| Presentation | 2012-10-25 Analysis of dipole antenna characteristics above finite EBG substrate in presence of human head model Ryo Ikeuchi, Kwok-Hung Chan, Akimasa Hirata, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | The present study investigates the performance of a dipole antenna above electromagnetic band gap (EBG) substrates with different number of patches to realize a low specific absorption rate (SAR) antenna for a 4G wireless communications system (3.5GHz band). A cubic head model is used as an empirical study to estimate the radiation characteristics and the SAR of the antenna. Computational results show that the antenna above an EBG substrate can provide a maximum reduction of 81% in the SAR and a radiation efficiency improvement of 10% as compared with the antenna above a perfect electric conductor (PEC) ground place. However, the antenna above the EBG substrate with a lower number of patches results in a higher resonance frequency and cannot provide sufficient SAR reduction. In both the cubic and realistic head models, a similar tendency was observed in the SAR reduction capability of the antenna above the EBG substrates as EBG substrates with 20 or 24 EBG patches can be reduced by 16% when compared to the case with 12 or 16 EBG patches. The variability of the SAR in the operating frequency band (|S_<11>|>10dB) of the antenna is found to be 5-35%, which is dependent on different EBG substrates. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | SAR / EBG structure / FDTD |
| Paper # | EMCJ2012-72,EST2012-56 |
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| Conference Information | |
| Committee | EST |
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| Conference Date | 2012/10/18(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Electronic Simulation Technology (EST) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Analysis of dipole antenna characteristics above finite EBG substrate in presence of human head model |
| Sub Title (in English) | |
| Keyword(1) | SAR |
| Keyword(2) | EBG structure |
| Keyword(3) | FDTD |
| 1st Author's Name | Ryo Ikeuchi |
| 1st Author's Affiliation | Nagoya Institute of Technology() |
| 2nd Author's Name | Kwok-Hung Chan |
| 2nd Author's Affiliation | Nagoya Institute of Technology |
| 3rd Author's Name | Akimasa Hirata |
| 3rd Author's Affiliation | Nagoya Institute of Technology |
| Date | 2012-10-25 |
| Paper # | EMCJ2012-72,EST2012-56 |
| Volume (vol) | vol.112 |
| Number (no) | 257 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |