Using Model Driven Development to Easily Manage Variations in Software Defined Radio (SDR) Product Family Design
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Using Model Driven Development to Easily Manage Variations in Software Defined Radio (SDR) Product Family Design

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Radio architects and developers very often need to produce variants of their Software Defined Radio (SDR) Software Communications Architecture (SCA) applications and platforms to support different ...

Radio architects and developers very often need to produce variants of their Software Defined Radio (SDR) Software Communications Architecture (SCA) applications and platforms to support different configurations of their radio set. Traditionally this has been a time consuming and costly process as they needed to create and maintain multiple models for every possible product variant.

This presentation will introduce and demonstrate an innovative new product, Spectra CX Product Line Management, which has been designed to support the modeling needs of entire radio families using just a single model. Presentation attendees will learn how to use model driven development techniques to reduce the time and costs of managing variations in SDR/SCA product family design.

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Using Model Driven Development to Easily Manage Variations in Software Defined Radio (SDR) Product Family Design Using Model Driven Development to Easily Manage Variations in Software Defined Radio (SDR) Product Family Design Presentation Transcript

  • Using Model Driven Developmentto Easily Manage Variations inSDR Product Family Design November 29, 2012
  • Introduction 2 Radio architects and developers very often need to produce variants of their SDR/SCA applications and platforms to support different configurations of their radio set. This can be a time consuming and costly process as they need to create and maintain multiple models for every possible product variant. This webcast will introduce and demonstrate an innovative new product, Spectra CX Product Line Management, which has been designed to support the modeling needs of entire radio families using just a single model. PrismTech 2012
  • TOPICS 3 SDR/SCA product variability problem Current solutions Modeling variability and product lines Spectra CX Product Line Management Concepts – Variation Points, … Workflow Demonstration Benefits PrismTech 2012
  • Product Variability Problem 4 Radio manufacturers need to produce variants of their SCA applications and platforms to support different configurations of their radio set Development teams need to manage debug, test, production, etc. versions of their radios Developers need to build “lab” radios to test their components under development SCA 4.0 profiles? PrismTech 2012
  • Example: DTP4700 5 DTP4700H 400 MHz to 4000 MHz frequency range 20 KHz – 40 MHz signal bandwidth DTP4700L 30 MHz to 1600 MHz frequency range 40 KHz – 40 MHz signal bandwidthSet the value of three (3) Select anSCA Properties Implementation of one (1) component PrismTech 2012
  • Current Solutions 6 Copy and Edit Compiler switches Pre/post processing Custom tools Repositories with re-use capabilities Model-driven development capabilities of Spectra CX Managing/sharing model elements across multiple projects/teams Not ideal for managing product lines…variations on a base product PrismTech 2012
  • Modeling Variability 7 Modeling variability using Variation Points was introduced by Jacobson in 1997 A Variation Point identifies one or more locations at which variation may occur Handling variability with extensions to UML-based design methods and processes >> UML 2.0 [Clauss 2001] [Gomaa 2004] Variation Point Model (VPM) -- an approach to modeling variability, based on Jacobson’s original concept [Webber 2004] Visualizes the variation points Gives the “reuser” an understanding of how to build a variant from a set of variation points PrismTech 2012
  • Modeling Product Lines (2000+) 8Product line feature andarchitecture modeling withgeneration of productarchitectures and artefacts>> Model-Driven Development Modeling and Using Product Line Variability in Automotive Systems, Theil and Hein, IEEE Software July/August 2002 PrismTech 2012
  • Spectra SDR/SCA Solution 9 Leverage current Spectra CX capabilities >> MDD Domain-specific application of the Variation Point and Variation Point Model concepts Generic UML2 based Variation Points applied to SDR/SCA-specific model elements SDR/SCA-specific validation and generation Provide model-based capability for managing a product line architecture Meet the need for building product variants (configurations) Complement the SCA’s support for “dynamic” variants Generate Spectra CX models which can be used to generate, build, deploy and test product variants PrismTech 2012
  • Spectra CX Product Line Management 10 Plug-in to Spectra CX 3.4 Implemented as a UML Profile Provides architects with ability to specify variability (variation points) for any model Inclusion/Exclusion Parameterization of values or settings Variation point models allow users to quickly and easily engineer product configurations Generates standard Spectra CX models for a given product configuration PrismTech 2012
