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Sociedade Brasileira de Telecomunicações


The work on real forensics videos involving banking images lead to the method presented here: a software approach to the problem of demultiplexing time mul...

SBrT 2010

A Fingerprint-based Access Control using Principal Component Analysis and Edge Detection

This paper presents a novel approach for deciding on the appropriateness or not of an acquired fingerprint image into a given database. The process begins...

SBrT 2010

Cross-Layer Interaction Between the Application, Routing and MAC Layers for Wireless Sensor Networks

This paper proposes a network protocol that relies on cross-layer interaction between the Medium Access Control (MAC), Network and Application layers for w...

SBrT 2010

Nonlinear Binary Codes Derived from Constacyclic Codes

This paper presents theorems showing how to obtain a binary nonlinear code from a p-ary linear constacyclic maximum distance separable code, where p is a pr...

SBrT 2010

OFDM Point-to-Multipoint Links at ISM 5 GHz Band: Experimental and Analytical Results

It is developed a case study, unifying theoretical and practical aspects, concerning planning and implementation of orthogonal frequency division multiplex...

SBrT 2010