GSM

GSM Mobile Equipment and GSM SIM

The Mobile Equipment and SIM are the only parts of the GSM network which the subscriber will really see. Let’s see what inside it. GSM Mobile Equipment There are three...
Article Topics :

subscriber identity, mobile subscriber, power class, subscriber, sim, mobile, information, gsm, number, identitygsm, gsm basic, gsm sim, mobile equipment, power control, sim

GSM Repeater what and How to Use

Repeater units are designed to receive signals from a donor site, amplify and rebroadcast the donor sites signals into poor coverage areas or to extend the coverage range of the...
Article Topics :

selective repeater, horizontal separation, repeater, antenna, gain, isolation, frequencyamplifier, donor site, gsm, gsm repeater, repeater, rf planning, telecom

GSM RF Optimization Step by Step

Here I write about GSM RF Optimization Step by Step and how to find KPI degradation and its solution. The RF network optimization process can be categorized by the following...
Article Topics :

optimization, analyzing, performance, problems, parameters, network, drive, coveragebsic, gsm, gsm radio frequency optimization, gsm rf optimization, power control, rf optimization

How Radio Path Channel Encoding in GSM

To protect the logical channels from transmission errors introduced by the radio path, many different coding schemes are used. The diagram below illustrates the coding process for speech, control and...
Article Topics :

channel encoding, speech, data, encoding, channel, block, control, informationBCCH, channel coding block diagram, convolution burst channel coding scheme, gsm, gsm basic, gsm coding, gsm rf planning, interleaving

What is Burst in GSM and Burst Types in GSM

GSM Burst The Below diagram illustrates a GSM burst. It consists of several different elements. These elements are as below: Info This is the area in which the speech, data...
Article Topics :

Burst in GSM, burst, timeslot, gsm, timing, sequence, downlinkBCCH, burst, gsm, gsm basic, gsm rf planning, uplink

Why and What Echo Canceller in GSM

What is Echo Canceller and why it require in GSM – as from name Echo canceller is nothing but the process to remove duplicate signal or delayed signal, let’s see...
Article Topics :

echo canceller, processing, telephone, gsm, cancellerEcho Canceller, gsm, gsm basic

How Authentication Center (AUC) works in GSM

When we talk about Mobile Business then its worst useful without authentication means to make Network as business all user required to be authenticate lets understand how authentication done in...
Article Topics :

Authentication Center, subscriber, sim, gsm, hlr, unencrypted, algorithmsauc in gsm, gsm, gsm basic, gsm planning, hlr, ki sim hlr vlr auc, vlr

Why and How BSIC Planning in GSM

Why BSIC Planning in GSM ? Because when tight frequency planning required or we have very limited frequency to plan then to reduce Mobile confusion about cell id BSIC used to...
Article Topics :

bsic planning, bsic, clusters, group, frequencyBCCH, bsic, bsic gsm, bsic in gsm, frequency planning, gsm

How Diagonal Interleaving for Data in GSM

To Improve Error Protection and Security of Data the Data is Interleaved and its type is Diagonal let’s check how it works. The diagram below illustrates, in a simplified form,...
Article Topics :

interleaving, data, gsm, bits, block, transmission, diagonaldiagonal interleaving in gsm, gsm, gsm basic, interleaving, interleaving in gsm, what is interleaving depth

How Rectangular Interleaving for Control Channel in GSM

As All Channel Interleaving in GSM but control channel is some different interleaved its interleaving rectangular lets understand how it. The diagram below illustrates, in a simplified form, the principle...
Article Topics :

control information, rectangular interleaving, interleaving, control, rectangular, interleaved, information, gsmchannel in gsm, control channel interleaving, gsm, gsm basic, gsm security, interleaving, interleaving in gsm

How Diagonal Interleaving for Speech in GSM

Interleaving in gsm used in gsm to reduce error and for speech diagonal types interleaving used here I write how speech in gsm interleaving diagonally. The diagram below illustrates, in...
Article Topics :

speech, interleaving, bursts, Diagonal Interleaving for Speech, block, subscribergsm, gsm basic, gsm security, interleaving, interleaving in gsm, speech interleaving

Definition and works of Interleaving in GSM

The Definition of Interleaving is simply encode logical channel for error protection and security.lets understand how interleaving works in gsm. Having encoded, or error protected the logical channel, the next step...
Article Topics :

interleaving, traffic block, rectangular interleaving, traffic, quality, gsmgsm, gsm basic, gsm rf planning, interleaving, interleaving in gsm, techniques how to do interleaving in gsm

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