Effects of dielectric parameters of human body on radiation characteristics of ingestible wireless device at operating frequency of 430 MHz

IEEE Transactions on Biomedical Engineering

Volumn 56, Issue 8, 2009, Pages 2083-2094

  Xu, Lisheng ^a   Meng, Max Q H ^b   Chan, Yawen ^b  

^a NORTHEASTERN UNIVERSITY   (China)

^b CHINESE UNIVERSITY OF HONG KONG   (Hong Kong)

Author keywords

Finite difference time domain (FDTD); Ingestible wireless device (IWD); Radiation characteristics; Specific absorption rate (SAR)

Indexed keywords

BODY MODELS; DIELECTRIC PARAMETERS; DIELECTRIC VALUES; FINITE-DIFFERENCE TIME DOMAIN (FDTD); HUMAN BODIES; HUMAN BODY MODELS; HUMAN BODY TISSUES; INGESTIBLE WIRELESS DEVICE (IWD); INPUT POWER; OPERATING FREQUENCY; RADIATION CHARACTERISTICS; RADIATION INTENSITY; RELATIVE PERMITTIVITY; SPECIFIC ABSORPTION RATE; SPECIFIC ABSORPTION RATE (SAR); WIRELESS DEVICES;

ABSORPTION; ELECTROMAGNETIC WAVE ABSORPTION; FINITE DIFFERENCE TIME DOMAIN METHOD; HISTOLOGY; METHOD OF MOMENTS; PERMITTIVITY; RADIATION EFFECTS; RADIO; SYNTHETIC APERTURES; UNCERTAINTY ANALYSIS;

ELECTROMAGNETIC FIELD EFFECTS;

ABDOMEN; ARTICLE; BIOLOGICAL MODEL; CONDUCTANCE; CONTROLLED STUDY; DEVICE; DIELECTRIC CONSTANT; ELECTRIC FIELD; ELECTROMAGNETIC RADIATION; FREQUENCY ANALYSIS; QUANTITATIVE ANALYSIS; RADIATION ABSORPTION; RISK ASSESSMENT; SIMULATION; SMALL INTESTINE;

ABDOMEN; ELECTRIC IMPEDANCE; ELECTROMAGNETIC FIELDS; FEMALE; GASTROINTESTINAL TRACT; HUMANS; MALE; MODELS, BIOLOGICAL; PHANTOMS, IMAGING; PROSTHESES AND IMPLANTS; SIGNAL PROCESSING, COMPUTER-ASSISTED;

EID: 68049137665     PISSN: 00189294     EISSN: None     Source Type: Journal    
DOI: 10.1109/TBME.2009.2021157     Document Type: Article

References (41)

