Telecommunications and Networking - ICT 2004: 11th International Conference on Telecommunications Fortaleza, Brazil, August 1-6, 2004 Proceedings (Lecture Notes in Computer Science). Questo articolo non è disponibile.Telecommunications and Networking - ICT 2004: 11th International Conference on Telecommunications Fortaleza, Brazil, August 1-6, 2004 Proceedings (Lecture Notes in Computer Science)

Welcometothe11thInternationalConferenceonTelecommunications(ICT2004)ho- ed by the city of Fortaleza (Brazil). As with other ICT events in the past, this professional meeting continues to be highly competitive and very well perceived by the international networking community, - tracting excellent contributions and active participation. This year, a total of 430 papers from 36 countries were submitted, from which 188 were accepted. Each paper was - viewed by several members of the ICT2004 Technical Program Committee. We were very pleased to receive a large percentage of top-quality contributions. Thetopicsofsubmittedpaperscoveredawidespectrumfromphotonictechniques,signal processing,cellularnetworks,andwirelessnetworks,toadhocnetworks.Webelievethe ICT2004papersofferawiderangeofsolutionstokeyproblemsintelecommunications, and describe challenging avenues for industrial research and development. In addition to the conference regular sessions, seven tutorials and a workshop were organized.Thetutorialsfocusedonspecialtopicsdealingwithnext-generationnetworks. The workshop focused on particular problems and solutions in heavily distributed and shareable environments. We would like to thank the ICT 2004 Technical Program Committee members and referees. Without their support, the creation of such a broad conference program would not be possible. We also thank all the authors who made a particular effort to contribute to ICT2004. We truly believe that due to all these efforts the ?nal conference program consisted of top-quality contributions. We are also indebted to many individuals and organizations that made this conference possible. In particular, we would like to thank the members of the ICT2004 Organizing Committee for their help in all aspects of the organization of this professional meeting.

Multimedia Services.- Enhancing 3G Cellular Systems with User Profiling Techniques for Multimedia Application QoS Adaptation.- Delivery of Streaming Video in Next-Generation Mobile Networks.- Use of the 2500-2690 MHz Band for Multimedia Broadcast Multicast Service.- Throughput Fairness and Capacity Improvement of Packet-Switched Networks Through Space-Time Scheduling.- Antennas.- Performance of MIMO Antenna Systems with Hybrids of Transmit Diversity and Spatial Multiplexing Using Soft-Output Decoding.- Simple Model to Determine the Gap Effect on the Input Impedance of a Cylindrical Dipole. Application to Standard Antennas.- An Interference Avoidance Technique for Ad Hoc Networks Employing Array Antennas.- Analysis of a Cylindrical Microstrip Antenna by the Nonorthogonal FDTD Method and Parallel Processing.- Transmission Technologies andWireless Networks.- Unified Analysis of the Local Scatters Channel Model.- Spacial Analysis of the Local Scatters Channel Model.- Propagation Prediction Based on Measurement at 5.8GHz for Fixed Wireless Access.- Dimensioning of Wireless Links Sharing Voice and Data.- Communication Theory (I).- An Iterative Matrix-Based Procedure for Finding the Shannon Cover for Constrained Sequences.- Truncated Importance Sampling Simulation Applied to a Turbo Coded Communication System.- Zero-Error Capacity of a Quantum Channel.- Communication Theory (II).- Communication System Recognition by Modulation Recognition.- An Extension to Quasi-orthogonal Sequences.- Trellis Code Construction for the 2-User Binary Adder Channel.- Rayleigh Fading Multiple Access Channel Without Channel State Information.- Communication Theory (III).- Adaptive Decision Feedback Multiuser Detectors with Recurrent Neural Networks for DS-CDMA in Fading Channels.- Comparison of two Filterbank Optimization Criteria for VDSL Transmission.- Phase Estimation and Phase Ambiguity Resolution by Message Passing.- An Expurgated Union Bound for Space-Time Code Systems.- Achieving Channel Capacity with Low Complexity RS-BTC Using QPSK over AWGN Channel.- Telecommunication Pricing and Billing.