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In this paper, the capacity of a communication system based on orbital angular momentum (OAM) multiplexing is thoroughly studied and compared with the conventional multiple input multiple output (MIMO) system under different settings. In our studied OAM multiplexing communication system, both the transmitter side and the receiver side use uniform circular array (UCA) with identical or different settings...
This paper presents an analytical investigation on the performance of optimal beamforming scheme in multiple-input multiple-output dual-hop amplify-and-forward systems. We first derive a set of new closed-form expressions for the statistical properties of the resultant channel matrix, including the cumulative distribution function and probability density function of the maximum eigenvalue, as well...
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