14:30 Satellite Altitude Estimation Using GPS Carrier Phase, J. O. Costa, J. Leitão, IST/IT,Portugal

14:50 Phase Estimation in Mobile Comm-unications and Navigation, R. Castro, J. Leitão, IST/IT, Portugal

15:10 Series Representation of the Statistics of Certain Carrier Phase and Timing Estimators, G. Tavares, IST/INESC, L. Tavares, IP Beja/INESC, M. Piedade, IST/INESC,Portugal

15:30 A Fast Phase Acquisition Receiver for Nongeostationary Orbit Satellites, F. Nunes, J. Leitão, IST/IT, Portugal

15:50 Parameter Estimation in Multipath Environments,P. Oliveira, E. Naval, V. Barroso, IST/ISR, Portugal

14:30 Adaptive Array Antenna with Electronically Steerable Beam, J. Fernandes, J. R. Pereira, P. Jesus, José Ferreira, UA/IT, Portugal

14:50 Improving the Design of Dielectric Lens Antennas for Millimetre Wave Communications, L. Anunciada, M. Filipe, C. Fernandes, IST/IT, Portugal

15:10 A Reflector Antenna Design for Omnidirectional Service Compliance, J. Bergmann, F. Hasselmann, L. Pereira, M. Branco, CETUC, Brazil

15:30 Equivalent Source Method for Diagnosis and Radiated EMI Measurement, F. Las-Heras, ETSIT/UPM, Spain

15:50 The Performance of the Lisbon International Airport ILS in the Presence of Mobile Communications Interference, P. Vitor, IST, E. Cardoso, R. Guerra, C. Silva, C. Bastos, ANA, K. Tam, Univ. Macau, Portugal

14:30 Dithering in A/D Converters: A Compromise Between Resolution and Bandwidth, J. D. Pereira, IP Setúbal/IT, A. Serra, P. Girão, IST/IT, Portugal

14:50 Dynamic Characterization of Analog to Digital Converters, R. C. Martins, A. Serra, IST/IT, Portugal

15:10 The Effect of Phase Shift Position on the Characteristics of InGaAsP QWS Distributed Feedback Laser Diodes,C. F. Fernandes, IST/IT, Portugal

15:30 A High-Gain, High-Bandwidth Receiver for Atmospheric Optical Communications, A. Carreiró, IT, R. Aguiar, UA/IT, E. Vasconcelos, IT, D. Santos, UA/IT, C. Lomba, ENT, Portugal

15:50 Spread Spectrum Transceiver for Basic Rate ISDN Signals, A. Gameiro, J. Matos, J. Pereira, P. Silva, D. Rodrigues, E. Gomes, UA/IT, Portugal
 
 

14:30 Mobile Communications in the 21^st Century, B. Fernandes, SIEMENS, Germany

14:50 Spatial and Temporal Traffic Distributions Models for GSM, S. Almeida, J. Queijo, L. Correia, IST/IT, Portugal

15:10 Dynamic Channel Allocation Techniques: A Comparative Study, V. Santos, UA/IT, M. Dinis, CET/PT, J. Neves, UA/IT, Portugal
 
 

15:30 New Calls Traffic Performance in Microcellular Mobile Broadband Systems with High Mobility Handover, F. Velez, UBI/IT, L. Correia, IST/IT, Portugal

15:50 Wideband Channel Modeling for Picocellular Mobile Communications, P. Marques, IP Castelo Branco, J. Fernandes, J. Neves, UA/IT, Portugal

16:40 A Model for the Oversampled Received Signal in a WSS-US Transmission Environment, E. Pinto, IME, M. Grivet, CETUC, Brazil

17:00 Blind Channel Identification Using the Propagator Operator, M. Frikel, V. Barroso, J. Xavier, IST/ISR, Portugal

17:20 EnhancedBlind Direct Zero-Forcing Equalization of MIMO Channels, J. Xavier, V. Barroso, IST/ISR, Portugal

17:40 Multichannel Lattice Filtering Based on Parallel Scalar Modules, J. Gomes, V. Barroso, IST/ISR, Portugal

