Combined RIS and EBG Surfaces Inspired Meta-Wearable Textile MIMO Antenna Using Viscose-Wool Felt

In this paper, we present a textile multiple-input–multiple-output (MIMO) antenna designed with a metamaterial inspired reactive impedance surface (RIS) and electromagnetic bandgap (EBG) using viscose-wool felt. Rectangular RIS was used as a reflector to improve the antenna gain and bandwidth to address well known crucial challenges—maintaining gain while reducing mutual coupling in MIMO antennas. The RIS unit cell was designed to achieve inductive impedance at the center frequency of 2.45 GHz with a reflection phase of 177.6°. The improved bandwidth of 170 MHz was achieved by using a square shaped RIS under a rectangular patch antenna, and this also helped to attain an additional gain of 1.29 dBi. When the antenna was implemented as MIMO, a split ring resonator backed by strip line type EBG was used to minimize the mutual coupling between the antenna elements. The EBG offered a sufficient band gap region from 2.37 GHz to 2.63 GHz. Prior to fabrication, bending analysis was carried out to validate the performance of the reflection coefficient (<i<S</i<<sub<11</sub<) and transmission coefficient (<i<S</i<<sub<21</sub<). The results of the analysis show that bending conditions have very little impact on antenna performance in terms of S-parameters. The effect of strip line supported SRR-based EBG was further analyzed with the fabricated prototype to clearly show the advantage of the designed EBG towards the mutual coupling reduction. The designed MIMO-RIS-EBG array-based antenna revealed an <i<S</i<<sub<21</sub< reduction of −9.8 dB at 2.45 GHz frequency with overall <i<S</i<<sub<21</sub< of <−40 dB. The results also indicated that the proposed SRR-EBG minimized the mutual coupling while keeping the mean effective gain (MEG) variations of <3 dB at the desired operating band. The specific absorption rate (SAR) analysis showed that the proposed design is not harmful to human body as the values are less than the regulated SAR. Overall, the findings in this study indicate the potential of the proposed MIMO antenna for microwave applications in a wearable format. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Amira Nur Suraya Shamsuri Agus [verfasserIn] Thennarasan Sabapathy [verfasserIn] Muzammil Jusoh [verfasserIn] Mahmoud A. Abdelghany [verfasserIn] Kabir Hossain [verfasserIn] Surentiran Padmanathan [verfasserIn] Samir Salem Al-Bawri [verfasserIn] Ping Jack Soh [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	metasurface metamaterials high performance textiles wearable antenna textile antennas polymer

Übergeordnetes Werk:	In: Polymers - MDPI AG, 2011, 14(2022), 10, p 1989
Übergeordnetes Werk:	volume:14 ; year:2022 ; number:10, p 1989

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/polym14101989

Katalog-ID:	DOAJ042088933

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650		4	\|a metasurface
650		4	\|a metamaterials
650		4	\|a high performance textiles
650		4	\|a wearable antenna
650		4	\|a textile antennas
650		4	\|a polymer
653		0	\|a Organic chemistry
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700	0		\|a Muzammil Jusoh \|e verfasserin \|4 aut
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700	0		\|a Surentiran Padmanathan \|e verfasserin \|4 aut
700	0		\|a Samir Salem Al-Bawri \|e verfasserin \|4 aut
700	0		\|a Ping Jack Soh \|e verfasserin \|4 aut
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allfields	10.3390/polym14101989 doi (DE-627)DOAJ042088933 (DE-599)DOAJ1a1474ae377c401899d7b807b00db47e DE-627 ger DE-627 rakwb eng QD241-441 Amira Nur Suraya Shamsuri Agus verfasserin aut Combined RIS and EBG Surfaces Inspired Meta-Wearable Textile MIMO Antenna Using Viscose-Wool Felt 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, we present a textile multiple-input–multiple-output (MIMO) antenna designed with a metamaterial inspired reactive impedance surface (RIS) and electromagnetic bandgap (EBG) using viscose-wool felt. Rectangular RIS was used as a reflector to improve the antenna gain and bandwidth to address well known crucial challenges—maintaining gain while reducing mutual coupling in MIMO antennas. The