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Title: Extraction of the Third-Order 3 ×3 MIMO Volterra Kernel Outputs Using Multitone Signals
Authors: Zain Ahmed, Khan
Zenteno Bolaños, Efrain
Händel, Peter
Isaksson, Magnus
Keywords: Codes (symbols)
Feedback control
Frequency domain analysis
Radio transmission
Telecommunication repeaters
Base bands
MIMO communication
Multitone signal
Radio frequencies
Volterra kernels
MIMO systems
Issue Date: 2018
Publisher: Institute of Electrical and Electronics Engineers Inc.
Abstract: This paper uses multitone signals to simplify the analysis of 3 × 3 multiple-input multiple-output (MIMO) Volterra systems by isolating the third-order kernel outputs from each other. Multitone signals fed to an MIMO Volterra system yield a spectrum that is a permutation of the sums of the input signal tones. This a priori knowledge is used to design multitone signals such that the third-order kernel outputs are isolated in the frequency domain. The signals are designed by deriving the conditions for the offset and spacing of the input frequency grids. The proposed technique is then validated for the six possible configurations of a 3 × 3 RF MIMO transmitter impaired by crosstalk effects. The proposed multitone signal design is used to extract the third-order kernel outputs, and their relative contributions are analyzed to determine the dominant crosstalk effects for each configuration. © 1963-2012 IEEE.
ISSN: 189480
Appears in Collections:Artículos de investigación

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