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| Presentation | 2009-10-16 11:35 An access control scheme for passenger wireless communication systems considering the passing of an opposite train Masahiro Yamamoto, Takaya Yamazato, Masaaki Katayama (Nagoya Univ.)  RCS2009-125 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This manuscript discusses on a wireless cellular communication system for railroad passengers, in which base stations are placed along the railroad. In this system, all users or passengers are on trains. Thus there is high concentration in user distribution, and a group of the users on a train move to the same direction with the same speed. In such a system, when two opposite trains enter in the same cell before they pass each other, the number of users in the cell abruptly increases, and forced terminations of communication, i.e. call dropping, may occur due to the concentration of traffic. This paper proposes access control methods that mitigate the probability of the dropping, by limiting the number of channels allowed to use on each train dynamically or statically before the two trains enter the same cell. As a result, it is shown that the probability of the forced termination of an existing call can be decreased with the cost of increase in blocking probability. It is also confirmed that the dynamic access control method can inhibit increasing of the rejection of newly arrived calls compared to the static access control method when the control duration is enough large. In conclusion, the proposed methods provide lower dropping probability than the conventional (no-control) system, under the same blocking probability. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wireless LAN / Internet on Train / Cellular Network / Access Control / Channel Assignment / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 229, RCS2009-125, pp. 89-93, Oct. 2009. | |
| Paper # | RCS2009-125 | |
| Date of Issue | 2009-10-08 (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 | RCS2009-125 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2009-10-15 - 2009-10-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | ATR |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Signal Processing and Transceiver Technologies on High-speed Wireless Packet Communication, Wireless Communication Systems, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2009-10-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An access control scheme for passenger wireless communication systems considering the passing of an opposite train |
| Sub Title (in English) | |
| Keyword(1) | Wireless LAN |
| Keyword(2) | Internet on Train |
| Keyword(3) | Cellular Network |
| Keyword(4) | Access Control |
| Keyword(5) | Channel Assignment |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Masahiro Yamamoto |
| 1st Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 2nd Author's Name | Takaya Yamazato |
| 2nd Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 3rd Author's Name | Masaaki Katayama |
| 3rd Author's Affiliation | Nagoya University (Nagoya Univ.) |
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| Speaker | 1 |
| Date Time | 2009-10-16 11:35:00 |
| Presentation Time | 25 |
| Registration for | RCS |
| Paper # | IEICE-RCS2009-125 |
| Volume (vol) | IEICE-109 |
| Number (no) | no.229 |
| Page | pp.89-93 |
| #Pages | IEICE-5 |
| Date of Issue | IEICE-RCS-2009-10-08 |
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