Cellular Network
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Programa de Educação Tutorial -PET- Cellular Network Ezequiel da Silva Oliveira
Cellular Network Talk about Show operation of the cellular network and communication process.
HistoryofBrazil • Popularization of the service, prepaid model. • Differentmobilephoneplans; • Devices withtechnologicalresources; Current days… The late 90 OnSeptember 2011. 116,51 cel/100 hab. Font: http://www.teleco.com.br/ncel.asp • Rio de Janeiro, operatescommercialmobileservice. 1990
Communication process Operation MobileTelecommunications Switching Office (MTSO)
Communication process Operation MTSO MTSO
Roaming TwoPossibilities: Roaming the subscriber's operator: Subscriber out of its area for mobility, but within the area of the same operator. Roaming with other operator: Subscriber out of its area for mobility and area of the operator, but there is coverage of other operator (visits operator) • Happens, if: • there is compatibility of terminal with technical featureof 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.
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).
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#