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Conftele 2009 Accepted Papers
Topics
Antennas, Microwaves and Radiowave Propagation
| #17 | Cellular planning of 802.16e WiMAX networks
Marco Araújo, António Navarro, Armando Rocha |
| #18 | Effects of the Indoor Installation Scenario on the Radiation Pattern of Microstrip Patch Antennas
André Violante, Custódio Peixeiro |
| #25 | Electromagnetic Fields Radiated by Fluorescent and Compact Fluorescent Lamps
Daniel Sebastião, Carla Oliveira, Gonçalo Carpinteiro, Diana Ladeira, Mónica Antunes, Luís M. Correia, Carlos Fernandes |
| #26 | Application of Electromagnetic Band Gap (EBG) Materials in Low Profile Antenna Design
Qi Luo, José Rocha Pereira, Henrique Salgado |
| #32 | Macro-Cellular Capacity Enhancement using Spatial Multiplexing MIMO with Linear Antenna Arrays
Pedro Vieira, Paula Queluz, António Rodrigues |
| #48 | Guided Modes in a Metamaterial Slab Formed by Crossed Metallic Wires
Tiago Morgado, Mário Silveirinha |
| #49 | Computation of the Effective Parameters of Metamaterials Using a Finite-Difference Frequency-Domain Method
João Costa, Mário Silveirinha |
| #55 | Study of Material Interference in a RFID Tag Reading
Maria Fernandes, Jorge Rodrigues, Nuno Bonifácio, Paulo Saraiva, Pedro Brochado, Nuno Borges De Carvalho |
| #72 | FDTD with selective update: a method to minimize the simulation time
João Casaleiro, Pedro Pinho |
| #74 | Leaky Mode Dispersion in Omega NRD Waveguides
António Topa, Carlos Paiva, Afonso Barbosa |
| #85 | Optic axes of general anisotropic media: a geometric algebra perspective
Sérgio Matos, Carlos Paiva, Afonso Barbosa |
| #87 | A novel approach to the reflection and transmission of electromagnetic waves at interfaces between isotropic and general anisotropic media
João Canto, Carlos Paiva, Afonso Barbosa |
| #100 | Invisibility Cloaks in Electromagnetic Theory
Marco Ribeiro, Carlos Paiva |
| #106 | An Extension of the dRET Model to include Time-Variant Channel Effects in Vegetation Media
Sérgio Morgadinho, Rafael Caldeirinha, Telmo Fernandes, Miqdad Al-Nuaimi, Juergen Richter |
| #129 | SiGe MMICs with Spiral Inductors up to 30GHz
Jorge Torres, J. Costa Freire |
Electronics for Telecommunications
| #4 | A 5.7 GHz RF transceiver for wireless sensors applications
João Carmo, Paulo Mendes, Higino Correia |
| #15 | Low-Area 4th-Order Shared-Amplifier Sigma-Delta Modulator
Tiago Costa, Rui Neves, Paulo Pereira, Nuno Horta |
| #16 | A Bandgap Voltage Reference With Only CMOS Transistors
António Ribeiro, Ricardo Gama, Tiago Costa, Rui Neves, Nuno Horta |
| #22 | Analog Circuits Optimization based on Evolutionary Computation Techniques
Manuel Barros, Jorge Guilherme, Nuno Horta |
| #24 | A 2.4GHz CMOS Integer-N Phase-Locked Loop
Vítor Fialho, João Vaz |
| #42 | Low-Cost, Compatible Dedicated Short Range Communications Chain for Road Transport and Traffic Telematics
Ricardo Abreu, João Matos, Jorge Gomes |
| #65 | Polar Transmitter Pre-Distortion Technique Validated with 2.5G Mobile Communication Signals
Pedro Miguel Cabral, Lorena Cabria, José Angel Garcia, José Carlos Pedro |
| #81 | Validation of a Behavioral Model based on Volterra Series with coefficients determined orthogonally
Pedro Miguel Lavrador, José Carlos Pedro |
| #91 | A 1.8V/5GHz CMOS WLAN Low Noise Amplifier Integrated with Active BALUN
