Validation of Communications Systems with Sdl: The Art of Sdl Simulation and Reachability Analysis

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Validation of Communications Systems with SDL provides a clear practical guide to validating, by simulation, a telecom system modelled in SDL. SDL, the Specification and Description Language standardised by the International Telecommunication Union (ITU-T), is used to specify and develop complex systems such as GSM, GPRS, UMTS, IEEE 802.11 or Hiperlan. Since the downturn in the telecom industry, validating a system before its implementation has become mandatory to reduce costs.This volume guides you step by step through the validation of a simplified protocol layer, from interactive simulation to proof of properties using reachability analysis combined with observers. Every step is explained, using the two main SDL tools commercially available: ObjectGeode™ and Tau SDL™ Suite, both from Telelogic.Contents:Short tutorialon SDLPresentation of the protocol layer case studyInteractive simulation, MSC generationScripting, automatic non-regressionAuto matic validation against MSC, HMSC, etc.Random simulationExhaustive and bit-state simulationErrors detected and not detected by simulationOther simulator featuresThis book offers you the opportunity to:Learn expert validation techniques and tipsMaster advanced simulation features of Telelogic ObjectGeode™ and Tau SDL Suite™Practice 156 hands-on exercises with solutions. The SDL models and scripts used in the exercises can be downloaded from the Web.

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Laurent Doldi worked for several years in safety-critical software development at Airbus. He then joined Verilog in 1987 where he used SDL for many customer applications. Since 1997 Doldi has been a private consultant, using Telelogic's ObjectGeode™ and Tau SDL Suite™ for design, simulation and code generation worldwide on UMTS, GPRS, rocket mission-critical software, PC firmware, and several satellite communications systems. Laurent Doldi is also author of SDL Illustrated - Visually design executable models - TMSO - ISBN 2-9516600-0-6.