Questions tagged [telecommunication]

Telecommunication domain relates to wireless standards like GSM, GPRS, UMTS, LTE, WiMAX, IEEE 802.11. Programming questions related to 1G,2G,3G,4G,5G Cellular Communication can be asked here.

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Big data analysis on CDR (call details record). Help :D

I have been assigned an analysis project on the internal call records of a call center. This being my first experience with big data analysis, can someone guide me on how to go about this project? Where to begin and the tools to be used? Pentaho,…
Jojin
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Links reg communication basics

am working in communication system based embedded project.. i have no background knowledge in communication technologies.. can anyone provide links giving the basics of communication technologies like what is GSM, CDMA, Wireless technologies like…
inquisitive
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Network Locking/Unlocking via IMEI

Hie There Everyone !!! So this question is about cellphone companies and 3rd party companies being able to lock/unlock a cellphone to/from a particular network. My question is how do they do it especially/given that the mobile handset is located in…
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Difference Between a Truck and a Subscriber Trunk

I know a trunk is the line that connects PBXs or connects a PBX to a telecommunication subscriber service. Hence, What is the difference between a trunk and a subscriber trunk?
Maestro
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Where to use CORBA and Where to use SNMP for monitoring?

I am new to telecom domain. Can anybody please help me to understand where to use CORBA and where to use SNMP for network monitoring(NMS/EMS). How it interacts with OSS systems for monitoring(fault and perfomance).
Anuradha Singh
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3hrs deployment window and Need to Migrate 190k Telecom subscriber from one Telco to other

I need to write PL/SQL script which need to migrate 190 k subscriber from one Telco to other. With this script , I need to update different tables of subscriber and Account and do service agreement changes which has complex logic. Once each…
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How does the phone scan LTE signal

I have a cellphone (HTC desire 510, an android phone) that works with band 5 of LTE, However when I build my own base station with OpeanAirInterface, and send signals at a frequency of 881Mhz(downlink), the mobile phone cannot detect my signals. I…
Daniel
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Router or Access Point

I'm working on a solution which should be used by scouts when their expeditions to the mountain. Basically every scout has a wireless device which transmits the scout's GPS location and some other information(like the quality of air surrounding…
falkon21
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Modbus rtu slave is not responding to modbus rtu master

https://code.google.com/p/stm32modbus/source/browse/#svn%2Ftrunk%2F%20stm32modbus%20--username%20ickingdom%40gmail.com%253Fstate%253Dclosed I am using this program.I debug and compile it successfully no error i got then i burn it into my prototype…
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1D string Array comparison with 2D string Array in C

I am working on mobile communication Simulator based on C language. I have two different IPs which are stored as Strings in different format. For User it is XYZ[20] For Access Gateway, it is ABC[No. of Users][20] Now, I need to compare both for…
Farhan
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How to record calls using php

I want to develop a web software to make calls and record calls . How can i achieve this using php ? Do i need to learn asterisk ? I am totally new to communication programming. Any help would be appreciated Thanks in Advance.
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What is theory behind AWGN channel command matlab

Kindly tell me the theory behind the two commands (marked with ***) of an AWGN channel in the below shown code. Code: N_all = [10^3*ones(1,6) 10^3*ones(1,5)]; Eb_no = [0:2:20]; for ii=1:length(Eb_no) N = N_all(ii); b =…
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