18:00 Monitoring Moving Targets Using SAR Images, P. A. Marques, ISEL, J. B. Dias, IST/IT, Portugal

16:40 A New Numerical Method for Multichannel Soliton Amplification in Erbium-Doped Fiber Amplifiers, J. R. Costa, C. Paiva, A. Barbosa, IST/IT, Portugal

17:00 A New Design Procedure to Select Optimal Dispersion Maps for WDM Soliton Communication Systems, F. Janeiro, A. Topa, C. Paiva, IST/IT, Portugal

17:20 Effect of Intermodal Dispersion on Soliton Switching in Twin-Core Nonlinear Fiber Couplers, P. Ramos, C. Paiva,IST/IT, Portugal

17:40 Bit-error Rate Evaluation in Soliton Systems, A. Pinto, J. Rocha, P. André, J. Pinto, UA/IT, Portugal

18:00 Short Optical Pulses Generation by Gain Switching of a DFB Laser Diode, A. Pinto, P. André, J. Pinto, J. Rocha, UA/IT, Portugal

16:40 A New Active Device Model Approximation Suitable for a Nonlinear Frequency Domain Simulator, N. Carvalho, J. Pedro, UA/IT, Portugal

17:00 Highly Efficient MMIC Class-F Power Amplifier, L. Gomes, TELECEL, J. Pedro, N. Carvalho, UA/IT, Portugal

17:20 A 3.3V, 1.8GHz CMOS Down Conversion Image-Rejection Mixer, F. Azevedo, F. Fortes, ISEL/IT, M. Rosário,IST/IT, Portugal

17:40 Microstrip Diplexer for a Mobile Communications Systems, B. Barilese, IT, C. Peixeiro, IST/IT, Portugal

18:00 Radiofrequency Systems of a Cellular Network of Digital Television and Broadband Interactive Services at 42GHz,A. Arriaga, M. López, R. García, A. Saiz, R. Maza, T. Fernández, J. L. Garcia, Univ. of Cantabria, Spain

16:40 MC-CDMA Performance in the Presence of Timing Errors, H. Steendam, M. Moeneclaey, Univ. of Ghent, Belgium

17:00 Analysis of Performance for a Multicarrier CDMA System, E. Gurjão, M. Alencar, Univ. Federal Paraíba, Brazil

17:20 Forward Link MC-CDMA System Performance with Intercell Interference, M. Nunes, J. Santos, A. Rodrigues, IST/IT, Portugal, J. Punt, H. Nikokaar, R. Prasad, Delft Univ. of Technology, The Netherlands

17:40 Simplified Radio Interface for CDMA with TCH Codes, L. Antunes, F. Cercas, IST/IT, Portugal

18:00 WidebandCDMA With Blind Interference Cancellation, A. Correia, F. Cercas, A. Rodrigues, IST/IT, Portugal
 
 
 
 

10:50 Empirical Bayes Wavelet Denoising Using Jeffreys' Prior, M. Figueiredo, IST/IT, Portugal,R. Nowak, Michigan State Univ., USA

11:10 Non-Linear Diffusion for Color Image Segmentation, R. Pires, P. Smet, Univ. of Ghent, Belgium

11:30 Using Independent Components in Natural Image Coding, A. Puga, A. Alves, FEUP/INESC, Portugal

11:50 QoS Filters for Flexible Digital TV Services, P. Assunção, IP Leiria, Portugal

12:10 The IST MPEG-4 Facial Animation System, G. Abrantes, F. Pereira, IST /IT, Portugal

10:50 Comparison Between n⁺-InP and Semi-Isolating Substrates in Reducing the Cross-Talk in Integrated Optical Transceivers, A. Ribeiro, IST/IT, Portugal

11:10 Rigorous Analysis of the Impact of Multisource Crosstalk in a NxN Benes Optical Switch, L. Cancela, J. Pires, IST/IT, Portugal

11:30 Influence of Fiber Nonlinearity on Noise Transmission in IM/DD Repeaterless System with Optical Post - and Pre-Amplifiers, J. Morgado, A. Cartaxo, IST/IT, Portugal