RIS unit cell was designed to achieve inductive impedance at the center frequency of 2.45 GHz with a reflection phase of 177.6°. The improved bandwidth of 170 MHz was achieved by using a square shaped RIS under a rectangular patch antenna, and this also helped to attain an additional gain of 1.29 dBi. When the antenna was implemented as MIMO, a split ring resonator backed by strip line type EBG was used to minimize the mutual coupling between the antenna elements. The EBG offered a sufficient band gap region from 2.37 GHz to 2.63 GHz. Prior to fabrication, bending analysis was carried out to validate the performance of the reflection coefficient (<i<S</i<<sub<11</sub<) and transmission coefficient (<i<S</i<<sub<21</sub<). The results of the analysis show that bending conditions have very little impact on antenna performance in terms of S-parameters. The effect of strip line supported SRR-based EBG was further analyzed with the fabricated prototype to clearly show the advantage of the designed EBG towards the mutual coupling reduction. The designed MIMO-RIS-EBG array-based antenna revealed an <i<S</i<<sub<21</sub< reduction of −9.8 dB at 2.45 GHz frequency with overall <i<S</i<<sub<21</sub< of <−40 dB. The results also indicated that the proposed SRR-EBG minimized the mutual coupling while keeping the mean effective gain (MEG) variations of <3 dB at the desired operating band. The specific absorption rate (SAR) analysis showed that the proposed design is not harmful to human body as the values are less than the regulated SAR. Overall, the findings in this study indicate the potential of the proposed MIMO antenna for microwave applications in a wearable format. metasurface metamaterials high performance textiles wearable antenna textile antennas polymer Organic chemistry Thennarasan Sabapathy verfasserin aut Muzammil Jusoh verfasserin aut Mahmoud A. Abdelghany verfasserin aut Kabir Hossain verfasserin aut Surentiran Padmanathan verfasserin aut Samir Salem Al-Bawri verfasserin aut Ping Jack Soh verfasserin aut In Polymers MDPI AG, 2011 14(2022), 10, p 1989 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:14 year:2022 number:10, p 1989 https://doi.org/10.3390/polym14101989 kostenfrei https://doaj.org/article/1a1474ae377c401899d7b807b00db47e kostenfrei https://www.mdpi.com/2073-4360/14/10/1989 kostenfrei https://doaj.org/toc/2073-4360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2022 10, p 1989
spelling	10.3390/polym14101989 doi (DE-627)DOAJ042088933 (DE-599)DOAJ1a1474ae377c401899d7b807b00db47e DE-627 ger DE-627 rakwb eng QD241-441 Amira Nur Suraya Shamsuri Agus verfasserin aut Combined RIS and EBG Surfaces Inspired Meta-Wearable Textile MIMO Antenna Using Viscose-Wool Felt 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, we present a textile multiple-input–multiple-output (MIMO) antenna designed with a metamaterial inspired reactive impedance surface (RIS) and electromagnetic bandgap (EBG) using viscose-wool felt. Rectangular RIS was used as a reflector to improve the antenna gain and bandwidth to address well known crucial challenges—maintaining gain while reducing mutual coupling in MIMO antennas. The RIS unit cell was designed to achieve inductive impedance at the center frequency of 2.45 GHz with a reflection phase of 177.6°. The improved bandwidth of 170 MHz was achieved by using a square shaped RIS under a rectangular patch antenna, and this also helped to attain an additional gain of 1.29 dBi. When the antenna was implemented as MIMO, a split ring resonator backed by strip line type EBG was used to minimize the mutual coupling between the antenna elements. The EBG offered a sufficient band gap region from 2.37 GHz to 2.63 GHz. Prior to fabrication, bending analysis was carried out to validate the performance of the reflection coefficient (<i<S</i<<sub<11</sub<) and transmission coefficient (<i<S</i<<sub<21</sub<). The results of the analysis show that bending conditions have very little impact on antenna performance in terms of S-parameters. The effect of strip line supported SRR-based EBG was further analyzed with the fabricated prototype to clearly show the advantage of the designed EBG towards the mutual coupling reduction. The