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A centralized inter-cell rank coordination mechanism for 5G systems

机译：适用于5G系统的集中式小区间秩协调机制

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摘要

Multiple transmit and receive antennas can be used to increase the number of independent streams between a transmitter-receiver pair, or to improve the interference resilience property with the help of linear minimum mean squared error (MMSE) receivers. An interference aware inter-cell rank coordination framework for the future fifth generation wireless system is proposed in this article. The proposal utilizes results from random matrix theory to estimate the mean signal-to-interference-plus-noise ratio at the MMSE receiver. In addition, a game-theoretic interference pricing measure is introduced as an inter-cell interference management mechanism to balance the spatial multiplexing vs. interference resilience trade-off. Exhaustive Monte Carlo simulations results demonstrating the performance of the proposed algorithm indicate a gain of around 40% over conventional non interference-aware schemes; and within around 6% of the optimum performance obtained using a brute-force exhaustive search algorithm.
机译：多个发射和接收天线可用于增加发射器-接收器对之间独立流的数量，或借助线性最小均方误差（MMSE）接收器来改善干扰弹性。本文提出了一种针对未来的第五代无线系统的干扰感知小区间秩协调框架。该提案利用随机矩阵理论的结果来估计MMSE接收机的平均信号干扰加噪声比。另外，引入了一种博弈论的干扰定价措施，作为一种小区间干扰管理机制，以平衡空间复用与干扰弹性之间的权衡。详尽的蒙特卡洛仿真结果证明了所提出算法的性能，表明与传统的无干扰感知方案相比，增益提高了40％。并在使用蛮力穷举搜索算法获得的最佳性能的6％左右的范围内。

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