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Position-Aware Routing Protocols in Mobile Ad Hoc Networks

Explore the concept of position-aware routing in mobile ad hoc networks, comparing it to position-unaware routing. Discover various methods for nodes to determine destination positions and key algorithms like DREAM and Quorum-Based Location Service. Learn about GLS and Homezone in this comprehensive lecture. Read insightful study by Martin Mauve on position-based routing in ad hoc networks.

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Position-Aware Routing Protocols in Mobile Ad Hoc Networks

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  1. Mobile Ad hoc Networks COE 549Routing Protocols III Tarek Sheltami KFUPM CCSE COE http://faculty.kfupm.edu.sa/coe/tarek/coe549.htm

  2. Outline • Self-study lecture

  3. Position Unaware Routing • All the routing protocols that we have discussed so far can be called position unaware routing. • Each node has an address and each node keeps track of the neighbours´ addresses. • However, when a message has to be sent from a source to a destination, the source node is not aware of the current position of the destination.

  4. Position Aware Routing • In contrast, in position aware routing, a source node knows the position or location of the destination node. • The position information can be collected in different ways : • From the direction and strength of the received wireless signals • Through interfacing with a low-power Global Positioning System (GPS) and a satellite updating the positions of the nodes by sending signals to this GPS device.

  5. Location Services • Distance Routing Effect Algorithm for Mobility (DREAM) • Quorum-Based Location Service • Grid Location Service (GLS) • Homezone Read this paper: Martin Mauve, et al, “A Survey on position based routing in ad-hoc networks “, IEEE Network Magazine 15 (6), pp. 30-39, November 2001.

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