Institut fürComputertechnik

ICT

Institute ofComputer Technology

PAWiS – Simulation and Models

Johann Glaser

Institut für Computertechnik Johann Glaser 2

PAWiS Framework - Overview

Top Down development PAWiS Framework Concepts

Workflow – Design Refinement User's View

Intra Node Modules CPU Power Meter

Interface Specification, Module Library Extra Node

Environment Air

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PAWiS Framework - Concepts

Model Network: Outside of Nodes Modules: Inside of Nodes

Virtual Prototype Power Consumption Timing Behavior Function Failures

Module Tasks SW or HW Functional Interfaces Mediator HW ↔ Concept

PHY z

Arch. i

Arc

h. j

MAC a

MAC bP

HY

x

PH

Y y

Evaluation

Simulation

Integration

Composition

Deployment

Ref

inem

ent

Institut für Computertechnik Johann Glaser 4

PAWiS Framework – User's View

C++ / System

OMNeT++

PAWiS Framework

Module Library

Model

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PAWiS Framework – Modules

Node consists of Modules Modules consist of Tasks Functional Interfaces Remote Invocation Predicate Functions

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PAWiS Framework – Simple Node

Application

PHY

MAC

Routing

AirPowerSupply

Management

PowerMeter

CPUControl

Power

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Software Tasks, CPU

Software tasks Two-way simulation

Functionality Timing, Power Consumption

Norm CPU Replaceability Scale Timing and Consumption Processing Unit Proportion

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Scripting

LUA Scripts Setup Phase During Execution Interact with Nodes

Setup / Delete Enable / Disable Move Implement Functional Interfaces

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Power Meter

Hierarchical power supply Sources

Efficiency Output Resistance

Consumers HW Tasks CPU

Values provided by data sheets, measurement

Values collected in log file Post Processing: Analysis

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Module Library

Standardized modules and interfaces(Interface Specification)

Protocol stack Cross-Layer Planes Node

Management Module Library

Node Management

Se

curi

ty M

an

age

men

t

Cro

ss L

aye

r M

ana

ge

men

t

En

erg

y M

ana

gem

en

t

Physical

Network

Transport

Application

MAC

Network Diagnosis

Ke

y M

an

ag

em

en

tS

erv

ice

s

Sh

are

d d

ata

ba

seS

erv

ice

s

Sch

ed

ulin

gA

lgo

rith

ms

Network Management

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Environment - Scenario

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RF Interface

Global “Air” object Acts like a Switch Considers 3D

arrangement, Obstacles Calculates attenuation Every node connects to it “RF Messages” are

distributed Use BB equivalent

instead of real RF

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Future Path

Air Interferers Obstacles

Interactivity Human Interaction User Interface

SystemC Integration

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Summary

Top Down development PAWiS Framework Concepts

Workflow – Design Refinement User's View

Intra Node Modules CPU Power Meter

Interface Specification, Module Library Extra Node

Environment Air