2010 - VII International Telecommunications Symposium
An Evaluation of the Effects of Propagation Channels on the Performance of WiMAX (IEEE 802.16-2004)
The purpose of this paper is to evaluate the performance of fixed-WiMAX (IEEE 802.16-2004) operating in seven propagation channel models, by implementing a W...
- Carlos Eduardo Rodrigues de Araújo
- Antonio Fischer de Toledo
- WiMAX
- IEEE 802.16-2004
- simulation
- fading performance
- ITU-R M.1225
- mobility
SBrT 2010
A First Glance Comparison of Next and New Generation Network Approaches
ext Generation etworks ( xG ), as pursued by international standards development organizations, represent the telecommunication operator approach to ...
- Antonio Marcos Alberti
- Tania Regina Tronco
- Christian Esteve Rothenberg
- G
- wG
- Future Internet
- IP networks
SBrT 2010
Logical Operations by Pulse Modulation in Nonlinear Directional Coupler
Implementation of logical gates by pulse modulation in nonlinear fiber directional coupler is investigated numerically. We consider pulses from an optical ...
- Alisson da Conceição Ferreira
- Cícero Saraiva Sobrinho
- José Wally Mendonça Menezes
- Guilherme Francisco de Morais Pires Júnior
- Antônio Sérgio Bezerra Sombra
- Jose Luiz Sousa Lima
- Hélio Henrique Barbosa Rocha
- Herbert de Oliveira Rodrigues
- Pulse-position modulation
- nonlinear directional coupler
- soliton
- logical gates
SBrT 2010
Analysing on the Quality of Head Tomographic Images with Power Intensity Variation
Tomography is a non-invasive exam technique that provides a great amount of visual information of virtually inaccessible areas of the body. This paper anal...
- Arthur Barreto de Rangel Moreira Cavalcanti
- Rafael Dueire Lins
- Antonio Edsom Carvalho Filho
- Tomography
- Biomedical image processing
- Image analysis
SBrT 2010
Ascending chain of semigroup rings and encoding
Let B be any finite commutative ring with identity. · · · ⊂ B[X; 1ak Z0] · · · ⊂ B[X; a12 Z0] ⊂ B[X; a1 Z0], where a ∈ {2, 3, 5, 7, · · ·}, k ≥ 1, is the des...
- Tariq Shah
- Atlas Khan
- Antonio Aparecido de Andrade
- Semigroup ring
- BCH code
- alternant code
- Goppa code
- Srivastava code
SBrT 2010