- Design of Sub-session Based Accounting System for Different Service Level of Mobile IP Roaming User.- Priority Telephony System with Pricing Alternatives.- Mobile Telephony Industry: Price Discrimination Strategies for Interconnected Networks.- Network Performance and Telecommunication Services.- A Novel ECN-Based Congestion Control and Avoidance Algorithm with Forecasting and Verifying.- Competitive Neural Networks for Fault Detection and Diagnosis in 3G Cellular Systems.- Performance Analysis of an Optical MAN Ring for Asynchronous Variable Length Packets.- Enabling Value-Generating Telecommunications Services upon Integrated Multiservice Networks.- Active Networks and Mobile Agents.- An Architecture for Publishing and Distributing Service Components in Active Networks.- Performance Comparison of Active Network-Based and Non Active Network-Based Single-Rate Multicast Congestion Control Protocols.- MAMI: Mobile Agent Based System for Mobile Internet.- Design and Implementation of an ANTS-Based Test Bed for Collecting Data in Active Framework.- Adaptive QoS Management for Regulation of Fairness Among Internet Applications.- Optical Photonic Technologies (I).- Black Box Model of Erbium-Doped Fiber Amplifiers in C and L Bands.- Optical Packet Switching Access Networks Using Time and Space Contention Resolution Schemes.- Full-Optical Spectrum Analyzer Design Using EIT Based Fabry-Perot Interferometer.- A Powerful Tool Based on Finite Element Method for Designing Photonic Crystal Devices.- Optical Photonic Technologies (II).- Analysis of Quantum Light Memory in Atomic Systems.- Wavelength Conversion with 2R-Regeneration by UL-SOA Induced Chirp Filtering.- Performance Analysis of Multidimensional PPM Codes for Optical CDMA Systems in the Presence of Noise.- Smart Strategies for Single-Photon Detection.- Optical Networks (I).- Inter-arrival Planning for Sub-graph Routing Protection in WDM Networks.- An Adaptive Routing Algorithm for Intelligent and Transparent Optical Networks.- Novel Wavelength Assignment Algorithm for Intelligent Optical Networks Based on Hops Counts and Relative Capacity Loss.- Ad Hoc Networks (I).- Assigning Codes in a Random Wireless Network.- Flexible QoS Routing Protocol for Mobile Ad Hoc Network.- Integrating Mobile Ad Hoc Network into Mobile IPv6 Network.- Network Architecture for Scalable Ad Hoc Networks.- Ad Hoc Networks (II).- Dual Code-Sensing Spread Spectrum Random Access (DCSSRA) Protocol for Ad Hoc Networks.- Exploiting the Small-World Effect to Increase Connectivity in Wireless Ad Hoc Networks.- Adaptive Resource Management in Mobile Wireless Cellular Networks.- Comparative Analysis of Ad Hoc Multi-path Update Techniques for Multimedia Applications.- Ad Hoc Networks (III).- PRDS: A Priority Based Route Discovery Strategy for Mobile Ad Hoc Networks.- Performance Evaluation of AODV Protocol over E-TDMA MAC Protocol for Wireless Ad Hoc Networks.- Mitigating the Hidden Terminal Problem and Improving Spatial Reuse in Wireless Ad Hoc Network.- A New Distributed Power Control Algorithm Based on a Simple Prediction Method.- Ad Hoc Networks (IV).- A Heuristic Approach to Energy Saving in Ad Hoc Networks.- Calculating the Maximum Throughput in Multihop Ad Hoc Networks.- Throughput of Distributed-MIMO Multi-stage Communication Networks over Ergodic Channels.- Delivering the Benefits of Directional Communications for Ad Hoc Networks Through an Efficient Directional MAC Protocol.- Signal Processing (I).- Synchronization Errors Resistant Detector for OFDM Systems.- The Discrete Cosine Transform over Prime Finite Fields.- A Lattice Version of the Multichannel Fast QRD Algorithm Based on A Posteriori Backward Errors.- New Blind Algorithms Based on Modified “Constant Modulus” Criteria for QAM Constellations.- Signal Processing (II).- Channel Estimation Methods for Space-Time Block Transmission in Frequency-Flat Channels.- Faster DTMF Decoding.- Adaptive Echo Cancellation for Packet-Based Networks.- The Genetic Code Revisited: Inner-to-Outer Map, 2D-Gray Map, and World-Map Genetic Representations.- Signal Processing (III).- On Subspace Channel Estimation in Multipath SIMO and MIMO Channels.- A Novel Demodulation Technique for Recovering PPM Signals in the Presence of Additive Noise.- A Novel Iterative Decoding Method for DFT Codes in Erasure Channels.- Comparison Between Several Methods of PPM Demodulation Based on Iterative Techniques.