Circularly Polarized Helical Antenna for ISM-Band Ingestible Capsule Endoscope Systems
A multilayer miniaturized circularly polarized (CP) helical antenna is designed and experimentally demonstrated for industrial, scientific, and medical (ISM) (2.4-2.48 GHz) ingestible capsule endoscope systems. The proposed antenna is composed of three open loops at various layers connected by via h...
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| Veröffentlicht in: | IEEE transactions on antennas and propagation 2014-12, Vol.62 (12), p.6027-6039 |
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| container_issue | 12 |
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| container_title | IEEE transactions on antennas and propagation |
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| creator | Liu, Changrong Guo, Yong-Xin Xiao, Shaoqiu |
| description | A multilayer miniaturized circularly polarized (CP) helical antenna is designed and experimentally demonstrated for industrial, scientific, and medical (ISM) (2.4-2.48 GHz) ingestible capsule endoscope systems. The proposed antenna is composed of three open loops at various layers connected by via holes to form an axial-mode helical structure to generate traveling wave radiation. A one-layer muscle phantom model is used for initial design and optimization. The footprint of the proposed antenna is π×(5.5) 2 ×3.81 mm 3 . The simulated and measured impedance bandwidth is over 40% and 26% in the one-layer muscle phantom, respectively. The simulated axial ratio (AR) bandwidth is around 33.3%. The CP purity of the proposed antenna is calculated by comparing the communication link levels for two orthogonal polarizations. Additionally, electrical components are modeled inside the capsule to evaluate the effects on the antenna performance. CST voxel Gustav human body is utilized to study the design in a realistic environment. Finally, an omnidirectional CP exterior antenna is designed and the communication link is evaluated. |
| doi_str_mv | 10.1109/TAP.2014.2364074 |
| format | Article |
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The proposed antenna is composed of three open loops at various layers connected by via holes to form an axial-mode helical structure to generate traveling wave radiation. A one-layer muscle phantom model is used for initial design and optimization. The footprint of the proposed antenna is π×(5.5) 2 ×3.81 mm 3 . The simulated and measured impedance bandwidth is over 40% and 26% in the one-layer muscle phantom, respectively. The simulated axial ratio (AR) bandwidth is around 33.3%. The CP purity of the proposed antenna is calculated by comparing the communication link levels for two orthogonal polarizations. Additionally, electrical components are modeled inside the capsule to evaluate the effects on the antenna performance. CST voxel Gustav human body is utilized to study the design in a realistic environment. Finally, an omnidirectional CP exterior antenna is designed and the communication link is evaluated.</description><identifier>ISSN: 0018-926X</identifier><identifier>EISSN: 1558-2221</identifier><identifier>DOI: 10.1109/TAP.2014.2364074</identifier><identifier>CODEN: IETPAK</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>and medical (ISM) ; Antennas ; capsule endoscope system ; Circularity ; Circularly polarized antenna ; communication link ; Computer simulation ; Control systems ; Design ; Design engineering ; Dipole antennas ; Endoscopes ; helical antenna ; Helical antennas ; implantable antenna ; industrial ; link margin ; Links ; Muscles ; Phantoms ; Reflection coefficient ; Resonant frequency ; scientific ; small antenna</subject><ispartof>IEEE transactions on antennas and propagation, 2014-12, Vol.62 (12), p.6027-6039</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Dec 2014</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c324t-fa1875b20b8b341ca55dafe8b3226082712560dcb6492c0df61eb037571a9cb23</citedby><cites>FETCH-LOGICAL-c324t-fa1875b20b8b341ca55dafe8b3226082712560dcb6492c0df61eb037571a9cb23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6930757$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6930757$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Liu, Changrong</creatorcontrib><creatorcontrib>Guo, Yong-Xin</creatorcontrib><creatorcontrib>Xiao, Shaoqiu</creatorcontrib><title>Circularly Polarized Helical Antenna for ISM-Band Ingestible Capsule Endoscope Systems</title><title>IEEE transactions on antennas and propagation</title><addtitle>TAP</addtitle><description>A multilayer miniaturized circularly polarized (CP) helical antenna is designed and experimentally demonstrated for industrial, scientific, and medical (ISM) (2.4-2.48 GHz) ingestible capsule endoscope systems. The proposed antenna is composed of three open loops at various layers connected by via holes to form an axial-mode helical structure to generate traveling wave radiation. A one-layer muscle phantom model is used for initial design and optimization. The footprint of the proposed antenna is π×(5.5) 2 ×3.81 mm 3 . The simulated and measured impedance bandwidth is over 40% and 26% in the one-layer muscle phantom, respectively. The simulated axial ratio (AR) bandwidth is around 33.3%. The CP purity of the proposed antenna is calculated by comparing the communication link levels for two orthogonal polarizations. Additionally, electrical components are modeled inside the capsule to evaluate the effects on the antenna performance. CST voxel Gustav human body is utilized to study the design in a realistic environment. Finally, an omnidirectional CP exterior antenna is designed and the communication link is evaluated.