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中文摘要：
提出了基于网络效用最大化的无线自组织网络模型，该模型用发送功率的凸函数作为度量效用的指标之一，更加贴切地反映了网络能量受限的特点．采用对偶分解的方法求解模型，得到分布式功率与速率联合控制算法．该算法考虑了无线自组织网传输层和物理层之间的协作，能够在满足一定生存周期的要求下，协调每个节点的传输功率和数据速率，达到全网效用最大化．最后给出一个具体的拓扑和效用函数进行数值仿真实验，验证了算法的收敛性．
英文摘要：
A new network utility maximization model was proposed, which can adjust the transmission power and data rate very efficiently to achieve the maximum of network utility. In the model, the convex function of power was considered to measure the network utility. Dual decomposition technology was adopted to solve the optimization problem. Solving the model, a distributed power and rate control algorithm was found. This algorithm combines the cooperation between transportation layer and physical layer, and numerical simulation shows the convergence of the proposed algorithm.
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