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| Presentation | 2008-10-23 14:20 Adaptive Amplify-and-Forward Relaying for Cellular System Haruaki Machida, Kenichi Higuchi (Tokyo Univ. of Science)  RCS2008-117 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper presents an adaptive amplify-and-forward (AF)-type relaying method for the uplink in a cellular system in order to avoid unnecessary inter-cell interference enhancement and bandwidth reduction due to transmission relaying. The method adaptively selects the active relay stations (RSs) based on the path loss between each mobile terminal and the base station (BS) and that between each RS. In the paper, the throughput enhancement by using the proposed method especially for the user at cell edge is evaluated with the relay selection thresholds and beam width of the antennas of the RS as parameters. The computer simulations show that the use of directive antenna at RS transmitter very effective in reducing the other cell interference and the proposed method achieves approximately 40 times and 3.8 times higher cell edge throughput than the case without relaying and that with conventional AF-type relaying, respectively, assuming six RSs per cell. At the same time, the proposed method increases the average throughput by approximately 1.4 times compared to the case without relaying. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Cellular system / Relay transmission / Amplify-and-Forward / Coverage / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 249, RCS2008-117, pp. 87-92, Oct. 2008. | |
| Paper # | RCS2008-117 | |
| Date of Issue | 2008-10-15 (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 | RCS2008-117 |
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| Conference Information | |
| Committee | SR RCS USN AN |
| Conference Date | 2008-10-22 - 2008-10-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa industry support center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless discributed network special session and general session |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2008-10-SR-RCS-USN-AN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Adaptive Amplify-and-Forward Relaying for Cellular System |
| Sub Title (in English) | |
| Keyword(1) | Cellular system |
| Keyword(2) | Relay transmission |
| Keyword(3) | Amplify-and-Forward |
| Keyword(4) | Coverage |
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| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Haruaki Machida |
| 1st Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 2nd Author's Name | Kenichi Higuchi |
| 2nd Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
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| Speaker | Author-1 |
| Date Time | 2008-10-23 14:20:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2008-117 |
| Volume (vol) | vol.108 |
| Number (no) | no.249 |
| Page | pp.87-92 |
| #Pages | 6 |
| Date of Issue | 2008-10-15 (RCS) |
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