IWT 2009 – FINAL PROGRAM - International Workshop on Telecommunications (IWT 2009)

•    Advanced Optical Communication System Design - Werner Rosenkranz
14:00 - 18:00 – Tutorial 03
•    Cognitive Radio and Advanced Spectrum Management – Rashid A. Saeed

Tuesday – 17/02

09:30 – 10:00 – Opening Ceremony

10:00 - 12:00 - Keynote Speech I

•    IP-Oriented QoS in the Next Generation Networks – Pascal Lorenz

14:00 – 16:00 - Technical Session I – Optical Communications and Photonic

•    Trends on Microwave Photonic Filters Based on Polarization Maintaining Fiber Delay Lines - Carla de Souza Martins, José Edimar Babosa Oliveira, Olympio Leucchini Coutinho, William dos Santos Fegadolli, and Vilson Rosa de Almeida

•    Combined Effect of Dispersion, Nonlinearities, and Group-Velocity Walk-off on the Propagation of Pulse Trains in Monomode Optical Fibers - Paula Brandão Harboe, José Rodolfo Souza and David Santos Godoy

•    Experimental Development of a New Technique to Measure Atmospheric Turbulence in Horizontal Optical Links through Free Space -   Vinicius Nunes Henrique Silva, Andrés Pablo Lopéz Barbero and Ricardo Marques Ribeiro

•    Switching Cell of Directional Coupler Embedded in Photonic Crystal Driven by an External Command (for the C, L, and U bands of ITU) - A. Wirth L. Jr and A. S. B. Sombra

•    Packet Latency Reduction in Optical Networks by Triggering SOA-Based Switches with Pre-Step Pulses - Raniere N. Carvalho, Atílio E. Reggiani, Evandro Conforti and Aldário C. Bordonalli

•    Ultrashort Pulse Transmission from Bragg Fabry-Perot Filter - José Luiz Souza Lima, Rogério Nunes Nogueira, Antônio Teixeira, Paulo Sérgio de Brito André, and José Lemos Pinto.

16:20 - 18:20 - Technical Session II – Networks I

•    Modeling and Analysis of Multicast and Unicast IPTV Traffic - Toni Janevski and Zoran Vanevski

•    QVoIP – A Tool to Evaluate the Quality of VoIP Calls Using E-model - Fábio Pessoa Nunes, Leonardo de Souza Mendes, Fabio Sakuray and Mario Lemes Proença Jr.

•    VoIP Quality Improvement with a Rate-determination Algorithm - Demóstenes Zegarra Rodríguez and Miguel Arjona Ramírez
•    QoS Analysis of Packet Scheduling Algorithms for HSDPA Mobile Networks - Kire Jakimoski and Toni Janevski

•    Quality of Service in a PLC Network - Ulysses R. C. Vitor, Eduardo M. L. D’Amorim, Lucas G. Gueiros, Rafael M. C. Britto, Marcos T. de Melo, Mauro R. Santos, Antonio J. Belfort, Hermano A Cabral, and Maurício Lobo.

•    A Fuzzy Approach to Provide QoS in IEEE 802.16 Networks - Max Mauro de Oliveira Silva, Anilton Salles Garcia, and Edson de Paula Ferreira.

Wednesday – 18/02

08:00 – 09:40 - Technical Session III – Communications

•    Galileo Boc(1,1) Signal Acquisition and Tracking - Elvis Alves de Oliveira and Fernando Walter

•    Channel Estimation of Powerline Communication Systems - Renata Bráz Falcão da Costa and Marco Antonio Grivet Mattoso Maia

•    Accurate Time Transfer on a Wireless Telecommunication Link - Carlos Nazareth Motta Marins, Antonio Alves Ferreira Júnior, Rafael Mendes Vilela, Pierre Kaufmann, Marcelo Carneiro de Paiva, and Adonias Costa da Silveira.

•    A Study of Handover for Mobile TV Broadcasting Networks using SFN in the ISDTV System - Késia Cristiane dos Santos and Marcelo Sampaio de Alencar

•    RF Optical Link for Remote Station Applications - Euclides Chaves Pimenta Júnior and Gefeson Mendes Pacheco

08:00 – 09:20 - Technical Session IV – Electromagnetism, Microwave and Signal Processing

•    Design of Frequency Selective Surfaces with Koch Fractal Elements - Rossana Moreno Santa Cruz, Paulo Henrique da Fonseca Silva, Paulo Fernandes da Silva, Albanisa Felipe dos Santos, and Adaildo Gomes D´Assunção.

•    Analysis of Dielectric-loaded Cylindrical Cavity Using Nonuniform One Dimensional Finite Element Method - Salime Fazlali and Mahmoud Mohammad-Taheri

•    An Adaptive RLE Encoder to Compress Electrocardiograms - Cristiano Marcos Agulhari, Ivanil Sebastião Bonatti, and Pedro Luis Dias Peres.

•    Performance Evaluation of Fundamental Frequency Estimation Algorithms - Tiago Fernandes Tavares, Jayme Garcia Arnal Barbedo, and Amauri Lopes.

