在一定范围内, MIMO信道的容量将随系统天线数目的增加而增大;另一方面,复信号星座图映射方式将比实信号方式带来更高的系统频谱利用率。
参考来源 - 新一代无线通信系统空时分组码技术研究·2,447,543篇论文数据,部分数据来源于NoteExpress
给出了利用信号星座图的QAM信号调制方式识别技术。
The modulation recognition technique of QAM signal by the constellation diagram is given in this paper.
由选定信号集边界的信号星座成形用于降低该星座的平均能量。
The shaping of a signal constellation by selecting the boundary of the signal set is used to reduce the average energy of the constellation.
传统的差分空时分组编码(DSTBC)在QPSK调制时存在着信号星座扩展。
The traditional differential space-time block code (DSTBC) suffers from the signal constellation expansion for QPSK modulation.
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