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| Presentation | 2011-12-16 10:00 Spectrum Efficiency of MIMO Spatial Multiplexing in a Multi-cell Distributed Antenna Network Shinya Kumagai, Ryusuke Matsukawa, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.)  RCS2011-251 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Multiple-input multiple-output (MIMO) spatial multiplexing can increase the transmission rate without bandwidth expansion. However, in cellular networks (CNs), the transmission rate of a user close to the cell edge significantly degrades because the received signal-to-interference plus noise power ratio (SINR) degrades due to the presence of strong co-channel interference (CCI) from neighboring cells. Distributed antenna network (DAN), in which many antennas are spatially distributed over the cell, is suitable for MIMO spatial multiplexing because the received SINR improves over the entire cell. In this paper, we discuss the impact of the frequency reuse factor on the downlink channel capacity of DAN-MIMO spatial multiplexing in a multi-cell environment and compare the channel capacity with CN. Assuming the block transmission with cyclic prefix (CP), we derive a channel capacity expression and then, derive the optimal transmit power allocation for DAN-MIMO spatial multiplexing. We evaluate the channel capacity distribution by Monte Carlo numerical computation method to show that DAN can reduce the frequency reuse factor and achieves higher cell channel capacity compared to CN. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | distributed antenna / MIMO spatial multiplexing / spectrum efficiency / multi-cell environment / frequency-selective channel / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 345, RCS2011-251, pp. 111-116, Dec. 2011. | |
| Paper # | RCS2011-251 | |
| Date of Issue | 2011-12-08 (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 | RCS2011-251 |
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| Conference Information | |
| Committee | NS RCS |
| Conference Date | 2011-12-15 - 2011-12-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Yamaguchi University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Ad-hoc Network, Ubiquitous Network, Wireless Communication, security, Multi-Access Network |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2011-12-NS-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Spectrum Efficiency of MIMO Spatial Multiplexing in a Multi-cell Distributed Antenna Network |
| Sub Title (in English) | |
| Keyword(1) | distributed antenna |
| Keyword(2) | MIMO spatial multiplexing |
| Keyword(3) | spectrum efficiency |
| Keyword(4) | multi-cell environment |
| Keyword(5) | frequency-selective channel |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shinya Kumagai |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Ryusuke Matsukawa |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Tatsunori Obara |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 4th Author's Name | Tetsuya Yamamoto |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 5th Author's Name | Fumiyuki Adachi |
| 5th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2011-12-16 10:00:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2011-251 |
| Volume (vol) | vol.111 |
| Number (no) | no.345 |
| Page | pp.111-116 |
| #Pages | 6 |
| Date of Issue | 2011-12-08 (RCS) |
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