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| Presentation | 2015-07-16 16:50 Classification Rule of NLoS Region in Indoor Propagation Estimation Combining Ray-Tracing with Statistical Models Takahiro Hashimoto, Yasuhiro Nishioka, Yoshio Inasawa, Hiroaki Miyashita (Mitsubishi Electric Corp.)  EMT2015-31 MW2015-69 OPE2015-43 EST2015-35 MWP2015-34 Link to ES Tech. Rep. Archives: EMT2015-31 MW2015-69 OPE2015-43 EST2015-35 MWP2015-34 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In order to improve estimation accuracy of statistical models, a method in which subdivide NLoS region using number of reflections or diffractions calculated by ray-tracing, and then applies different statistical models to each regions is examined. First, we subdivide NLoS region of office environment using classification rules in which subdivide up to 3 times reflections, 1 times diffraction, and others. Then compare fitting errors of these statistical models. Fitting errors decrease from 4.18 dB to 3 dB after subdivision, but fitting errors don’t decrease any more. Second, we evaluate the calculation errors of developed statistical models in 2 office environments. The calculation error takes minimal value of 3.38 dB in the environment 1 (80m× 20m) when we subdivide NLoS into 3 regions up to 2 times reflections and others, and of 3.69 dB in the environment 2 (25m× 35m) when we subdivide NLoS into 4 regions up to 2 times reflections and 1 times diffraction respectively, and tend to increase when we subdivide further. For these result, it is optimal to subdivide NLoS into approximately 3 or 4 regions. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Statistical Model / Ray-tracing / Propagation Estimation / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 141, EMT2015-31, pp. 131-136, July 2015. | |
| Paper # | EMT2015-31 | |
| Date of Issue | 2015-07-09 (EMT, MW, OPE, EST, MWP) | |
| 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 | EMT2015-31 MW2015-69 OPE2015-43 EST2015-35 MWP2015-34 Link to ES Tech. Rep. Archives: EMT2015-31 MW2015-69 OPE2015-43 EST2015-35 MWP2015-34 |
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| Conference Information | |
| Committee | EMT MW OPE MWP EST IEE-EMT |
| Conference Date | 2015-07-16 - 2015-07-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kushiro City Lifelong Learning Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Light wave & Electromagnetic Wave Workshop |
| Paper Information | |
| Registration To | EMT |
| Conference Code | 2015-07-EMT-MW-OPE-MWP-EST-EMT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Classification Rule of NLoS Region in Indoor Propagation Estimation Combining Ray-Tracing with Statistical Models |
| Sub Title (in English) | |
| Keyword(1) | Statistical Model |
| Keyword(2) | Ray-tracing |
| Keyword(3) | Propagation Estimation |
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| 1st Author's Name | Takahiro Hashimoto |
| 1st Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric Corp.) |
| 2nd Author's Name | Yasuhiro Nishioka |
| 2nd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric Corp.) |
| 3rd Author's Name | Yoshio Inasawa |
| 3rd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric Corp.) |
| 4th Author's Name | Hiroaki Miyashita |
| 4th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric Corp.) |
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| Speaker | Author-1 |
| Date Time | 2015-07-16 16:50:00 |
| Presentation Time | 25 minutes |
| Registration for | EMT |
| Paper # | EMT2015-31, MW2015-69, OPE2015-43, EST2015-35, MWP2015-34 |
| Volume (vol) | vol.115 |
| Number (no) | no.141(EMT), no.142(MW), no.143(OPE), no.144(EST), no.145(MWP) |
| Page | pp.131-136 |
| #Pages | 6 |
| Date of Issue | 2015-07-09 (EMT, MW, OPE, EST, MWP) |
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