designed MIMO-RIS-EBG array-based antenna revealed an <i<S</i<<sub<21</sub< reduction of −9.8 dB at 2.45 GHz frequency with overall <i<S</i<<sub<21</sub< of <−40 dB. The results also indicated that the proposed SRR-EBG minimized the mutual coupling while keeping the mean effective gain (MEG) variations of <3 dB at the desired operating band. The specific absorption rate (SAR) analysis showed that the proposed design is not harmful to human body as the values are less than the regulated SAR. Overall, the findings in this study indicate the potential of the proposed MIMO antenna for microwave applications in a wearable format. metasurface metamaterials high performance textiles wearable antenna textile antennas polymer Organic chemistry Thennarasan Sabapathy verfasserin aut Muzammil Jusoh verfasserin aut Mahmoud A. Abdelghany verfasserin aut Kabir Hossain verfasserin aut Surentiran Padmanathan verfasserin aut Samir Salem Al-Bawri verfasserin aut Ping Jack Soh verfasserin aut In Polymers MDPI AG, 2011 14(2022), 10, p 1989 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:14 year:2022 number:10, p 1989 https://doi.org/10.3390/polym14101989 kostenfrei https://doaj.org/article/1a1474ae377c401899d7b807b00db47e kostenfrei https://www.mdpi.com/2073-4360/14/10/1989 kostenfrei https://doaj.org/toc/2073-4360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2022 10, p 1989
allfields_unstemmed	10.3390/polym14101989 doi (DE-627)DOAJ042088933 (DE-599)DOAJ1a1474ae377c401899d7b807b00db47e DE-627 ger DE-627 rakwb eng QD241-441 Amira Nur Suraya Shamsuri Agus verfasserin aut Combined RIS and EBG Surfaces Inspired Meta-Wearable Textile MIMO Antenna Using Viscose-Wool Felt 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, we present a textile multiple-input–multiple-output (MIMO) antenna designed with a metamaterial inspired reactive impedance surface (RIS) and electromagnetic bandgap (EBG) using viscose-wool felt. Rectangular RIS was used as a reflector to improve the antenna gain and bandwidth to address well known crucial challenges—maintaining gain while reducing mutual coupling in MIMO antennas. The RIS unit cell was designed to achieve inductive impedance at the center frequency of 2.45 GHz with a reflection phase of 177.6°. The improved bandwidth of 170 MHz was achieved by using a square shaped RIS under a rectangular patch antenna, and this also helped to attain an additional gain of 1.29 dBi. When the antenna was implemented as MIMO, a split ring resonator backed by strip line type EBG was used to minimize the mutual coupling between the antenna elements. The EBG offered a sufficient band gap region from 2.37 GHz to 2.63 GHz. Prior to fabrication, bending analysis was carried out to validate the performance of the reflection coefficient (<i<S</i<<sub<11</sub<) and transmission coefficient (<i<S</i<<sub<21</sub<). The results of the analysis show that bending conditions have very little impact on antenna performance in terms of S-parameters. The effect of strip line supported SRR-based EBG was further analyzed with the fabricated prototype to clearly show the advantage of the designed EBG towards the mutual coupling reduction. The designed MIMO-RIS-EBG array-based antenna revealed an <i<S</i<<sub<21</sub< reduction of −9.8 dB at 2.45 GHz frequency with overall <i<S</i<<sub<21</sub< of <−40 dB. The results also indicated that the proposed SRR-EBG minimized the mutual coupling while keeping the mean effective gain (MEG) variations of <3 dB at the desired operating band. The specific absorption rate (SAR) analysis showed that the proposed design is not harmful to human body as the values are less than the regulated SAR. Overall, the findings in this study indicate the potential of the proposed MIMO antenna for microwave applications in a wearable format. metasurface metamaterials high performance textiles wearable antenna textile antennas polymer Organic chemistry Thennarasan Sabapathy verfasserin aut Muzammil Jusoh verfasserin aut Mahmoud A. Abdelghany verfasserin aut Kabir Hossain verfasserin aut Surentiran Padmanathan verfasserin aut Samir Salem Al-Bawri verfasserin aut Ping Jack Soh verfasserin aut In Polymers MDPI AG, 2011 14(2022), 10, p 1989 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:14 year:2022 number:10, p 1989 https://doi.org/10.3390/polym14101989 kostenfrei https://doaj.org/article/1a1474ae377c401899d7b807b00db47e kostenfrei https://www.mdpi.com/2073-4360/14/10/1989 kostenfrei https://doaj.org/toc/2073-4360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2022 10, p 1989
