具有轨道角动量的欧几里得空间

Chao Zhang, Jin Jiang, Yufei Zhao
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引用次数: 8

摘要

轨道角动量(OAM)是无线传输的一个新维度,也是电磁波的固有特性。将OAM与传统的调制编码相结合,可以建立扩展欧几里得空间来表示具有OAM维数的信号。本文根据是否利用正交量作为欧几里得空间的独立维,建立了三种欧几里得空间的数学模型。讨论和分析了几种典型的与栅格编码相结合的调制星座。用欧几里德空间内的欧几里德距离来评价误码率和传输容量的性能,验证了所提出的欧几里德空间在相应的OAM信号处理中的吸引力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Euclidean Space with Orbital Angular Momentum
Orbital Angular Momentum (OAM) has been considered as a new dimension of wireless transmission as well as the intrinsic property of electromagnetic wave. When OAM is applied with the traditional modulation and coding, the extended Euclidean space can be established to illustrate the signal with OAM dimension. In this paper, according to whether or not the OAM is utilized as the independent dimension with orthogonality, three kinds of mathematical models of the Euclidean space are established. Some typical modulation constellations joint with the trellis coding are discussed and analyzed. The performances of Bit Error Rate (BER) and transmission capacity are evaluated by the Euclidean distance within the Euclidean space, which confirms the appealing capability of the proposed Euclidean space in the corresponding signal processing with OAM.
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