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Energy consumption and delay in end-to-end transmission, two significant cost metrics for guiding the design of routing protocols, are often relevant and even conflicting with each other. Therefore, it naturally becomes important to identify the tradeoff between them. In this paper, we investigate the joint design of routing and power control over unreliable communication links in multi-hop wireless...
In this paper, we investigate the quality of information (QoI) maximization problem by jointly optimizing the data rate and transmit power in lifetime-constrained wireless sensor networks. The QoI at the sink node is characterized by the virtue of the network utility, which quantifies the aggregated value of the data gathered from different sensor nodes. Then, a network utility maximization (NUM)...
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