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| Presentation | 2012-10-26 10:55 On Feasibility of Semi-Blind Interference Alignment over OFDM Channels Manato Takai (Shizuoka Univ.), Koji Ishibashi (The Univ. of Electro-Communications), Won-Yong Shin (Dankook Univ.), Hyo Seok Yi (Harvard Univ.), Tadahiro Wada (Shizuoka Univ.)  WBS2012-27 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Interference alignment (IA) is an effective approach, which acheives high capacity by overlapping in- terference signals in a subspace. Transmitters, however, require global channel knowledge and precise time syn- chronization. In order to facilitate these practical difficulties, we have proposed new interference alginment scheme named semi-blind interference alginment (S-BIA), where each transmitter needs to know channel coefficients related to itself and S-BIA retains the same degrees of freedom (DoF) as conventional IA scheme. In this paper, we in- vesitgate the feasibility and practical concerns of S-BIA using orthogonal frequency division multiplexing (OFDM). Specifically, we study the effect of time synchronization error between transmitters and peak-to-average power ratio (PAPR) via computer simulations. We further investigate convolutionally coded S-BIA with OFDM transmission and show its bit error rate (BER) performance. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Interference Alignment (IA) / distributed network / $X$ Channel / frequency selective channel / orthogonal frequency division multiplexing(OFDM) / degrees-of-freedom gain / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 264, WBS2012-27, pp. 7-12, Oct. 2012. | |
| Paper # | WBS2012-27 | |
| Date of Issue | 2012-10-19 (WBS) | |
| 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 | WBS2012-27 |
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| Conference Information | |
| Committee | WBS |
| Conference Date | 2012-10-26 - 2012-10-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kyoto Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Green communications, communication systems, etc., poster session |
| Paper Information | |
| Registration To | WBS |
| Conference Code | 2012-10-WBS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | On Feasibility of Semi-Blind Interference Alignment over OFDM Channels |
| Sub Title (in English) | |
| Keyword(1) | Interference Alignment (IA) |
| Keyword(2) | distributed network |
| Keyword(3) | $X$ Channel |
| Keyword(4) | frequency selective channel |
| Keyword(5) | orthogonal frequency division multiplexing(OFDM) |
| Keyword(6) | degrees-of-freedom gain |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Manato Takai |
| 1st Author's Affiliation | Shizuoka University (Shizuoka Univ.) |
| 2nd Author's Name | Koji Ishibashi |
| 2nd Author's Affiliation | The University of Electro-Communications (The Univ. of Electro-Communications) |
| 3rd Author's Name | Won-Yong Shin |
| 3rd Author's Affiliation | Dankook University (Dankook Univ.) |
| 4th Author's Name | Hyo Seok Yi |
| 4th Author's Affiliation | Harvard University (Harvard Univ.) |
| 5th Author's Name | Tadahiro Wada |
| 5th Author's Affiliation | Shizuoka University (Shizuoka Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-10-26 10:55:00 |
| Presentation Time | 25 minutes |
| Registration for | WBS |
| Paper # | WBS2012-27 |
| Volume (vol) | vol.112 |
| Number (no) | no.264 |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2012-10-19 (WBS) |
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