Design and Optimization of a Coherent Beamforming Network for an Aperiodic Concentric Ring Array
In this work, a flexible and reconfigurable feeding network design for a nonuniform aperture on circular concentric ring arrays is proposed and analyzed. The network subsystem delivers coherent in-phase outputs with a Gaussian-like amplitude distribution, in a modular and basic topology based on set...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2019-01-01
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| Series: | International Journal of Antennas and Propagation |
| Online Access: | http://dx.doi.org/10.1155/2019/4601718 |
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| _version_ | 1832551217828462592 |
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| author | Armando Arce Enrique Stevens-Navarro Marco Cardenas-Juarez Ulises Pineda-Rico Jorge Simon Marco A. Panduro |
| author_facet | Armando Arce Enrique Stevens-Navarro Marco Cardenas-Juarez Ulises Pineda-Rico Jorge Simon Marco A. Panduro |
| author_sort | Armando Arce |
| collection | DOAJ |
| description | In this work, a flexible and reconfigurable feeding network design for a nonuniform aperture on circular concentric ring arrays is proposed and analyzed. The network subsystem delivers coherent in-phase outputs with a Gaussian-like amplitude distribution, in a modular and basic topology based on sets of alternated power combiners and dividers. A complete antenna system in a monobeam configuration with a coherent network based on grouped inputs (blocks) per ring for an aperiodic concentric ring array with beam scanning and beam shaping properties is synthesized and analyzed. Additionally, a comparative analysis based on nonuniform and uniform concentric ring arrays fed by the proposed coherent network configuration is conducted and assessed. The optimization of the aperiodic layout on the antenna aperture (radii and interelement antenna spacings) is done by the differential evolution algorithm. Numeric experimentation demonstrates the performance advantages and capabilities of the proposed coherent network configuration with a nonuniform aperture over its uniform counterpart, with an improvement in average equal to −8.7 dB of side lobe level and 3.9 dB of directivity. Furthermore, the numeric examples show a complexity reduction on the coherent feeding network configuration based on the number of control signal inputs compared with a conventional phased antenna array; in the proposed configuration, the main beam is steered and shaped with N-1 control feeding ports per ring in this antenna system. |
| format | Article |
| id | doaj-art-d5a8595ccc604335900eed1a80d28209 |
| institution | Kabale University |
| issn | 1687-5869 1687-5877 |
| language | English |
| publishDate | 2019-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Antennas and Propagation |
| spelling | doaj-art-d5a8595ccc604335900eed1a80d282092025-02-03T06:04:47ZengWileyInternational Journal of Antennas and Propagation1687-58691687-58772019-01-01201910.1155/2019/46017184601718Design and Optimization of a Coherent Beamforming Network for an Aperiodic Concentric Ring ArrayArmando Arce0Enrique Stevens-Navarro1Marco Cardenas-Juarez2Ulises Pineda-Rico3Jorge Simon4Marco A. Panduro5Catedras CONACYT and with Faculty of Sciences, Universidad Autonoma de San Luis Potosi (UASLP), 78290 San Luis Potosi, MexicoFaculty of Sciences, Universidad Autonoma de San Luis Potosi (UASLP), San Luis Potosi, MexicoFaculty of Sciences, Universidad Autonoma de San Luis Potosi (UASLP), San Luis Potosi, MexicoFaculty of Sciences, Universidad Autonoma de San Luis Potosi (UASLP), San Luis Potosi, MexicoCatedras CONACYT and Centro de Investigacion y Desarrollo en Telecomunicaciones Espaciales, Universidad Autonoma de Zacatecas (UAZ), 98000 Zacatecas, MexicoDepartment of Electronics and Telecommunications, CICESE Research Centre, 22860 Baja California, MexicoIn this work, a flexible and reconfigurable feeding network design for a nonuniform aperture on circular concentric ring arrays is proposed and analyzed. The network subsystem delivers coherent in-phase outputs with a Gaussian-like amplitude distribution, in a modular and basic topology based on sets of alternated power combiners and dividers. A complete antenna system in a monobeam configuration with a coherent network based on grouped inputs (blocks) per ring for an aperiodic concentric ring array with beam scanning and beam shaping properties is synthesized and analyzed. Additionally, a comparative analysis based on nonuniform and uniform concentric ring arrays fed by the proposed coherent network configuration is conducted and assessed. The optimization of the aperiodic layout on the antenna aperture (radii and interelement antenna spacings) is done by the differential evolution algorithm. Numeric experimentation demonstrates the performance advantages and capabilities of the proposed coherent network configuration with a nonuniform aperture over its uniform counterpart, with an improvement in average equal to −8.7 dB of side lobe level and 3.9 dB of directivity. Furthermore, the numeric examples show a complexity reduction on the coherent feeding network configuration based on the number of control signal inputs compared with a conventional phased antenna array; in the proposed configuration, the main beam is steered and shaped with N-1 control feeding ports per ring in this antenna system.http://dx.doi.org/10.1155/2019/4601718 |
| spellingShingle | Armando Arce Enrique Stevens-Navarro Marco Cardenas-Juarez Ulises Pineda-Rico Jorge Simon Marco A. Panduro Design and Optimization of a Coherent Beamforming Network for an Aperiodic Concentric Ring Array International Journal of Antennas and Propagation |
| title | Design and Optimization of a Coherent Beamforming Network for an Aperiodic Concentric Ring Array |
| title_full | Design and Optimization of a Coherent Beamforming Network for an Aperiodic Concentric Ring Array |
| title_fullStr | Design and Optimization of a Coherent Beamforming Network for an Aperiodic Concentric Ring Array |
| title_full_unstemmed | Design and Optimization of a Coherent Beamforming Network for an Aperiodic Concentric Ring Array |
| title_short | Design and Optimization of a Coherent Beamforming Network for an Aperiodic Concentric Ring Array |
| title_sort | design and optimization of a coherent beamforming network for an aperiodic concentric ring array |
| url | http://dx.doi.org/10.1155/2019/4601718 |
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