Wearable Dual-Band and Dual-Polarized Textile Antenna for On- and Off-Body Communications
A wearable all-textile microstrip patch antenna (MPA) operating in the dual bands of medical body area network (2.36-2.40 GHz) and WiMAX (3.4-3.6 GHz), is proposed for body-centric communications. The omnidirectional radiation pattern with linear polarization for on-body link and unidirectional radi...
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| Veröffentlicht in: | IEEE antennas and wireless propagation letters 2020-12, Vol.19 (12), p.2324-2328 |
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| creator | Yang, Hongcai Liu, Xiongying |
| description | A wearable all-textile microstrip patch antenna (MPA) operating in the dual bands of medical body area network (2.36-2.40 GHz) and WiMAX (3.4-3.6 GHz), is proposed for body-centric communications. The omnidirectional radiation pattern with linear polarization for on-body link and unidirectional radiation pattern with circular polarization for off-body link are achieved by introducing reactance loading into MPA. Notably, two pairs of shorting pins are employed to tune the TM 10 mode of MPA and generate a new mode of TM 00 , and by adjusting the spacing and radii of shorting pins, the required dual-band and dual-mode operation is achieved. Moreover, due to the adoption of textile (i.e., wool felt) as substrate and nylon conductive fabric as conductor, the antenna is flexible, totally conforming to the human body. The proposed MPA, with the dimensions of 70 mm × 70 mm × 2 mm (0.56λ 0 × 0.56λ 0 × 0.016λ 0 at 2.38 GHz), was fabricated and characterized. The measured results show that the reflection coefficient, radiation pattern, and gain of the antenna are slightly affected by structural deformation and human body loading. With merit characteristics, the proposed design can be well applied to wearable medical applications. |
| doi_str_mv | 10.1109/LAWP.2020.3032540 |
| format | Article |
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The omnidirectional radiation pattern with linear polarization for on-body link and unidirectional radiation pattern with circular polarization for off-body link are achieved by introducing reactance loading into MPA. Notably, two pairs of shorting pins are employed to tune the TM 10 mode of MPA and generate a new mode of TM 00 , and by adjusting the spacing and radii of shorting pins, the required dual-band and dual-mode operation is achieved. Moreover, due to the adoption of textile (i.e., wool felt) as substrate and nylon conductive fabric as conductor, the antenna is flexible, totally conforming to the human body. The proposed MPA, with the dimensions of 70 mm × 70 mm × 2 mm (0.56λ 0 × 0.56λ 0 × 0.016λ 0 at 2.38 GHz), was fabricated and characterized. The measured results show that the reflection coefficient, radiation pattern, and gain of the antenna are slightly affected by structural deformation and human body loading. With merit characteristics, the proposed design can be well applied to wearable medical applications.</description><identifier>ISSN: 1536-1225</identifier><identifier>EISSN: 1548-5757</identifier><identifier>DOI: 10.1109/LAWP.2020.3032540</identifier><identifier>CODEN: IAWPA7</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>All-textile ; Antenna measurements ; Antenna radiation patterns ; Antennas ; Body area networks ; body-centric communications ; Circular polarization ; Conductors ; Dual band ; Dual polarization (waves) ; dual-band and dual-mode operation ; Human body ; Linear polarization ; Loading ; Microstrip antennas ; Patch antennas ; Pins ; Reactance ; Reflectance ; Resonant frequency ; Substrates ; wearable antenna ; Wearable technology</subject><ispartof>IEEE antennas and wireless propagation letters, 2020-12, Vol.19 (12), p.2324-2328</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2020</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c293t-67313c2b3de5dfa707e8810e8a1210b4564e8f88a5c6248185bcf144f9d736ee3</citedby><cites>FETCH-LOGICAL-c293t-67313c2b3de5dfa707e8810e8a1210b4564e8f88a5c6248185bcf144f9d736ee3</cites><orcidid>0000-0003-4353-3950 ; 0000-0001-7414-1007</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9233940$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27903,27904,54736</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9233940$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Yang, Hongcai</creatorcontrib><creatorcontrib>Liu, Xiongying</creatorcontrib><title>Wearable Dual-Band and Dual-Polarized Textile Antenna for On- and Off-Body Communications</title><title>IEEE antennas and wireless propagation letters</title><addtitle>LAWP</addtitle><description>A wearable all-textile microstrip patch antenna (MPA) operating in the dual bands of medical body area network (2.36-2.40 GHz) and WiMAX (3.4-3.6 GHz), is proposed for body-centric communications. The omnidirectional radiation pattern with linear polarization for on-body link and unidirectional radiation pattern with circular polarization for off-body link are achieved by introducing reactance loading into MPA. Notably, two pairs of shorting pins are employed to tune the TM 10 mode of MPA and generate a new mode of TM 00 , and by adjusting the spacing and radii of shorting pins, the required dual-band and dual-mode operation is achieved. Moreover, due to the adoption of textile (i.e., wool felt) as substrate and nylon conductive fabric as conductor, the antenna is flexible, totally conforming to the human body. The proposed MPA, with the dimensions of 70 mm × 70 mm × 2 mm (0.56λ 0 × 0.56λ 0 × 0.016λ 0 at 2.38 GHz), was fabricated and characterized. The measured results show that the reflection coefficient, radiation pattern, and gain of the antenna are slightly affected by structural deformation and human body loading. With merit characteristics, the proposed design can be well applied to wearable medical applications.