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| Presentation | 2013-02-01 15:40 Experimental Performance Evaluation of a Collision Detection Algorithm for Wireless LAN Peng Shao, Akira Matsumoto, Ikumi Wada (NCOS), Peter Davis (Telecognix)  SIP2012-125 RCS2012-282 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | With the increase of wireless local area networks (WLAN) using the IEEE 802.11 protocol, the interference between WLAN devices has become a significant problem. Access control in IEEE 802.11 is based on Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA), in which packet transmission must wait until the Clear Channel Assessment (CCA) indicates that no other transmissions can be detected. However CSMA/CA cannot avoid interference completely because it is possible for different devices to initiate transmissions simultaneously after CCA, and because there may be interference from transmissions that are too weak to be detected by the CCA. Moreover, because the IEEE 802.11 has no function to distinguish the reason for transmission failure, appropriate counter-measures cannot be taken. In order to alleviate these problems, a method was proposed for collision detection by transmitting stations in wireless LAN. This method uses a time-domain signal processing algorithm to extract features of packets collisions from received power signals. In this paper, we report an experimental evaluation of the collision detection algorithm implemented in a prototype cognitive WLAN module. Depending on the experimental result, performance evaluation of the proposed algorithm is given. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wireless LAN / CSMA/CA / Collision Detection / Collision Rate / Cognitive Radio / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 424, RCS2012-282, pp. 259-264, Jan. 2013. | |
| Paper # | RCS2012-282 | |
| Date of Issue | 2013-01-24 (SIP, 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 | SIP2012-125 RCS2012-282 |
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| Conference Information | |
| Committee | SIP RCS |
| Conference Date | 2013-01-31 - 2013-02-01 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Viewport-Kure-Hotel (Kure) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2013-01-SIP-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental Performance Evaluation of a Collision Detection Algorithm for Wireless LAN |
| Sub Title (in English) | |
| Keyword(1) | Wireless LAN |
| Keyword(2) | CSMA/CA |
| Keyword(3) | Collision Detection |
| Keyword(4) | Collision Rate |
| Keyword(5) | Cognitive Radio |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Peng Shao |
| 1st Author's Affiliation | NEC Communication Systems, Ltd. (NCOS) |
| 2nd Author's Name | Akira Matsumoto |
| 2nd Author's Affiliation | NEC Communication Systems, Ltd. (NCOS) |
| 3rd Author's Name | Ikumi Wada |
| 3rd Author's Affiliation | NEC Communication Systems, Ltd. (NCOS) |
| 4th Author's Name | Peter Davis |
| 4th Author's Affiliation | Telecognix Corporation (Telecognix) |
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| Speaker | Author-1 |
| Date Time | 2013-02-01 15:40:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | SIP2012-125, RCS2012-282 |
| Volume (vol) | vol.112 |
| Number (no) | no.423(SIP), no.424(RCS) |
| Page | pp.259-264 |
| #Pages | 6 |
| Date of Issue | 2013-01-24 (SIP, RCS) |
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