Recent posts under tag gsm

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GSM: What kind of information is kept in HLR and VLR ?

posted Feb 6, 2019 by Vikram Singh

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Can someone share the attach process in 2G or GSM?

posted Aug 5, 2017 by anonymous

+1 vote

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Can someone share one or many diagram for roaming call flow for any network i.e. GPRS/GSM/UMTS/LTE?

posted Jun 28, 2017 by Dani Tene

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Interworking of UMTS/GSM with VoLTE?

posted Apr 1, 2017 by Anand Yadav

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Airplane mode in LTE/UMTS/GSM ?

posted Mar 21, 2017 by anonymous

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Redimensioning SDCCH

posted Mar 3, 2017 by anonymous

+1 vote

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Can all SIMs support multiple-IMSI with suitable applet? Does it require specific SIM type?

posted Feb 27, 2017 by Michael Semama

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How to calculate the capacity of a GSM base station, UMTS base station and LTE eNodeB?

posted Feb 22, 2017 by anonymous

+1 vote

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Architecture of 2G, 2.5G and 2.75G are same or different?

posted Sep 26, 2016 by Bhagyashree R

+1 vote

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How to force sending a SMS to every phone within a small area using SDR?

posted Jul 19, 2016 by Ronald Hudson

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how many imsi number a dual sim phone can have?

posted Jun 3, 2016 by anonymous

+2 votes

Software developer C/C++ on linux for 0 to 3 years experience. Network Programming wil be a plus at UnoSolution

posted Jun 1, 2016 by Unosolution

+1 vote

1 answer

Where to check International Roaming Parameter in HLR & HSS

posted Mar 29, 2016 by Ravindra Bhargava

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What is the minimum guard band required between GSM and LTE?

posted Mar 14, 2016 by anonymous

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Ericsson HLR/HSS expert freelancer at Dan Betler

posted Feb 15, 2016 by Dan Betler

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GSM/3G/LTE expert at Dan Betler

posted Feb 13, 2016 by Dan Betler

+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

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Whats the difference between GSM and UMTS NAS layer?

posted Sep 30, 2015 by anonymous

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What are the disadvantages from hacking your IMSI? How the hacker change IMSI No.?

posted Aug 18, 2015 by anonymous

+2 votes

1 answer

advantages and disadvantages of 16 QAM,64 QAm,256 QAM each and applications of each technique.

posted Aug 2, 2015 by anonymous

+1 vote

1 answer

Applications of each QAM (16 QAM,64 QAM, 256 QAM) techniques.

posted Aug 2, 2015 by anonymous

+1 vote

IoT management at the network’s edge

posted Jul 29, 2015 by anonymous

+1 vote

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What is tSMSC in GSM network and what is the significance of it?

posted Jul 21, 2015 by Nithin Kp

+2 votes

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What is the difference between MSISDN and MSRN?

posted Jul 9, 2015 by Nithin Kp

+2 votes

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What is the Channel coding, Interleaving process done in GSM and explain the exact mechanism and its calculations?

posted May 22, 2015 by anonymous

+2 votes

1 answer

How to configure my android phone LTE only and make gsm off?

posted Apr 24, 2015 by Abhay

+2 votes

1 answer

Format of gsm/gprs target cell id in GTPcV2 in case of srvcc handover

posted Mar 7, 2015 by Pdk

+1 vote

1 answer

interconnection between core network and radio access?

posted Feb 25, 2015 by anonymous

+1 vote

1 answer

What are the low, mid and high channel arfcn numbers for uplink and downlink for GSM 900 and 1800 bands?

posted Feb 19, 2015 by anonymous

+1 vote

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What is the use of SGsAP-UE-UNREACHABLE message and what action can be taken once it is received ?

posted Feb 14, 2015 by Vikram Singh

+2 votes

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Does system information 6 changes even though we are in the same cell in GSM?

posted Feb 9, 2015 by Shivaraj Kenche

+1 vote

1 answer

what is the relation for cell power and ARFCN in GSM

posted Jan 8, 2015 by Shivaraj Kenche

+3 votes

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What is the function of AUC in the GSM architecture?

posted Dec 25, 2014 by Vrije Mani Upadhyay

+1 vote

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What is the coverage radius of BTS in GSM technology ?

posted Sep 6, 2014 by Ganesh

+1 vote

Identifiers in GSM

posted Jul 28, 2014 by anonymous

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GSM Protocol Architecture

posted Jul 17, 2014 by Salil Agrawal

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GSM Network Architecture

posted Jul 16, 2014 by Salil Agrawal

+1 vote

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What If a Postpaid user is in International Roaming and his credit limit has got Finished?

posted Jun 18, 2014 by Hiteshwar Thakur

+1 vote

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What is the Proposition of Base Band Hopping in GSM?

posted Jun 16, 2014 by Mridul

+1 vote

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Can you identify appropriate APN from SIM IMSI code?

posted Jun 13, 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

+1 vote

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GSM: What is Interference averaging ?

posted May 23, 2014 by Mridul

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Inter-symbol Interference in LTE and in any technology that uses symbols to transport the information.

posted May 20, 2014 by anonymous

+2 votes

1 answer

What are the effects of Antenna Gain and Diversity Gain in GSM RF?

posted May 19, 2014 by Varun Kumar

+3 votes

1 answer

GSM: How can I calculate fade margin ?

posted May 19, 2014 by Varun Kumar

+1 vote

Comparison of 8-QAM, 16-QAM, 32-QAM, 64-QAM 128-QAM, 256-QAM, etc

posted May 16, 2014 by Vikram Luthra

+6 votes

1 answer

During CSFB voice call if any Packet data arrives for the UE then what will be the scenario ?

posted May 14, 2014 by Vishal

+1 vote

1 answer

What is Temporary Block Flow?

posted Apr 1, 2014 by Deepak Chitragar

+3 votes

1 answer

Which activities/tasks UE does in IDLE mode?

posted Apr 1, 2014 by Ankur Athari

+9 votes

An Introduction to CAMEL Protocol.

posted Mar 21, 2014 by anonymous