allfieldsGer	10.3390/polym14101989 doi (DE-627)DOAJ042088933 (DE-599)DOAJ1a1474ae377c401899d7b807b00db47e DE-627 ger DE-627 rakwb eng QD241-441 Amira Nur Suraya Shamsuri Agus verfasserin aut Combined RIS and EBG Surfaces Inspired Meta-Wearable Textile MIMO Antenna Using Viscose-Wool Felt 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, we present a textile multiple-input–multiple-output (MIMO) antenna designed with a metamaterial inspired reactive impedance surface (RIS) and electromagnetic bandgap (EBG) using viscose-wool felt. Rectangular RIS was used as a reflector to improve the antenna gain and bandwidth to address well known crucial challenges—maintaining gain while reducing mutual coupling in MIMO antennas. The RIS unit cell was designed to achieve inductive impedance at the center frequency of 2.45 GHz with a reflection phase of 177.6°. The improved bandwidth of 170 MHz was achieved by using a square shaped RIS under a rectangular patch antenna, and this also helped to attain an additional gain of 1.29 dBi. When the antenna was implemented as MIMO, a split ring resonator backed by strip line type EBG was used to minimize the mutual coupling between the antenna elements. The EBG offered a sufficient band gap region from 2.37 GHz to 2.63 GHz. Prior to fabrication, bending analysis was carried out to validate the performance of the reflection coefficient (<i<S</i<<sub<11</sub<) and transmission coefficient (<i<S</i<<sub<21</sub<). The results of the analysis show that bending conditions have very little impact on antenna performance in terms of S-parameters. The effect of strip line supported SRR-based EBG was further analyzed with the fabricated prototype to clearly show the advantage of the designed EBG towards the mutual coupling reduction. The designed MIMO-RIS-EBG array-based antenna revealed an <i<S</i<<sub<21</sub< reduction of −9.8 dB at 2.45 GHz frequency with overall <i<S</i<<sub<21</sub< of <−40 dB. The results also indicated that the proposed SRR-EBG minimized the mutual coupling while keeping the mean effective gain (MEG) variations of <3 dB at the desired operating band. The specific absorption rate (SAR) analysis showed that the proposed design is not harmful to human body as the values are less than the regulated SAR. Overall, the findings in this study indicate the potential of the proposed MIMO antenna for microwave applications in a wearable format. metasurface metamaterials high performance textiles wearable antenna textile antennas polymer Organic chemistry Thennarasan Sabapathy verfasserin aut Muzammil Jusoh verfasserin aut Mahmoud A. Abdelghany verfasserin aut Kabir Hossain verfasserin aut Surentiran Padmanathan verfasserin aut Samir Salem Al-Bawri verfasserin aut Ping Jack Soh verfasserin aut In Polymers MDPI AG, 2011 14(2022), 10, p 1989 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:14 year:2022 number:10, p 1989 https://doi.org/10.3390/polym14101989 kostenfrei https://doaj.org/article/1a1474ae377c401899d7b807b00db47e kostenfrei https://www.mdpi.com/2073-4360/14/10/1989 kostenfrei https://doaj.org/toc/2073-4360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2022 10, p 1989
allfieldsSound	10.3390/polym14101989 doi (DE-627)DOAJ042088933 (DE-599)DOAJ1a1474ae377c401899d7b807b00db47e DE-627 ger DE-627 rakwb eng QD241-441 Amira Nur Suraya Shamsuri Agus verfasserin aut Combined RIS and EBG Surfaces Inspired Meta-Wearable Textile MIMO Antenna Using Viscose-Wool Felt 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, we present a textile multiple-input–multiple-output (MIMO) antenna designed with a metamaterial inspired reactive impedance surface (RIS) and electromagnetic bandgap (EBG) using viscose-wool felt. Rectangular RIS was used as a reflector to improve the antenna gain and bandwidth to address well known crucial challenges—maintaining gain while reducing mutual