Fernando Azevedo, Luis Mendes, Vitor Fialho, João Vaz, Fernando Fortes, Maria J. Rosário |
| #95 | Bandwidth Requirements of Envelope Amplifiers for Polar Transmitters
Filipe Rodrigues, Pedro Miguel Cabral, José Carlos Pedro |
| #102 | Characterization of a SDR Front-End Receiver with Multisine Excitations
Pedro Cruz, Nuno Borges Carvalho |
| #103 | Efficiency Enhancement Techniques for the Linear Operating Region of Power Amplifier
Abubakar Sadiq Hussaini |
Information Security
| #28 | Developing an Information System for Classified Electronic Documents
Ivan Matic, Zoran Skocir |
Instrumentation and Measurements
| #6 | RFID and wireless sensing
João Carmo, Higino Correia, Carlos Couto |
| #50 | Development and Implementation of Algorithms for Power Quality Measurements
Pedro Ramos, Tomas Radil, Fernando Janeiro, A.C. Serra |
| #76 | A Survey on the Implementation of a Magnetic Induction Tomography Prototype: Theoretical Description and Experimental Issues
Nuno Brás, Raúl Marins, António Serra |
| #94 | Blood Pressure and Heart Rate Variabilities Estimation Using Ballistocardiography
Eduardo Pinheiro, Octavian Postolache, Pedro Girão |
| #101 | Global Instrumentation Network for Broadband RF Spectrum Monitoring
Octavian Postolache, Pedro Girão, Fernando Tavares, Sérgio Antunes |
| #113 | Novel Photonic RF Instantaneous Frequency Measurement System Using an HiBi Fiber-based Interefometer
Miguel Drummond, Rogério Nogueira, Paulo Monteiro |
| #125 | Virtual Instrument to Detect Defects in Conductive Materials
Helena Maria Ramos, Artur Ribeiro, Francisco Alegria, Octavian Postolache |
Materials and Devices
| #11 | The Effect of Temperature on the Frequency Response of p-i-n Photodiodes for Optical Communications
Jorge Pereira |
| #31 | Plastic Optical Fibers with Gain and Switching
Ana Charas, Ana Luísa Mendonça, Jenny Clark, Guglielmo Lanzani, Luca Bazzana, Alessandro Nocivelli, Jorge Morgado |
| #86 | Characterization of self-assembled monolayers of thiols on gold using scanning tunneling microscopy
Quirina Ferreira, Graça Brotas, Luis Alcácer, Jorge Morgado |
| #92 | Environmental ageing of polymer-based thin film transistors: influence of the semiconducting polymer chemical structure
Jorge Morgado, Ana Charas, Luis Alcácer |
Mobile and Wireless Communications
| #13 | Load Balanced DSR Protocol for Wireless Ad Hoc Networks
Vahid Nazari Talooki, Jonathan Rodriguez |
| #20 | Impact Analysis of the Shortest Path Movement Model on Routing Strategies for VDTNs in a Rural Region
Vasco Soares, Joel Rodrigues, Farid Farahmand |
| #21 | Perfect Periodic Autocorrelation Codes Derived From M-Sequences
João Pereira, Henrique Silva |
| #23 | Risks of Migration to IMS and a Way to their Mitigation
Fernando Almeida, José Cruz, José Oliveira |
| #40 | Solutions for Body Sensor Networks
Paulo Neves, João Caldeira, Américo Mendes, Orlando Pereira, Joel Rodrigues |
| #41 | Relay-Assisted Cooperative Schemes for the UL OFDMA Based Systems
Andreia Moço, Adão Silva, Atílio Gameiro |
| #43 | WiMAX QoS - Dynamic Service Flow Management
Nuno Rodrigues, Rui Rocha |
| #44 | Laboratory Performance Comparison of Wi-Fi Point-to-Point Links: a Case Study-
José A. R. Pacheco De Carvalho, Hugo Veiga, Paulo A. J. Gomes, Cláudia F. F. P. Ribeiro Pacheco, Nuno Marques, António D. Reis |
| #54 | Analysis of Technologies for Long Term Evolution in UMTS
