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Sociedade Brasileira de Telecomunicações

2010 - VII International Telecommunications Symposium



Optical Amplitude Multiplexing through Parametric Amplification: An Analysis for the Idler Signal

Recently a new technique that used parametric amplification in optical fibers to combine two binary signals into a single quaternary amplitude-shift keyin...

SBrT 2010


EGPRS2 Deployment as a Resource-saving Feature for Voice

EGPRS2 is part of the GERAN evolution standardized in 3GPP GERAN Release 7 and it allows higher throughput rates per timeslot due to the adoption of higher ...

SBrT 2010


A Packet Distribution Traffic Model for Computer Networks

The traditional traffic models which are based on conventional telephone traffic are not suitable for modeling selfsimilar traffic on computer networks. The...

SBrT 2010


Hardware-Friendly Implementation of Soft Information Set Decoders

This article has two main purposes: (i) to introduce and evaluate a modified version of the Dorsch soft decoding algorithm for block codes, based on inform...

SBrT 2010


A Code for Correcting Quantum Erasures

Quantum states are very delicate, so quantum error-correction procedures are believed to be essential for the successful implementation of quantum communic...

SBrT 2010