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| Presentation | 2008-03-13 14:50 MIMO Channel Measurements including Human body and Blocking Objects at 2.4GHz/5.2GHz Satoshi Kojima, Takahiro Mizuno, Kouta Nakamura, Keiichi Yoshitomi, Ken-ichi Asanuma, Tadahiko Maeda (Rits Univ.)  AP2007-181 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, MIMO (Multiple-Input Multiple-Output) systems achieving high data rate transmission have been receiving major emphasis. To enhance the throughput in the MIMO radio communications, we should consider not only the SNR of the received signal but also the effects of multipath on the statistical characteristic of the MIMO channels. When we propose MIMO system using small size portable terminals having multiple built-in antennas, it is important to analyze the effects of human body on the characteristics of the MIMO channels including the influence of the blocking objects. In this paper, we measured the statistical distribution of eigenvalues of 8 × 8 MIMO channels including human body and blocking objects at 2.45GHz and 5.2GHz. As a result of these measurements, the decrease of the first eigenvalue compared to the fourth eigenvalue becomes about -10dB for the tested communication models with assumed small size portable terminals. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MIMO / eigenvalues / human body / blocking objects / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 543, AP2007-181, pp. 49-54, March 2008. | |
| Paper # | AP2007-181 | |
| Date of Issue | 2008-03-06 (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 | AP2007-181 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2008-03-13 - 2008-03-14 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nanzan Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | etc. |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2008-03-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | MIMO Channel Measurements including Human body and Blocking Objects at 2.4GHz/5.2GHz |
| Sub Title (in English) | |
| Keyword(1) | MIMO |
| Keyword(2) | eigenvalues |
| Keyword(3) | human body |
| Keyword(4) | blocking objects |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Satoshi Kojima |
| 1st Author's Affiliation | Ritsumeikan University (Rits Univ.) |
| 2nd Author's Name | Takahiro Mizuno |
| 2nd Author's Affiliation | Ritsumeikan University (Rits Univ.) |
| 3rd Author's Name | Kouta Nakamura |
| 3rd Author's Affiliation | Ritsumeikan University (Rits Univ.) |
| 4th Author's Name | Keiichi Yoshitomi |
| 4th Author's Affiliation | Ritsumeikan University (Rits Univ.) |
| 5th Author's Name | Ken-ichi Asanuma |
| 5th Author's Affiliation | Ritsumeikan University (Rits Univ.) |
| 6th Author's Name | Tadahiko Maeda |
| 6th Author's Affiliation | Ritsumeikan University (Rits Univ.) |
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| Speaker | Author-1 |
| Date Time | 2008-03-13 14:50:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2007-181 |
| Volume (vol) | vol.107 |
| Number (no) | no.543 |
| Page | pp.49-54 |
| #Pages | 6 |
| Date of Issue | 2008-03-06 (AP) |
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