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| Presentation | 2015-01-22 13:35 Experimental Performance Evaluation of Interference Reduction Between Multiple Wireless Systems Exploiting Load Modulation Takuma Ito, Naoki Honma (Iwate Univ.), Kentaro Nishimori (Niigata Univ.), Yoshitaka Tsunekawa (Iwate Univ.)  AP2014-168 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | When secondary system uses the same frequency band in the area of primary system such as television broadcast system which has the primary receiver, interference between the base station of secondary system and primary receiver is important issues because the base station of secondary system cannot estimate interference channel. The authors have proposed the interference suppression method, where the load modulation technique is used to primary receiver, and the base station of secondary system estimates the channel from the primary receiver. This paper presents the experimental results of the effect of interference reduction by our method. In the experiment, PIN diode is used as a load impedance element, and it is possible for primary receiver to load modulation. The measurement results showed that the Signal-to-Interference Ratio (SIR) with interference control at primary receiver side is improved up to on average of 17.0 dB compared to that without interference control. From this experiment, it is found that the interference suppression method using load modulation wave is effective in reducing interference. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Load modulation / Frequency sharing / Interference control / Channel capacity / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 396, AP2014-168, pp. 39-44, Jan. 2015. | |
| Paper # | AP2014-168 | |
| Date of Issue | 2015-01-15 (AP) | |
| ISSN | Print edition: ISSN 0913-5685 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 | AP2014-168 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2015-01-22 - 2015-01-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Ehime University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2015-01-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental Performance Evaluation of Interference Reduction Between Multiple Wireless Systems Exploiting Load Modulation |
| Sub Title (in English) | |
| Keyword(1) | Load modulation |
| Keyword(2) | Frequency sharing |
| Keyword(3) | Interference control |
| Keyword(4) | Channel capacity |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Takuma Ito |
| 1st Author's Affiliation | Iwate University (Iwate Univ.) |
| 2nd Author's Name | Naoki Honma |
| 2nd Author's Affiliation | Iwate University (Iwate Univ.) |
| 3rd Author's Name | Kentaro Nishimori |
| 3rd Author's Affiliation | Niigata University (Niigata Univ.) |
| 4th Author's Name | Yoshitaka Tsunekawa |
| 4th Author's Affiliation | Iwate University (Iwate Univ.) |
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| Speaker | Author-1 |
| Date Time | 2015-01-22 13:35:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2014-168 |
| Volume (vol) | vol.114 |
| Number (no) | no.396 |
| Page | pp.39-44 |
| #Pages | 6 |
| Date of Issue | 2015-01-15 (AP) |
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