coupling in MIMO antennas. The RIS unit cell was designed to achieve inductive impedance at the center frequency of 2.45 GHz with a reflection phase of 177.6°. The improved bandwidth of 170 MHz was achieved by using a square shaped RIS under a rectangular patch antenna, and this also helped to attain an additional gain of 1.29 dBi. When the antenna was implemented as MIMO, a split ring resonator backed by strip line type EBG was used to minimize the mutual coupling between the antenna elements. The EBG offered a sufficient band gap region from 2.37 GHz to 2.63 GHz. Prior to fabrication, bending analysis was carried out to validate the performance of the reflection coefficient (<i<S</i<<sub<11</sub<) and transmission coefficient (<i<S</i<<sub<21</sub<). The results of the analysis show that bending conditions have very little impact on antenna performance in terms of S-parameters. The effect of strip line supported SRR-based EBG was further analyzed with the fabricated prototype to clearly show the advantage of the designed EBG towards the mutual coupling reduction. The designed MIMO-RIS-EBG array-based antenna revealed an <i<S</i<<sub<21</sub< reduction of −9.8 dB at 2.45 GHz frequency with overall <i<S</i<<sub<21</sub< of <−40 dB. The results also indicated that the proposed SRR-EBG minimized the mutual coupling while keeping the mean effective gain (MEG) variations of <3 dB at the desired operating band. The specific absorption rate (SAR) analysis showed that the proposed design is not harmful to human body as the values are less than the regulated SAR. Overall, the findings in this study indicate the potential of the proposed MIMO antenna for microwave applications in a wearable format. metasurface metamaterials high performance textiles wearable antenna textile antennas polymer Organic chemistry Thennarasan Sabapathy verfasserin aut Muzammil Jusoh verfasserin aut Mahmoud A. Abdelghany verfasserin aut Kabir Hossain verfasserin aut Surentiran Padmanathan verfasserin aut Samir Salem Al-Bawri verfasserin aut Ping Jack Soh verfasserin aut In Polymers MDPI AG, 2011 14(2022), 10, p 1989 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:14 year:2022 number:10, p 1989 https://doi.org/10.3390/polym14101989 kostenfrei https://doaj.org/article/1a1474ae377c401899d7b807b00db47e kostenfrei https://www.mdpi.com/2073-4360/14/10/1989 kostenfrei https://doaj.org/toc/2073-4360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2022 10, p 1989
language	English
source	In Polymers 14(2022), 10, p 1989 volume:14 year:2022 number:10, p 1989
sourceStr	In Polymers 14(2022), 10, p 1989 volume:14 year:2022 number:10, p 1989
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	metasurface metamaterials high performance textiles wearable antenna textile antennas polymer Organic chemistry
isfreeaccess_bool	true
container_title	Polymers
authorswithroles_txt_mv	Amira Nur Suraya Shamsuri Agus @@aut@@ Thennarasan Sabapathy @@aut@@ Muzammil Jusoh @@aut@@ Mahmoud A. Abdelghany @@aut@@ Kabir Hossain @@aut@@ Surentiran Padmanathan @@aut@@ Samir Salem Al-Bawri @@aut@@ Ping Jack Soh @@aut@@
publishDateDaySort_date	2022-01-01T00:00:00Z
hierarchy_top_id	61409612X
id	DOAJ042088933
language_de	englisch
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The results of the analysis show that bending conditions have very little impact on antenna performance in terms of S-parameters. The effect of strip line supported SRR-based EBG was further analyzed with the fabricated prototype to clearly show the advantage of the designed EBG towards the mutual coupling reduction. The designed MIMO-RIS-EBG array-based antenna revealed an <i<S</i<<sub<21</sub< reduction of −9.8 dB at 2.45 GHz frequency with overall <i<S</i<<sub<21</sub< of <−40 dB. The results also indicated that the proposed SRR-EBG minimized the mutual coupling while keeping the mean effective gain (MEG) variations of <3 dB at the desired operating band. The specific absorption rate (SAR) analysis showed that the proposed design is not harmful to human body as the values are less than the regulated SAR. 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callnumber-first	Q - Science
author	Amira Nur Suraya Shamsuri Agus
