Orbital Angular Momentum Multiplexing in Highly Reverberant Environments
Xiaoming Chen, Wei Xue, Hongyu Shi, Jianjia Yi, Wei E. I. Sha
Abstract
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.
Topics & Concepts
Orbital angular momentum multiplexingMultiplexingAngular momentumSpatial multiplexingMIMOPhysicsModulation (music)OpticsOptical communicationComputer scienceElectronic engineeringTelecommunicationsOrbital angular momentum of lightAcousticsEngineeringTotal angular momentum quantum numberChannel (broadcasting)Classical mechanicsOrbital Angular Momentum in OpticsOptical Wireless Communication TechnologiesMetamaterials and Metasurfaces Applications