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| Presentation | 2014-03-03 11:40 A Study of Impact of Shadowing Correlation on Interference-Aware Channel Segregation Based Dynamic Channel Assignment Using Beacon Signal Ren Sugai, Martin T. H. Sirait, Yuki Matsumura, Katsuhiro Temma, Fumiyuki Adachi (Tohoku Univ.)  RCS2013-321 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | By applying autonomous interference-aware channel segregation based dynamic channel assignment (IACS-DCA) algorithm which measures the co-channel interference (CCI) power received from surrounding stations (STAs) and assigns the channel, each access point (AP) can adaptively form a channel reuse pattern with minimum CCI to surrounding APs and STAs. Recently, we investigated the application of IACS-DCA into WLAN using time division duplex (TDD). In IACS-DCA, uplink CCI is supposed to be measured by APs. Incidentally, APs periodically transmit beacon signals in WLAN. IACS-DCA can be easily implemented in WLAN by measuring beacon signal power as CCI power. However, the uplink CCI power from STAs, which is supposed to be measured, and the beacon signal power received from surrounding APs are different because propagation loss and shadowing loss of them are not always equal. Therefore, the selected channel is not always the channel which minimizes CCI to surrounding APs and STAs. Since the propagation loss between the AP and other AP and the propagation loss between the AP and other STA are almost the same, the shadowing correlation has much effect on the channel reuse pattern formed by IACS-DCA. In this paper, we study the impact of shadowing correlation on IACS-DCA using beacon signal power received from surrounding APs. We show by computer simulation that IACS-DCA using beacon signal can achieve a good signal-to-interference-ratio (SIR) performance similar to IACS-DCA using the actual CCI measurement when shadowing correlation value ρ is more than 0.4. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Channel segregation / Dynamic channel assignment / Co-channel interference / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 456, RCS2013-321, pp. 91-96, March 2014. | |
| Paper # | RCS2013-321 | |
| Date of Issue | 2014-02-24 (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 | RCS2013-321 |
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| Conference Information | |
| Committee | RCS SR SRW |
| Conference Date | 2014-03-03 - 2014-03-05 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Waseda Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2014-03-RCS-SR-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study of Impact of Shadowing Correlation on Interference-Aware Channel Segregation Based Dynamic Channel Assignment Using Beacon Signal |
| Sub Title (in English) | |
| Keyword(1) | Channel segregation |
| Keyword(2) | Dynamic channel assignment |
| Keyword(3) | Co-channel interference |
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| 1st Author's Name | Ren Sugai |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Martin T. H. Sirait |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Yuki Matsumura |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 4th Author's Name | Katsuhiro Temma |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 5th Author's Name | Fumiyuki Adachi |
| 5th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2014-03-03 11:40:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2013-321 |
| Volume (vol) | vol.113 |
| Number (no) | no.456 |
| Page | pp.91-96 |
| #Pages | 6 |
| Date of Issue | 2014-02-24 (RCS) |
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