Overview of WSN: Introduction, Sensor network applications – Habitat Monitoring –Tracking chemical plumes – Smart transportation. Constraints and Challenges, Emerging technologies for wireless sensor networks – Advantages of sensor networks.

Architectures: Hardware components – sensor node overview – controller- memory – communication device – sensors and actuators – power supply of sensor nodes – Network architecture – Sensor network scenarios – types of sources and sinks – single hop Vsmulti hop

Protocols: MAC Protocols for Wireless Sensor Networks – Low duty cycle protocol: SMAC – Contention Based Protocol: CSMA, Scheduling Based Protocol – Routing Protocol: AODV, DSDV, DSR and Reactive routing: Flooding, Hierarchical routing

Network Security Requirements, Issues and Challenges in Security Provisioning, Network Security Attacks, Layer wise attacks in wireless sensor networks, black hole attack, flooding attack. Key Distribution and Management, Secure Routing – SPINS, reliability requirements in sensor networks

Sensor Node Hardware – Berkeley Motes, Programming Challenges, Node-level software platforms – TinyOS, nesC, CONTIKIOS, Node-level Simulators – NS2 and its extension to sensor networks, COOJA, TOSSIM, Programming beyond individual nodes – State centric programming