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Paper Abstract and Keywords
Presentation 2022-08-05 15:20
Mobility Control considering Internal Interference for Ad Hoc Networks with Autonomous Mobile Robots
Kota Makino (Nagoya Univ.), Takeshi Hirai (Osaka Univ.), Tutomu Murase (Nagoya Univ.) IN2022-23
Abstract (in Japanese) (See Japanese page) 
(in English) We proposes a travel route control and relay control method that improves QoS (throughput) in a system where multiple autonomous mobile robots (AMRs) communicate with the network edge using a wireless LAN ad hoc network. Since bandwidth is shared among communication terminals of each AMR in an ad hoc network, as the number of relay hops increases, the transmission opportunities of each terminal decreases, and the throughput of the entire system decreases. To solve this problem, the proposed method controls the travel path of each AMR to its destination by considering the beamforming transmission radio wave direction of each terminal. As a result, interference between AMR terminals is reduced and simultaneous transmission of data from multiple AMRs becomes possible. With the proposed method, a 70% improvement in throughput was achieved compared to a routing control that did not take beamforming into account.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless LAN / Ad hoc network / throughput / AMR / IEEE802.11 / beamforming / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 146, IN2022-23, pp. 45-50, Aug. 2022.
Paper # IN2022-23 
Date of Issue 2022-07-28 (IN) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 IN2022-23

Conference Information
Committee IN CCS  
Conference Date 2022-08-04 - 2022-08-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido University(Centennial Hall) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Science, Future Network, Cloud/SDN/Virtualization, Contents Delivery/Contents Exchange, and others 
Paper Information
Registration To IN 
Conference Code 2022-08-IN-CCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Mobility Control considering Internal Interference for Ad Hoc Networks with Autonomous Mobile Robots 
Sub Title (in English)  
Keyword(1) Wireless LAN  
Keyword(2) Ad hoc network  
Keyword(3) throughput  
Keyword(4) AMR  
Keyword(5) IEEE802.11  
Keyword(6) beamforming  
1st Author's Name Kota Makino  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Takeshi Hirai  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Tutomu Murase  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2022-08-05 15:20:00 
Presentation Time 20 minutes 
Registration for IN 
Paper # IN2022-23 
Volume (vol) vol.122 
Number (no) no.146 
Page pp.45-50 
Date of Issue 2022-07-28 (IN) 

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