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32nd International Union of Radio Science General Assembly & Scientific Symposium * Montreal, Canada * 19-27 August 2017 Home Page

Scientific Program - Commission K

Commission K Chair:
Prof. Joe Wiart;

Commission K - Tutorial

Tahera Emilie van Deventer - "International EMF Project to Assess Health and Environmental Effects of Exposure to Static and Time Varying Electric and Magnetic Fields in the Frequency Range 0-300 GHz."

Convener: Joe Wiart

The processes for assessing health risks and developing exposure guidelines for electromagnetic fields have evolved to reflect the rigorous and systematic use of evidence as the basis for public health policies. This talk will provide an update on the activities of the World Health Organization and address the opportunities and challenges faced in analyzing the current scientific evidence and in developing standards that are useful to and applicable by regulatory authorities.

Commission K - "Biological Effects and Related Mechanisms of EMF Exposure"

Conveners: Guglielmo d'Inzeo, Alexandre Legros

The experimental and theoretical assessment of possible health hazards resulting from non-ionising electromagnetic fields is central from a health and safety perspective. In spite of the long history of this research, there are still uncertainties concerning the thresholds for acute neurophysiological effects, as well as for possible biological effects due to low level exposures. New approaches for breakthrough have been conducted to obtain scientific evidences for or against those possible effects. Studies have been in general in focusing on frequencies and waveforms used for electric power transmission and for wireless communications. New technologies using different frequencies and waveforms aiming for translational applications have also emerged. Moreover, the possible beneficial use of electromagnetic field effects has become of more interest for the development of novel applications in biotechnology and medicine. This session calls for papers on recent developments of theoretical and experimental studies on biological effects of electromagnetic fields using various and innovative scientific approaches.

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Commission K - "Biomedical Applications of Low Frequency (including IF) EMF"

Conveners: Frank Prato, Terry Thompson

This session focuses on recent advances of static, ELF, and pulsed magnetic field applications in imaging and therapy including but not limited to: TMS (Transcranial Magnetic Stimulation), DBS (Deep Brain Stimulation), MRI (Magnetic Resonance Imaging), and MPI (Magnetic Particle Imaging)

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Commission K - "Therapeutic Application of RF EMF"

Conveners: Luis Mir, Koichi Ito

This session is devoted to recent progress in therapeutic applications of electromagnetic radiation ranging from radio waves to infrared. Specific applications would include ablation, coagulation, hyperthermia, oncothermia, and other biomedical applications involving tissue temperature elevation. Basic, applied and clinical research papers are welcome.

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Commission K - "Biomedical Applications and EMF Exposure of IoT"

Conveners: Shoogo Ueno, Nam Kim

Biomedical applications of electromagnetic fields (EMFs) have been widely studied for medicine and basic research. The introduction of "the Internet of Things (IoT)" has triggered a new era of global society where the Internet is connected to physical world via ubiquitous sensors. This session focuses on topics in recent advances in biomedical applications and EMF exposure of IoT. The topics include transcranial magnetic stimulation (TMS), deep brain stimulation (DBS), transcranial direct current stimulation (tDCS), magnetic resonance imaging (MRI), regenerative medicine, and other diagnostic and therapeutic applications using electromagnetic techniques. The brain-machine interface, remote healthcare systems, and other biomedical applications are also discussed. Assessments and safety aspects of EMF exposures of IoT are also focused.

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Commission K - "EMF Standards and Health Protection"

Conveners: Akimasa Hirata, Kenneth Foster

The electromagnetic environment has become more and more complex due to the development of emerging wireless technologies. This session highlights the recent knowledge about exposure from environmental electromagnetic fields in the real world, which is related to human health. It will also handle the EMF standardization activities regarding assessment methods for the recently emerging wireless devices.

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Commission K - "EMF Exposure Assessment and Dosimetry for New Technologies (WPT)"

Conveners: Teruo Onishi, Samyoung Chung

Wireless power transfer attracts attentions of researchers and engineers in various fields with expectation to become a common technology of practical use. Safety issue should be investigated prior to the introduction to daily lives. This session deals with interaction of electromagnetic fields emitted from wireless power transfer systems with human body or medical equipment and EMF reduction technologies of WPT system as well. Aside from the WPT, newly introduced technologies, such as LTE-Advanced carrier aggregation technologies, MIMO, etc. which basically use the RF frequencies should be considered in this session to share research activities to find out more elaborate assessment methods.

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Commission K - "EMF Exposure Assessment and Dosimetry and EMC for WBAN and Implanted Devices"

Conveners: Jianquing Wang, Ping Jack Soh

The introduction of Wireless Body Area Networks (WBAN) for various applications in healthcare and medical monitoring, emergency response, search and rescue, military, etc. have triggered an extensive research effort into utilizing flexible and bio-compatible materials towards realizing an on- or in-body system setup. However, placement of such radiating structures inside or in close-proximity to the human user poses various challenges, especially when a reliable link is needed for a biomedical monitoring system. Besides being able to predict and cater to the variation in worn/implanted device's performance, there is a large possibility that the electromagnetic (EM) sources generated by such devices will be absorbed by the human tissue. This then raises concerns of the safety of such devices for use in the on- or in-body environments. One of the most investigated parameter in determining a safe operation for such devices is the specific absorption rate (SAR). Regulatory compliance of communication devices typically involves those made from conventional printed circuit boards (PCB) operating near the human head or hands. Several examples of recent techniques for SAR reduction in wearable devices are by using ferrites, electromagnetic bandgap structures (EBG), or resistive sheets. Besides in the human body or head, SAR levels in unique body tissues such as the human eye, in a fetus in a pregnant woman, etc. due to these devices is becoming more important. Another important issue is the electromagnetic compatibility (EMC), due to the environmental EM fields, which may cause significant interference with the WBAN and implanted devices. Their safe use without malfunction is especially essential in the healthcare and medical applications. The objective of this convened session is to present state-of-the art research related to EM dosimetry and EMC for WBAN antennas and devices. This topic is already of increasing importance, which also fits the focus areas of the URSI General Assembly (URSI-GASS) and URSI Commission K.

