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首页> 外文会议>IEEE International Conference on Communication Technology >Resource allocation scheme for HetNets with CoMP joint transmission
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Resource allocation scheme for HetNets with CoMP joint transmission

机译：CoMP联合传输的HetNets资源分配方案

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This paper proposes a joint subchannel and power allocation scheme for the downlink of orthogonal frequency division multiple access (OFDMA)-based heterogeneous networks (HetNets), where the coordinated multipoint (CoMP) joint transmission is supported. We formulate the scheme as a network throughput maximization problem subject to transmit power budgets. An iterative algorithm is first developed to find the optimal solution, which decomposes the subchannel assignment and power allocation in each iteration to reduce computational complexity. Then a greedy-based and an iterative waterfilling-based algorithm are designed, respectively, to solve the subchannel assignment and power allocation subproblems. Simulation results demonstrate that the proposed scheme outperforms other existing works and the iterative algorithms converge within a few iterations.
机译：针对基于正交频分多址（OFDMA）的异构网络（HetNets）的下行链路，提出了一种联合子信道和功率分配方案，其中支持了协作多点（CoMP）联合传输。我们将该方案表述为受发射功率预算约束的网络吞吐量最大化问题。首先开发一种迭代算法以找到最佳解决方案，该算法分解每次迭代中的子信道分配和功率分配以降低计算复杂性。然后分别设计了基于贪婪算法和基于迭代注水算法，以解决子信道分配和功率分配子问题。仿真结果表明，所提出的方案优于其他现有工作，并且迭代算法在几次迭代中收敛。

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