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| Paper Abstract and Keywords | ||
| Presentation | 2013-05-16 14:55 Simulation Evaluation of GPS System under Multipath Environment Model Hiroyasu Ishikawa, Fumiya Ohba, Takuya Komatsu (Nihon Univ.)  SAT2013-2 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In the Global Positioning System(GPS), calculation of position determination is carried out by multiplying the velocity of light wave and a time difference between a GPS satellite and a receiver. In the urban environment where large and high buildings are surrounded around roads, multipath signals from satellites which include inevitable delays shall degrade the accuracy of the position determination because the measurement range (pseudo range) includes a distance error. Moreover, visibility of the satellite consternation is restricted in the urban area that condition produces large position error also. In this study, we introduce a fundamental simulation model which includes an influence of multipath environments in the GPS system and presents some simulation results. In the simulation model, virtual reception points are newly assumed for taking into account the multipath delayed signal from satellites. Simulation results show that the large position errors are occurred in spite of low HDOP conditions because the signals from invisible satellites are received as the multipath signals and are used for position calculation. The proposed fundamental evaluation model shall be enhanced in order to investigate the performance of multipath mitigation methods in the future. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | GPS / Multipath Environments / Positioning Accuracy / Satellite Constellation / Virtual Reception Point / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 32, SAT2013-2, pp. 7-12, May 2013. | |
| Paper # | SAT2013-2 | |
| Date of Issue | 2013-05-09 (SAT) | |
| 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 | SAT2013-2 |
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| Conference Information | |
| Committee | WBS SAT |
| Conference Date | 2013-05-16 - 2013-05-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Utsunomiya Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Coding, Modulation, Signal Processing, etc. |
| Paper Information | |
| Registration To | SAT |
| Conference Code | 2013-05-WBS-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Simulation Evaluation of GPS System under Multipath Environment Model |
| Sub Title (in English) | |
| Keyword(1) | GPS |
| Keyword(2) | Multipath Environments |
| Keyword(3) | Positioning Accuracy |
| Keyword(4) | Satellite Constellation |
| Keyword(5) | Virtual Reception Point |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hiroyasu Ishikawa |
| 1st Author's Affiliation | Nihon University (Nihon Univ.) |
| 2nd Author's Name | Fumiya Ohba |
| 2nd Author's Affiliation | Nihon University (Nihon Univ.) |
| 3rd Author's Name | Takuya Komatsu |
| 3rd Author's Affiliation | Nihon University (Nihon Univ.) |
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| Speaker | Author-1 |
| Date Time | 2013-05-16 14:55:00 |
| Presentation Time | 25 minutes |
| Registration for | SAT |
| Paper # | SAT2013-2 |
| Volume (vol) | vol.113 |
| Number (no) | no.32 |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2013-05-09 (SAT) |
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