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Sociedade Brasileira de Telecomunicações

2010 - VII International Telecommunications Symposium



Rounded Patch Antenna with T-Shaped Probe Feeding and Shorted Wall

In this work, a modified patch antenna with broad bandwidth and small size is proposed and investigated. Instead of rectangular patch of a known antenna we...

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


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


A Turbo Coding Scheme for the 2-User Gaussian Adder Channe

This paper discusses a coding scheme for the 2- user binary adder channel (2-BAC) employing a pair of distinct turbo convolutional codes, not necessarily f...

SBrT 2010


Providing Higher Entropy Cryptographic Keys by the Use of Biometrics

In this paper modifications are investigated to a previously introduced Key Regeneration system used to obtain cryptographic keys from biometric data, spec...

SBrT 2010