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| Presentation | 2010-09-10 13:00 Improving Transmission Quality for IEEE 802.11e Wireless LAN Access Networks Oyunchimeg Shagdar, Kengo Sakai, Hiroyuki Yomo, Akio Hasegawa, Tetsuro Ueda, Ryu Miura, Sadao Obana (ATR)  MoMuC2010-34 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Wide spread of Wireless LAN enables users enjoy ubiquitous Internet access for not only the traditional best-effort type application but also real-time applications such as voice. To support real time applications in Wireless LAN, the IEEE 802.11e enhances the legacy 802.11 MAC protocol with service differentiation and it is now installed in off-the-shelf wireless LAN cards. However, because the channel access method of IEEE 802.11e, EDCA (Enhanced Distributed Channel Access), is based on the Distributed Coordination Function (DCF) of the legacy 802.11 MAC, it carries over the issues such as channel underutilization and uplink and downlink unfairness issues. In this paper, we target the latter issue, which is especially problematic for bidirectional applications, such as voice, and propose a scheme that mitigates the unfairness problem by enabling AP adaptively adjust TXOP. The proposed scheme is investigated by simulations and testbed experiments. Our simulation results show that the proposed scheme provides fair communication performance for uplink and downlink traffic. The experimental results show that the proposed scheme can be implemented in the current hardware and network stack and can provide a promising system performance. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wireless LAN / IEEE 802.11e / Unfairness Issue / TXOP / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, Sept. 2010. | |
| Paper # | ||
| Date of Issue | 2010-09-02 (MoMuC) | |
| 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 | MoMuC2010-34 |
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| Conference Information | |
| Committee | ITE-BCT ITE-CE MoNA CQ |
| Conference Date | 2010-09-09 - 2010-09-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | NHK Fukuoka Station |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile/Broadcasting convergence technology, system and application quality, Mobile contents, Mobile video streaming, P2P/Ad-hoc networks, General area |
| Paper Information | |
| Registration To | MoNA |
| Conference Code | 2010-09-BCT-CE-MoMuC-CQ |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Improving Transmission Quality for IEEE 802.11e Wireless LAN Access Networks |
| Sub Title (in English) | |
| Keyword(1) | Wireless LAN |
| Keyword(2) | IEEE 802.11e |
| Keyword(3) | Unfairness Issue |
| Keyword(4) | TXOP |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Oyunchimeg Shagdar |
| 1st Author's Affiliation | Advanced Telecommunications Research Institute International (ATR) |
| 2nd Author's Name | Kengo Sakai |
| 2nd Author's Affiliation | Advanced Telecommunications Research Institute International (ATR) |
| 3rd Author's Name | Hiroyuki Yomo |
| 3rd Author's Affiliation | Advanced Telecommunications Research Institute International (ATR) |
| 4th Author's Name | Akio Hasegawa |
| 4th Author's Affiliation | Advanced Telecommunications Research Institute International (ATR) |
| 5th Author's Name | Tetsuro Ueda |
| 5th Author's Affiliation | Advanced Telecommunications Research Institute International (ATR) |
| 6th Author's Name | Ryu Miura |
| 6th Author's Affiliation | Advanced Telecommunications Research Institute International (ATR) |
| 7th Author's Name | Sadao Obana |
| 7th Author's Affiliation | Advanced Telecommunications Research Institute International (ATR) |
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| Speaker | Author-1 |
| Date Time | 2010-09-10 13:00:00 |
| Presentation Time | 25 minutes |
| Registration for | MoNA |
| Paper # | MoMuC2010-34 |
| Volume (vol) | vol.110 |
| Number (no) | no.199 |
| Page | pp.65-69 |
| #Pages | 5 |
| Date of Issue | 2010-09-02 (MoMuC) |
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