</description><subject>and medical (ISM)</subject><subject>Antennas</subject><subject>capsule endoscope system</subject><subject>Circularity</subject><subject>Circularly polarized antenna</subject><subject>communication link</subject><subject>Computer simulation</subject><subject>Control systems</subject><subject>Design</subject><subject>Design engineering</subject><subject>Dipole antennas</subject><subject>Endoscopes</subject><subject>helical antenna</subject><subject>Helical antennas</subject><subject>implantable antenna</subject><subject>industrial</subject><subject>link margin</subject><subject>Links</subject><subject>Muscles</subject><subject>Phantoms</subject><subject>Reflection coefficient</subject><subject>Resonant frequency</subject><subject>scientific</subject><subject>small antenna</subject><issn>0018-926X</issn><issn>1558-2221</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkM9LwzAYhoMoOKd3wUvBi5fOL1_SX8dZphtMHGyKt5KmqXRkaU3aw_zrzdjw4Onlg-f9eHkIuaUwoRSyx810NUGgfIIs5pDwMzKiUZSGiEjPyQiApmGG8ecluXJu60-ecj4iH3lj5aCF1ftg1fpsflQVzJVupNDB1PTKGBHUrQ0W69fwSZgqWJgv5fqm1CrIRecGnzNTtU62nQrWe9ernbsmF7XQTt2cckzen2ebfB4u314W-XQZSoa8D2tB0yQqEcq0ZJxKEUWVqJU_EGNIMaEYxVDJMuYZSqjqmKoSWBIlVGSyRDYmD8e_nW2_Bz-r2DVOKq2FUe3gChpHlCNCdkDv_6HbdrDGr_MUZpgyDuApOFLSts5ZVRedbXbC7gsKxUF04UUXB9HFSbSv3B0rjVLqD48zBn4n-wUpkngI</recordid><startdate>201412</startdate><enddate>201412</enddate><creator>Liu, Changrong</creator><creator>Guo, Yong-Xin</creator><creator>Xiao, Shaoqiu</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><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>201412</creationdate><title>Circularly Polarized Helical Antenna for ISM-Band Ingestible Capsule Endoscope Systems</title><author>Liu, Changrong ; Guo, Yong-Xin ; Xiao, Shaoqiu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c324t-fa1875b20b8b341ca55dafe8b3226082712560dcb6492c0df61eb037571a9cb23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>and medical (ISM)</topic><topic>Antennas</topic><topic>capsule endoscope system</topic><topic>Circularity</topic><topic>Circularly polarized antenna</topic><topic>communication link</topic><topic>Computer simulation</topic><topic>Control systems</topic><topic>Design</topic><topic>Design engineering</topic><topic>Dipole antennas</topic><topic>Endoscopes</topic><topic>helical antenna</topic><topic>Helical antennas</topic><topic>implantable antenna</topic><topic>industrial</topic><topic>link margin</topic><topic>Links</topic><topic>Muscles</topic><topic>Phantoms</topic><topic>Reflection coefficient</topic><topic>Resonant frequency</topic><topic>scientific</topic><topic>small antenna</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Changrong</creatorcontrib><creatorcontrib>Guo, Yong-Xin</creatorcontrib><creatorcontrib>Xiao, Shaoqiu</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><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE transactions on antennas and propagation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Liu, Changrong</au><au>Guo, Yong-Xin</au><au>Xiao, Shaoqiu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Circularly Polarized Helical Antenna for ISM-Band Ingestible Capsule Endoscope Systems</atitle><jtitle>IEEE transactions on antennas and propagation</jtitle><stitle>TAP</stitle><date>2014-12</date><risdate>2014</risdate><volume>62</volume><issue>12</issue><spage>6027</spage><epage>6039</epage><pages>6027-6039</pages><issn>0018-926X</issn><eissn>1558-2221</eissn><coden>IETPAK</coden><abstract>A multilayer miniaturized circularly polarized (CP) helical antenna is designed and experimentally demonstrated for industrial, scientific, and medical (ISM) (2.4-2.48 GHz) ingestible capsule endoscope systems. The proposed antenna is composed of three open loops at various layers connected by via holes to form an axial-mode helical structure to generate traveling wave radiation. A one-layer muscle phantom model is used for initial design and optimization. The footprint of the proposed antenna is π×(5.5) 2 ×3.81 mm 3 . The simulated and measured impedance bandwidth is over 40% and 26% in the one-layer muscle phantom, respectively. The simulated axial ratio (AR) bandwidth is around 33.3%. The CP purity of the proposed antenna is calculated by comparing the communication link levels for two orthogonal polarizations. Additionally, electrical components are modeled inside the capsule to evaluate the effects on the antenna performance. CST voxel Gustav human body is utilized to study the design in a realistic environment. Finally, an omnidirectional CP exterior antenna is designed and the communication link is evaluated.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TAP.2014.2364074</doi><tpages>13</tpages></addata></record> |
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| ispartof | IEEE transactions on antennas and propagation, 2014-12, Vol.62 (12), p.6027-6039 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | and medical (ISM) Antennas capsule endoscope system Circularity Circularly polarized antenna communication link Computer simulation Control systems Design Design engineering Dipole antennas Endoscopes helical antenna Helical antennas implantable antenna industrial link margin Links Muscles Phantoms Reflection coefficient Resonant frequency scientific small antenna |
| title | Circularly Polarized Helical Antenna for ISM-Band Ingestible Capsule Endoscope Systems |
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