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Paper Abstract and Keywords
Presentation 2015-05-28 13:50
Prototype of IEEE 802.11af-based High Power Communication Devices and Field Experiment in London
Takeshi Matsumura, Kentaro Ishizu (NICT), Keiichi Mizutani (Kyoto Univ.), Homare Murakami, Fumihide Kojima (NICT), Hiroshi Harada (Kyoto Univ.) SR2015-3
Abstract (in Japanese) (See Japanese page) 
(in English) TV white-space (TVWS) communication systems have been globally researched and developed due to its wide frequency range and superior propagation characteristics. Also, an output power of EIRP +36 dBm is permitted as the maximum output power for fixed devices in some operational rules regulated in the U.S.A., the U.K., etc., and thus, the TVWS has been strongly expected for the long distance transmission systems. On the other hand, stern RF characteristics, e.g. adjacent channel power leakage, are required for the hardware prototypes not to interfere with primary users and there are still some challenges to enable high output power without interference. In this study, IEEE 802.11af-based hardware prototypes with a high output power of +30 dBm at the antenna port have been developed. RF characteristics of the prototypes comply with the operational rule regulated by the Ofcom. In addition, field experiment of long distance transmission system was performed in London urban area.
Keyword (in Japanese) (See Japanese page) 
(in English) TV white-spaces (TVWS) / Spectrum sharing / IEEE 802.11af / Prototype with high output power / Long distance transmission system / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 62, SR2015-3, pp. 13-18, May 2015.
Paper # SR2015-3 
Date of Issue 2015-05-21 (SR) 
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)
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Conference Information
Committee SR  
Conference Date 2015-05-28 - 2015-05-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Akashi-Sangyou-Koryu-Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Cognitive radio, Efficient spectrum utilization, Software defined radio, etc. 
Paper Information
Registration To SR 
Conference Code 2015-05-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Prototype of IEEE 802.11af-based High Power Communication Devices and Field Experiment in London 
Sub Title (in English)  
Keyword(1) TV white-spaces (TVWS)  
Keyword(2) Spectrum sharing  
Keyword(3) IEEE 802.11af  
Keyword(4) Prototype with high output power  
Keyword(5) Long distance transmission system  
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1st Author's Name Takeshi Matsumura  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Kentaro Ishizu  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Keiichi Mizutani  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Homare Murakami  
4th Author's Affiliation National Institute of Information and Communications Technology (NICT)
5th Author's Name Fumihide Kojima  
5th Author's Affiliation National Institute of Information and Communications Technology (NICT)
6th Author's Name Hiroshi Harada  
6th Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2015-05-28 13:50:00 
Presentation Time 25 minutes 
Registration for SR 
Paper # SR2015-3 
Volume (vol) vol.115 
Number (no) no.62 
Page pp.13-18 
#Pages 6 
Date of Issue 2015-05-21 (SR) 

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