Rate control with lifetime-utility optimization in Ad hoc networks

Rate control mechanism is important to the network performance improvement. The application performance and lifetime are two fundamental objectives needed to be optimized in Ad hoc network. These two objectives are usually correlated to the data rate provided by the application. A rate control mechanism which considers the maximum problem of network lifetime and application performance is proposed in this paper. We study the tradeoff of two objectives based on the Network Utility Maximization (NUM) framework, give an optimization model and solve this model problem with Lagrange dual decomposition theory. Theoretical analysis and simulation results both show the feasibility of our mechanism.

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