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arXiv:2107.04684

Antenna Array Thinning Through Quantum Computing

Paolo Rocca, Nicola Anselmi, Giacomo Oliveri, Alessandro Polo, Andrea Massa

Published Jul 9, 2021• 0 citations
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Abstract

Thinning antenna arrays through quantum Fourier transform (QFT) is proposed. Given the lattice of the candidate locations for the array elements, the problem of selecting which antenna location has to be either occupied or not by an array element is formulated in the quantum computing (QC) framework and then addressed with an ad-hoc design method based on a suitable implementation of the QFT algorithm. Representative numerical results are presented and discussed to point out the features and the advantages of the proposed QC-based thinning technique.

DOI
10.48550/arxiv.2107.04684

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Thinning antenna arrays through quantum Fourier transform (QFT) is proposed. Given the lattice of the candidate locations for the array elements, the problem of selecting which antenna location has to be either occupied or not by an array element is formulated in the quantum computing (QC) framework and then addressed with an ad-hoc design method based on a suitable implementation of the QFT algorithm. Representative numerical results are presented and discussed to point out the features and the advantages of the proposed QC-based thinning technique.
Thinning antenna arrays through quantum Fourier transform (QFT) is proposed. Given the lattice of the candidate locations for the array elements, the problem of selecting which antenna location has to be either occupied or not by an array element is formulated in the quantum computing (QC) framework and then addressed with an ad-hoc design method based on a suitable implementation of the QFT algorithm. Representative numerical results are presented and discussed to point out the features and the advantages of the proposed QC-based thinning technique.
The analysis of the power pattern of linear phased arrays (PAs) is addressed by exploiting advantages offered by the Quantum Computing (QC) framework. The proposed approach is described in its mathematical formulation and the parallel between the classical Discrete Fourier Transform (DFT) and the Quantum Fourier Transform (QFT) algorithm is discussed in the context of the power pattern analysis. The proposed QFT-based method is validated by means of proof-of-concept results, in order to show the peculiarity of the quantum method in terms of accuracy and computational cost.
A study on the analysis of the power-pattern of phased-array antennas (PAs) based on the quantum Fourier transform (QFT) is presented. The computation of the power pattern given the set of complex excitations of the PA elements is addressed within the quantum computing (QC) framework by means of a customized procedure that exploits the quantum mechanics principles and theory. A representative set of numerical results, yielded with a quantum computer emulator, is reported and discussed to validate the proposed method also pointing out its features in comparison with the classical approach based on the discrete Fourier transform (DFT).