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| Presentation | 2024-03-01 10:45 Weighted Harmonic Mean Method based on RTT Difference in TCP Flows for Wi-Fi AP Selection by User Cooperative Mobility Naoyuki Ito, Yohei Hasegawa (Nagoya Univ.), Hiroyasu Obata (Hiroshima City Univ.), Tutomu Murase (Nagoya Univ.)  IN2023-85 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We develop an access point (AP) selection method by User-Cooperative Mobility for TCP flows with different RTTs, which considers not only the link speed of Wi-Fi but also the RTT difference to obtain a throughput as close to the optimal as possible for the target user. Conventional AP selection methods that assume UDP flows are not effective when the bandwidth utilization of each flow varies with RTT. This is because TCP flows with shorter RTTs are more likely to occupy more bandwidth. Therefore, the proposed method provides effective AP selection with User-Cooperative Mobility for TCP flows. The method uses estimated throughput as a criterion to select the best AP by calculating from the weighted harmonic mean. The weight is set to be larger for flows with shorter RTT. To evaluate the proposed method, we conducted simulations with a simple model in which two users, the target user and another user, are connected to Aps in various distances. The results show that the proposed method improves throughput (accuracy) by up to 25-29% compared to UDP-like methods and random AP selection, indicating the effectiveness of the proposed method. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | IEEE802.11 / AP selection / User Cooperative Mobility / TCP / RTT fairness / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 123, no. 398, IN2023-85, pp. 118-123, Feb. 2024. | |
| Paper # | IN2023-85 | |
| Date of Issue | 2024-02-22 (IN) | |
| ISSN | 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 | IN2023-85 |
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| Conference Information | |
| Committee | NS IN |
| Conference Date | 2024-02-29 - 2024-03-01 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Convention Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Paper Information | |
| Registration To | IN |
| Conference Code | 2024-02-NS-IN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Weighted Harmonic Mean Method based on RTT Difference in TCP Flows for Wi-Fi AP Selection by User Cooperative Mobility |
| Sub Title (in English) | |
| Keyword(1) | IEEE802.11 |
| Keyword(2) | AP selection |
| Keyword(3) | User Cooperative Mobility |
| Keyword(4) | TCP |
| Keyword(5) | RTT fairness |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Naoyuki Ito |
| 1st Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 2nd Author's Name | Yohei Hasegawa |
| 2nd Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 3rd Author's Name | Hiroyasu Obata |
| 3rd Author's Affiliation | Hiroshima City University (Hiroshima City Univ.) |
| 4th Author's Name | Tutomu Murase |
| 4th Author's Affiliation | Nagoya University (Nagoya Univ.) |
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| Speaker | Author-4 |
| Date Time | 2024-03-01 10:45:00 |
| Presentation Time | 25 minutes |
| Registration for | IN |
| Paper # | IN2023-85 |
| Volume (vol) | vol.123 |
| Number (no) | no.398 |
| Page | pp.118-123 |
| #Pages | 6 |
| Date of Issue | 2024-02-22 (IN) |
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