Maximizing Multicast Lifetime with Transmitter-Receiver Power Tradeoff is NP-Hard

Guofeng Deng,Sandeep K. S. Gupta,Georgios Varsamopoulos

IEEE Communications Letters（2008）

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摘要

The problem of maximizing multicast lifetime (MML) in wireless ad hoc networks is reexamined under a recently proposed transmitter-receiver power tradeoff (TRPT) model, for which the energy consumed by a node to reliably receive a bit is inversely proportional to the energy level at which the bit is transmitted. Under the TRPT model, MML was conjectured to be NP-hard. We herein prove the conjectur...

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关键词

Energy states,Decoding,Mobile ad hoc networks,Batteries,Tree graphs,Ad hoc networks,Energy consumption

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