Most voted questions under tag umts

+2 votes

0 answers

In the charging system in mobile networks, What exactly are these 2 terms mean ( Tarrif & Rating Group) ?

posted Apr 7, 2017 by Ahmed Magdy

+2 votes

0 answers

Cell change order scenario in UMTS/ LTE ?

posted Aug 2, 2016 by anonymous

+2 votes

0 answers

Why do we need a timing advance in LTE and GSM networks but not in UMTS?

posted Dec 7, 2015 by anonymous

+2 votes

0 answers

What is difference between PS data and HSDPA/HSUPA data in LTE and 3G?

posted Sep 16, 2015 by Gnanendra Reddy

+2 votes

2 answers

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

posted Aug 7, 2015 by anonymous

+2 votes

0 answers

Controlling the Proxy server via GTP-C

posted Jun 29, 2015 by Michael Semama

+2 votes

0 answers

In 3G Measurement Control Configuration Info is sent in Sib11/12. In which SIB this info is sent in LTE?

posted Apr 10, 2015 by Hemanth

+2 votes

0 answers

What does it mean when S-RNTI has changed but SRNC-id did not change?

posted Apr 3, 2015 by anonymous

+2 votes

0 answers

Is there anyone or company still working on the broadcasting (MBMS) over LTE or 3G now?

posted Mar 14, 2015 by anonymous

+2 votes

1 answer

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

posted Mar 4, 2015 by Kapil Kapoor

+2 votes

0 answers

What is the difference between C-RNTI and U-RNTI in context of UMTS and LTE?

posted Feb 24, 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

+2 votes

0 answers

UMTS: MO call while his handset doing update location

posted Jan 28, 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

+2 votes

0 answers

How the data compression is done in UMTS network?

posted Sep 17, 2014 by anonymous

+2 votes

1 answer

How RRC protocol is different in UTMS and LTE ?

posted Sep 15, 2014 by Harshita

+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

+2 votes

0 answers

How the CFN is generated using SFN in UMTS/LTE for RLC TM mode?

posted Jun 17, 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

+2 votes

1 answer

what is meant by FSM and SSM?

posted Nov 6, 2013 by Giri Prasad

+2 votes

0 answers

What is Macro diversity Combining Application ?

posted Sep 29, 2013 by Vikram Singh

+2 votes

1 answer

3G/LTE compatability in terms of devices?

posted Sep 6, 2013 by anonymous

+2 votes

1 answer

Similarity between LTE and UMTS/CDMA

posted Aug 14, 2013 by Nora Jones

+2 votes

2 answers

IMSI attached and Detached Procedure in LTE and UMTS?

posted Aug 5, 2013 by Giri Prasad

+2 votes

1 answer

Difference between NMO I and NMO II? How Paging will happened in NMO I and NMO II?

posted Aug 5, 2013 by Giri Prasad

+2 votes

1 answer

Advantages and disadvantages of soft handover?

posted Aug 2, 2013 by Salil Agrawal

+2 votes

1 answer

Requirement of M2PA

posted Jul 29, 2013 by Sheetal Chauhan

+2 votes

1 answer

How throughput vary between the two SIMs (Local/Roam) when they are on same network

posted Jul 23, 2013 by Sumit Pokharna

+2 votes

1 answer

what is the major difference between UMTS and LTE in protocols?

posted Jul 21, 2013 by Giri Prasad

+2 votes

1 answer

Handover from 3G to 4G while UE in connected state?

posted Jul 21, 2013 by Nora Jones

+2 votes

1 answer

When Diameter/Radius are popular protocols used for AAA,why use GTP' for accounting?

posted Jul 16, 2013 by Chandra Javalkar

+2 votes

2 answers

What are the types of RNTI's?

posted Jul 11, 2013 by Salil Agrawal

+2 votes

1 answer

Difference between common channel , common control channel and shared channel?

posted Jul 9, 2013 by anonymous

+2 votes

4 answers

IMSI Vs MSISDN

posted Jul 4, 2013 by Salil Agrawal

+2 votes

1 answer

What are the differences between per-Rel 9 and Rel-9 UMTS components?

posted Jul 3, 2013 by Chandra Javalkar

+1 vote

0 answers

Handover process from E-UTRAN to UTRAN or GERAN?

posted Jun 28, 2017 by anonymous

+1 vote

0 answers

How does the GGSN know the IMSI of the mobile station in case it receives downlink pdp pdu (packet)?

posted Apr 5, 2017 by Ahmed Magdy

+1 vote

0 answers

Interworking of UMTS/GSM with VoLTE?

posted Apr 1, 2017 by Anand Yadav

+1 vote

0 answers

csfb to wcdma when no PSHO supported.

posted Feb 8, 2017 by Hari Oum

+1 vote

0 answers

difference between scheduling resource concepts and algorithms in LTE and UMTS HSPA+?

posted Feb 4, 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

+1 vote

0 answers

LTE : How does MME keep mapping of "TAI list" that is assigned to UE against the "LAI" assigned to UE ?

posted Jan 26, 2016 by Harshita

+1 vote

0 answers

How I can calculate sinr UMTS matlab ?

posted Nov 13, 2015 by Somsom

+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

0 answers

Whats the difference between GSM and UMTS NAS layer?

posted Sep 30, 2015 by anonymous

+1 vote

0 answers

Can the same terminal open multiple PDP Context? Is it normal?

posted Jun 1, 2015 by anonymous

+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

+1 vote

1 answer

interconnection between core network and radio access?

posted Feb 25, 2015 by anonymous