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| Presentation | 2011-06-23 13:00 Channel Capacity of Interference Alignment in MIMO Interference Channels with Channel Estimation Error and Channel Time-Variation Takayuki Shimizu (Doshisha Univ.), Akihisa Yokoyama (Toyota ITC USA), Hisato Iwai (Doshisha Univ.)  RCS2011-44 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Interference alignment (IA) is a transmission technique that improves the spatial multiplexing gain for multiple-input multiple-output (MIMO) interference channels. The key idea of IA is to design transmit precoding matrices in such a way that all interference signals are aligned into a signal subspace at each receiver in order to minimize the dimensions of the signal subspace occupied by the interference signals, while maintaining the interference-free subspace at each receiver. One of the advantages of IA is that it requires only global channel state information, and transmitters do not need to share transmitted data. In this paper, we compare the sum-rate capacity of IA with those of other cooperative MIMO transmission techniques through numerical simulations. In addition, we evaluate the sum-rate capacity of IA in MIMO interference channels with channel estimation error and channel time-variation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MIMO interference channel / cooperative MIMO / interference alignment / channel capacity / ITS / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 94, RCS2011-44, pp. 55-60, June 2011. | |
| Paper # | RCS2011-44 | |
| Date of Issue | 2011-06-16 (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 | RCS2011-44 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2011-06-23 - 2011-06-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Ryukyu Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2011-06-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Channel Capacity of Interference Alignment in MIMO Interference Channels with Channel Estimation Error and Channel Time-Variation |
| Sub Title (in English) | |
| Keyword(1) | MIMO interference channel |
| Keyword(2) | cooperative MIMO |
| Keyword(3) | interference alignment |
| Keyword(4) | channel capacity |
| Keyword(5) | ITS |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takayuki Shimizu |
| 1st Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 2nd Author's Name | Akihisa Yokoyama |
| 2nd Author's Affiliation | TOYOTA InfoTechnology Center, U.S.A., Inc. (Toyota ITC USA) |
| 3rd Author's Name | Hisato Iwai |
| 3rd Author's Affiliation | Doshisha University (Doshisha Univ.) |
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| Speaker | Author-1 |
| Date Time | 2011-06-23 13:00:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2011-44 |
| Volume (vol) | vol.111 |
| Number (no) | no.94 |
| Page | pp.55-60 |
| #Pages | 6 |
| Date of Issue | 2011-06-16 (RCS) |
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