Cellular Network Programa de Educação Tutorial -PET- Ezequiel da Silva Oliveira

Talk about Cellular Network Show operation of the cellular network and communication process.

History of Brazil Current days… The late 90 1990 Popularization of the service, prepaid model. Different mobile phone plans; Devices with technological resources; Current days… The late 90 On September 2011. 116,51 cel/100 hab. Font: http://www.teleco.com.br/ncel.asp Rio de Janeiro, operates commercial  mobile service. 1990

Communication process Operation MobileTelecommunications Switching Office (MTSO)

Communication process Operation MTSO MTSO

Roaming the subscriber's operator: Roaming Subscriber out of its area for mobility, but within the area of ​​the same operator. Roaming Two Possibilities:   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: Happens, if: there is compatibility of terminal with technical feature of operator; there is accord of roaming with subscriber`s operator and visits operator.

SMC – (Serviço Móvel Celular) In 1997 was defined a new model for telecommunications.

The mobiles terminals began to be used dual: AMPS/TDMA and MPS/CDMA . SMC – (Serviço Móvel Celular) The mobiles terminals began to be used dual: AMPS/TDMA and MPS/CDMA .

SMP – (Serviço Móvel Pessoal) 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).

SMP – (Serviço Móvel Pessoal) New areas of service SMP.

SMP – (Serviço Móvel Pessoal) Local areas and long distance calls The subscribe began choicing the operator for do long distance calls (LDN or LDI).

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Bibliography Teleco (Inteligência em telecomunicações) - http://www.teleco.com.br/ Rede Celular - Francisco José da Silva e Silva Laboratório de Sistemas Distribuídos (LSD) Departamento de Informática / UFMA http://knol.google.com/k/3g#