votes

1 answer

How RRC protocol is different in UTMS and LTE ?

posted Sep 15, 2014 by Harshita

0 votes

1 answer

What is backhaul and how it impacts in LTE/UMTS operation?

posted Aug 26, 2014 by anonymous

0 votes

1 answer

What is the difference between UTRAN and eUTRAN?

posted Aug 19, 2014 by anonymous

+3 votes

1 answer

UMTS: adjcent cells are separated in umts by 512 scrambling Gold codes, are these 512 codes orthogonal?

posted Aug 16, 2014 by Mohammad Alsharif

+1 vote

1 answer

ENodeB connection with UMTS Core network?

posted Jun 27, 2014 by anonymous

+2 votes

1 answer

How conference of a call is possible in all 3GPP networks (GSM, UMTS and LTE)?

posted Jun 10, 2014 by Vikram Luthra

+2 votes

1 answer

Why Soft and Softer handovers are not possible in LTE ?

posted May 15, 2014 by Brijesh Talwar

+3 votes

1 answer

Which activities/tasks UE does in IDLE mode?

posted Apr 1, 2014 by Ankur Athari

+1 vote

1 answer

What is the difference between CDMA-2000 and UMTS?

posted Mar 18, 2014 by Prachi Sharma

+5 votes

1 answer

In case of inter-operator movement of a user. How charging happens ?

posted Mar 14, 2014 by Aarati Mahajan

+9 votes

1 answer

S1-AP reset or ENodeB behavior once receiving the release context with Detach reason ?

posted Feb 7, 2014 by Hiteshwar Thakur

+10 votes

1 answer

How to get a paging frame when the user has moved out from No network Coverage ?

posted Feb 6, 2014 by Hiteshwar Thakur

+5 votes

1 answer

What are the Measurments available in LTE and their Functionalities?

posted Jan 17, 2014 by Giri Prasad

+4 votes

1 answer

IMSI used in address a UE in Paging

posted Jan 3, 2014 by anonymous

+4 votes

1 answer

Lawful Interception in LTE?

posted Dec 9, 2013 by anonymous

+5 votes

1 answer

what is meant by PRACH preamble offset index in LTE?

posted Dec 2, 2013 by Giri Prasad