11:50 5 to 10 GHz Tunable Self-Pulsation in a DFB-MQW Laser, P. Tavares, O. Frazão, A. Cunha,UA/IT, L. Ribeiro, UM, J. Rocha, UA/IT, Portugal

12:10 On Modelling Thermal Effects in Semiconductor Lasers Used in Communication Systems, R. Ribeiro, J. Rocha,UA/IT, Portugal

10:50 Smart Power ICs Fast Prototyping for Portable Telecommunications, A. Casimiro, IT, Portugal, S. Finco, FCTI, Brazil, P. Tavares, IT, Portugal, F. Behrens, PUCCAM, C. Mammana, FCTI, Brazil, M. Simas, IST/IT, Portugal

11:10 New NMOS Device for Low Cost Smart Power Integration, P. Santos, A. Casimiro, M. Simas, M. Lança, IST/IT,Portugal

11:30 Novel Active Power Filter Topology, F. Lima, A. Anunciada, IST/IT, Portugal

11:50 Single-Phase Power Factor Correction Converter, J. Dias, L. Barata, B. Borges, A. Anunciada, IST/IT, Portugal

10:50 Provision of Broadband Multimedia Services: ACTS R&D Work for the "Highway" in the Last Mile, C. Pires, A. Albuquerque, DGXIII.F, EC, Belgium

11:10 RIA ATM OS, a TINA Based ATM Network Management System, P. Pereira, IT, L. Silva, CET/PT, Portugal

11:30 Proposal for a Real Distributed Network Management Architecture, F. Fontes, J. Bastos, CET/PT, Portugal, T. Miguel, A. Azcorra, UPM, Spain

11:50 A Conference Control Service Based on the CORBA Event Service, J. Orvalho, T. Andrade, F. Boavida, FCTUC,Portugal

12:10 Native ATM Videoconferencing Based on H.323, R. Rodrigues, A. Grilo, M. Santos, M. S. Nunes, INESC,Portugal

14:30 Performance Results for TCH Codes Using Efficient Simulation, P. Sebastião, F. Cercas, A. Cartaxo ,IST/IT,Portugal

14:50 Performance Analysis of TCH Codes and other New PN Even Balanced (PN-EB) Codes Suitable for High Processing Gain DS-SS Systems, J. Inácio, ENIDH/INESC, F. Cercas, IST/IT, J. Gerald, M. Ortigueira,IST/INESC,Portugal

15:10 Design of Spread Spectrum Sequences Using Algebraic Geometric Codes, G. Silva, Escola Técnica Federal Rio Grande do Norte, F. Assis, Univ. Federal Paraíba, Brazil

15:30 Decoding Algorithm for Reed-Solomon Codes Using the Method of Groebner Basis, L. Lima, F. Assis, Univ. Federal Paraíba, Brazil

14:30 Cross-Phase Modulation in Intensity Modulation - Direct Detection WDM Systems with Multiple Fibre Spans, A. Cartaxo, IST/IT, Portugal

14:50 Influence of Fibre Dispersion on the Performance of Optical Fibre Code Division Multiple Access Systems, P. Mendes, IP Castelo Branco, H. A. Silva, FCTUC/IT, Portugal

15:10 Time Analysis of Distributed Restoration Applied to WDM Networks, J. M. Santos, T. Almeida,CET/PT, Portugal

15:30 Towards WDM Based Transport Networks, PT Network Evolution - a Case Study, T. Almeida, CET/PT, Portugal

15:50 CATV and Satellite Television Optical Fibre Link, M. R. Santos, G. Andrade, J. Pedro, J. Neves, UA/IT,Portugal
 

Session FA3
Room: Veronica

Topic: Speech Processing and Receiver Systems

14:30 Building Acoustic Patterns for Speaker Recognition through a Self-Organizing Algorithm, F. Madeiro, J. Fechine, B. Neto, M. Alencar, Univ. Federal Paraíba, Brazil

14:50 Phonetic Vocoding, C. Ribeiro, ISEL/INESC, I. Trancoso, IST/INESC, Portugal

15:10 Digit Recognition Using the SPEECHDAT Corpus, F. Rodrigues, I. Trancoso, IST/INESC, Portugal

