Multiband in-band full-duplexing using fractal concentric circular antenna arrays

Abstract In this work, we present an innovative approach to enhance multiband communication systems by enabling the antenna subsystems to simultaneously transmit and receive across multiple independent in-band full-duplex (IBFD) channels, i.e. multiband-IBFD (MIBFD). This capability is powered by fr...

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Main Authors: Geili Elsanousi, Mohammed Abbas, Franz Hirtenfelder, Raed AbdAlhameed, Xin-She Yang, Tuan Le, Huan X. Nguyen
Format: Article
Language:English
Published: SpringerOpen 2024-12-01
Series:EURASIP Journal on Wireless Communications and Networking
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Online Access:https://doi.org/10.1186/s13638-024-02421-0
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author Geili Elsanousi
Mohammed Abbas
Franz Hirtenfelder
Raed AbdAlhameed
Xin-She Yang
Tuan Le
Huan X. Nguyen
author_facet Geili Elsanousi
Mohammed Abbas
Franz Hirtenfelder
Raed AbdAlhameed
Xin-She Yang
Tuan Le
Huan X. Nguyen
author_sort Geili Elsanousi
collection DOAJ
description Abstract In this work, we present an innovative approach to enhance multiband communication systems by enabling the antenna subsystems to simultaneously transmit and receive across multiple independent in-band full-duplex (IBFD) channels, i.e. multiband-IBFD (MIBFD). This capability is powered by fractal antenna arrays, specifically using hexagonal star array (HSA) geometry. The approach provides a unique self-interference cancellation (SIC) capability across multiple bands (MB-SIC), achieved through translation or rotational transformations of self-similar or self-affine array structures. Simulation results demonstrate significantly enhanced SIC bandwidth for three signals at sub-frequencies near 5 GHz, with the integration of subbands’ SIC bandwidths achieving 1.4 GHz across these subbands. Further enhancements include combining this method with a technique involving the elevation of the central receiving element, significantly broadening the SIC bandwidth compared to traditional methods. Additionally, the multiband functionality is validated with pilot signals at 2.68 and 5.2 GHz, showing effective SIC in these narrow bands. This research presents a promising path for optimising radio resources in multiband communication systems.
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institution OA Journals
issn 1687-1499
language English
publishDate 2024-12-01
publisher SpringerOpen
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series EURASIP Journal on Wireless Communications and Networking
spelling doaj-art-072ce69f20bb46f8a5a8f779779305cd2025-08-20T02:31:40ZengSpringerOpenEURASIP Journal on Wireless Communications and Networking1687-14992024-12-012024113210.1186/s13638-024-02421-0Multiband in-band full-duplexing using fractal concentric circular antenna arraysGeili Elsanousi0Mohammed Abbas1Franz Hirtenfelder2Raed AbdAlhameed3Xin-She Yang4Tuan Le5Huan X. Nguyen6Faculty of Science and Technology, Middlesex UniversityFaculty of technology, University of KhartoumSIMULIA Industry Process Consultant Expert, DS Deutschland GmbH | Dassault SystémesFaculty of Engineering and Digital Technologies, University of BradfordFaculty of Science and Technology, Middlesex UniversityFaculty of Science and Technology, Middlesex UniversityFaculty of Science and Technology, Middlesex UniversityAbstract In this work, we present an innovative approach to enhance multiband communication systems by enabling the antenna subsystems to simultaneously transmit and receive across multiple independent in-band full-duplex (IBFD) channels, i.e. multiband-IBFD (MIBFD). This capability is powered by fractal antenna arrays, specifically using hexagonal star array (HSA) geometry. The approach provides a unique self-interference cancellation (SIC) capability across multiple bands (MB-SIC), achieved through translation or rotational transformations of self-similar or self-affine array structures. Simulation results demonstrate significantly enhanced SIC bandwidth for three signals at sub-frequencies near 5 GHz, with the integration of subbands’ SIC bandwidths achieving 1.4 GHz across these subbands. Further enhancements include combining this method with a technique involving the elevation of the central receiving element, significantly broadening the SIC bandwidth compared to traditional methods. Additionally, the multiband functionality is validated with pilot signals at 2.68 and 5.2 GHz, showing effective SIC in these narrow bands. This research presents a promising path for optimising radio resources in multiband communication systems.https://doi.org/10.1186/s13638-024-02421-0Fractal antenna array (FAA)Hexagonal star array (HSA)Concentric circular antenna array (CCAA)In-band full-duplexing (IBFD)Multiband in-band full-duplexing (MIBFD)
spellingShingle Geili Elsanousi
Mohammed Abbas
Franz Hirtenfelder
Raed AbdAlhameed
Xin-She Yang
Tuan Le
Huan X. Nguyen
Multiband in-band full-duplexing using fractal concentric circular antenna arrays
EURASIP Journal on Wireless Communications and Networking
Fractal antenna array (FAA)
Hexagonal star array (HSA)
Concentric circular antenna array (CCAA)
In-band full-duplexing (IBFD)
Multiband in-band full-duplexing (MIBFD)
title Multiband in-band full-duplexing using fractal concentric circular antenna arrays
title_full Multiband in-band full-duplexing using fractal concentric circular antenna arrays
title_fullStr Multiband in-band full-duplexing using fractal concentric circular antenna arrays
title_full_unstemmed Multiband in-band full-duplexing using fractal concentric circular antenna arrays
title_short Multiband in-band full-duplexing using fractal concentric circular antenna arrays
title_sort multiband in band full duplexing using fractal concentric circular antenna arrays
topic Fractal antenna array (FAA)
Hexagonal star array (HSA)
Concentric circular antenna array (CCAA)
In-band full-duplexing (IBFD)
Multiband in-band full-duplexing (MIBFD)
url https://doi.org/10.1186/s13638-024-02421-0
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