- Signal Processing (IV).- A Network Echo Canceler Based on a SRF QRD-LSL Adaptive Algorithm Implemented on Motorola StarCore SC140 DSP.- Detection of Equalization Errors in Time-Varying Channels.- A Design Technique for Oversampled Modulated Filter Banks and OFDM/QAM Modulations.- Nonlinear Bitwise Equalization.- Network Performance and MPLS.- Modelling and Performance Evaluation of Wireless Networks.- Improving End-System Performance with the Use of the QoS Management.- Throughput Maximization of ARQ Transmission Protocol Employing Adaptive Modulation and Coding.- CR-LSP Dynamic Rerouting Implementation for MPLS Network Simulations in Network Simulator.- Traffic Engineering (I).- FuDyLBA: A Traffic Engineering Load Balance Scheme for MPLS Networks Based on Fuzzy Logic.- Service Differentiation over GMPLS.- Sliding Mode Queue Management in TCP/AQM Networks.- A Distributed Algorithm for Weighted Max-Min Fairness in MPLS Networks.- Traffic Engineering (II) and Internet (I).- Applying Artificial Neural Networks for Fault Prediction in Optical Network Links.- Capacity Allocation for Voice over IP Networks Using Maximum Waiting Time Models.- SCTP Mobility Highly Coupled with Mobile IP.- Migration to the New Internet – Supporting Inter Operability Between IPv4 and IPv6 Networks.- SIP, QoS (I), and Switches.- Smart Profile: A New Method for Minimising SIP Messages.- A QoS Provisioned CIOQ ATM Switch with m Internal Links.- Multi-constrained Least Cost QoS Routing Algorithm.- The New Packet Scheduling Algorithms for VOQ Switches.- Optical Networks (II).- An Algorithm for the Parameters Extraction of a Semiconductor Optical Amplifier.- All-Optical Gain Controlled EDFA: Design and System Impact.- Iterative Optimization in VTD to Maximize the Open Capacity of WDM Networks.- Link Management Protocol (LMP) Evaluation for SDH/Sonet.- Optical Networks (III) and Network Operation and Management (I).- Experimental Investigation of WDM Transmission Properties of Optical Labeled Signals Using Orthogonal IM/FSK Modulation Format.- Performance Assessment of Optical Burst Switched Degree-Four Chordal Ring Networks.- All-Optical Routing Limitations Due to Semiconductor Optical Amplifiers Dynamics.- The Hurst Parameter for Digital Signature of Network Segment.- Network Operation and Management (II).- High Performance Cluster Management Based on SNMP: Experiences on Integration Between Network Patterns and Cluster Management Concepts.- A Web-Based Pro-active Fault and Performance Network Management Architecture.- A CIM Extension for Peer-to-Peer Network and Service Management.- A Generic Event-Driven System for Managing SNMP-Enabled Communication Networks.- Network Management Theory and Telecommunications Networks.- Algorithms for Distributed Fault Management in Telecommunications Networks.- Fault Identification by Passive Testing.- Script MIB Extension for Resource Limitation in SNMP Distributed Management Environments.- UML Specification of a Generic Model for Fault Diagnosis of Telecommunication Networks.- Mobility and BroadbandWireless.- IEEE 802.11 Inter-WLAN Mobility Control with Broadband Supported Distribution System Integrating WLAN and WAN.- A Cost-Effective Local Positioning System Architecture Based on TDoA.- Indoor Geolocation with Received Signal Strength Fingerprinting Technique and Neural Networks.- Implementation of a Novel Credit Based SCFQ Scheduler for Broadband Wireless Access.- Cellular System Evolution (I).- BER for CMOS Analog Decoder with Different Working Points.- BiCMOS Variable Gain LNA at C-Band with Ultra Low Power Consumption for WLAN.- Joint MIMO and MAI Suppression for the HSDPA.- A Joint Precoding Scheme and Selective Transmit Diversity.- Cellular System Evolution (II).- Application of a Joint Source-Channel Decoding Technique to UMTS Channel Codes and OFDM Modulation.- Transmit Selection Diversity for TDD-CDMA with Asymmetric Modulation in Duplex Channel.- Planning the Base Station Layout in UMTS Urban Scenarios: A Simulation Approach to Coverage and Capacity Estimation.- A General Traffic and Queueing Delay Model for 3G Wireless Packet Networks.- Personal Communication, Terrestrial Radio Systems, and Satellites.- MobiS: A Solution for the Development of Secure Applications for Mobile Devices.- Compensating Nonlinear Amplifier Effects on a DVB-T Link.