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| Presentation | 2014-09-12 16:55 Experimental Evaluation of Terminal Performance Ensuring Method in Mobile Environment for IEEE802.11 WLAN Standard Toshiyuki Shintaku, Akira Kishida, Masashi Iwabuchi, Takeshi Onizawa, Tetsu Sakata (NTT)  CQ2014-70 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | With the rapid growth of the wireless LAN (WLAN) terminals complying with IEEE802.11 Standard like smartphones, a congested situation that many WLAN terminals are gathered arises. Hereafter, we refer to a congested situation with many WLAN STAs as a wireless dense environment. All STAs suffer from degradation in communication quality. This is because the number of collisions of frames increases in proportional to the number of STAs in Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) mechanism. Moreover, CSMA/CA is designed such that the transmission from any one station does not have priority over any other. If the terminal with IEEE802.11g STA and the STA that have low-speed transmission like IEEE802.11b are mixed, this design makes it difficult to optimize transmission period. In order to solve this problem, we have proposed a clustering method for WLAN terminals according to difference of standard, transmission speed, and the number of terminals. The proposed method suppresses collisions between terminals, improves the throughput performances in the situation described above. In this report, operation of the proposal system was imitated using AP (Access Point) of IEEE802.11b/g standard conformity, and property evaluation in actual environment was performed. Moreover, experimental evaluation in mobile terminal environment nearer to actual was performed, and the validity of the proposal system was checked. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | IEEE802.11 / Wireless LAN / CSMA/CA / QoS / NAV / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 209, CQ2014-70, pp. 177-182, Sept. 2014. | |
| Paper # | CQ2014-70 | |
| Date of Issue | 2014-09-04 (CQ) | |
| 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 | CQ2014-70 |
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| Conference Information | |
| Committee | MoNA CQ |
| Conference Date | 2014-09-11 - 2014-09-12 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | CQ |
| Conference Code | 2014-09-MoNA-CQ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental Evaluation of Terminal Performance Ensuring Method in Mobile Environment for IEEE802.11 WLAN Standard |
| Sub Title (in English) | |
| Keyword(1) | IEEE802.11 |
| Keyword(2) | Wireless LAN |
| Keyword(3) | CSMA/CA |
| Keyword(4) | QoS |
| Keyword(5) | NAV |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Toshiyuki Shintaku |
| 1st Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 2nd Author's Name | Akira Kishida |
| 2nd Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 3rd Author's Name | Masashi Iwabuchi |
| 3rd Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 4th Author's Name | Takeshi Onizawa |
| 4th Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 5th Author's Name | Tetsu Sakata |
| 5th Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
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| Speaker | Author-1 |
| Date Time | 2014-09-12 16:55:00 |
| Presentation Time | 20 minutes |
| Registration for | CQ |
| Paper # | CQ2014-70 |
| Volume (vol) | vol.114 |
| Number (no) | no.209 |
| Page | pp.177-182 |
| #Pages | 6 |
| Date of Issue | 2014-09-04 (CQ) |
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