Application Examples of Wireless Sensor Networks – Challenges for WSNs – WSNs versus Mobile Ad Hoc Networks and Fieldbuses – WSN Architectures (Single Node Architecture – Network Architecture) – Communication Protocols for WSN (Physical Layer – MAC – Link Layer – Naming and Addressing – Time Synchronization – Location and Positioning – Topology Control – Routing – Transport Layer and Quality of Service) – Advanced Issues (In-network Processing – Security – Application Specific Support)