</description><subject>All-textile</subject><subject>Antenna measurements</subject><subject>Antenna radiation patterns</subject><subject>Antennas</subject><subject>Body area networks</subject><subject>body-centric communications</subject><subject>Circular polarization</subject><subject>Conductors</subject><subject>Dual band</subject><subject>Dual polarization (waves)</subject><subject>dual-band and dual-mode operation</subject><subject>Human body</subject><subject>Linear polarization</subject><subject>Loading</subject><subject>Microstrip antennas</subject><subject>Patch antennas</subject><subject>Pins</subject><subject>Reactance</subject><subject>Reflectance</subject><subject>Resonant frequency</subject><subject>Substrates</subject><subject>wearable antenna</subject><subject>Wearable technology</subject><issn>1536-1225</issn><issn>1548-5757</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kEtrwzAMgM3YYF23HzB2Cezszs_YObbdEwrtoaPsZJxEhpTU7pwE1v36JW3ZQUhCnyT4ELqnZEIpyZ4W081qwggjE044k4JcoBGVQmOppLocap5iypi8RjdNsyWEqlTyEfragI02ryF57myNZ9aXyRDHbhVqG6tfKJM1_LRVD019C97bxIWYLD0-okvn8CyUh2QedrvOV4Vtq-CbW3TlbN3A3TmP0efry3r-jhfLt4_5dIELlvEWp4pTXrCclyBLZxVRoDUloC1llORCpgK009rKImVCUy3zwlEhXFYqngLwMXo83d3H8N1B05pt6KLvXxomFOM0U4T2FD1RRQxNE8GZfax2Nh4MJWYwaAaDZjBozgb7nYfTTgUA_3zGOM_66R_KGWrq</recordid><startdate>20201201</startdate><enddate>20201201</enddate><creator>Yang, Hongcai</creator><creator>Liu, Xiongying</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-4353-3950</orcidid><orcidid>https://orcid.org/0000-0001-7414-1007</orcidid></search><sort><creationdate>20201201</creationdate><title>Wearable Dual-Band and Dual-Polarized Textile Antenna for On- and Off-Body Communications</title><author>Yang, Hongcai ; Liu, Xiongying</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c293t-67313c2b3de5dfa707e8810e8a1210b4564e8f88a5c6248185bcf144f9d736ee3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>All-textile</topic><topic>Antenna measurements</topic><topic>Antenna radiation patterns</topic><topic>Antennas</topic><topic>Body area networks</topic><topic>body-centric communications</topic><topic>Circular polarization</topic><topic>Conductors</topic><topic>Dual band</topic><topic>Dual polarization (waves)</topic><topic>dual-band and dual-mode operation</topic><topic>Human body</topic><topic>Linear polarization</topic><topic>Loading</topic><topic>Microstrip antennas</topic><topic>Patch antennas</topic><topic>Pins</topic><topic>Reactance</topic><topic>Reflectance</topic><topic>Resonant frequency</topic><topic>Substrates</topic><topic>wearable antenna</topic><topic>Wearable technology</topic><toplevel>online_resources</toplevel><creatorcontrib>Yang, Hongcai</creatorcontrib><creatorcontrib>Liu, Xiongying</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE antennas and wireless propagation letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Yang, Hongcai</au><au>Liu, Xiongying</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Wearable Dual-Band and Dual-Polarized Textile Antenna for On- and Off-Body Communications</atitle><jtitle>IEEE antennas and wireless propagation letters</jtitle><stitle>LAWP</stitle><date>2020-12-01</date><risdate>2020</risdate><volume>19</volume><issue>12</issue><spage>2324</spage><epage>2328</epage><pages>2324-2328</pages><issn>1536-1225</issn><eissn>1548-5757</eissn><coden>IAWPA7</coden><abstract>A wearable all-textile microstrip patch antenna (MPA) operating in the dual bands of medical body area network (2.36-2.40 GHz) and WiMAX (3.4-3.6 GHz), is proposed for body-centric communications. The omnidirectional radiation pattern with linear polarization for on-body link and unidirectional radiation pattern with circular polarization for off-body link are achieved by introducing reactance loading into MPA. Notably, two pairs of shorting pins are employed to tune the TM 10 mode of MPA and generate a new mode of TM 00 , and by adjusting the spacing and radii of shorting pins, the required dual-band and dual-mode operation is achieved. Moreover, due to the adoption of textile (i.e., wool felt) as substrate and nylon conductive fabric as conductor, the antenna is flexible, totally conforming to the human body. The proposed MPA, with the dimensions of 70 mm × 70 mm × 2 mm (0.56λ 0 × 0.56λ 0 × 0.016λ 0 at 2.38 GHz), was fabricated and characterized. The measured results show that the reflection coefficient, radiation pattern, and gain of the antenna are slightly affected by structural deformation and human body loading. With merit characteristics, the proposed design can be well applied to wearable medical applications.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/LAWP.2020.3032540</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0003-4353-3950</orcidid><orcidid>https://orcid.org/0000-0001-7414-1007</orcidid></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | All-textile Antenna measurements Antenna radiation patterns Antennas Body area networks body-centric communications Circular polarization Conductors Dual band Dual polarization (waves) dual-band and dual-mode operation Human body Linear polarization Loading Microstrip antennas Patch antennas Pins Reactance Reflectance Resonant frequency Substrates wearable antenna Wearable technology |
| title | Wearable Dual-Band and Dual-Polarized Textile Antenna for On- and Off-Body Communications |
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