10:00 – 12:00 - Keynote Speech II

•    Evolution of Telecommunications in the World of Ecosystems - Roberto Saracco

14:00 – 16:00 - Technical Session V – Networks II

•    A Novel Design of Robust Video Steganographic System - Waleed Farag

•    Influence of Background Traffic on Delay Centric Path Selection Algorithm for Multihomed SCTP - Igor Gavriloff and Eduardo Parente Ribeiro

•    Performance Evaluation of Adaptive Routing and Survivability in Dynamic Grooming WDM Networks - Paulo R. L. Júnior, Edmar Candeia Gurjão and Marcelo S. Alencar

•    An Approach for Evaluating the Buffer Queueing Behavior of Multifractal Network Traffic Flows - Jeferson Wilian de Godoy Stênico, Flávio Henrique Teles Vieira and Lee Luan Ling

•    A Network Traffic Monitor Based on Python, Plone and RRDTool - Antonio João Ferreira Francisco, Márcio Antonio Costa, Paulo Cesar Costa dos Santos and Jorge Futoshi Yamamoto

•    Effect of Buffer Size on Anycast Routing Using Genetic Algorithms in Delay Tolerant Networks - Ederson Rosa Silva and Paulo Roberto Guardieiro

16:20 – 18:20 – Technical Session VI – Digital Communications

•    On the Performance of WH-STC-OFDM and WH-SFC-OFDM in Non-Linear Time Variant Channels - Luciano Leonel Mendes and Renato Baldini Filho

•    A Robustness and Performance Comparison Between Cyclic Prefixed Single-Carrier and OFDM Systems - Amanda Souza de Paula and Cristiano Magalhães Panazio

•    Joint Channel Estimation and Frequency Synchronization in MIMO-OFDM Systems - Phan Hong Phuong, Luu Thi Thuy, Hoang Pham Dang Huy, and Dang Truong Son

•    A Semi-blind Concurrent Algorithm with Scattered Pilot Tones for OFDM Equalization – Estevan M. Lopes, Fabbryccio A. C. M. Cardoso, Sandro Adriano Fasolo and Dalton S. Arantes

•    Performance of QS-CDMA Ad Hoc Networks Using ZCZ Spreading Sequences - Tarciana Araújo Lopes, Márzio Geandre Rêgo and Renato Baldini Filho

•    A Pre-Rake CDMA System with Modified ZCD Spreading Code - Incheol Jeong, Jaesang Cha and Mungeon Kyeong

THURSDAY – 19/02

08:00 – 09:40 – Technical Session VII – Digital Communications and Antennas

•    Performance Assessment of a Tactical Aircraft-to-ground Datalink - Tiago M. Amaral, Tetsu Gunji and Marcelo S. Pinho

•    Source and Channel Coding with Unequal Error Protection for Image Transmission in AWGN Channel - Ricardo Barroso Leite, Yuzo Iano, Ana Lúcia Mendes Cruz, and Fernando Silvestre da Silva

•    Low Complexity BCM with Different Length Codewords - Rui R. S. Júnior and Geraldo Gil R. Gomes

•    A New Interference Estimation Approach For Secondary Spectrum Sharing With Smart Antennas -   Mathieu Boutin, Charles Despins, Tayeb Denidni and Sofiène Affes

•    Adaptive Interference Cancellation Antenna System - Reuben Shar and Thales Australia

10:00 – 12:00 - Keynote Speech III

•    Optical Polymer and Polymer-Clad Silica Fiber Data Buses for Vehicles and Airplanes   - Otto Strobel
14:00 – 16:00 - Technical Session VIII – Networks III

•    Remarks on Using a Max-plus Model for TCP in a Wireless Network - Rodrigo Andreola, Ricardo Luders and Keiko V. Fonseca

•    The Forward Link Perfomance Study of the WiMAX System Under Different Schedulers - Leandro Bento Sena Marques and Shusaburo Motoyama

•    Gossip-Quorum-AODV Based Fault Tolerant Ad-Hoc Networks - Renata Lopes Rosa and José Roberto Amazonas

•    The Throughput Region of Wireless Random Access Protocols Assisted by Multipacket Reception - Ramiro Samano-Robles and Atilio Gameiro

•    Cross-Layer Design for TCP Throughput Maximization considering a Wireless end-point using SW-ARQ - Lucas Dias Palhão Mendes and José Marcos C. Brito

•    Two Phases Solution for the Migration to NGN IMS Network - Ali Amer

16:20 – 18:20 - Technical Session IX – Image, Voice, Speech, Video and Motion

•    On the Improvement of the Learning Rate in Blind Source Separation Using Techniques from Artificial Neural Network Theory - Felipe A. P. de Figueiredo and Carlos Alberto Ynoguti

•    Assessment of Spatial Video Transcoding Based on Structural Distortion Measurement - Carlos D. M. Regis, Daniel C. Moraes, Marcelo S. Alencar, and Mylène Christine Queiroz Farias.

•    Speech Synchronized Image-Based Facial Animation - Paula D. P. Costa, José M. de Martino and Edson José Nagle

•    Comparative Analysis of State-of-the-art Block-based Motion Estimation Techniques - André Filgueiras de Araújo and Yuzo Iano

•    Image Quality Evaluation Method Using Blocking Noise Measurement Algorithm - Luís Tadeu Mendes Raunheitte, Gunnar Bedicks Jr., Cristiano Akamine, Fujio Yamada, Francisco Sukys, and Edson Horta.

•    An Adaptive Speaker Identification System for Noisy Speech - Denis Pirttiaho Cardoso and Miguel Arjona Ramírez