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Sociedade Brasileira de Telecomunicações

2010 - VII International Telecommunications Symposium

An Open Source HMM-based Text-to-Speech System for Brazilian Portuguese

Text-to-speech (TTS) is currently a mature technology that is used in many applications. Some modules of a TTS depend on the language and, while there are m...

SBrT 2010

On the Effectiveness of Dynamic Spectrum Management Algorithms in xDSL Networks

This work proposes a method for the evaluation of the effectiveness of adopting dynamic spectral management (DSM) algorithms in different DSL scenarios. In...

SBrT 2010

Node Deployment by Stochastic Point Processes in Wireless Sensor Networks

Node deployment plays an important role in the design of wireless sensor networks (WSNs). Many important properties such as coverage, connectivity, data fi...

SBrT 2010

Self-similar QoS Manager: a bio-inspired approach

This work presents a Self-similar QoS Manager using a immunological algorithm to optimize a MPLS network. The system receives a set of requirements, impose...

SBrT 2010

Fiber Bragg Grating Compression-based Tuning Device for Reconfigurable OADM

In this work a fast Bragg grating-based tuning device, working according to the mechanical compression of the fiber, is demonstrated. The device achieves a...

SBrT 2010