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Commission K - "Electromagnetic Biomedical Imaging"

Conveners: Joe LoVetri, Milica Popovic

This session is devoted to non-ionizing electromagnetic (and hybrid-electromagnetic) systems for breast imaging, tissue characterization, and the detection/identification of tumors. Much progress has been made on the development of such systems ranging from very low frequencies all the way up to optical frequencies. Examples include electrical impedance tomography, microwave imaging, near-infrared tomography, and THz imaging. Specific topics of interest include, but are not limited to, tomographic and other image construction algorithms and experimental results from laboratory and clinical imaging systems. Breast imaging is the principal topic but other applications of similar principle are also acceptable.

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Commission K - "Latest Development in Measurement and Applications of Dielectric Spectroscopy"

Conveners: Theodore Samaras, Niels Kuster

Measurements and biomedical applications of dielectric spectroscopy, including the difficulties in measuring tissue properties at the two extremes of the spectrum (static-LF and mmW), the calibration techniques/liquids proposed, tissue mimicking materials for experimental phantoms, medical applications of dielectric spectroscopy (cancerous/healthy tissue distinction), use of dielectric properties of skin in cosmetology (aesthetic medicine) etc.

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Commission K - "Open Session"

Conveners: Joe Wiart, Samyoung Chung

This session will accept any papers falling within the terms of reference of Commission K and not covered elsewhere.

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Commissions KBE - "Uncertainty Management and Stochastic Methods in Experimental and Numerical Electromagnetism, Environmental Exposure Assessment and Dosimetry"

Conveners: Joe Wiart, Tonging Wu, Ari Sihvola, Gabriele Gradoni

The increasing use of RF wireless communication system is supported by complex and agile technologies and network architectures. It has also induced large variability of usages. The management of such complexity has requested innovative approaches experimental and Numerical Electromagnetism, environmental exposure assessment and dosimetry. This session is devoted to recent progress and application of methods based on advanced statistical methods (e.g., Surrogate modelling, Polynomial Chaos, Kriging, Machine Learning, Sensibility analysis, etc. ) in experimental and Numerical Electromagnetism and dosimetry

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Commissions KBF - Electromagnetic Inversion for Biomedical, Geophysical, Non-destructive Testing, and Antenna Characterization Applications"

Conveners: Aria Abubakar, Puyan Mojabi

Electromagnetic inversion is the process by which some properties of an investigation domain are inferred from external electromagnetic observations. Several application areas, which span a wide range of frequencies from a few hertz to optical frequencies, utilize electromagnetic inversion algorithms and techniques to reconstruct the properties of interest, such as complex permittivity profiles of biological tissues, conductivity profiles in geophysical surveys, or equivalent current distributions of antennas. This special session is focused on bringing together recent advances in quantitative electromagnetic inverse scattering and inverse source algorithms/techniques in these application areas to enhance the achievable reconstruction accuracy, resolution, or efficiency of the computational process. The enhancement can be obtained by methods such as properly incorporating prior information into the inversion algorithm, appropriate numerical modelling and calibration, and new advances in inversion algorithms.

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Commissions KC - "EM Human Exposure and Future 5G and LPWA Networks"

Conveners: Benoit Derat, Long Lee

Mobile communications sector is one of the strongest growing markets in the world. This growth is not expected to slow down with the proliferation of laptops, tablets, wearables and the variety of applications being supported by 5G communications, the Internet of Things (IoT) and Low Power Wide Area Networks (LPWA). Innovative technologies will allow the future networks to exceed the existing limitations in bandwidth, data rate and enable new applications and usages. Novel technologies and usages result in new challenges in assessing electromagnetic (EM) human exposure. The evaluation of EM exposure is discussed for conditions which involve frequencies higher than 6 GHz and up to several tens of GHz, uplink MIMO and beamforming or innovative devices or device usages. The resulting research and development for new phantoms, measurement techniques or numerical modeling approaches are central topics of this session.

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Commissions KE - "EMC in Biomedical Applications"

Conveners: Frank Gronwald, Lars Ole Fichte

Modern medical technology combines different engineering, scientific, technical, and medical knowledge to a field of activity which is indispensable for the health industry, one of the largest industrial sectors of the world. Due to its strong development, medical technology is counted among the ten high potential technologies of the 21st century. Since medical technology establishes a cross-disciplinary connection between medicine and the engineering sciences, this session welcomes submissions from the medical-instrument sector with EMC-related aspects of system engineering, electronics, sensor systems, computer and material sciences.

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Commissions FK - "Radio Wave Propagation Aspects in Body Area Networks"

Conveners: Slawomir Ambroziak, Luis M. Correia

Wireless Body Area Networks (WBANs) are playing an increasingly important role in the next generation of wireless systems, as they will allow for the integration of the various handheld and wearable devices with the surrounding environment and infrastructure. Thus, an important challenge is to increase the connection reliability of the in-, on- and off-body links. In order to boost the overall system performance, a good and deep understanding of the radio channel in WBANs is required. This has to be made possible by studying propagation channels via measurements, simulations and developing models considering various scenarios (e.g., antenna type and placement, body type, movements, and environments). This session will give the possibility to exchange views on various methodologies of channel modelling, including simulation and measurements, and to discuss approaches to integrate results in order to build flexible channel models for WBANs.