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Throughput and lifetime are both crucial design objectives for multi-hop wireless networks. In general, it is not sufficient to optimize either of them separately. As these two objectives are often conflicting with each other, the authors can only hope to identify the tradeoffs between them. This entails a harder problem than dealing with either solely. In this paper, they propose a general framework for investigating the tradeoff between throughput and lifetime. They employ a utility-based tradeoff objective that allows them to identify tradeoffs that are of physical interest.
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