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Paper Abstract and Keywords
Presentation 2015-07-30 10:30
[Poster Presentation] Development of Channel Sounder Prototype for Distributed Wireless Networks
Tossaporn Srisooksai, Jun-ichi Takada (Tokyo Tech) RCC2015-31 NS2015-51 RCS2015-114 SR2015-32 ASN2015-41
Abstract (in Japanese) (See Japanese page) 
(in English) To implement cooperative algorithms in distributed wireless networks (DWNs) where the devices in the network are able to communicate each other independently, the correlation model of distributed channels are crucial.
Although, traditional channel sounders were utilized by existing works to measure and develop the correlation model for indoor distributed channels,
it is difficult to implement such a system in large scale of outdoor distributed measurement which requires the numerous transmitter and receiver nodes. Therefore, the well-suited channel sounder prototype for the outdoor DWNs is developed by adopting the standalone system
which combines the free GNU radio software and the open source USRP hardware. First, the time-grid of received signal acquisition is introduced and implemented in order to overcome the drawback of the limited data rate within USRP in this work. By this solution, the data rate can be successfully reduced to 1/8 without sacrificing the accuracy of the channel characteristics. Second, the suitable solution of
synchronization in large scale of outdoor distributed measurement is pointed out by investigating the properties of existing synchronizers in term of performance, operation, cost and size. Third, the protocol of communication among nodes for obtaining the possible correlation in the distributed channels is pointed out by considering the existing works of modeling the distributed channels versus the specification of the proposed channel sounder. Finally, the prototype of channel sounder is validated and evaluated in the laboratory environment.
Keyword (in Japanese) (See Japanese page) 
(in English) Distributed Wireless Network / Channel Sounder / Channel Modeling / GNU radio / USRP / FPGA / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 161, SR2015-32, pp. 95-102, July 2015.
Paper # SR2015-32 
Date of Issue 2015-07-22 (RCC, RCS, SR, ASN), 2015-07-23 (NS) 
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 RCC2015-31 NS2015-51 RCS2015-114 SR2015-32 ASN2015-41

Conference Information
Committee RCC ASN RCS NS SR  
Conference Date 2015-07-29 - 2015-07-31 
Place (in Japanese) (See Japanese page) 
Place (in English) JA Naganoken Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Distributed Network, M2M: Machine-to-Machine, D2D (Device-to-Device)，etc. 
Paper Information
Registration To SR 
Conference Code 2015-07-RCC-ASN-RCS-NS-SR 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of Channel Sounder Prototype for Distributed Wireless Networks 
Sub Title (in English)  
Keyword(1) Distributed Wireless Network  
Keyword(2) Channel Sounder  
Keyword(3) Channel Modeling  
Keyword(4) GNU radio  
Keyword(5) USRP  
Keyword(6) FPGA  
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Keyword(8)  
1st Author's Name Tossaporn Srisooksai  
1st Author's Affiliation Tokyo institute of technology (Tokyo Tech)
2nd Author's Name Jun-ichi Takada  
2nd Author's Affiliation Tokyo institute of technology (Tokyo Tech)
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Speaker Author-1 
Date Time 2015-07-30 10:30:00 
Presentation Time 90 minutes 
Registration for SR 
Paper # RCC2015-31, NS2015-51, RCS2015-114, SR2015-32, ASN2015-41 
Volume (vol) vol.115 
Number (no) no.158(RCC), no.159(NS), no.160(RCS), no.161(SR), no.162(ASN) 
Page pp.77-84(RCC), pp.81-88(NS), pp.79-86(RCS), pp.95-102(SR), pp.117-124(ASN) 
#Pages 8 
Date of Issue 2015-07-22 (RCC, RCS, SR, ASN), 2015-07-23 (NS) 

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