eNodeB在选择MCS，即选择调制阶数（modulation order）和TB size时，会保证对应的码率（code rate）尽可能地接近CQI index指示的码率（对应36.213的Table 7.2.3-1中第3列）。
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A modulation order recognition algorithm for M-ary CPM signals is proposed.
提出了一种多进制CPM信号的调制阶数识别方法。
参考来源 - 数字通信信号调制方式自动识别技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
随着调制阶数的增加，正交空时分组码的性能越来越差，但传输速率变大；
If the modulation order is different, the higher the order is, the worse the performance is, but the transmitting rate is bigger.
对给定调制参数的余弦-高斯光束，通过适当选取分数傅里叶变化阶数可以获得平顶的光强分布。
A flat-topped beam can be achieved by a suitable choice of the transform order for the Cosine-Gaussian beams with the modulation parameter.
对调制器的结构和设计技术进行了研究，根据系统要求设计了量化器位数，调制器过采样比和阶数。
The architecture and design methods of - modulators are studied . based on it , the bits of quantizer , oversampling - ratio and the orders of modulator have been designed.
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