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Paper Abstract and Keywords
Presentation 2012-01-19 11:40
Development and evaluation of multi-hop communication testbed using GNU Radio/USRP and ESPAR antenna
Akito Kimijima, Taichi Yamakawa, Yuichi Miyaji, Hideyuki Uehara, Takashi Ohira (Toyohashi Univ. of Tech.) AN2011-61
Abstract (in Japanese) (See Japanese page) 
(in English) We have developed a wireless multi-hop communications testbed for various protocols with directional communication by using the software radio platform called
GNU Radio/USRP2 (Universal Software Radio Peripheral) and ESPAR antenna as a variable directional antenna.
We have designed and made the 7-element ESPAR antenna for 5.1GHz and the varactor controller so as to control the ESPAR antenna on the GNU Radio.
We have implemented CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance) scheme as a MAC protocol.
By using the testbed, we have conducted experimental evaluation of throughput in single hop communication and multi-hop communication.
As a result, we have verified that the spatial utilization efficiency is improved by using directional beam.
Keyword (in Japanese) (See Japanese page) 
(in English) Directional communication / ESPAR antenna / GNU Radio / USRP / Multi-hop communication / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 385, AN2011-61, pp. 37-42, Jan. 2012.
Paper # AN2011-61 
Date of Issue 2012-01-12 (AN) 
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 AN2011-61

Conference Information
Committee MoNA AN USN  
Conference Date 2012-01-19 - 2012-01-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Todaya (Toba) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To AN 
Conference Code 2012-01-MoMuC-AN-USN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development and evaluation of multi-hop communication testbed using GNU Radio/USRP and ESPAR antenna 
Sub Title (in English)  
Keyword(1) Directional communication  
Keyword(2) ESPAR antenna  
Keyword(3) GNU Radio  
Keyword(4) USRP  
Keyword(5) Multi-hop communication  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Akito Kimijima  
1st Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
2nd Author's Name Taichi Yamakawa  
2nd Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
3rd Author's Name Yuichi Miyaji  
3rd Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
4th Author's Name Hideyuki Uehara  
4th Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
5th Author's Name Takashi Ohira  
5th Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
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Speaker Author-1 
Date Time 2012-01-19 11:40:00 
Presentation Time 25 minutes 
Registration for AN 
Paper # AN2011-61 
Volume (vol) vol.111 
Number (no) no.385 
Page pp.37-42 
#Pages 6 
Date of Issue 2012-01-12 (AN) 

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