This book constitutes the refereed proceedings of the 6th International Conference on Next Generation Teletraffic and Wired/Wireless Advanced Networking, NEW2AN 2006, held in St. Petersburg, Russia in May/June 2006. The book includes 49 revised full papers presented together with 2 keynote talks. The papers are organized in topical sections on teletraffic, traffic characterization and modeling, 3G/UMTS, sensor networks, WLAN, QoS, MANETs, lower layer techniques, PAN technologies, and TCP.

Inhalt
Keynote Talks.- Towards Distributed Communications Systems: Relay-Based Wireless Networks.- Grand Challenges for Wireless Sensor Networks.- Teletraffic I.- Dimensioning of Multiservice Links Taking Account of Soft Blocking.- On the Packet Loss Process at a Network Node.- Transient Analysis of a Queuing System with Matrix-Geometric Methods.- Traffic Characterization and Modeling I.- HEAF: A Novel Estimator for Long-Range Dependent Self-similar Network Traffic.- On Modeling Video Traffic from Multiplexed MPEG-4 Videoconference Streams.- A New MAC Protocol Based on Multimedia Traffic Prediction in Satellite Systems.- 3G/UMTS I.- Measurement-Based Optimization of a 3G Core Network: A Case Study.- A Middleware Approach for Reducing the Network Cost of Location Traffic in Cellular Networks.- Location Conveyance in the IP Multimedia Subsystem.- Sensor Networks I.- A Random Backoff Algorithm for Wireless Sensor Networks.- Prolonging the Lifetime of Wireless Sensor Network Via Multihop Clustering.- WLAN.- A BEB-Based Admission Control for VoIP Calls in WLAN with Coexisting Elastic TCP Flows.- Energy Efficient Sleep Interval Decision Method Considering Delay Constraint for VoIP Traffic.- Enhanced Fast Handovers Using a Multihomed Mobile IPv6 Node.- The Structure of the Reactive Performance Control System for Wireless Channels.- Teletraffic II.- Erlang Capacity of a CDMA Link with Transmission Rate Control.- Dynamic Time-Threshold Based Scheme for Voice Calls in Cellular Networks.- Queue Size in a BMAP Queue with Finite Buffer.- Traffic Characterization and Modeling II.- A Scaling Analysis of UMTS Traffic.- Burst Assembly with Real IPv4 Data Performance Assessement of Three Assembly Algorithms.- Multiservice IP Network QoS Parameters Estimation in Presence of Self-similarTraffic.- QoS I.- Achieving Relative Service Differentiation for TCP Traffic in Satellite IP Networks Using Congestion Pricing.- Signalling Concepts in Heterogeneous IP Multi-domains Networks.- Operator's QoS Policy in WiBro Implementation.- Sensor Networks II.- An Energy Efficient Tracking Method in Wireless Sensor Networks.- On Incoming Call Connection Service in a Ubiquitous Consumer Wireless World.- MANETs.- Evaluating the Effect of Ad Hoc Routing on TCP Performance in IEEE 802.11 Based MANETs.- Multi-path Routing Protocols in Wireless Mobile Ad Hoc Networks: A Quantitative Comparison.- Effect of Realistic Physical Layer on Energy Efficient Broadcast Protocols for Wireless Ad Hoc Networks.- Localized Broadcast Oriented Protocols with Mobility Prediction for Mobile Ad Hoc Networks.- Sensor Networks III.- Delay Sensitive and Energy Efficient Distributed Slot Assignment Algorithm for Sensor Networks Under Convergecast Data Traffic.- Real-Time Coordination and Routing in Wireless Sensor and Actor Networks.- Reliable Data Delivery in Wireless Sensor Networks: An Energy-Efficient, Cluster-Based Approach.- 3G/UMTS II.- Experimental Analysis and Characterization of Packet Delay in UMTS Networks.- End-to-End QoS Signaling for Future Multimedia Services in the NGN.- Optimization of Charging Control in 3G Mobile Networks.- Lower Layer Techniques I.- Asymptotic Performance Analysis of a TCM System over Fading Multiple-Access Channel.- A MIMO Architecture for IEEE 802.16d (WiMAX) Heterogeneous Wireless Access Using Optical Wireless Technology.- Cooperative Transmission Through Incremental Redundancy.- Lower Layer Techniques II.- Comparison of Effective SINR Mapping with Traditional AVI Approach for Modeling Packet Error Rate in Multistate Channel.- Privacy Homomorphism forDelegation of the Computations.- Enhanced MIMO Transmission Scheme for MB-OFDM System with Spatial Mode Selection.- PAN Technologies.- Improving Energy Efficiency and Responsiveness in Bluetooth Networks: A Performance Assessment.- Adaptive Backoff Exponent Algorithm for Zigbee (IEEE 802.15.4).- TCP.- Analysis of TCP-AQM Interaction Via Periodic Optimization and Linear Programming: The Case of Sigmoidal Utility Function.- TCP Versus TFRC over Wired and Wireless Internet Scenarios: An Experimental Evaluation.- QoS II.- Dynamic Configuration of MAC QoS Mechanisms in 802.11 Access Networks.- SMPCS: Sub-optimal Model Predictive Control Scheduler.- Analysis and Simulation of the Signaling Protocols for the DiffServ Framework.