15:30 Direction of Arrival Estimation for CDMA Signals by Using the EM-Algorithm, R. Zelenovsky, IME, M. Grivet, CET/PUC,Brazil

15:50 Neural Diversity Receiver for Mobile Satellite Communications, P. Coelho, Univ. do Estado do Rio de Janeiro, Brazil

14:30 Scalability Issues in Telecommunications Services, L. Bernardo, D. Crespo, A. Marques, IST/INESC, P. Pinto, UNL, Portugal

14:50 Technology Integration for EXPO-ACTS: Pratical Experiments and Results, F. Fontes, I. Borges, J. Loureiro, A. Bastos, J. Domingues, CET/PT, Portugal

15:10 Laboratory Experiments for Teaching Routing in Telecommunications Networks, R. Valadas, P. Ferreira, C. Lopes, A. Oliveira, UA, Portugal

15:30 Rerouting Strategies in Self-Healing ATM Network, S. Ashraf, C. Lac, INT, France

15:50 Congestion Control: Evaluation of Binary Schemes, A. Almeida, C. Belo, IST/IT, Portugal

PS-02 Microstrip Path Antenna Array for GSM 1800, C. Rodrigues, L. Garcia, C. Peixeiro, IST/IT, Portugal

PS-03 A New Broadband Printed Antenna Element for Endfire Radiation, M. Rodrigo, UP of Valencia, Spain, C. Fernandes, IST/IT,Portugal

PS-04 Antenna Configuration for Broadband Cellular Coverage, J. Fernandes, Arlindo Marques, J. Garcia,UA/IT,Portugal

PS-05 Assessment of Propagation Models in Irregular Urban Microcells for GSM 900, A. Claro, J. Ferreira, L. Correia, IST/IT, Portugal

PS-06 Implementation of a Propagation Model for Indoor Environments for GSM, A. Domingues, L. Correia,IST/IT,Portugal

PS-07 Co-Siting Criteria for Wind Turbine Generators and VHF/UHF Transmitter Antennas, C. Salema, C. Fernandes, IST/IT, Portugal

PS-08 Similarities Between Circular and Square Dielectric Waveguides, C. Salema, C. Fernandes, IST/IT, Portugal

PS-09 Leaky Modes in Anisotropic Planar Structures with Application to LiNbO₃ Waveguides, A. Topa, C. Paiva, A. Barbosa, IST/IT, Portugal

PS-10 Automatic Capacitance Measurement System, M. Silva, A. Serra, IST/IT, Portugal

PS-11 A MMIC Image Rejection Up Converter, J. Torres, ISEL/IT, J. Freire, IST/IT, Portugal

PS-12 An All Digital Stereo FM Transmitter, H. Miranda, INESC, V. Alves, T. Pinto, A. Fernandes, F. Araújo, FEUP/INESC, Portugal

PS-13 DECT for Wireless PABX Applications, P. Corrêa, TELECEL, J. Noites, SIEMENS-Matsushita, A. Muchaxo, INESC, H. Sarmento, IST/INESC, Portugal

PS-14 PCI Bus Interface Card for Communication at 2 Mbps, M. Silveirinha, J. Simões, FCTUC, M. Veríssimo, CET/PT, E. Martins, L. Sá,FCTUC/IT, Portugal

PS-15 An Efficient Transport System for Mixed Synchronous and Asynchronous Traffic, D. Marques, IT, R. Aguiar, UA/IT, C. Lomba, ENT,Portugal

PS-16 Modified RF Lumped and Transversal Filter, K. Tam, Univ. Macau, J. Vinagre, B. Gomes, IST, J. Freire, IST/IT, P. Vitor, IST, R. Martins, Univ. Macau, Portugal

PS-17 Modelling and Applying Wire Bond Interconnections, H. J. Silva, F. Fortes, ISEL/IT, M. Rosário, C. Peixeiro, IST/IT, Portugal

PS-18 Gain Compression or Expansion, Distortion and Other Large Signal Power Amplifier Related Phenomena, N. Carvalho, J. Pedro, UA/IT, Portugal