  • New Concepts 11 Product Line Model Spectra CX modeling used to produce a “base” model for the product line architecture Specifies all the features and variation points in the product line Variation Point Identifies one or more model elements where a variation may occur Variation Point Model Generated from a product line model – a list of all the variation points in the base model Simplifies the workflow for specifying a product variant Product Configuration Derived from the Variation Point Model – a list of all the configuration points in the base model Configuration Point Editable copy of a Variation Point in a Product Configuration Used to specify generation and values or settings for product line model elements Product (Configuration) Model Generated from the Product Line Model + Product Configuration (Points) Correct-by-construction model artefact supported by Spectra CX MDD capabilities PrismTech 2012
  • Variation Points 12 New stereotype used to identify those features which are variation points in the product Properties: Name (user defined) Id (generated, unique) Constrained Elements (list) For each element, the Attributes (list), Name, and Qualified Name PrismTech 2012
  • …can be created on 13 Applications and nodes Application, node and platform parts Properties Implementations Component interface ports Components and component interfaces PrismTech 2012
  • Types of Variation Points 14 Variation Point -- controls generation of the element (true | false) … With Value -- applied to component properties where values will be set …With Settings – applied to element attributes where values or references will be set PrismTech 2012
  • Configuration Points 15 Similar to Variation Points, except modifiable Properties Generate -- the constrained elements of the Variation Point (set to true by default) Name (set to the name of the Variation Point) Variation Point (set to the Variation Point) …WithValue, Value applied to all properties constrained by the Variation Point …WithSettings, Settable Attributes PrismTech 2012
  • …Currently Settable Attributes 16 Model Element Settable Attributes Component PRFFileName, SPDFileName Component implementation PRFFileName Component interface PRFFileName, SCDFileName Node DCDFileName Parts on node Deployondevice Application SADFileName Implementation File on its SCABinary PrismTech 2012
  • Roles and Responsibilities 17Product Line Architect Product Engineer Responsible for the product Creates product line model configurations as needed Manages variability – Specifies product models the variation points configurations using the configuration points Ensures a variation point is Generates the product modeled such that a model product engineer has Generates the XML enough knowledge to descriptors, … specify a variant Builds the product variant When a new variant is needed, they add or modify VPs PrismTech 2012
  • Workflow 18 Product Line Model Add Architects Variation Points Generate Variation Point Model Specify Product Configuration Generate Engineers Product Model Generate Code, Tests, Docs, … XML PrismTech 2012
  • Demonstration 19 Modeling a product line Modeling variation points Generating a variation point model Creating product configurations Specifying configuration points for 1. X86 Radio 2. ARM9 Platform 3. X86 Radio with Debug implementation Generating product configuration models Using product configuration models PrismTech 2012
  • Benefits 20 Radio developers no longer need to create and maintain a model for every possible product variant, only the product line model, variation points and product configurations Architects have the flexibility of tailoring the core assets to the needs of the product line Modeling the variation points lets the product line architect define the range and scope of the product variants Variation Points communicate to the user the knowledge needed to specify a variant Variation Point Models simplify the creation and management of product configurations Users can engineer product configurations to meet their specific needs Generated product models are complete, correct-by-construction, Spectra CX models which can be used to generate SCA compliant platforms and applications PrismTech 2012
  • Summary 21 Spectra CX Product Line Management supports model-driven development of SDR/SCA product lines Variation Points provide the flexibility for specifying/managing product line architectures Leverages Spectra CX modeling features Specific to the needs of SDR/SCA developers Optimized workflows for creating/maintaining product variants Synchronization of the Product Line Model, Product Configurations, and Product Models Extensible to meet customer needs e.g. default values for Variation Points Generates Spectra CX model and XML descriptors for each variant PrismTech 2012
  • For More Information… 22 E-mail: info@prismtech.com Website: www.prismtech.com/spectra Contact your local PrismTech account manager PrismTech 2012
  • 23Thank You PrismTech 2012