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In this paper, we deal with a cross-layer optimization problem in Ad Hoc networks. Based on network utility maximization framework, we formulate the joint congestion and power control problem providing SINR guarantee and energy saving. We adopt dual decomposition technique to deduce two maximization sub problem, and then design the optimal distributed congestion control algorithm at the transport...
Ad Hoc networks are characterized as fast time-varying. Thus, fast distributed algorithm to implement self-management is indispensable, especially for QoS support. In this paper, we propose rate control with QoS support in Ad Hoc networks based on primal-dual interior-point method. We apply Gaussian belief propagation algorithm to compute the Newton step. For implementing distributed computation in...
For the design of a more efficient congestion control algorithm to optimize the resource allocation in Ad Hoc networks, the notion of the link’s interference set is introduced to represent the contention relationship among flows in Ad Hoc networks, which is the fundamental difference from the contention relationship among flows in Internet. And the congestion control problem is formulated as a nonlinear...
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