| Presentation | 2002/12/5 Optimization of MMSE and CMA Based ESPAR Antenna Using Marquardt Method Takuyo NAKAJI, Nobuyoshi KIKUMA, Kunio SAKAKIBARA, Naoki INAGAKI, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | The ESPAR antenna is an adaptive array antenna which features smaller size, lower power consumption and lower cost than digital-beamforming (DBF) antennas. In this paper, the Marquardt method is employed as an adaptive algorithm for improving the convergence rate of ESPAR antenna. Further, we have modified the Marquardt method that usually treats the cost function as the sum of squared instantaneous values, so that the cost functions involving signal correlation can be used in the Marquardt method. Through computer simulation using 7-element ESPAR antenna, the convergence characteristics and interference suppression capability of the proposed method are investigated in comparison with the steepest-descent method. Consequently, it is found that the proposed method shows faster convergence rate and higher ability of interference suppression than the steepest-descent method. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | ESPAR antenna / MMSE / CMA / adaptive array / Marquardt method / steepest-descent method |
| Paper # | A・P2002-115 |
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| Conference Information | |
| Committee | AP |
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| Conference Date | 2002/12/5(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
| Secretary | |
| Assistant | |
| Paper Information | |
| Registration To | Antennas and Propagation (A・P) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Optimization of MMSE and CMA Based ESPAR Antenna Using Marquardt Method |
| Sub Title (in English) | |
| Keyword(1) | ESPAR antenna |
| Keyword(2) | MMSE |
| Keyword(3) | CMA |
| Keyword(4) | adaptive array |
| Keyword(5) | Marquardt method |
| Keyword(6) | steepest-descent method |
| 1st Author's Name | Takuyo NAKAJI |
| 1st Author's Affiliation | Department of Electrical and Computer Engineering, Nagoya Institute of Technology() |
| 2nd Author's Name | Nobuyoshi KIKUMA |
| 2nd Author's Affiliation | Department of Electrical and Computer Engineering, Nagoya Institute of Technology |
| 3rd Author's Name | Kunio SAKAKIBARA |
| 3rd Author's Affiliation | Department of Electrical and Computer Engineering, Nagoya Institute of Technology |
| 4th Author's Name | Naoki INAGAKI |
| 4th Author's Affiliation | Department of Electrical and Computer Engineering, Nagoya Institute of Technology |
| Date | 2002/12/5 |
| Paper # | A・P2002-115 |
| Volume (vol) | vol.102 |
| Number (no) | 495 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |