Phase-Only Control of Peak Sidelobe Level and Pattern Nulls Using Iterative Phase Perturbations

Yanki Aslan; Jan Puskely; Antoine Roederer; Alexander Yarovoy

doi:10.1109/LAWP.2019.2937682

Phase-Only Control of Peak Sidelobe Level and Pattern Nulls Using Iterative Phase Perturbations

Yanki Aslan, Jan Puskely, Antoine Roederer, Alexander Yarovoy

Microwave Sensing, Signals & Systems

Research output: Contribution to journal › Article › Scientific › peer-review

29 Citations (Scopus)

418 Downloads (Pure)

Abstract

Minimization of the maximum sidelobe level for a given array geometry, amplitude distribution, and nulling sectors by phase-only adjustment of the element coefficients is studied. Nonlinear optimization problem for phase distribution is solved using a novel iterative convex optimization algorithm, which includes mutual coupling effects and exploits small phase perturbations at each step. Superiority of the algorithm in terms of the peak sidelobe level and nulling depth achieved over several optimization methods reported in the most relevant literature is demonstrated in several case studies. Finally, a case study is performed to demonstrate added value of the algorithm for millimeter-wave fifth generation application with phase-only radiation pattern forming.

Original language	English
Article number	8818285
Pages (from-to)	2081-2085
Number of pages	5
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	18
Issue number	10
DOIs	https://doi.org/10.1109/LAWP.2019.2937682
Publication status	Published - 2019

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

Convex optimization
Fifth generation (5G)
Interference minimization
Null steering
Phase tapering
Phase-only control
Phased arrays

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10.1109/LAWP.2019.2937682

08818285Final published version, 2.38 MB

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title = "Phase-Only Control of Peak Sidelobe Level and Pattern Nulls Using Iterative Phase Perturbations",

abstract = "Minimization of the maximum sidelobe level for a given array geometry, amplitude distribution, and nulling sectors by phase-only adjustment of the element coefficients is studied. Nonlinear optimization problem for phase distribution is solved using a novel iterative convex optimization algorithm, which includes mutual coupling effects and exploits small phase perturbations at each step. Superiority of the algorithm in terms of the peak sidelobe level and nulling depth achieved over several optimization methods reported in the most relevant literature is demonstrated in several case studies. Finally, a case study is performed to demonstrate added value of the algorithm for millimeter-wave fifth generation application with phase-only radiation pattern forming.",

keywords = "Convex optimization, Fifth generation (5G), Interference minimization, Null steering, Phase tapering, Phase-only control, Phased arrays",

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doi = "10.1109/LAWP.2019.2937682",

language = "English",

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AU - Aslan, Yanki

AU - Puskely, Jan

AU - Roederer, Antoine

AU - Yarovoy, Alexander

N1 - Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

PY - 2019

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N2 - Minimization of the maximum sidelobe level for a given array geometry, amplitude distribution, and nulling sectors by phase-only adjustment of the element coefficients is studied. Nonlinear optimization problem for phase distribution is solved using a novel iterative convex optimization algorithm, which includes mutual coupling effects and exploits small phase perturbations at each step. Superiority of the algorithm in terms of the peak sidelobe level and nulling depth achieved over several optimization methods reported in the most relevant literature is demonstrated in several case studies. Finally, a case study is performed to demonstrate added value of the algorithm for millimeter-wave fifth generation application with phase-only radiation pattern forming.

AB - Minimization of the maximum sidelobe level for a given array geometry, amplitude distribution, and nulling sectors by phase-only adjustment of the element coefficients is studied. Nonlinear optimization problem for phase distribution is solved using a novel iterative convex optimization algorithm, which includes mutual coupling effects and exploits small phase perturbations at each step. Superiority of the algorithm in terms of the peak sidelobe level and nulling depth achieved over several optimization methods reported in the most relevant literature is demonstrated in several case studies. Finally, a case study is performed to demonstrate added value of the algorithm for millimeter-wave fifth generation application with phase-only radiation pattern forming.

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Phase-Only Control of Peak Sidelobe Level and Pattern Nulls Using Iterative Phase Perturbations

Abstract

Bibliographical note

Keywords

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Antenna Array Synthesis and Beamforming for 5G Applications: An Interdisciplinary Approach

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