Summary
International Symposium on Antennas and Propagation
2006
Session Number:2D2a
Session:
Number:2D2a-3
Correlation between Peak SAR and Maximum Temperature Increase Due to Dipole Antenna above 3GHz
Akimasa Hirata, Osamu Fujiwara, Toshiyuki Shiozawa,
pp.1-5
Publication Date:2006/11/2
Online ISSN:2188-5079
Summary:
Peak SAR (specific absorption rate) averaged over any 1 or 10g of body tissue is used as a measure for the protection of RF near-field exposure in safety guidelines. However, physiological effects and damage to humans by EM wave exposures are induced by temperature increases. In our previous work, we discussed the correlation maximum temperature increases in the head with peak spatial-average SAR over the frequency bands from 900 MHz- 2.5 GHz. In this study, we extend the discussion to the frequency band from 1 GHz to 10 GHz, which covers the fourth generation mobile cellular system, wireless LAN, and so forth. The motivation of this study is that the SAR is more localized around the antenna due to the reduction of physical size of antenna, and thus further discussion is required for correlating SAR and temperature elevations. In particular, 3- D Green function for bio-heat equation is introduced in order to give insight for heat diffusion in human tissue.