Mobile Communications Ad-Hoc Networks & Wireless Sensor ...

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Routing in WSNs is different No IP addressing, but simple, locally valid IDs Example: directed diffusion Interest Messages • Interest in sensor data: Attribute/Value pair • Gradient: remember direction of interested node Data Messages • Send back data using gradients • Hop count guarantees shortest path Sink Mobile Communications Ad-hoc Networks & Wireless Sensor Networks 36
Energy-aware routing Only sensors with sufficient energy forward data for other nodes Example: Routing via nodes with enough solar power is considered “for free” Mobile Communications Ad-hoc Networks & Wireless Sensor Networks 37
Page 1 and 2: Mobile Communications Ad-Hoc Networ
Page 3 and 4: Solution: Wireless & Mobile ad-hoc
Page 5 and 6: MANET Characteristics II Wireless m
Page 7 and 8: Problems of traditional routing alg
Page 9 and 10: Overview MANET routing protocols Fl
Page 11 and 12: Abbreviations MANET routing protoco
Page 13 and 14: Dynamic source routing I Split rout
Page 15 and 16: DSR: Route Discovery Sending from C
Page 17 and 18: DSR: Route Discovery P R [O,C/B,471
Page 19 and 20: DSR: Route Discovery P R C G Q A B
Page 21 and 22: DSR: Route Discovery P R C G Q A B
Page 23 and 24: Dynamic Source Routing III Maintain
Page 25 and 26: Examples for interference based rou
Page 27 and 28: Further difficulties and research a
Page 29 and 30: Properties of wireless sensor netwo
Page 31 and 32: Example: ScatterWeb Sensor Nodes Em
Page 33: Sensor Networks: Challenges and Res
Page 37: Today’s WSNs First generation of

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