PS-19 A Very Fast and Efficient Computation Method for Nonlinear Distortion on Uniformly Discretized Spectra,J. Pedro, N. Carvalho, UA/IT, Portugal

PS-20 Intermodulation Distortion Prediction in Mesfet Switches and Attenuators, J. A. Garcia, R. Garcia, Univ. of Cantabria, Spain, J. Pedro, N. Carvalho, UA/IT, Portugal, A. Mediavilla, A. Tazón, Univ. of Cantabria, Spain

PS-21 Impact of WDM Induced Jitter on Soliton Transmission Systems, A. Teixeira, J. Rocha, R. Ribeiro,UA/IT,Portugal

PS-22 Strategies for Inter - Satellite Optical Communications, A. Sousa, J. Rocha, R. Ribeiro, UA/IT, Portugal

PS-23 Frequency Noise Transmission Over Nonlinear Dispersive Singlemode Fibres at Zero-Dispersion Wavelength, J. Morgado, A. Cartaxo, IST/IT, Portugal

PS-24 Relative Intensity Noise Induced by Fibre Dispersion at Zero-Dispersion Wavelength in Nonlinear Dispersive Singlemode Fibres, J. Morgado, A. Cartaxo, IST/IT, Portugal

PS-25 First Results on Dispersion Supported Transmission Performance Improvement Achieved by Using Transversal Filters, A. Cartaxo, J. Nunes, IST/IT, Portugal

PS-26 Bit Synchronizer Operating at Half Rate, A. Reis, J. Rocha, A. Gameiro, UA/IT, J. Carvalho, UBI, Portugal

PS-27 Pratical Synchronization of Optical 10Gbps Soliton Streams, P. Tavares, O. Frazão, UA/IT, A. Cunha, UA, L. Ribeiro, UM, J. Rocha, UA/IT, Portugal

PS-28 Dynamic Acousto-Optic Filters for Gain Flattening of Optical Amplifiers, C. Alegria, R. Feced, M. Zervas, R. Laming, Univ. of Southampton, United Kingdom

PS-29 Extraction of DFB Laser Rate Equations Parameters for Optical Simulation Purposes, P. André, A. Pinto, J. Pinto, J. Rocha, UA/IT, Portugal

PS-30 The Effect of Temperature on the Light- Current Characteristics of InGaAsP Quantum Well Lasers, J. T. Pereira, IST/IT, Portugal

PS-31 Optical Filters for Nx20 Gbit/s WDM Dispersion Supported Transmission Systems, M. Lima, A. Teixeira, J. Rocha, R. Ribeiro, UA/IT, Portugal

PS-32 Modelling Multimode Interference Devices, P. Almeida, A. Ribeiro, IST/IT, Portugal

PS-33 Modelling and Simulation of Passive Optical Devices, J. Reis, H. A. Silva, FCTUC/IT, Portugal

PS-34 An Optical Digital Loop Carrier System, C. Costa, IST, T. Silva, INESC, H. Sato, NEC, Portugal

PS-35 Implementation and Performance Testing of an 802.11 Wireless LAN, J. Pagaime, P. Clemente, R. Rocha,IST,Portugal

PS-36 Redesigning Telecommunication Networks: An Architecture for the New Broadband Services, J. Firmeza,CET/PT, Portugal

PS-37 Telematic Transmission System in Highways, J. Salgado, J. Gonçalves, P. Cheia, T. Sousa, CET/PT, Portugal

PS-38 Security in a Distributed System, C. Coimbra, CET/PT, J. Martins, J. Rafael, UA, Portugal

PS-39 An Operating System for Heterogeneous SPC Exchanges Based on SNMP, K. Santos, M. Alencar, J. Moura,Univ. Federal Paraíba, Brazil

PS-40 Protection of Intellectual Proprietary Rights over Open Networks, C. Serrão, J. Guimarães,ISCTE/ADETTI,Portugal

PS-41 Assessment of Blocking Performance in WDM Networks with Wavelength Interchange, M. Freire, UBI/IT, H. A. Silva, FCTUC/IT, Portugal

PS-42 A CIF Based System for Wireless Access to an ATM Network, Pedro Silva, Paulo Silva, A. Grilo, INESC, M. S. Nunes, IST/INESC, Portugal

