Previous studies on orbital angular momentum (OAM) communication mainly considered line-of-sight (LOS) environments. In this letter, however, it is found that OAM communication with high-order modulation can be achieved in highly reverberant environments by combining the OAM multiplexing with a spatial equalizer. The OAM multiplexing exhibits comparable performance of the conventional multiple-input–multiple-output (MIMO) system.

中文翻译：

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高混响环境中的轨道角动量复用


先前对轨道角动量（OAM）通信的研究主要考虑视线（LOS）环境。然而，在这封信中，发现通过将OAM复用与空间均衡器相结合，可以在高混响环境中实现具有高阶调制的OAM通信。 OAM 复用表现出与传统多输入多输出 (MIMO) 系统相当的性能。