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Joint Resource Allocation for Max-Min Throughput in Multicell Networks

机译:多小区网络中最大-最小吞吐量的联合资源分配

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摘要

We investigate the resource-allocation problem in multicell networks targeting the max-min throughput of all cells. A joint optimization over power control, channel allocation, and user association is considered, and the problem is then formulated as a nonconvex mixed-integer nonlinear problem (MINLP). To solve this problem, we proposed an alternating-optimization-based algorithm, which applies branch-and-bound and simulated annealing in solving subproblems at each optimization step. We also demonstrate the convergence and efficiency of the proposed algorithms by thorough numerical experiments. The experimental results show that joint optimization over all resources outperforms the restricted optimization over individual resources significantly.
机译:我们研究针对所有小区的最大-最小吞吐量的多小区网络中的资源分配问题。考虑对功率控制,信道分配和用户关联进行联合优化,然后将该问题公式化为非凸混合整数非线性问题(MINLP)。为了解决这个问题,我们提出了一种基于交替优化的算法,该算法在每个优化步骤都应用分支定界和模拟退火来解决子问题。我们还通过全面的数值实验证明了所提出算法的收敛性和效率。实验结果表明,对所有资源的联合优化明显优于对单个资源的受限优化。

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