Energy efficient routing in wireless networks

CMAX and max-min zPmin are two packet forwarding techniques designed to save energy wireless ad-hoc networks. Their aim is to forward packets in such a way that the network’s energy is conserved better than if they were forwarded along the path with the least count of hops (i e using the traditional forwarding technique).

This master thesis compares the two energy efficient forwarding techniques against each other and, against a least-hop scheme. The comparison is made by simulation in static networks using the Network Simulator (ns-2). Hence this thesis also shows that simulation of more abstract “routing protocols”, such as these bare packet forwarding techniques, can be performed in ns-2. CMAX and max-min zPmin are thus implemented as routing modules of ns-2, along with a least-hop technique.

The work here is only concerned about the packet forwarding procedure itself, and because of this the implementations are somewhat centralized, or omnipotent: Each node is allowed to know the exact position of every other node in the network at all times.

Author: Jantvik, Tamas

Source: Lulea University of Technology

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