- Controlled Load Services in IP QoS Geostationary Satellite Networks.- Mobility Management.- Fast Authentication for Inter-domain Handover.- Session and Service Mobility in Service Specific Label Switched Wireless Networks.- Mobility Management for the Next Generation of Mobile Cellular Systems.- Handoff Delay Performance Comparisons of IP Mobility Management Schemes Using SIP and MIP.- Multimedia Information, Network Reliability, EMC in Communications, and Multicast.- A Video Compression Tools Comparison for Videoconferencing and Streaming Applications for 3.5G Environments.- Fairness and Protection Behavior of Resilient Packet Ring Nodes Using Network Processors.- Markov Chain Simulation of Biological Effects on Nerve Cells Ionic Channels Due to Electromagnetic Fields Used in Communication Systems.- Multiobjective Multicast Routing Algorithm.- Image Processing, ATM, andWeb Services.- A Comparison of Filters for Ultrasound Images.- Filtering Effects on SAR Images Segmentation.- The Implementation of Scalable ATM Frame Delineation Circuits.- Web Based Service Provision – A Case Study: Electronic Design Automation.- Communication, Security, and QoS (II).- Identification of LOS/NLOS States Using TOA Filtered Estimates.- A Hybrid Protocol for Quantum Authentication of Classical Messages.- Attack Evidence Detection, Recovery, and Signature Extraction with ADenoIdS.- QoS-Differentiated Secure Charging in Ad-Hoc Environments.- Switching and Routing.- Multi-rate Model of the Group of Separated Transmission Links of Various Capacities.- A Multicast Routing Algorithm Using Multiobjective Optimization.- A Transsignaling Strategy for QoS Support in Heterogeneous Networks.- Evaluation of Fixed Thresholds for Allocation and Management of Dedicated Channels Transmission Power in WCDMA Networks.- Next Generation Systems (I).- Efficient Alternatives to Bi-directional Tunnelling for Moving Networks.- Group Messaging in IP Multimedia Subsystem of UMTS.- The Effect of a Realistic Urban Scenario on the Performance of Algorithms for Handover and Call Management in Hierarchical Cellular Systems.- Providing Quality of Service for Clock Synchronization.- Next Generation Systems (II) and Traffic Management (I).- Application of Predictive Control Algorithm to Congestion Control in Differentiated Service Networks.- Design of a Manageable WLAN Access Point.- Performance Evaluation of Circuit Emulation Service in a Metropolitan Optical Ring Architecture.- Expedited Forwarding End to End Delay Variations.- Traffic Management (II).- Internet Quality of Service Measurement Tool for Both Users and Providers.- A XML Policy-Based Approach for RSVP.- SRBQ and RSVPRAgg: A Comparative Study.- TCP Based Layered Multicast Network Congestion Control.- A Novel Detection Methodology of Network Attack Symptoms at Aggregate Traffic Level on Highspeed Internet Backbone Links.- Wireless Access (I).- Precision Time Protocol Prototype on Wireless LAN.- Moving Telecom Outside Plant Systems Towards a Standard Interoperable Environment.- Analysis and Contrast Between STC and Spatial Diversity Techniques for OFDM WLAN with Channel Estimation.- Fair Time Sharing Protocol: A Solution for IEEE 802.11b Hot Spots.- Wireless LANs (II).- An Algorithm for Dynamic Priority Assignment in 802.11e WLAN MAC Protocols.- DHCP-Based Authentication for Mobile Users/Terminals in a Wireless Access Network.- Performance Analysis of Multi-pattern Frequency Hopping Wireless LANs.- A Delayed-ACK Scheme for MAC-Level Performance Enhancement of Wireless LANs.- Wireless LANs (III) and Network Planning and Optimization.- The VDSL Deployments and Their Associated Crosstalk with xDSL Systems.- Design of PON Using VQ-Based Fiber Optimization.- IPv6 Deployment Support Using an IPv6 Transitioning Architecture – The Site Transitioning Architecture (STA).- An Intelligent Network Simulation Platform Embedded with Multi-agents Systems for Next Generation Internet.- Internet (II).- Reduced-State SARSA with Channel Reassignment for Dynamic Channel Allocation in Cellular Mobile Networks.- Optimal Bus and Buffer Allocation for a Set of Leaky-Bucket-Controlled Streams.- Scalable End-to-End Multicast Tree Fault Isolation.- Internet Service Pricing Based on User and Service Profiles.- Design and Performance of Asymmetric Turbo Coded Hybrid-ARQ.