Abstract
摘要: 在基于有限反馈多输入多输出(MIMO)广播系统的多用户选择研究中，目前已有的用户信噪干扰比(SINR)估计存在较大误差，这使得整个系统的性能受到制约。该文利用推导出的上下界来联合估计用户接收到的有用信号功率，得到了一种误差较小的SINR估计式，并基于该式给出了一种用户选择新算法。仿真结果表明，新的用户选择算法可以在低信噪比和高信噪比下同时达到较优性能，且复杂度较低。 关键词: 多输入多输出 / 有限反馈 / 多用户选择 / SINR估计
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