spellingShingle	Amira Nur Suraya Shamsuri Agus misc QD241-441 misc metasurface misc metamaterials misc high performance textiles misc wearable antenna misc textile antennas misc polymer misc Organic chemistry Combined RIS and EBG Surfaces Inspired Meta-Wearable Textile MIMO Antenna Using Viscose-Wool Felt
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topic_title	QD241-441 Combined RIS and EBG Surfaces Inspired Meta-Wearable Textile MIMO Antenna Using Viscose-Wool Felt metasurface metamaterials high performance textiles wearable antenna textile antennas polymer
topic	misc QD241-441 misc metasurface misc metamaterials misc high performance textiles misc wearable antenna misc textile antennas misc polymer misc Organic chemistry
topic_unstemmed	misc QD241-441 misc metasurface misc metamaterials misc high performance textiles misc wearable antenna misc textile antennas misc polymer misc Organic chemistry
topic_browse	misc QD241-441 misc metasurface misc metamaterials misc high performance textiles misc wearable antenna misc textile antennas misc polymer misc Organic chemistry
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title	Combined RIS and EBG Surfaces Inspired Meta-Wearable Textile MIMO Antenna Using Viscose-Wool Felt
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title_full	Combined RIS and EBG Surfaces Inspired Meta-Wearable Textile MIMO Antenna Using Viscose-Wool Felt
author_sort	Amira Nur Suraya Shamsuri Agus
journal	Polymers
journalStr	Polymers
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author_browse	Amira Nur Suraya Shamsuri Agus Thennarasan Sabapathy Muzammil Jusoh Mahmoud A. Abdelghany Kabir Hossain Surentiran Padmanathan Samir Salem Al-Bawri Ping Jack Soh
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author-letter	Amira Nur Suraya Shamsuri Agus
doi_str_mv	10.3390/polym14101989
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title_sort	combined ris and ebg surfaces inspired meta-wearable textile mimo antenna using viscose-wool felt
callnumber	QD241-441
title_auth	Combined RIS and EBG Surfaces Inspired Meta-Wearable Textile MIMO Antenna Using Viscose-Wool Felt
abstract	In this paper, we present a textile multiple-input–multiple-output (MIMO) antenna designed with a metamaterial inspired reactive impedance surface (RIS) and electromagnetic bandgap (EBG) using viscose-wool felt. Rectangular RIS was used as a reflector to improve the antenna gain and bandwidth to address well known crucial challenges—maintaining gain while reducing mutual coupling in MIMO antennas. The RIS unit cell was designed to achieve inductive impedance at the center frequency of 2.45 GHz with a reflection phase of 177.6°. The improved bandwidth of 170 MHz was achieved by using a square shaped RIS under a rectangular patch antenna, and this also helped to attain an additional gain of 1.29 dBi. When the antenna was implemented as MIMO, a split ring resonator backed by strip line type EBG was used to minimize the mutual coupling between the antenna elements. The EBG offered a sufficient band gap region from 2.37 GHz to 2.63 GHz. Prior to fabrication, bending analysis was carried out to validate the performance of the reflection coefficient (<i<S</i<<sub<11</sub<) and transmission coefficient (<i<S</i<<sub<21</sub<). The results of the analysis show that bending conditions have very little impact on antenna performance in terms of S-parameters. The effect of strip line supported SRR-based EBG was further analyzed with the fabricated prototype to clearly show the advantage of the designed EBG towards the mutual coupling reduction. The designed MIMO-RIS-EBG array-based antenna revealed an <i<S</i<<sub<21</sub< reduction of −9.8 dB at 2.45 GHz frequency with overall <i<S</i<<sub<21</sub< of <−40 dB. The results also indicated that the proposed SRR-EBG minimized the mutual coupling while keeping the mean effective gain (MEG) variations of <3 dB at the desired operating band. The specific absorption rate (SAR) analysis showed that the proposed design is not harmful to human body as the values are less than the regulated SAR. Overall, the findings in this study indicate the potential of the proposed MIMO antenna for microwave applications in a wearable format.
