NDLI: Characterising THz propagation and intrabody thermal absorption in iWNSNs

Content Provider	IET Digital Library
Author	Elayan, Hadeel Shubair, Raed M. Jornet, Josep M.
Abstract	Nanosized devices operating inside the human body will eventually facilitate transformative health monitoring and diagnosis systems. The interconnection of these implantable nanosensors forms an in vivo wireless nanosensor network (iWNSN), which allows autonomous data transmission and enables sensing, coordination, and control among its entities. In specific, with the development of miniature plasmonic signal sources, antennas and detectors, wireless communications among nanodevices points towards the terahertz band (0.1–10 THz) as a suitable platform and feasible wireless range to initiate intrabody communication. In this study, a rigorous channel model for intrabody communication in iWNSNs is developed. The total path loss is computed by taking into account the contribution of the spreading of the propagating wave, molecular absorption from human tissues, as well as scattering from both small and large body particles. The presented model is further complemented by investigating the photo-thermal interactions which arise from absorption at the THz frequency band. The aforementioned study which analyzes the propagation of electromagnetic signals inside the human body is fundamental to assess the feasibility of the THz frequency band, determine the requirements and controlling parameters of a THz intrabody system as well as highlight the health issues correlated with operating at such frequencies.
Starting Page	525
Ending Page	532
Page Count	8
ISSN	17518725
Volume Number	12
e-ISSN	17518733
Issue Number	Issue 4, Mar (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/12/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2017.0603
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2018-01-18
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Antenna Autonomous Data Transmission Biological Tissues Biomedical Communication Biomedical Effect Biomedical Measurement And Imaging Body Sensor Network Channel Model Detectors Electromagnetic Signal Propagation Analysis Electromagnetic Wave Absorption Health Issues Healthcare Human Tissues In Vivo Wireless Nanosensor Network Intrabody Communication Intrabody Particle Intrabody Thermal Absorption IWNSN MEMS And NEMS Device Technology Microsensors And Nanosensors Miniature Plasmonic Signal Source Molecular Absorption Nanosensor Nanosized Device Patient Diagnosis Patient Monitoring Photothermal Interactions Propagating Wave Radio Wave Propagation Single Antenna Submillimetre Wave Antenna Terahertz Propagation Characterization Total Path Loss Transformative Health Diagnosis System Transformative Health Monitoring System Wireless Channel Wireless Communication Wireless Sensor Network
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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