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Sociedade Brasileira de Telecomunicações

2010 - VII International Telecommunications Symposium



Quantum Permanent Compromise Attack to Blum-Micali Pseudorandom Generator

This paper presents a quantum permanent compromise attack to the Blum-Micali pseudorandom generator whose security is based on the assumption of intractabil...

SBrT 2010


Capacity of CSMA under Nakagami Fading

This paper investigates the throughput performance of carrier sense multiple access (CSMA) in a packet radio network and Nakagami fading environment. The app...

SBrT 2010


An Approach for Solving the Base Station Placement Problem using Particle Swarm Intelligence

A large amount of studies deals with the base station placement problem (BSP), but few studies involve the selection of base stations to meet a set of user...

SBrT 2010


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


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