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Sociedade Brasileira de Telecomunicações

2010 - VII International Telecommunications Symposium



SIMTON: A Simulator for Transparent Optical Networks

In this article we present a software to simulate Transparent Optical Networks (SIMTON). SIMTON is an eventdriven simulation software implemented in C++ whi...

SBrT 2010


User Cooperation Using Multiple Antennas

This paper proposes user cooperation strategy using multiple antennas technology (MIMO). In a first model we used a Code Division Multiple Access (CDMA) sy...

SBrT 2010


An Application Server Approach for Number Portability in IMS networks

Number portability (NP) is an important requirement present in most telephony networks. Typically, NP is regulated by local legislation and is inherently a...

SBrT 2010


On Indoor Coverage Models for Industrial Facilities

It is shown analytical and measurement results in order to compare five different indoor path loss propagation models in industrial environments: one-slope...

SBrT 2010


A (Very) Brief Survey on Optimization Methods for Wireless Communication Systems

Wireless data usage is growing now faster than ever before. In order to attend the increasing demand for wireless services and considering that frequency s...

SBrT 2010