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| 信道状况信息 (自适应编码调制技术是一种有效提高信道利用率的方法,其基本思想是接收端对信道进行实时估计,并将估计的信道状态信息 (CSI)通过反馈信道传送给发射端,发射端再根据 CSI 动态的改变调制方式和编码方式。以适应无线电信道衰弱的变化，从而充分地利用信道资源，具有抗多径传播能力强、频谱利用力高等有点) | |||
| 通道状态信息 | |||
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