The Energy Absorbed in the Human Head Due to Ring-Type Jewelry and Face-Illuminating Mobile Phones Using a Dipole and a Realistic Source
The effect of facial ring jewelry is investigated on the energy absorbed in the head when illuminated by communications-enabled personal data assistant (PDA)-type devices. We study the relative changes in specific absorption rates in the head due to perturbing metallic rings in proximity to the face...
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| Veröffentlicht in: | IEEE transactions on antennas and propagation 2008-12, Vol.56 (12), p.3812-3817 |
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| container_issue | 12 |
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| container_title | IEEE transactions on antennas and propagation |
| container_volume | 56 |
| creator | Whittow, W.G. Panagamuwa, C.J. Edwards, R.M. Vardaxoglou, J. |
| description | The effect of facial ring jewelry is investigated on the energy absorbed in the head when illuminated by communications-enabled personal data assistant (PDA)-type devices. We study the relative changes in specific absorption rates in the head due to perturbing metallic rings in proximity to the face illuminated by a 1.8 GHz dipole and a monopole on a conducting box. Simple and complex head models used in a validated finite-difference time-domain (FDTD) simulation are compared with measurements from an industry standard DASY4 SAR measurement system. Both simulation and measurement are referred to the IEEE specific anthropomorphic mannequin head. Results show that metallic rings may alter specific absorption rates (SAR) level distributions within the head. Results are given for several common ring sizes. |
| doi_str_mv | 10.1109/TAP.2008.2007353 |
| format | Article |
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We study the relative changes in specific absorption rates in the head due to perturbing metallic rings in proximity to the face illuminated by a 1.8 GHz dipole and a monopole on a conducting box. Simple and complex head models used in a validated finite-difference time-domain (FDTD) simulation are compared with measurements from an industry standard DASY4 SAR measurement system. Both simulation and measurement are referred to the IEEE specific anthropomorphic mannequin head. Results show that metallic rings may alter specific absorption rates (SAR) level distributions within the head. Results are given for several common ring sizes.</description><identifier>ISSN: 0018-926X</identifier><identifier>EISSN: 1558-2221</identifier><identifier>DOI: 10.1109/TAP.2008.2007353</identifier><identifier>CODEN: IETPAK</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Antennas ; Applied sciences ; Computer simulation ; DASY4 ; Devices ; Dipoles ; Ear ; Equipments and installations ; Exact sciences and technology ; Face ; Finite difference method ; Finite difference methods ; finite-difference time-domain (FDTD) ; Humans ; Implants ; Jewelry ; Magnetic heads ; Mannequins ; metallic jewelry ; Mobile communication ; Mobile handsets ; Mobile radiocommunication systems ; personal data assistant (PDA) ; Radiocommunications ; Services and terminals of telecommunications ; Specific absorption rate ; specific absorption rates (SAR) ; Synthetic aperture radar ; Systems, networks and services of telecommunications ; Telecommunications ; Telecommunications and information theory ; Telephone. 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We study the relative changes in specific absorption rates in the head due to perturbing metallic rings in proximity to the face illuminated by a 1.8 GHz dipole and a monopole on a conducting box. Simple and complex head models used in a validated finite-difference time-domain (FDTD) simulation are compared with measurements from an industry standard DASY4 SAR measurement system. Both simulation and measurement are referred to the IEEE specific anthropomorphic mannequin head. Results show that metallic rings may alter specific absorption rates (SAR) level distributions within the head. Results are given for several common ring sizes.