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PMI是什么参数在LTE中？和RI，CQI怎么作用的
PMI是什么参数在LTE中？和RI，CQI怎么作用的
2025-03-16 04:45:17
推荐回答（1个）
回答1：
pmi是precoding matrix indicator 指的是手机上报的预编码矩阵的指示
和RI，cqi没有什么相互作用，ri是确定流数，cqi是信号质量
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