Sara Duarte, Luís Correia, Luís Santo |
| #58 | Multi-resolution with Hierarchical Modulations for Long Term Evolution of UMTS
Américo Correia, Guilherme Marona |
| #61 | Modelling of Building Height Interference Dependence in UMTS
Armando Marques, Luis Correia, Sérgio Pires |
| #64 | WiMAXmeter: Test & Measurement bench for WiMAX systems
João Matos, Rui Rocha, Rui Neves |
| #66 | Dynamic simulation planning of mobile WiMAX networks
Guilherme Pereira, António Rodrigues, Pedro Sebastião |
| #70 | Magnitude Modulation for Peak Power Control of RRC Pulse-Shaped Signals
Marco Gomes, Vitor Silva, Francisco Cercas, Martin Tomlinson |
| #71 | Modelling of Linear Coverage in UMTS Applied to Tunnels and Bridges
Vikash Laxmidas, Luís Correia, Sérgio Pires |
| #78 | Comparison between UMTS/HSPA+ and WiMAX/IEEE 802.16e in Mobility Scenarios
Ricardo Preguiça, Luís Correia, Carlos Caseiro |
| #98 | A Statistical 3D MIMO Radio Channel Model for UMTS
Filipe Leonardo, Luís Correia |
| #104 | A Possible MAC Layer Implementation for Dedicated Short Range Communications
Daniel Morais, Luís Domingues, Ricardo Abreu, João Matos |
| #105 | Hybrid WiMAX and Wi-Fi networks for the Support of B-Learning and Telemedicine
Rui Costa, Fernando J. Velez, Daniel Robalo, Marco Marques, Cláudio Comissário, José Riscado, Victor Cavaleiro, Pedro Sebastião, António Rodrigues |
| #107 | HCS in UMTS/HSPA Systems
Tiago Rebelo, António Rodrigues |
| #109 | Multiband OFDM Transmission in RoF Systems
Leandro Oliveira, Mário Lima, António Teixeira |
| #114 | Spectrum analyzer with USRP, GNU Radio and MATLAB
António José Costa, João Lima, Lúcia Antunes, Nuno Borges Carvalho |
| #117 | Performance Analysis of Altimeter-Aided GNSS Receiver for Indoor Scenarios
Fernando Nunes, Fernando Sousa, José Leitão |
Multimedia Technologies and Applications
| #12 | Fast Implementation for Multiscale Recurrent Pattern Image Coding
Danillo Graziosi, Nuno Rodrigues, Eduardo Da Silva, Vítor Silva, Sérgio Faria |
| #39 | Enhancing Biometrics Security
Tiago Santos, Gonçalo Lourenço, Luis Ducla Soares, Paulo Lobato Correia |
| #67 | Fast Motion Estimation for H.264 using Dynamic Search Window
Sandro Moiron, Mohammed Ghanbari |
| #77 | Evaluation of Pre-processing in Road Pavement Image Analysis
Henrique Oliveira, Paulo Lobato Correia |
| #79 | Compound Image Segmentation for Multiscale Recurrent Pattern Coding
Luís Lucas, Nuno Rodrigues, Sérgio Faria |
| #89 | Quality assessment of H.264/AVC encoded video
Tomás Brandão, Luís Roque, Paula Queluz |
| #96 | Re-engineering Jake2 to work on a grid
Gonçalo Amador, Ricardo Alexandre, Abel Gomes |
| #112 | Multiple Description Coding Scheme for H.264/AVC Intra Slices
Pedro Correia, Pedro Assunção, Vitor Silva |
| #128 | Video Summary Generation and Coding Using Temporal Scalability
Lino Ferreira, Luís Cruz, Pedro A. Amado Assunção |
Networking
| #2 | Sensor Network deployment based on data variability
Roberto Henriques, Rui Rocha |
| #3 | Integrated System for Collecting, Processing and Storing Network Information
Catarina Monteiro, Paulo Salvador, António Nogueira, Eduardo Rocha, Rui Valadas |
| #7 | Performance Analysis of a Hybrid Flooding-Probabilistic DTN Protocol using Logged Contact Data
Constantino Antunes, Ricardo Morla |
| #9 | A low-cost wireless sensor network
João Carmo, Paulo Mendes, Carlos Couto, Higino Correia |