</description><subject>Antennas</subject><subject>Applied sciences</subject><subject>Computer simulation</subject><subject>DASY4</subject><subject>Devices</subject><subject>Dipoles</subject><subject>Ear</subject><subject>Equipments and installations</subject><subject>Exact sciences and technology</subject><subject>Face</subject><subject>Finite difference method</subject><subject>Finite difference methods</subject><subject>finite-difference time-domain (FDTD)</subject><subject>Humans</subject><subject>Implants</subject><subject>Jewelry</subject><subject>Magnetic heads</subject><subject>Mannequins</subject><subject>metallic jewelry</subject><subject>Mobile communication</subject><subject>Mobile handsets</subject><subject>Mobile radiocommunication systems</subject><subject>personal data assistant (PDA)</subject><subject>Radiocommunications</subject><subject>Services and terminals of telecommunications</subject><subject>Specific absorption rate</subject><subject>specific absorption rates (SAR)</subject><subject>Synthetic aperture radar</subject><subject>Systems, networks and services of telecommunications</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Telephone. Videophone</subject><subject>Time domain analysis</subject><issn>0018-926X</issn><issn>1558-2221</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqFkUtv1DAUhSMEEkNhj8TGQoKuUvxKYi9HfTBFRVRlKrGzbOemdeWxp3YiNP-gPxtHM-qCBWxs-fo7996jU1XvCT4hBMsv6-X1CcVYzEfHGvaiWpCmETWllLysFhgTUUva_npdvcn5oTy54HxRPa3vAZ0HSHc7tDQ5JgM9cgGNpbyaNjqgFegenU2AxohuXLir17stoG_wG3zaIR16dKEt1JfeTxsX9FgQ9D0a5wFd38cAGd3muabRmdvGUp0lGt2A9i6PzqKfcUoW3lavBu0zvDvcR9Xtxfn6dFVf_fh6ebq8qi1vurGmprfFl-GS2maghmFoLAPDuJG9bWjXNoYNlrW45VJqLotTSkRLbc-poZodVcf7vtsUHyfIo9q4bMF7HSBOWUnMWs4Zkf8lhSgzBG9pIT__k2Scl204K-DHv8CHYj4Uv0oSynBH8TwX7yGbYs4JBrVNbqPTThGs5qxVyVrNWatD1kXy6dBXZ6v9kHSwLj_raFEJIkXhPuw5BwDP37wjAlPC_gBPXa-f</recordid><startdate>20081201</startdate><enddate>20081201</enddate><creator>Whittow, W.G.</creator><creator>Panagamuwa, C.J.</creator><creator>Edwards, R.M.</creator><creator>Vardaxoglou, J.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Videophone</topic><topic>Time domain analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Whittow, W.G.</creatorcontrib><creatorcontrib>Panagamuwa, C.J.</creatorcontrib><creatorcontrib>Edwards, R.M.</creatorcontrib><creatorcontrib>Vardaxoglou, J.</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>Pascal-Francis</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>Whittow, W.G.</au><au>Panagamuwa, C.J.</au><au>Edwards, R.M.</au><au>Vardaxoglou, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Energy Absorbed in the Human Head Due to Ring-Type Jewelry and Face-Illuminating Mobile Phones Using a Dipole and a Realistic Source</atitle><jtitle>IEEE transactions on antennas and propagation</jtitle><stitle>TAP</stitle><date>2008-12-01</date><risdate>2008</risdate><volume>56</volume><issue>12</issue><spage>3812</spage><epage>3817</epage><pages>3812-3817</pages><issn>0018-926X</issn><eissn>1558-2221</eissn><coden>IETPAK</coden><abstract>The effect of facial ring jewelry is investigated on the energy absorbed in the head when illuminated by communications-enabled personal data assistant (PDA)-type devices. We study the relative changes in specific absorption rates in the head due to perturbing metallic rings in proximity to the face illuminated by a 1.8 GHz dipole and a monopole on a conducting box. Simple and complex head models used in a validated finite-difference time-domain (FDTD) simulation are compared with measurements from an industry standard DASY4 SAR measurement system. Both simulation and measurement are referred to the IEEE specific anthropomorphic mannequin head. Results show that metallic rings may alter specific absorption rates (SAR) level distributions within the head. Results are given for several common ring sizes.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TAP.2008.2007353</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Antennas Applied sciences Computer simulation DASY4 Devices Dipoles Ear Equipments and installations Exact sciences and technology Face Finite difference method Finite difference methods finite-difference time-domain (FDTD) Humans Implants Jewelry Magnetic heads Mannequins metallic jewelry Mobile communication Mobile handsets Mobile radiocommunication systems personal data assistant (PDA) Radiocommunications Services and terminals of telecommunications Specific absorption rate specific absorption rates (SAR) Synthetic aperture radar Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Telephone. Videophone Time domain analysis |
| title | The Energy Absorbed in the Human Head Due to Ring-Type Jewelry and Face-Illuminating Mobile Phones Using a Dipole and a Realistic Source |
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