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| Presentation | 2007-06-29 15:25 Spectrum efficiency of MIMO multiplexing in a cellular environment Koichi Adachi (Keio Univ.), Fumiyuki Adachi (Tohoku Univ.), Masao Nakagawa (Keio Univ.)  RCS2007-27 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To increase the transmission rate without bandwidth expansion, multiple-input multiple-output (MIMO) technique has been attracting much attention. When MIMO technique is applied to a cellular system, the MIMO channel capacity is affected by the interference from neighboring co-channel cells. In this paper, we evaluate the outage probability of MIMO downlink channel capacity in a cellular system, taking into account the frequency-reuse factor, path loss exponent, standard deviation of shadowing loss, and base station (BS) transmit power. We discuss about the cellular spectrum efficiency. Furthermore, we compare the cellular MIMO spectrum efficiency with those of other multi-antenna transmission techniques such as space time block coded multiple-input single-output (STBC-MISO) and single-input multiple-output (SIMO). We show that the optimum frequency reuse factor is 3 irrespective of type of multi-antenna transmission scheme for the outage probability of 10 %. We also show that the cellular MIMO spectrum efficiency is always higher than those of SIMO and STBC-MISO. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MIMO / Multi-cell environment / Link capacity / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 113, RCS2007-27, pp. 97-102, June 2007. | |
| Paper # | RCS2007-27 | |
| Date of Issue | 2007-06-21 (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 | RCS2007-27 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2007-06-28 - 2007-06-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Toyohashi Uni. of Tech. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2007-06-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Spectrum efficiency of MIMO multiplexing in a cellular environment |
| Sub Title (in English) | |
| Keyword(1) | MIMO |
| Keyword(2) | Multi-cell environment |
| Keyword(3) | Link capacity |
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| 1st Author's Name | Koichi Adachi |
| 1st Author's Affiliation | Keio University (Keio Univ.) |
| 2nd Author's Name | Fumiyuki Adachi |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Masao Nakagawa |
| 3rd Author's Affiliation | Keio University (Keio Univ.) |
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| Speaker | Author-1 |
| Date Time | 2007-06-29 15:25:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2007-27 |
| Volume (vol) | vol.107 |
| Number (no) | no.113 |
| Page | pp.97-102 |
| #Pages | 6 |
| Date of Issue | 2007-06-21 (RCS) |
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