| #14 | Network Coding Multicast Framework for Broadband Satellite Systems
Fausto Vieira, João Barros |
| #29 | Design of Survivable Optical Networks with Minimum CAPEX
Rui Morais, Claunir Pavan, Cristina Requejo, Armando Pinto |
| #33 | Multi-Radio Hybrid Wireless-Optical Broadband Access Networks
Noelia Correia, José Coimbra, Gabriela Schutz |
| #68 | Evaluating WiMAX QoS performance in a real testbed
Ricardo Matos, Pedro Neves, Susana Sargento |
| #69 | WiMAX Deployment, Planning and Optimization: Application to Different Scenarios
Bruno Rés, Susana Sargento |
| #73 | Studies for Modeling Basic Aspects of Source Traffic
João Gomes, Pedro Inácio, Branka Lakic, Mário Freire, Henrique Silva, Paulo Monteiro |
| #82 | A Classification Framework for Network and Service Management Models
João Trindade, Teresa Vazão |
| #88 | On the Estimation of CAPEX in Optical Multilayer Networks
Claunir Pavan, Rui Manuel Morais, Armando Nolasco Pinto |
| #97 | Preserving network QoS during remote images-management
Hélder Mendes, Jorge Mamede |
Optical Communications Systems
| #5 | Near Threshold Regime Optimization of a Corrugation-Pitch-Modulated DFB Laser Structure with Inhomogeneous Coupling Coefficient
José Boavida, Carlos Fernandes, José Morgado |
| #27 | ASE Noise Simulation in Raman Amplification Systems
Nelson Muga, Meire Fugihara, Mário Ferreira, Armando Pinto |
| #34 | All-Optical Remote Node for Cost-Effective Metro-Access Convergence-
Sílvia Pato, João Pedro, João Santos, Henrique Silva, João Pires, Paulo Monteiro |
| #37 | Analysis of a Pump Reflecting Raman Fiber Amplifier
João Ferreira, Meire Fugihara, Armando Pinto |
| #38 | Visible Light Communication for Advanced Driver Assistant Systems
Navin Kumar, Luis Alves Nero, Rui L Aguiar |
| #45 | Chromatic dispersion monitoring scheme with very high dispersion monitoring window at 40 Gbit/s
Vitor Ribeiro, Mário Lima, António Teixeira, Rogério Nogueira |
| #46 | Impact of Transient Response of Optical Amplifiers Operating with Burst Traffic
Berta Neto, Cláudia Reis, Ana Maria Rocha, Gabriele Incerti, Nayoa Wada, Giorgio Tosi-Beleffi, Davide Forin, António Teixeira, Paulo André |
| #51 | Improving the Upstream Channel Efficiency of Passive Optical Networks via Frame Aggregation and Compression
João Santos, Pedro Inácio, João Gomes, Artur Arsénio, João Pires, Mário Freire, Paulo Monteiro |
| #53 | On Building a Distributed Antenna System with Joint Signal Processing for Next Generation Wireless Access Networks: The FUTON Approach
Sílvia Pato, João Pedro, João Santos, Artur Arsénio, Pedro Inácio, Paulo Monteiro |
| #56 | High power effect in bend SMF fiber
Ana Maria Rocha, Gabriele Incerti, Davide Forin, Giorgio Bellefi, Margarida Facão |
| #57 | Effects of the Noise Spikes on the Digital Symbol Synchronizers
António Reis, José Rocha, Atilio Gameiro, José Carvalho |
| #90 | Intensity Modulated Remodulation Scheme Based on Single-Sideband Manchester Downstream Signal for Usage in Ring Tree Networks
Nataša Pavlovic, Liliana Costa, António Teixeira |
| #108 | Modeling of Bend Losses in Single-Mode Optical Fibers
André Filipe Moreira Martins, Ana Maria Rocha, Berta Neto, António Teixeira, Margarida Facão, Rogério Nogueira, Mário Lima, Paulo André |
| #110 | Remotely Reconfigurable Remote Node for Hybrid Ring-Tree Passive Optical Networks
Albano Baptista, Marco Ferreira, André Quinta, Mário Lima, António Teixeira |
