Cellular Network

Ezequiel da Silva Oliveira

Programa de Educação Tutorial-PET-

Cellular Network

Talk about

Show operation of the cellular network and communication process.

History of Brazil

1990

The late 90

Different mobile

phone plans;

Devices

with technological

resources;On September 2011.116,51 cel/100 hab.

Font: http://www.teleco.com.br/ncel.asp

Communication process

MobileTelecommunications Switching Office (MTSO)

Communication process

MTSOMTSO

 Two Possibilities:Roaming the subscriber's operator:Subscriber out of its area for mobility, but within the area of the same operator.

Happens, if: there is compatibility of terminal

with technical feature of operator; there is accord of roaming with

subscriber`s operator and visits operator.

Subscriber out of its area for mobility and area of the operator, but there is coverage of other operator (visits operator)

Roaming with other operator:

Roaming

In 1997 was defined a new model for telecommunications.

The mobiles terminals began to be used dual:

AMPS/TDMA and MPS/CDMA .

In 2001, the Anatel revised the model SMC and created SMP.

There was migration of all operator.

Main advantage: Ability to transfer control (operating band).

New areas of service SMP.

Local areas and long distance calls

The subscribe began choicing the operator for do long distance calls (LDN or LDI).

Video

Teleco (Inteligência em telecomunicações) - http://www.teleco.com.br/

Rede Celular - Francisco José da Silva e SilvaLaboratório de Sistemas Distribuídos (LSD) Departamento de Informática / UFMA

Bibliography

http://knol.google.com/k/3g#