| Presentation | 2007/1/18 Characteristics of Equal Ratio Space Array Antenna with Offset Feed for Same Vertical Pattern Between Rx and Tx Ryo YAMAGUCHI, HUILING Jiang, Keizo CHO, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | A Tx antenna pattern of array antenna in mobile communication base station with FDD does not agree with the Rx pattern when Rx weights are used because the frequency between Tx and Rx is different. In our previous research, we proposed a new array antenna and feeding method without digital signal processing and examined the validity to achieve the same pattern between Rx and Tx in order to solve this problem concerning horizontal adaptive array. In this report, we adopt and evaluate this method to large scale vertical fixed weight array antenna of base station with FDD. Agreement of not only beam direction and null direction but also amplitude by adjusting the number of offset feeding is evaluated by MoM calculation. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | mobile communication / array antenna / equal ratio spacing / offset feed / FDD |
| Paper # | A・P2006-134 |
| Date of Issue |
| Conference Information | |
| Committee | AP |
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| Conference Date | 2007/1/18(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) | Characteristics of Equal Ratio Space Array Antenna with Offset Feed for Same Vertical Pattern Between Rx and Tx |
| Sub Title (in English) | |
| Keyword(1) | mobile communication |
| Keyword(2) | array antenna |
| Keyword(3) | equal ratio spacing |
| Keyword(4) | offset feed |
| Keyword(5) | FDD |
| 1st Author's Name | Ryo YAMAGUCHI |
| 1st Author's Affiliation | NTT DoCoMo, Inc.() |
| 2nd Author's Name | HUILING Jiang |
| 2nd Author's Affiliation | NTT DoCoMo, Inc. |
| 3rd Author's Name | Keizo CHO |
| 3rd Author's Affiliation | NTT DoCoMo, Inc. |
| Date | 2007/1/18 |
| Paper # | A・P2006-134 |
| Volume (vol) | vol.106 |
| Number (no) | 491 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |