18/01/16 comnets, rwth aachen university, faculty 6 openwns open source wireless network simulator a...
DESCRIPTION
3 Motivation Performance evaluation by means of simulation is an integral part of any –standardization, –system development or –research activity. Typically such activities involve multiple parties, which pursue different interests. Results of own evaluations need to be defended and evaluation results of other parties need to be reviewed. Common open source system level simulation platform promotes Reduction of Cost and Effort Quality Increase Process Speed-up Integration of Results for End-To-End Evaluation in Collaborative ProjectsTRANSCRIPT
3. Mai 2023
ComNets, RWTH Aachen University, Faculty 6
openopenWNSWNSOpenOpen Source Source WWireless ireless NNetwork etwork SSimulatorimulator
A Simulation Platform for Wireless SystemsA Simulation Platform for Wireless Systems
Chair of Communication NetworksRWTH Aachen University, Faculty 6
B. Walke, M. Schinnenburg, D. Bültmann
23. Mai 2023
ComNets, RWTH Aachen University, Faculty 6
OutlineOutline
• Motivation• What it is and what it’s not• Objectives• Simulation Platform• Funding Scheme & Timeline• Support Actions• Community Buildup & Early Beta Testers
openopenWNSWNSOpenOpen Source Source WWireless ireless NNetwork etwork SSimulatorimulator
A Simulation Platform for Wireless SystemsA Simulation Platform for Wireless Systems
3
Motivation
• Performance evaluation by means of simulation is an integral part of any – standardization, – system development or – research activity.
• Typically such activities involve multiple parties, which pursue different interests.
• Results of own evaluations need to be defended and evaluation results of other parties need to be reviewed.
Common open source system level simulation platform promotes• Reduction of Cost and Effort• Quality Increase• Process Speed-up• Integration of Results for End-To-End Evaluation in Collaborative
Projects
4
What it is and what it’s not
• Dynamic Event Driven System Level Simulation Platform– Investigations of dynamic
protocol behavior– Cross-layer effects – Online calculation of intra- and
inter-cell interference• Full fledged protocol stacks
– Released during project• IEEE 802.16 e,j• 3GPP UMTS (Release 7)
• Typical Results– Protocol level results
• E2E Packet Delay, Throughput• Buffer Fill Levels• Retransmissions• BER, PER, FER
– Physical layer results• SINR distributions (over area,
per terminal, per cell)
• Radio planning tool with ray tracing capabilities covering large scenarios of several 100 km²
• Tool to design and run protocol stacks on an FPGA
• Monte-Carlo Simulator
But since it is open source, you never know …
What openopenWNSWNS is What openopenWNSWNS is NOT
5
Objectives
• To realize an open source event-driven system level simulator for the performance evaluation of wireless communication networks
• To establish a simulation platform which allows for the detailed simulation of protocol stacks (close to emulation) and at the same time allows for the accurate calculation of the interference situation (intra- and inter-cell interference) based on advanced channel models.
• To identify and implement advanced channel models (e.g., for MIMO, SDMA or OFDMA).
• To establish a protocol framework which allows for rapid prototyping by offering a set of strictly tested protocol components (e.g., ARQs, flow handling, association management, handover procedures) and extension points within these for the customization.
• To implement two wireless communication systems: UMTS Release 7 (focus on HSPA) and IEEE 802.16 e/j (WiMAX).
• To establish a process to integrate community contributions into official releases of the simulation platform.
• To have regular releases of the simulation platform ensuring fast response to change requests from the community.
• To build a simulation platform which enables clustering EU projects.• To identify or define an appropriate license model.
6
openopenWNSWNS Simulation Platform
May 3, 2023
ComNets, RWTH Aachen University, Faculty 6
Interference Calculation Engine
IEEE 802.21 Media Independent
HandoverIPv4
UDP
Applications
IEEE 802.16e,j IEEE 802.3
OFDMA-Transceiver Model
Stochastic Channel Model
CDMA-TransceiverModel
3GPP UMTSRel.7 + HSPA
TL-NL
TCP
AL-TL
NL-DLL
DLL-OFDMADLL-UMTS DLL-Stochastic
Stochastic TrafficModels
Environment + Scenario
User Mobility
StatisticalEvaluation
ISO/
OSI
Laye
r
1
2
3
4
7
Modular Protocol Stack Scenarios and Evaluation
7
openopenWNSWNS Funding Scheme Funding Scheme
• openWNS Project as part of 7th FP (EU)– Small or medium-scale focused research actions (STREP)– Project start: by the end of 2007– Project end: by the end of 2009
• Target of EC Contribution : 2.5 Mio €• Target Efforts : 360 PM• Project Duration : 2 Years• Current Consortium:
– 2 SMEs– 2 Universities– 4 Manufacturers– 1 Operator (Strategic Support)
3. Mai 2023
ComNets, RWTH Aachen University, Faculty 6
8
Project Management
Simulation Platform
Channel Models
Protocol Framework
UMTS
WiMAX
Quality Assurance
Release Management & Community Support
System Group
Platform Group
Core
Chan
nel
Tool
box
Releases
QA
openopenWNSWNS Project Structure
WP1
WP2
WP3
WP4
WP5
WP6
WP7
9
Project TimescheduleProject Timeschedule
3. Mai 2023
ComNets, RWTH Aachen University, Faculty 6
New fuctionalitydeveloped
within the project
Ported from existingsimulator
2 4 6 8 10 12 14 16 18 20 22 24
openWNS Functionality
Project Month
Releases
core ignition takeoff climb orbit
Functionality ofexisting simulator
openopenWNSWNS Core: Basic Functionality in FrameworkFirst Protocol Toolbox Elements
Basic System Module Functionality
openopenWNSWNS Ignition: System Tests
Extended Features in System Modules
openopenWNSWNS Takeoff: First Public Release of openWNS
Automatic System TestsTrouble Ticket System
IEEE 802.16e
openopenWNSWNS Climb: Graphical User Interface
UMTS Release 5Special Features in System Modules (HSDPA, HARQ)
IEEE 802.21 Media Independent Handover
openopenWNSWNS Orbit:Final Release of openWNS
UMTS Release 6/7IEEE 802.16j
10
Support Actions Beyond Support Actions Beyond openopenWNSWNS
• External Software Contributions– Potential contribution from IMT-Advanced
• WINNER III Project• IEEE 802.16m• IEEE 802.11n
Prototypical 4G Implementation based on public results
• Strategic Support– Advisory Board to be established– We invite all of you to give Strategic Support
3. Mai 2023
ComNets, RWTH Aachen University, Faculty 6
11
Community Buildup & Early Beta TestersCommunity Buildup & Early Beta Testers
3. Mai 2023
ComNets, RWTH Aachen University, Faculty 6
• Community Buildup– Web portal
• Excellent Documentation• Comprehensive Tutorials• Integrated Trouble Ticket System
– Regular releases– Work shops
• Early Beta Testers– All of the above plus access to internal releases– Must be invited by the consortium– May not redistributed (unreleased) source code
(special license needed)
12
WNS DemonstrationWNS Demonstration
3. Mai 2023
ComNets, RWTH Aachen University, Faculty 6
133. Mai 2023
ComNets, RWTH Aachen University, Faculty 6
ContactContact
Prof. Dr.-Ing. B. WalkeDipl.-Ing. M. Schinnenburg
Dipl.-Ing. D. Bültmann{walke|msg|dbn}@comnets.rwth-aachen.de
Chair of Communication NetworksRWTH Aachen University
Kopernikusstrasse 1652074 Aachen, Germany