1. P. S. Hall and H. Yang, Antennas and Propagation for Body-centric Wireless Communications. London, U.K.: Artech House, 2006.
2. G. Z. Yang, Body Sensor Networks. New York: Springer-Verlag, 2006.
3. IEEE Standard for Safety Levels With Respect to Human Exposure to Radiofrequency Electromagnetic Fields, 3 kHz to 300 GHz, IEEE Standard C95.1, 1999, revised 2005.
4. ICNIRP (International Commission on Non-Ionizing Radiation Protection), "Guidelines for limiting exposure to time-varying electric, magnetic, and electromagnetic fields (up to 300 GHz)," Health Phys., vol. 74, pp. 494-522, 1998.
5. H. Virtanen1, J. Keshvari, and R. Lappalainen, "The effect of authentic metallic implants on the SAR distribution of the head exposed to 900, 1800 and 2450 MHz dipole near field," Phys. Med. Biol., vol. 52, pp. 1221-1236, 2007.
6. G.D. Meron, "The development of the swallowable video capsule (M2A)," Gastrointest. Endosc., vol. 52, pp. 817-819, Dec. 2000.
7. E. A. Johannessen, L.Wang, L. Cui, T. B. Tang, M. Ahmadian, A. Astaras, S. W. J. Reid, P. S. Yam, A. F. Murray, B. W. Flynn, S. P. Beaumont, D. R. S. Cumming, and J. M. Cooper, "Implementation of multichannel sensors for remote biomedical measurements in a microsystems format," IEEE Trans. Biomed. Eng., vol. 51, no. 3, pp. 525-535, Mar. 2004.
8. K.-W. Yoon, S.-H. Woo, J.-H. Lee, Y.-H. Yoon, M.-K. Kim, C.-H. Won, H.-C. Choi, and J.-H. Cho, "Telemetry capsule for pressure monitoring in the gastrointestinal tract," IEICE Trans. Fundam., vol. E89-A, no. 6, pp. 1699-1670, Jun. 2006.
9. J. E. Pandolfino, J. E. Richter, T. Ours, J. M. Guardino, J. Chapman, and P. J. Kahrilas, "Ambulatory esophageal pH monitoring using a wireless system," Amer. J. Gastroenterol., vol. 98, no. 4, pp. 740-749, 2003.
10. D.Werber,A. Schwentner, and E. M. Biebl, "Investigation of RF transmission properties of human tissues," Adv. Radio Sci., vol. 4, pp. 357-360, 2006.
11. R. S. Yahya and J. H. Kim, "Implanted antennas in medical wireless communications," Synth. Lect. Antennas, vol. 1, no. 1, pp. 1-82, 2006.
12. L. C. Chirwa, P. A. Hammond, S. Roy, and D. R. Cumming, "Electromagnetic radiation from ingested sources in the human intestine between 150 MHz and 1.2 GHz," IEEE Trans. Biomed. Eng., vol. 50, no. 4, pp. 484-492, Apr. 2003.
13. Y. W. Chan, Q. H. Meng, K. L. Wu, and X. N. Wang, "Experimental study of radiation efficiency from an ingested source inside a human body model," in Proc. 27th Annu. Int. Conf. IEEE Eng. Med. Biol. Soc., 2005, pp. 7754-7757.
14. H. Vanderveldt and J. Barkin, "Capsule endoscopy: A primer for the endoscopist: Ten ways to prevent capsule retention and delayed passage," Tech. Gastrointest. Endosc., vol. 8, no. 4, pp. 164-168, Oct. 2006.
15. L. S. Xu, M. Q.-H. Meng, H. L. Ren, and Y. W. Chan, "Radiation characteristics of ingestible wireless devices in human intestine following radio frequency exposure at 430, 800, 1200 and 2400 MHz," IEEE Trans. Antennas Propag., DOI: 10.1109/TAP.2009.2024459
16. J. Z. Bao, S. T. Lu, and W. D. Hurt, "Complex dielectric measurements and analysis of brain tissues in the radio and microwave frequencies," IEEE Trans. Microw. Theory Tech., vol. 45, no. 10, pp. 1730-1741, Oct. 1997.
17. C. Gabriel and A. Peyman, "Dielectric measurement: error analysis and assessment of uncertainty," Phys. Med. Biol., vol. 51, pp. 6033-6046, 2006.
18. G. Schmid, G. Neubauner, M. I. Udo, and A. Francois, "Dielectric properties of porcine brain tissue in the transition from life to death at frequencies from 800 to 1900 MHz," Bioelectromagnetics, vol. 24, pp. 413-422, 2003.
19. A. Peyman, S. J. Holden, S. Watts, R. Perrott, and C. Gabriel, "Dielectric properties of porcine cerebrospinal tissues at microwave frequencies: in vivo, in vitro and systematic variation with age," Phys. Med. Biol., vol. 52, pp. 2229-2245, 2007.
20. A. Peyman, A. Rezazadeh, and C. Gabriel, "Changes in the dielectric properties of rat tissue as a function of age at microwave frequencies," Phys. Med. Biol., vol. 46, pp. 1617-1629, 2001.
21. J. Q.Wang, O. Fujiwara, and S.Watanabe, "Approximation of aging effect on dielectric tissue properties for SAR assessment of mobile telephones," IEEE Trans. Electromagn. Compat., vol. 48, no. 2, pp. 408-413, May 2006.