abstractGer	In this paper, we present a textile multiple-input–multiple-output (MIMO) antenna designed with a metamaterial inspired reactive impedance surface (RIS) and electromagnetic bandgap (EBG) using viscose-wool felt. Rectangular RIS was used as a reflector to improve the antenna gain and bandwidth to address well known crucial challenges—maintaining gain while reducing mutual coupling in MIMO antennas. The RIS unit cell was designed to achieve inductive impedance at the center frequency of 2.45 GHz with a reflection phase of 177.6°. The improved bandwidth of 170 MHz was achieved by using a square shaped RIS under a rectangular patch antenna, and this also helped to attain an additional gain of 1.29 dBi. When the antenna was implemented as MIMO, a split ring resonator backed by strip line type EBG was used to minimize the mutual coupling between the antenna elements. The EBG offered a sufficient band gap region from 2.37 GHz to 2.63 GHz. Prior to fabrication, bending analysis was carried out to validate the performance of the reflection coefficient (<i<S</i<<sub<11</sub<) and transmission coefficient (<i<S</i<<sub<21</sub<). The results of the analysis show that bending conditions have very little impact on antenna performance in terms of S-parameters. The effect of strip line supported SRR-based EBG was further analyzed with the fabricated prototype to clearly show the advantage of the designed EBG towards the mutual coupling reduction. The designed MIMO-RIS-EBG array-based antenna revealed an <i<S</i<<sub<21</sub< reduction of −9.8 dB at 2.45 GHz frequency with overall <i<S</i<<sub<21</sub< of <−40 dB. The results also indicated that the proposed SRR-EBG minimized the mutual coupling while keeping the mean effective gain (MEG) variations of <3 dB at the desired operating band. The specific absorption rate (SAR) analysis showed that the proposed design is not harmful to human body as the values are less than the regulated SAR. Overall, the findings in this study indicate the potential of the proposed MIMO antenna for microwave applications in a wearable format.
abstract_unstemmed	In this paper, we present a textile multiple-input–multiple-output (MIMO) antenna designed with a metamaterial inspired reactive impedance surface (RIS) and electromagnetic bandgap (EBG) using viscose-wool felt. Rectangular RIS was used as a reflector to improve the antenna gain and bandwidth to address well known crucial challenges—maintaining gain while reducing mutual coupling in MIMO antennas. The RIS unit cell was designed to achieve inductive impedance at the center frequency of 2.45 GHz with a reflection phase of 177.6°. The improved bandwidth of 170 MHz was achieved by using a square shaped RIS under a rectangular patch antenna, and this also helped to attain an additional gain of 1.29 dBi. When the antenna was implemented as MIMO, a split ring resonator backed by strip line type EBG was used to minimize the mutual coupling between the antenna elements. The EBG offered a sufficient band gap region from 2.37 GHz to 2.63 GHz. Prior to fabrication, bending analysis was carried out to validate the performance of the reflection coefficient (<i<S</i<<sub<11</sub<) and transmission coefficient (<i<S</i<<sub<21</sub<). The results of the analysis show that bending conditions have very little impact on antenna performance in terms of S-parameters. The effect of strip line supported SRR-based EBG was further analyzed with the fabricated prototype to clearly show the advantage of the designed EBG towards the mutual coupling reduction. The designed MIMO-RIS-EBG array-based antenna revealed an <i<S</i<<sub<21</sub< reduction of −9.8 dB at 2.45 GHz frequency with overall <i<S</i<<sub<21</sub< of <−40 dB. The results also indicated that the proposed SRR-EBG minimized the mutual coupling while keeping the mean effective gain (MEG) variations of <3 dB at the desired operating band. The specific absorption rate (SAR) analysis showed that the proposed design is not harmful to human body as the values are less than the regulated SAR. Overall, the findings in this study indicate the potential of the proposed MIMO antenna for microwave applications in a wearable format.
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container_issue	10, p 1989
title_short	Combined RIS and EBG Surfaces Inspired Meta-Wearable Textile MIMO Antenna Using Viscose-Wool Felt
url	https://doi.org/10.3390/polym14101989 https://doaj.org/article/1a1474ae377c401899d7b807b00db47e https://www.mdpi.com/2073-4360/14/10/1989 https://doaj.org/toc/2073-4360
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