PS-43 Measuring Quality of Service in Packet Networks, G. Quadros, E. Monteiro, F. Boavida, FCTUC,Portugal

PS-44 High Availability Solution for Inteligent Network Based Services, C. Moura, G. Amaro, A. Lavrador,CET/PT,Portugal

PS-45 Deployment of Services Based on TINA Architecture, P. Rocha, R. Machado, P. Loureiro, IT, T. Mota, CET/PT,Portugal

PS-46 The TOBA System, J. Mota, J. Pias, CET/PT, Portugal

PS-47 An Open Approach for Conditional Access to Multimedia Services, J. Guimarães, ISCTE/ADETTI, Portugal

PS-48 PCBAT 34 - A PC Based ATM Terminal, R. M. Martins, INESC, M. S. Nunes, IST/INESC, Portugal

PS-49 Simulation of a DMT System for the Return Channel in CATV Networks, A. Armada, Univ. Carlos III, C. Mena, M. Ramón, ETSIT/UPM, Spain

PS-50 Using Mobile Agents for the Management of Telecommunication Networks, L. Silva, P. Simões, J. G. Silva, FCTUC, J. Boavida, P. Monteiro, J. Rebhan, C. Renato, L. Almeida, R. Sthoer, Siemens, Portugal

PS-51 Distance Learning in PT, A. Santos, CET/PT, Portugal

PS-52 Telecommunications Integrated Training, V. Ramos, R. Sá, CET/PT, Portugal

PS-53 Real Time Transcription of Sung Melodies, C. Monteiro, A. Serra, IST/IT, Portugal

PS-54 Designing Codebooks for Speech Compression through a Neural Network Algorithm, F. Madeiro, R. Vilar, B. Neto, F. Assis, Univ. Federal Paraíba, Brazil

PS-55 A Noise Suppression Technique Using an Auditory Model, F. Perdigão, L. Sá, FCTUC/IT, Portugal

PS-56 Underwater Video Compression Based on Gabor Filters, J. Barbosa, V. Barroso, IST/ISR, Portugal

PS-57 Blind Source Separation Using Eigen-Decomposition Methods, A. Tomé, UA, Portugal, J. Príncipe, Univ. of Florida – Gainesville, USA

PS-58 SAR Simulation in a Scene Containing Moving Targets, P. A. Marques, ISEL, J. B. Dias, IST/IT, Portugal

PS-59 Rejection of Outliers in Global Motion Estimation,P. Correia, IST/IT, Portugal

PS-60 On the Performance of Low Bitrate Software Video Codecs on TCP/IP Based Networks, J. Isidro, L. Coelho, L. Sousa, K. Ferreira, IST/INESC,Portugal

PS-61 General Geometric Transform for Video Compression, N. Rodrigues, IP Leiria/IT, V. Silva, IT, S. Faria, IP Leiria/IT, Portugal

PS-62Precoder Circuit for Channels with Multipath Dispersion, P. Silva, A. Gameiro, A. Navarro, UA/IT, Portugal

PS-63 Flexible Framing Circuit for a Wide-Band Radio System, P. Silva, P. Ribau, A. Gameiro, A. Navarro, UA/IT,Portugal

PS-64 Capacity of Modulation Methods for Infrared WLAN's, R. Alves, IT, A. Gameiro, UA/IT, Portugal

PS-65 Simulations Using the Ptolemy Simulator with Educational Applications, G. Silva, Escola Técnica Federeal Rio Grande do Norte, F. Assis, Univ. Federal Paraíba, Brazil

PS-66 Design and Implementation of a Satellite TV Channels Alocation Unit, M. R. Santos, UA/IT, G. Andrade, R. Madureira, OPTIMUS, J. Pedro, J. Neves, UA/IT, Portugal

PS-67 Design and Implementation of a Satellite TV Channels Distribution System Based on Selective IF, M. R. Santos, UA/IT, G. Andrade, R. Madureira, OPTIMUS, João Ferreira, J. Couto, TEKA, A. Rocha, J. Neves, UA/IT,Portugal