22. J. Keshvari, R. Keshvari, and S. Lang, "The effect of increase in dielectric values on specific absorption rate in eye and head tissues following 900, 1800 and 2450 MHz radio frequency exposure," Phys.Med. Biol., vol. 51, pp. 1463-1477, 2006.
23. G. Kang and O. P. Gandhi, "Effect of dielectric properties on the peak 1-and 10-g SAR for 802.11 a/b/g frequencies 2.45 and 5.15 to 5.85 GHz," IEEE Trans. Electromagn. Compat., vol. 46, no. 2, pp. 268-274, May 2004.
24. L. S. Xu, M. Q. H. Meng, Y.W. Chan, C. Hu, and H. B.Wang, "Influence of anesthetic and dead animal bodies on ingested wireless device," in Proc. IEEE/ASME Int. Conf. Adv. Intell. Mechatronics, Xi'an, China, Jul. 2-5, 2008, pp. 176-181.
25. W. D. Hurt, J.M. Ziriax, and P. A. Mason, "Variability in EMF permittivity values: implications for SAR calculations," IEEE Trans. Biomed. Eng., vol. 47, no. 3, pp. 396-401, Mar. 2000.
26. C. Andreas, "Requirements for reliable worst-case assessment of human exposure to RF electromagnetic fields with known uncertainty," Health Phys., vol. 92, no. 6, pp. 554-564, 2007.
27. H. J. Park, H. W. Nam, B. S. Song, J. L. Choi, H. C. Choi, J. C. Park, M. N. Kim, J. T. Lee, and J. H. Cho, "Design of bi-directional and multichannel miniaturized telemetry module for wireless endoscopy," in Proc. 2nd Annu. Int. IEEE-EMBS Special Topic Conf.Microtechnol.Med. Biol., Madison, WI, May 2-4, 2002, pp. 273-276.
28. A. Taflove and S. C. Hagness, Computational Electrodynamics: The Finite-Difference Time-Domain Method, 3rd ed. Norwood, MA: Artech House, 2000.
29. S. Gabriel, R.W. Lau, and C. Gabriel, "The dielectric properties of biological tissues: III parametric models for the dielectric spectrum of tissues," Phys. Med. Biol., vol. 41, pp. 2271-2293, 1996.
30. S.Watanabe and M. Taki, "An improved FDTD model for the feeding gap of a thin-wire antenna," IEEE Microw. Guided Wave Lett., vol. 8, no. 4, pp. 152-154, Apr. 1998.
31. P. Bernardi,M. Cavagnaro, S. Pisa, and E. Piuzzi, "A graded-mesh FDTD code for the study of human exposure to cellular phones equipped with helical antennas," Appl. Comput. Electromagn. Soc. J., vol. 16, no. 3, pp. 90-96, 2001.
32. M. Okoniewski, E. Okoniewska, andM. Stuchly, "Three-dimensional sub-gridding algorithm for FDTD," IEEE Trans. Antennas Propag., vol. 45, no. 3, pp. 422-429, Mar. 1997.
33. G. Lazzi and O. P. Gandi, "On modelling and personal dosimetry of cellular telephone helical antennas with the FDTD code," IEEE Trans. Antennas Propag., vol. 46, no. 4, pp. 525-530, Apr. 1998.
34. S. Koulouridius and K. S. Nikita, "Study of the coupling between human head and cellular phone helical antennas," IEEE Trans. Electromagn. Compat., vol. 46, no. 1, pp. 62-70, Feb. 2004.
35. L. Gurel and U. Oguz, "Signal-processing techniques to reduce the sinu-soidal steady-state error in the FDTD method," IEEE Trans. Antennas Propag., vol. 48, no. 4, pp. 585-593, Apr. 2000.
36. G.Waldschmidt and A. Taflove, "The determination of the effective radius of a filamentary source in the FDTD mesh," IEEE Microw. Guided Wave Lett., vol. 10, no. 6, pp. 217-219, Jun. 2000.
37. K. S. Yee, "Numerical solution of initial boundary value problems involving Maxwell's equations in isotropic media," IEEE Trans. Antennas Propag., vol. AP-17, no. 3, pp. 585-589, May 1966.
38. J. P. Berenger, "Three-dimensional perfectly matched layer for the absorption of electromagnetic waves," J. Comput. Phys., vol. 127, no. 2, pp. 363-379, Sep. 1996.
39. IEEE Recommended Practice for Measurements and Computations of Radio Frequency Electromagnetic Fieldswith Respect to Human Exposure to Such Fields, 100 kHz-300 GHz, IEEE Standard C95.3-2002, 2002.
40. A. Hirata, T. Asano, and O. Fujiwara, "FDTD analysis of human bodycore temperature elevation due to RF far-field energy prescribed in the ICNIRP guidelines," Phys. Med. Biol., vol. 52, pp. 5013-5023, 2007.
41. E. R. Adair and R. C. Petersen, "Biological effects of radio-frequency/ microwave radiation," IEEE Trans. Microw. Theory Tech., vol. 50, no. 3, pp. 953-962, Mar. 2002.