| #124 | Implementation of an Automated Fiber Bragg Grating Writing System
Carlos Marques, Miguel Drummond, Francelli Corandi, Rogério Nogueira |
| #126 | Analysis of Different Writing Techniques for Chirped Fibre Bragg Gratings
Francelli Klemba Coradin, Carlos Marques, Rogério Nunes Nogueira, João Lemos Pinto, Márcia Muller, José Luís Fabris |
Power Systems for Telecommunications
| #47 | One Cycle Control Design for High Performance Two-Level Power Inverters
Carlos Ferreira, Beatriz Borges, Luís Sá |
| #75 | Single Stage Techniques for Power Factor Correction
Hugo Ribeiro, Beatriz Borges, Carlos Ferreira |
| #111 | An Improved Method for Monolithic CMOS Quasi-Square-Wave DC-DC Converters-
Vitor Costa, Pedro Santos, Beatriz Borges |
Quantum Effects in Information and Transmission
| #35 | Single-Photon Generation
Nuno Silva, Nelson Muga, Armando Pinto |
| #62 | Quantum identification system over private quantum channel
José Cláudio Nascimento, Paulo Mateus Carreira, Rubens Viana Ramos |
| #93 | Quantum Tags for the Authentication of Classical Public Messages
Francisco Marcos De Assis, Paulo Mateus, Yasser Omar |
Services and Applications
| #30 | Activeness and Responsiveness in Mobile Processes
Maxime Gamboni, António Ravara |
| #52 | Taxonomy for Wireless Sensor Networks Services Characterisation and Classification
Luís Borges, Fernando Velez, António Lebres |
Signal Processing
| #10 | Vessel Detection and velocity estimation using SAR amplitude images
Duarte Carona, Paulo Marques |
| #36 | Unsupervised Hyperspectral Signal Subspace Identification
José M.P. Nascimento, José Bioucas-Dias |
| #63 | MMSE Receivers for Non-Linearly Distorted OFDM Signals
João Oliveira, Miguel Rodrigues, Henrique Salgado |
| #80 | Phonetic Recognition Improvements through Input Feature Set Combination and Acoustic Context Window Widening
Carla Lopes, Fernando Perdigão |
| #83 | A Review of Current Computer Aided Diagnosis Systems for Polyp Detection in Virtual Colonoscopy
Farhan Riaz, Miguel Tavares Coimbra, Mário Dinis Ribeiro |
| #99 | Out-Of-Vocabulary Detection and Confidence Measures for Speech Recognition Using Phone Models--
Arlindo Veiga, Cláudio Neves, Fernando Perdigão, Luís Sá |
| #115 | Image Restoration with Compound Regularization Using a Bregman Iterative Algorithm
Manya Afonso, José Bioucas-Dias, Mário Figueiredo |
| #116 | Adaptive Total Variation Image Reconstruction: Application to Magnetic Resonance Imaging
João Oliveira, José Bioucas-Dias, Mário Figueiredo |
| #118 | Improved SOVE Algorithm for Full Velocity Vector Estimation of Ships using Amplitude SAR Data
Andrea Radius, Paulo Marques |
| #119 | Theoretical Performance of the MEDLL Algorithm for the New Navigation Signals
Nuria Blanco-Delgado, Fernando D. Nunes |
| #120 | From diversity and denoising to phase imaging
Gonçalo Valadão, José Bioucas-Dias |
| #121 | Audio Fingerprinting System for Broadcast Streams
Cláudio Neves, Arlindo Veiga, Luís Sá, Fernando Perdigão |
| #122 | On the computation of a nonnegative matrix factorization and its application in telecommunications
Ana Almeida, Luís Merca Fernandes, Joaquim Júdice, João Patrício |
| #127 | A fast FPGA implementation of the inter-layer deblocking filter for H.264/SVC
Guilherme Corrêa, Luciano Agostini, Luis Cruz |
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