volume | PIER Journals

Abstract

To provide better care to the people, who are living in rural areas and whoever in need of emergency medical care, it becomes essential to develop remote monitoring health care applications. Body Area Networks (BAN) that are formed with wearable or implanted wireless sensor devices will play an important role to achieve the above task. Since the communication in BAN is of short communication distance and higher data rate, the Ultra-Wideband (UWB) radio signals make themselves as the right candidates due to their inherent characteristics. This requires more research in design and development of UWB transceivers, especially for implantable biomedical devices. This paper proposes a UWB antenna design and a numerical channel model to predetermine the path loss characteristics of an on-body to in-body channel in UWB. The proposed model has been developed using ray tracing procedures and includes the antenna polarization and radiation pattern. In addition, the predicted results have been validated by measurements conducted with honey based liquid phantoms.

1. Chavez-Santiago, R. and I. Balasingham, "Ultra wideband signals in medicine [life sciences]," IEEE Signal Process. Mag., Vol. 31, No. 6, 130-136, Nov. 2014.
doi:10.1109/MSP.2014.2340234 Google Scholar

2. Zastrow, E., S. K. Davis, and S. C. Hagness, "Safety assessment of breast cancer detection via ultra- wide band microwave radar operating in pulsed radiation mode," Microwave Optical Technology Letters, Vol. 49, No. 1, 221-225, Jan. 2007.
doi:10.1002/mop.22089 Google Scholar

3. Otto, C., A. Milenkovic, C. Sanders, and E. Jovanov, "System architecture of a wireless body area sensor network for ubiquitous health monitoring," Journal of Mobile Multimedia, Vol. 1, No. 4, 307-326, 2006. Google Scholar

4. Tang, M.-C., R. W. Ziolkowski, and S. Xiao, "Compact hyper-band printed slot antenna with stable radiation properties," IEEE Transactions on Antennas and Propagation, Vol. 62, No. 6, Jun. 2014.
doi:10.1109/TAP.2014.2314299 Google Scholar

5. Li, P., J. Liang, and X. Chen, "Study of printed elliptical/circular slot antennas for ultrawideband applications," IEEE Transactions on Antennas and Propagation, Vol. 54, No. 6, 1670-1675, Jun. 2006.
doi:10.1109/TAP.2006.875499 Google Scholar

6. Chen, W.-L., G.-M. Wang, and C.-X. Zhang, "Bandwidth enhancement of a micro strip-line- fed printed wide-slot antenna with a fractal-shaped slot," IEEE Transactions on Antennas and Propagation, Vol. 57, No. 7, 2176-2179, Jul. 2009.
doi:10.1109/TAP.2009.2021974 Google Scholar

7. Wang, J. and Q. Wang, "Channel modeling and BER performance of an implant UWB body area link," Proceedings of Second International Symposium on Applied Sciences in Biomedical and Communication Technology (ISABEL'09), Bratislava, Slovak Republic, 2009. Google Scholar

8. Nagaoka, T., S. Watanabe, K. Saurai, E. Kunieda, S. Watanabe, M. Taki, and Y. Yamanaka, "Development of realistic high resolution whole-body voxel models of Japanese adult males and females of average height and weight, and application of models to radio-frequency electromagnetic-field dosimetry," Phys. Med. Biol., Vol. 49, 1-15, 2004.
doi:10.1088/0031-9155/49/1/001 Google Scholar

9. Khaleghi, A., R. Chavez-Santiago, X. Liang, I. Balasingham, V. C. M. Leung, and T. A. Ramstad, "On ultra-wide band channel modeling for in-body communications," Proceedings of Fifth IEEE International Symposium on Wireless Pervasive Computing (ISWPC), 140-145, Modena, Italy, May 5-10, 2010. Google Scholar

10. Khaleghi, A., R. Chavez-Santiago, and I. Balasingham, "Ultra-wideband statistical propagation channel model for implant sensors in the human chest," IET Microwaves, Antennas & Propagation, Vol. 5, No. 15, 1805-1812, 2011.
doi:10.1049/iet-map.2010.0537 Google Scholar

11. Gabriel, C., "Compilation of the dielectric properties of body tissues at RF and microwave frequencies," Brooks Air Force, N.AL/OE-TR-1996-0037, San Antonio, TX, 1996. Google Scholar

12. Khaleghi, A., R. Chavez-Santiago, and I. Balasingham, "An improved ultra-wide band channel model including the frequency-dependent attenuation for in-body communications," Proc. IEEE 34th Annu. Int. Conf. Eng. Med. Biol. Soc., 1631-1634, San Diego, CA, USA, 2012. Google Scholar

13. Stoa, S., R. Chavez-Santiago, and I. Balasingham, "An ultra-wide band communication channel model for the abdominal region," Proc. IEEE Globecom 2010 Workshop on Advanced Sensor Integration Technology (ASIT 2010), Miami, Florida, USA, Dec. 2010. Google Scholar

14. Stoa, S., R. Chavez-Santiago, and I. Balasingham, "An ultra wideband communication channel model for capsule endoscopy," IEEE, 2010. Google Scholar

15. Floor, P. A., R. Chavez-Santiago, S. Brovoll, O. Aardal, J. Bergsland, O.-J. H. N. Grymyr, P. S. Halvorsen, R. Palomar, D. Plettemeier, S.-E. Hamran, T. A. Ramstad, and I. Balasingham, "In-body to on-body ultra wideband propagation model derived from measurements in living animals," IEEE Journal of Biomedical and Health Informatics, Vol. 19, No. 3, 938-948, 2015.
doi:10.1109/JBHI.2015.2417805 Google Scholar

16. Ishimaru, A., Electromagnetic Wave Propagation, Radiation, and Scattering, Prentice Hall, New Jersey, 1991.

17. Seidel, S. Y. and T. S. Rappaport, "Site-specic propagation prediction for wireless in-building personal communication system design," IEEE Transactions on Vehicular Technology, Vol. 43, No. 4, 879-891, 1994.
doi:10.1109/25.330150 Google Scholar

18. Rappaport, T. S., Wireless Communications Principles and Practice, Prentice Hall, New Jersey, 2002.

19. Thirumaraiselvan, P. and S. Jayashri, "Numerical modelling of ultra wide band signal propagation in human abdominal region," International Journal of Biomedical Engineering and Technology (IJBET), Vol. 27, No. 1/2, 17-32, 2018.
doi:10.1504/IJBET.2018.093083 Google Scholar

Dr. Anumuthu Priya

Dr. Sulthan Kaja Mohideen

Professor Packirisamy Thirumaraiselvan