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| Presentation | 2019-10-17 12:30 [Poster Presentation] FDD Downlink Beamforming Method for Avoiding Adjacent Channel Interference Masaki Igarashi, Kentaro Nishimori (Niigata Univ.)  AP2019-80 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Microwave power transmission systems with high power cause adjacent channel interference. Hence a function is required to continue feeding while detecting and avoiding the radio wave from other wireless systems using adjacent frequency channels. This research aims to avoid the interference from the adjacent frequency channels by estimating the signals from the adjacent frequency channels without the channel state information (CSI) and employing the transmit beamforming by creating nulls in the direction of other system terminals. We evaluate the effectiveness of reducing interference in the direction of other system terminals by computer simulation. As a result, it was clarified that the proposed method can form transmission directivity with SIR = 5dB or more with a probability of 90%. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | frequency division duplex / beamforming / zero-forcing / DCMP / microwave power transmission / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 228, AP2019-80, pp. 5-9, Oct. 2019. | |
| Paper # | AP2019-80 | |
| Date of Issue | 2019-10-10 (AP) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | AP2019-80 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2019-10-17 - 2019-10-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Osaka Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Student Session, Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2019-10-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | FDD Downlink Beamforming Method for Avoiding Adjacent Channel Interference |
| Sub Title (in English) | |
| Keyword(1) | frequency division duplex |
| Keyword(2) | beamforming |
| Keyword(3) | zero-forcing |
| Keyword(4) | DCMP |
| Keyword(5) | microwave power transmission |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Masaki Igarashi |
| 1st Author's Affiliation | Niigata University (Niigata Univ.) |
| 2nd Author's Name | Kentaro Nishimori |
| 2nd Author's Affiliation | Niigata University (Niigata Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-10-17 12:30:00 |
| Presentation Time | 120 minutes |
| Registration for | AP |
| Paper # | AP2019-80 |
| Volume (vol) | vol.119 |
| Number (no) | no.228 |
| Page | pp.5-9 |
| #Pages | 5 |
| Date of Issue | 2019-10-10 (AP) |
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