Drahtlose Kommunikation
Infrastrukturlose Netze
Übersicht
Untersuchte Netzstruktur und Problemstellungen
Topologie-basierte Routingprotokolle
Geographische Routingprotokolle
Large Scale Wireless Networks
On board powered devices
Wireless communication
No network infrastructure
Large Scale Wireless Networks
Example: sensor networks
Large Scale Wireless Networks
Example: ad hoc networks
Large Scale Wireless Networks
Example: robotic networks
Large Scale Wireless Networks
Limited comm. range
Regulatory constraints
Implied network graph
Large Scale Wireless Networks
Data communication:
unicast, multicast, broadcast, anycast,
Large Scale Wireless Networks
Topology control:
neighbor elimination, backbone con- struction, virtual overlays, relocation,…
Localized and Non-Localized Protocol Design
Localized: achieve a network wide objective with local decisions only Request neighbors
?
Localized and Non-Localized Protocol Design
Localized: achieve a network wide objective with local decisions only Non-localized: Local change may require a network wide decision
Inform network