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| Presentation | 2009-03-06 10:00 Performance Evaluation of Multicarrier Transmission for Radio Relaying in Measured Outdoor Channels at 2.4GHz-Band. Motoharu Sasaki, Daiki Fujii, Osamu Muta, Yoshihiko Akaiwa (Kyushu Univ.)  RCS2008-255 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Wireless LAN is widely used as a means to construct a flexible network low-cost. However, the area that wireless LAN can use stays within the limited range in the room and the hot spot, etc. , and is requested a further extending. Outdoor wireless LAN relay system that uses the fixed relay station is examined as a system to enable the use of wireless LAN widely in outdoor. It was assumed to construct the above-mentioned system in Hakozaki campus, Kyushu University, and the propagation channel in the relay line and the access line was measured and analyzed in a real environment. Moreover, it proposes the technique for improving the characteristic by considering the no signal part before the signal is received when the transmission timing of the method of the optimization of the reception weight coefficient of the adaptive array antenna in the AF type relay is offset to be a reference signal system. The computer simulation by using the acquired real propagation data, and the transmission evaluation of characteristics of the multi career wireless relay of the proposal method and other methods was done. As a result, the effectiveness of the proposal method was shown, and the characteristic under the real propagation environment of the above-mentioned system was clarified. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Outdoor channel measurement / Radio relay transmission / Adaptive array antenna / Weight optimaization / OFDM / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 445, RCS2008-255, pp. 255-260, March 2009. | |
| Paper # | RCS2008-255 | |
| Date of Issue | 2009-02-25 (RCS) | |
| 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 | RCS2008-255 |
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| Conference Information | |
| Committee | RCS AN MoNA SR |
| Conference Date | 2009-03-04 - 2009-03-06 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | YRP |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Workshop on Mobile Communications |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2009-03-RCS-AN-MoMuC-SR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Performance Evaluation of Multicarrier Transmission for Radio Relaying in Measured Outdoor Channels at 2.4GHz-Band. |
| Sub Title (in English) | |
| Keyword(1) | Outdoor channel measurement |
| Keyword(2) | Radio relay transmission |
| Keyword(3) | Adaptive array antenna |
| Keyword(4) | Weight optimaization |
| Keyword(5) | OFDM |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Motoharu Sasaki |
| 1st Author's Affiliation | Kyushu University (Kyushu Univ.) |
| 2nd Author's Name | Daiki Fujii |
| 2nd Author's Affiliation | Kyushu University (Kyushu Univ.) |
| 3rd Author's Name | Osamu Muta |
| 3rd Author's Affiliation | Kyushu University (Kyushu Univ.) |
| 4th Author's Name | Yoshihiko Akaiwa |
| 4th Author's Affiliation | Kyushu University (Kyushu Univ.) |
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| Speaker | Author-1 |
| Date Time | 2009-03-06 10:00:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2008-255 |
| Volume (vol) | vol.108 |
| Number (no) | no.445 |
| Page | pp.255-260 |
| #Pages | 6 |
| Date of Issue | 2009-02-25 (RCS) |
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