Preface

A Note from the COST253 Chariman

Acronyms

Figures

Tables

Contributors

1. Introduction

Evolution of Satellite Communications

EU Initiatives in Satellite Communications

Operating Frequency

Technical Considerations

Objectives and Activities of COST253

Outline of Contents

2. Appropriate Traffic Generators for the Simulation of Services Supported by Non-GEO Constellation

Source Traffic Parameters and Descriptors

Quality of Service Parameters

ATM Service Categories

Statistical Behaviour of Traffic Sources

Influences of Traffic Characteristics

Source Models

Geographic Traffic Models

3. Transmission Schemes

Modulation Techniques

Coding Techniques

Synchronisation

Catching Co-Channel Interference

Chapter Summary and Perspectives

4. Networking

LAN Interconnection

Resource Control

Congestion Control

Multicast

Reliability

Security

Security Infrastructure

Conclusions

5. Evaluation Tools

An Overview of Network Simulators

LeoSim: A Simulator for Routing

GaliLEO: A Framework for Joint Expertise

CONSIM(TM) : A Complementary Tool for Reliability

AristoteLEO

SEESAWS: An Ambitious Concept

6. TCP/IP Over Satellite

Transmission Control Protocol

The Effects of Satellite Networks on TCP Performance

Simulation Analysis

Fixed -
Mobile Convergence

Further Research and Conclusions

Appendices

Index