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| Presentation | 2009-09-03 11:15 Study on Transmission Method in Short Range MIMO Communication Kentaro Nishimori, Tomohiro Seki (NTT Corp.), Naoki Honma (Iwate Univ.), Ken Hiraga, Masato Mizoguchi (NTT Corp.)  AP2009-83 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We proposed a novel communication scheme, which uses short range MIMO transmission. In the short range MIMO transmission, the distance between two facing array antennas is comparable with the size of the array antenna aperture. We found that the channel capacity with an optimal antenna spacing is higher than ergodic capacity in i.i.d. channel since the short range MIMO scheme has a high similarity with a parallel data transmission. In this paper, the channel capacity and transmission rate are compared due to actual transmission schemes which are used in MIMO systems. When the optimal element spacing is obtained, the channel capacity by Zero forcing (ZF) is almost same with that by Eigen-mode beamforming (EM-BF). On the other hand, we clarify that \emph{perfect} parallel transmission is very difficult because inter-stream interference occurs even in wide antenna spacing. We show that the optimal element spacing is a key parameter in the short range MIMO communication; it is very effective to design array antennas with the optimal element spacing for a simple hardware configuration. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MIMO / short range communication / Eigen-mode beamforming / Zero Forcing / parallel transmission / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 183, AP2009-83, pp. 23-28, Sept. 2009. | |
| Paper # | AP2009-83 | |
| Date of Issue | 2009-08-27 (AP) | |
| 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 | AP2009-83 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2009-09-03 - 2009-09-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hachinohe Inst. of Tech. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | AP |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2009-09-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on Transmission Method in Short Range MIMO Communication |
| Sub Title (in English) | |
| Keyword(1) | MIMO |
| Keyword(2) | short range communication |
| Keyword(3) | Eigen-mode beamforming |
| Keyword(4) | Zero Forcing |
| Keyword(5) | parallel transmission |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kentaro Nishimori |
| 1st Author's Affiliation | NTT Network Innovation Laboratories, NTT Corporration (NTT Corp.) |
| 2nd Author's Name | Tomohiro Seki |
| 2nd Author's Affiliation | NTT Network Innovation Laboratories, NTT Corporration (NTT Corp.) |
| 3rd Author's Name | Naoki Honma |
| 3rd Author's Affiliation | Iwate University (Iwate Univ.) |
| 4th Author's Name | Ken Hiraga |
| 4th Author's Affiliation | NTT Network Innovation Laboratories, NTT Corporration (NTT Corp.) |
| 5th Author's Name | Masato Mizoguchi |
| 5th Author's Affiliation | NTT Network Innovation Laboratories, NTT Corporration (NTT Corp.) |
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| Speaker | Author-1 |
| Date Time | 2009-09-03 11:15:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2009-83 |
| Volume (vol) | vol.109 |
| Number (no) | no.183 |
| Page | pp.23-28 |
| #Pages | 6 |
| Date of Issue | 2009-08-27 (AP) |
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