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| Presentation | 2008-10-24 14:00 Direction Estimation of Cellular BTS Bsaed Positioning Using Multi-Observations Jiyun Shen, Yasuhiro Oda (NTT DOCOMO)  RCS2008-124 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In base station (BTS) positioning, the location of a cellular phone is estimated using information received at the BTS. Conventional methods cannot estimate the direction of a mobile station (MS) with high accuracy when only one BTS can receive the MS signal. Therefore, the positioning accuracy deteriorates. In this paper, we propose a method that more accurately estimates the direction of a MS using antenna patterns and the average received power ratio of multiple observed sectors. The average received power ratio of the sectors is obtained not through direct measurement using the MS, but using a method that estimates the position based on observation results of the sector reception situation. This enables us to estimate the direction from simply obtained information. The evaluation results of the proposed method based on computer simulations of the direction accuracy and positioning accuracy are presented, and the effectiveness of the proposed method with respect to the improvement in the positioning accuracy is clarified. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | GPS Positioning / Base Station Positioning / RTT Positioning / Direction of Mobile Station / Average Received Signal Power Ratio / Antenna Pattern / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 249, RCS2008-124, pp. 129-134, Oct. 2008. | |
| Paper # | RCS2008-124 | |
| Date of Issue | 2008-10-15 (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 | RCS2008-124 |
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| Conference Information | |
| Committee | SR RCS USN AN |
| Conference Date | 2008-10-22 - 2008-10-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa industry support center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless discributed network special session and general session |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2008-10-SR-RCS-USN-AN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Direction Estimation of Cellular BTS Bsaed Positioning Using Multi-Observations |
| Sub Title (in English) | |
| Keyword(1) | GPS Positioning |
| Keyword(2) | Base Station Positioning |
| Keyword(3) | RTT Positioning |
| Keyword(4) | Direction of Mobile Station |
| Keyword(5) | Average Received Signal Power Ratio |
| Keyword(6) | Antenna Pattern |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Jiyun Shen |
| 1st Author's Affiliation | NTT DOCOMO, Inc. (NTT DOCOMO) |
| 2nd Author's Name | Yasuhiro Oda |
| 2nd Author's Affiliation | NTT DOCOMO, Inc. (NTT DOCOMO) |
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| Speaker | Author-1 |
| Date Time | 2008-10-24 14:00:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2008-124 |
| Volume (vol) | vol.108 |
| Number (no) | no.249 |
| Page | pp.129-134 |
| #Pages | 6 |
| Date of Issue | 2008-10-15 (RCS) |
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