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

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DSDV (Destination Sequenced Distance Vector) Early work on demand version: AODV Expansion of distance vector routing Sequence numbers for all routing updates assures in-order execution of all updates avoids loops and inconsistencies Decrease of update frequency store time between first and best announcement of a path inhibit update if it seems to be unstable (based on the stored time values) Mobile Communications Ad-hoc Networks & Wireless Sensor Networks 13
Dynamic source routing I Split routing into discovering a path and maintaining a path Discover a path only if a path for sending packets to a certain destination is needed and no path is currently available Maintaining a path only while the path is in use one has to make sure that it can be used continuously No periodic updates needed! Mobile Communications Ad-hoc Networks & Wireless Sensor Networks 14
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: Abbreviations MANET routing protoco
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 and 34: Sensor Networks: Challenges and Res
Page 35 and 36: Energy-aware routing Only sensors w
Page 37: Today’s WSNs First generation of

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