| Presentation | 2006/10/12 Evaluation of Antenna Selection Method Using Orthogonal Polarization and Radiation Patterns for Compact MIMO Antenna Naoki Honma, Kentaro Nishimori, Yasushi Takatori, Atsushi Ohta, Shuji Kubota, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | This paper proposes a simple antenna selection method that is suitable for the MIMO (Multi-Input Multi-Output) terminal antenna employing orthogonal polarizations and patterns. The combination of the antenna elements with the orthogonal polarizations and patterns is effective in reducing the antenna coupling and spatial correlation, and selecting the antennas is useful method in reducing the power consumption at the MIMO terminals. As a basic consideration, a configuration of three orthogonal dipoles, which is the simplest configuration with orthogonal polarizations and patterns, is investigated to clarify the effectiveness of the antenna selection method. In this method, the vertical antennas, which tend to exhibit a high signal-to-noise ratio, are always used, and the one in two horizontal dipoles is chosen. This method allows the use of a fairly simple RF-switch that simplifies the RF circuit configuration. Based on the raytracing analysis with the imaging method, the proposed method reduces the calculation load by 60% for finding the optimum antenna combination even with the capacity that is as high as that provided by the ideal antenna selection. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | MIMO / small antennas / polarization / directivity / spatial correlation / indoor propagation / antenna selection |
| Paper # | A・P2006-86 |
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| Conference Information | |
| Committee | AP |
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| Conference Date | 2006/10/12(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
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| 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) | Evaluation of Antenna Selection Method Using Orthogonal Polarization and Radiation Patterns for Compact MIMO Antenna |
| Sub Title (in English) | |
| Keyword(1) | MIMO |
| Keyword(2) | small antennas |
| Keyword(3) | polarization |
| Keyword(4) | directivity |
| Keyword(5) | spatial correlation |
| Keyword(6) | indoor propagation |
| Keyword(7) | antenna selection |
| 1st Author's Name | Naoki Honma |
| 1st Author's Affiliation | NTT Network Innovation Laboratories, NTT Corporation() |
| 2nd Author's Name | Kentaro Nishimori |
| 2nd Author's Affiliation | NTT Network Innovation Laboratories, NTT Corporation |
| 3rd Author's Name | Yasushi Takatori |
| 3rd Author's Affiliation | NTT Network Innovation Laboratories, NTT Corporation |
| 4th Author's Name | Atsushi Ohta |
| 4th Author's Affiliation | NTT Network Innovation Laboratories, NTT Corporation |
| 5th Author's Name | Shuji Kubota |
| 5th Author's Affiliation | NTT Network Innovation Laboratories, NTT Corporation |
| Date | 2006/10/12 |
| Paper # | A・P2006-86 |
| Volume (vol) | vol.106 |
| Number (no) | 302 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |