Anwendung genetischer Algorithmen bei der Planung von Zugangsnetzen

1
Vehicular Ad-Hoc Communication The Virtual City
PortalChristian Schwingenschlögl, Thomas
Reicher
2
Outline

• Mobile Car Communications Today
• Trends Challenges
• Ad-Hoc Networking
• Heterogeneous Network Integration
• The Virtual City Portal
• Idea Concept
• Demonstration

3
Mobile Car Communications Current Situation
Voice CommunicationWAP(Cellular Networks - GSM)
Is that sufficient ?
RadioTraffic Message Channel(Broadcast Networks)
4
Short Range Radio
HL/2 54Mbit/s 802.11a 54Mbit/s
UMTS 2Mbit/s
5
Mobile Internet - Today
6
Electronics in the Car Development Trends

• Production Cost Share 20-35
• Growth 10-15 p.a.

?
Engine Management
Infotainment
Security Systems
Bus Systems
Driver Assistance
Comfort Electronics
7
Communication Infrastructure Network
Heterogeneity
DVB-S
UMTS
GPRS
Bluetooth
GSM
WirelessLAN
Wireless ATM
DVB-T
Bandwidth ? System Load ? Heterogeneity ?
any bus
LIN-Bus
PT-CAN
Si-Bus
K-CAN
MOST
Communication
Brakes
Gearing
Safety
Interiors




Audio Video

ClimateControl
ABS
DSC
Airbag
Navigation
Multimedia
8
Location Based Tourist Guide
fastest route! traffic jam? parking
lot?opening hours?

• Location Awareness
• GPS receiver
• up-to-date (!) map- ...

• Context Awareness
• personal interests
• daytime/season- ...

9
Direct Vehicle - Vehicle Communication
Informing about traffic events (traffic jams,
accidents, rain, snowfall, ice, construction
site,road work,detour,steep incline etc..)
Drawing attention to specialities and
pecularities (Parking lots, viewpoints)
Building Communities to(Chat, Play Games, etc.)
10
Vehicle - Infrastructure Communication

• Download Audio
• Download Video
• Download Route Planning

• Choose Washing Program
• Pay Online

• Display Menu
• Order while approaching
• Pay Online

• Shop Offers while Fueling
• Product Choice Online
• Delivery to the car

• Choose Parking Time
• Pay Parking Fee

• Departures / Arrivals / Delays
• Terminal / Parking / Infos

11
Mobile Testbed Setup and Measurements
GPS Position (serial port)
GPS Position
WaveLANCard
Vehicle-BusVelocity(parallel port)
WaveLANCard (PCMCIA)
Vehicle-BusVelocity
Destination Danger Warning MP3
DVB
12
Ad-Hoc Networks Background, Principles,
Possibilities

• No infrastructure necessary
• Direct point-to-point communication
• Multihop-communication
• Very dynamic topology
• New routing strategies
• Strategies for power control
• Overall performance?
• Scalability?
• Quality of Service?
• Software/Middleware Architectures?
• Interworking with the Internet ?
• Security issues ?

13
Ad Hoc Simulation Tool
14
Performance Studies
15
Geocast Applications
S
D
D
F
F
16
Forwarding Zone - Difficulties
GPS Digital Map
17
The Virtual City Portal
18
VCP Setup
19
VCP Screenshot
20
Mobile Testbed Setup and Measurements
Local Information Broadcast (DVB)
Cellular ConnectionGSM, GPRS, UMTS
Destination Danger Warning Routing Multimedia,
MP3, (Ad-Hoc Wireless LAN)
Internet Access Point Local Services (Ad-Hoc
Wireless LAN)
21
Mobile Testbed Setup and Measurements
Virtual City Portal Server
Local Information Broadcast (DVB)
Destination Danger Warning Routing Multimedia,
MP3, (Ad-Hoc Wireless LAN)
Internet Access Point Local Services (Ad-Hoc
Wireless LAN)
22
Outlook

• Ongoing Work
• Virtual City Portal
• Finalize Implementation
• Tests in Lab- and Mobile Testbed
• Scalability and Performance Studies
• Analysis Simulation
• Secure Ad-Hoc Multihop Communication
• Thank you for your attention!